Splenic Hematoma

Splenic hematoma is a condition in dogs characterized by a localized collection of blood within or around the spleen, forming a blood-filled mass. This condition falls under the broader category of splenic masses and is considered a benign lesion, distinguishing it from malignant tumors such as hemangiosarcoma that can also affect the spleen. Splenic hematomas are relatively common findings in middle-aged to older dogs and can range from small, clinically insignificant masses to large, potentially life-threatening lesions that may rupture and cause internal bleeding. Understanding this condition is essential for dog owners, as splenic masses often present with vague symptoms that can easily be overlooked until the condition becomes critical.

The development of a splenic hematoma typically occurs when blood accumulates within the splenic tissue or beneath the splenic capsule following trauma, vascular abnormalities, or spontaneous bleeding events. The spleen is a highly vascular organ that filters blood and plays important roles in immune function and red blood cell storage. Due to its rich blood supply and relatively fragile structure, the spleen is susceptible to injury and bleeding. When blood collects and becomes encapsulated, a hematoma forms, which may remain stable or continue to grow over time depending on the underlying cause and the dog's overall health status.

Splenic hematomas can significantly impact a dog's health depending on their size and whether they remain intact or rupture. Small hematomas may cause no noticeable symptoms and are sometimes discovered incidentally during routine examinations or imaging studies performed for other reasons. However, larger hematomas can cause abdominal distension, discomfort, and compression of surrounding organs. The most serious concern is rupture of the hematoma, which can lead to acute internal hemorrhage, cardiovascular collapse, and potentially death if not treated immediately. Dogs with ruptured splenic masses may present with sudden weakness, pale gums, rapid heart rate, and collapse.

The good news is that splenic hematomas are treatable conditions, particularly when diagnosed before rupture occurs. Surgical removal of the spleen, known as splenectomy, is the definitive treatment and is generally well-tolerated by dogs. Unlike malignant splenic tumors, benign hematomas carry an excellent prognosis following surgery, with most dogs returning to normal life expectancy and quality of life. Early detection through regular veterinary checkups and prompt attention to any signs of abdominal discomfort or unexplained weakness can make a significant difference in outcomes. Veterinary evaluation is essential for any dog suspected of having a splenic mass, as distinguishing between benign hematomas and malignant tumors requires professional assessment and often surgical exploration.

The primary causes of splenic hematoma in dogs are varied and may include traumatic injury, underlying vascular abnormalities, or spontaneous bleeding events within the splenic tissue. Blunt abdominal trauma, such as being hit by a car, falling from a height, or experiencing rough play that impacts the abdomen, can cause direct injury to the spleen resulting in hemorrhage and hematoma formation. The spleen's location in the left cranial abdomen and its soft, blood-rich structure make it particularly vulnerable to traumatic injury. In many cases, however, splenic hematomas develop without any identifiable traumatic event, suggesting that other underlying factors contribute to their formation.

While splenic hematomas themselves are not hereditary conditions, certain factors may predispose individual dogs to developing splenic abnormalities. Some dogs may have congenital vascular malformations or weakened blood vessel walls that increase their susceptibility to spontaneous bleeding within the spleen. Age-related changes in the splenic vasculature can also contribute to hematoma formation, as blood vessels may become more fragile over time. Although no specific genetic mutations have been definitively linked to splenic hematoma development, the higher prevalence in certain breeds suggests that inherited factors may play a role in overall splenic health and vascular integrity.

Environmental and lifestyle factors can influence the risk of splenic hematoma development in dogs. Active dogs that engage in vigorous exercise, rough play, or activities with higher risk of abdominal impact may be more likely to experience traumatic splenic injury. Dogs that participate in sports, working activities, or live in environments with hazards such as traffic or other animals may have increased exposure to potential abdominal trauma. Additionally, dogs that have previously experienced abdominal injury may have scarring or structural changes that affect splenic integrity over time.

Several risk factors increase a dog's likelihood of developing splenic hematoma. Age is a significant factor, with middle-aged to senior dogs showing higher prevalence of splenic masses including hematomas. Larger breed dogs appear to be affected more commonly than smaller breeds, possibly due to the larger size of their spleens and greater exposure to certain types of physical activities. Dogs with bleeding disorders or those receiving anticoagulant medications may have increased risk of hemorrhage within the spleen. Pre-existing splenic conditions, including nodular hyperplasia or other benign growths, may also predispose the spleen to bleeding and hematoma formation.

The mechanism by which splenic hematomas develop involves the accumulation and organization of blood within or around the splenic tissue. When bleeding occurs, whether from trauma or spontaneous vessel rupture, blood collects and becomes encapsulated by fibrous tissue as part of the body's healing response. Over time, this encapsulated blood may undergo various changes including liquefaction, organization, and partial reabsorption. The hematoma may remain stable at a certain size, continue to grow if bleeding persists, or eventually resolve if the bleeding stops and the body reabsorbs the collected blood. The specific behavior of a splenic hematoma depends on factors including its size, location within the spleen, the integrity of the splenic capsule, and the dog's coagulation status.

Early warning signs of splenic hematoma in dogs are often subtle and may go unnoticed by owners for extended periods. In the initial stages, dogs may show only mild changes in energy level or slight decreases in appetite that are easily attributed to other causes. Some dogs may display intermittent episodes of restlessness or seem uncomfortable when lying in certain positions, which can be mistaken for simple stiffness or joint discomfort. Abdominal sensitivity may develop gradually, with dogs showing subtle reluctance to be touched or picked up around the midsection. These early signs are frequently missed because they are nonspecific and may wax and wane over time, making them difficult to connect to an underlying splenic problem.

Common symptoms of splenic hematoma typically become more apparent as the mass grows in size. Dogs may develop visible abdominal distension or bloating, particularly on the left side where the spleen is located. Weight loss may occur despite maintained appetite, or appetite may decrease as the enlarging mass creates abdominal discomfort. Lethargy and decreased interest in normal activities such as walks, play, or interaction with family members become more noticeable. Some dogs experience intermittent episodes of weakness that resolve spontaneously, which may indicate small bleeding events from the hematoma that the body is temporarily able to compensate for before more serious hemorrhage occurs.

Behavioral changes associated with splenic hematoma often reflect the dog's discomfort and declining physical condition. Affected dogs may become less active and spend more time resting or sleeping. They may show reluctance to climb stairs, jump onto furniture, or engage in activities that require abdominal muscle engagement. Changes in posture, such as a hunched back or reluctance to stretch fully, may indicate abdominal pain. Some dogs become more clingy or seek comfort from their owners, while others may become withdrawn or irritable when approached. Changes in eating behavior, including eating more slowly, leaving food unfinished, or refusing favorite treats, may also occur.

Physical signs of splenic hematoma that owners may observe include visible abdominal enlargement, particularly asymmetric swelling on the left side of the abdomen. The dog's gums and inner eyelids may appear paler than normal if chronic blood loss has caused anemia. Increased respiratory rate or effort may be noticed as the enlarging mass puts pressure on the diaphragm or if anemia reduces oxygen-carrying capacity. In some cases, owners may be able to feel an abnormal mass in the abdomen, though this depends on the dog's body condition and the size and location of the hematoma. Weight changes, either loss from illness or gain from fluid accumulation, may also be visible.

Symptom progression in splenic hematoma cases typically follows a pattern of gradually worsening signs punctuated by acute episodes if bleeding occurs. Chronic symptoms may develop slowly over weeks to months as the hematoma enlarges. Episodes of acute weakness, pale gums, and rapid breathing may occur if the hematoma bleeds internally, with recovery following as the body stabilizes the bleeding. These acute episodes often become more frequent and severe over time as the hematoma grows and becomes more fragile. Without treatment, the overall trend is toward declining health with increasing episodes of crisis.

Emergency symptoms requiring immediate veterinary care include sudden collapse, extreme weakness, inability to stand or walk, very pale or white gums, rapid or labored breathing, distended and tense abdomen, and signs of shock such as cold extremities and weak pulse. These signs indicate that the splenic hematoma has ruptured and the dog is experiencing acute internal hemorrhage. This is a life-threatening emergency that requires immediate veterinary intervention, often including emergency surgery. Dogs showing these signs should be transported to a veterinary facility immediately, as delays in treatment significantly reduce survival chances. Any dog that has experienced collapse or severe weakness, even if they appear to recover, should be evaluated urgently as further bleeding episodes are likely.

The initial veterinary examination for a dog suspected of having a splenic hematoma begins with a thorough physical assessment and history taking. The veterinarian will ask about the onset and progression of symptoms, any known traumatic events, changes in appetite or behavior, and episodes of weakness or collapse. Physical examination includes assessment of vital signs including heart rate, respiratory rate, and temperature, as well as evaluation of mucous membrane color to check for signs of anemia. Careful abdominal palpation is performed to detect any masses, assess abdominal pain or tenderness, and evaluate for the presence of fluid in the abdomen. The veterinarian will also assess the dog's overall body condition and look for any other abnormalities that might contribute to the clinical picture.

Diagnostic testing for splenic hematoma typically includes both blood work and imaging studies. A complete blood count reveals information about red blood cell numbers and can identify anemia resulting from blood loss. The blood smear may show changes consistent with regenerative anemia if the bone marrow is responding to blood loss. A chemistry panel evaluates organ function and overall metabolic status. Coagulation testing may be performed to rule out bleeding disorders. Abdominal radiographs often reveal an enlarged spleen or splenic mass and may show evidence of fluid in the abdomen if bleeding has occurred. Abdominal ultrasound is particularly valuable for evaluating splenic masses, as it can characterize the size, location, and appearance of the lesion and detect free fluid in the abdomen.

Differential diagnosis for splenic masses is critical because treatment and prognosis vary dramatically depending on whether the mass is benign or malignant. Hemangiosarcoma, a highly aggressive malignant tumor, is the most important condition to differentiate from benign hematoma. Unfortunately, both conditions can appear similar on imaging and even during surgical exploration. Other splenic masses that must be considered include nodular hyperplasia, other benign tumors, lymphoma, and various other neoplastic conditions. The veterinarian considers the overall clinical picture, imaging characteristics, and the dog's history when forming a differential list, but definitive distinction between benign and malignant masses often requires histopathological examination of removed tissue.

Definitive diagnosis of splenic hematoma is typically made following surgical removal of the spleen and histopathological examination of the tissue. While imaging studies can suggest the presence of a hematoma, they cannot definitively rule out malignancy. Fine needle aspirate of splenic masses is sometimes performed but has limitations in differentiating hematoma from hemangiosarcoma due to the bloody nature of samples from both lesion types. Therefore, many veterinarians recommend proceeding to surgery when a splenic mass is identified, both for diagnostic and therapeutic purposes. The pathology report provides the definitive diagnosis and guides discussions about prognosis and any need for further treatment. Results are typically available within several days to two weeks following surgery, during which time the dog can begin recovery from the splenectomy procedure.

Emergency treatment for dogs presenting with ruptured splenic hematoma focuses on stabilization and preparation for surgery. Intravenous fluid therapy is initiated immediately to support blood pressure and tissue perfusion in dogs showing signs of shock from blood loss. Blood transfusions may be necessary for severely anemic dogs or those that continue to bleed actively. Pain management is provided to keep the dog comfortable while emergency preparations are made. Oxygen supplementation may be given to dogs with compromised respiratory function. The goal of emergency stabilization is to get the dog into a condition where anesthesia and surgery can be safely performed, as surgical removal of the bleeding spleen is the only definitive treatment for this life-threatening situation.

Medical management alone is not curative for splenic hematoma, but supportive care plays an important role in patient stabilization and recovery. Anti-nausea medications may be administered to dogs experiencing gastrointestinal upset. Gastroprotectant medications protect the stomach lining during periods of stress and reduced appetite. Iron supplementation or other supportive therapies may be considered for anemic dogs, though blood transfusion is more immediately effective for significant blood loss. Pain medications are provided as needed to maintain comfort. It is important to understand that while medical management can temporarily stabilize a patient, surgical intervention remains necessary for definitive treatment of splenic hematoma.

Surgical treatment of splenic hematoma involves splenectomy, or complete removal of the spleen. This procedure is performed under general anesthesia and involves careful dissection to isolate and ligate the blood vessels supplying the spleen before removing the organ. The surgeon examines the abdominal cavity for evidence of spread if malignancy is suspected and may take additional biopsies if indicated. The removed spleen is submitted for histopathological examination to confirm the diagnosis. Splenectomy is generally well-tolerated in dogs, as the spleen's functions can be compensated for by other organs. Most dogs recover well from surgery and experience immediate improvement as the source of bleeding is removed.

Supportive care during recovery from splenectomy includes careful monitoring, pain management, and gradual return to normal activities. Dogs typically remain hospitalized for one to several days following surgery depending on their condition at presentation and response to treatment. Pain is managed with appropriate analgesic medications. The incision site is monitored for signs of infection or complications. Appetite usually returns within a day or two of surgery, and a bland, easily digestible diet may be offered initially. Activity restriction is important during the healing period to allow the abdominal incision to heal properly and reduce the risk of complications.

Alternative and complementary treatments may be considered as part of a comprehensive care plan for dogs recovering from splenic hematoma treatment. Physical rehabilitation can help dogs regain strength and mobility after surgery. Nutritional support, including high-quality diet and potentially supplements to support blood production, may aid recovery from anemia. Acupuncture has been used by some veterinary practitioners to support overall wellbeing and appetite during recovery. Herbal supplements should only be used under veterinary guidance, as some may affect blood clotting or interact with other medications. These complementary approaches should be viewed as additions to, not replacements for, conventional veterinary treatment.

Treatment decisions for splenic hematoma take into account several factors including the dog's overall health status, the urgency of the situation, and the owner's resources and goals. Emergency surgery may be necessary for dogs with ruptured hematomas, leaving little time for deliberation. For dogs with stable masses discovered incidentally, there may be more time to discuss options and plan elective surgery. Cost considerations are relevant, as emergency surgery and intensive care can be expensive. The dog's age and presence of other health conditions influence discussions about treatment intensity and expected outcomes. Quality of life and the owner's ability to provide post-operative care are also important factors in developing an appropriate treatment plan.

The recovery timeline following splenectomy for splenic hematoma varies depending on the dog's condition at the time of surgery and any complications encountered. Dogs that underwent emergency surgery for ruptured hematomas typically have a longer recovery period than those that had elective surgery for stable masses. In general, most dogs begin eating and moving around within one to two days of surgery. The initial two weeks are the most critical period for incision healing and require strict activity restriction. Most dogs show significant improvement in energy and overall wellbeing within the first week as they recover from anemia and the effects of their splenic mass. Full recovery, including complete healing and return to normal activity levels, typically takes four to six weeks.

Post-treatment care following splenectomy involves several key elements to ensure successful healing. The surgical incision must be kept clean and dry, and most dogs will need to wear an Elizabethan collar or surgical suit to prevent licking at the incision. Activity restriction is essential during the first two to three weeks to prevent damage to the healing incision and reduce the risk of complications such as seroma formation or dehiscence. Short, controlled leash walks for bathroom purposes are typically permitted, but running, jumping, rough play, and stairs should be avoided. Medications are administered as prescribed, which may include pain relievers, antibiotics, and gastroprotectants. Follow-up veterinary appointments are scheduled to monitor healing and remove skin sutures or staples if non-absorbable materials were used.

Prognosis for dogs with splenic hematoma is generally excellent once the histopathology confirms a benign diagnosis. Unlike malignant hemangiosarcoma, which carries a poor prognosis even with treatment, benign hematomas are essentially cured by splenectomy. Dogs with confirmed benign splenic hematoma have survival times similar to the general dog population of their age and breed. Factors that may affect prognosis include the severity of bleeding prior to surgery, the dog's overall health status, the presence of any concurrent diseases, and the development of any surgical complications. Dogs that were critically ill at presentation may have a more guarded immediate prognosis but still have excellent long-term outcomes if they survive the perioperative period.

The long-term outlook for dogs following splenectomy for benign splenic hematoma is very positive. Dogs can live normal, active lives without their spleens, as other organs compensate for the lost splenic functions. There is some evidence that splenectomized dogs may have slightly increased susceptibility to certain blood-borne infections, so prompt attention to any signs of illness is advisable. Regular veterinary checkups help monitor overall health and detect any issues early. Most owners report that their dogs return to their previous energy levels and quality of life within a few weeks of surgery, with many owners noting improvement as dogs are no longer affected by the symptoms their splenic mass was causing.

Primary prevention of splenic hematoma focuses on reducing risk factors that may contribute to splenic injury or abnormalities, although complete prevention is not always possible given that many cases occur without identifiable cause. Protecting dogs from traumatic injuries by maintaining secure fencing, using leashes in hazardous areas, and supervising interactions with other animals can reduce the risk of blunt abdominal trauma that might injure the spleen. Teaching dogs safe play habits and avoiding overly rough activities may also help protect abdominal organs. Creating a safe home environment free from hazards that could cause falls or impacts is another practical preventive measure. While these steps cannot guarantee prevention, they reduce exposure to known risk factors.

Since splenic hematomas are not hereditary conditions, breeding-related prevention strategies are less applicable than for genetically transmitted diseases. However, responsible breeding practices that prioritize overall health and longevity may indirectly benefit splenic health. Breeders should be aware that certain breeds appear more prone to splenic masses in general and should monitor dogs for signs of splenic disease. Health screening of breeding stock for various conditions helps ensure overall vitality and may reduce the prevalence of factors that contribute to organ vulnerabilities. Prospective puppy buyers should choose reputable breeders who prioritize health testing and maintain transparent health records for their breeding dogs.

Nutritional considerations for splenic health include maintaining a balanced, high-quality diet appropriate for the dog's life stage and activity level. Obesity may increase strain on abdominal organs and should be avoided through appropriate portion control and regular exercise. Some veterinarians recommend diets rich in antioxidants and omega-3 fatty acids for their general health benefits, though specific dietary interventions to prevent splenic hematoma have not been established. Adequate hydration supports overall circulatory health. Avoiding sudden dietary changes and maintaining consistent nutrition helps support stable metabolism and organ function. Supplements should only be added under veterinary guidance to avoid potential interactions or adverse effects.

Regular health maintenance is one of the most important factors in managing splenic hematoma risk and ensuring early detection if problems do develop. Annual or bi-annual veterinary examinations allow for regular abdominal palpation and assessment that may detect splenic abnormalities early. Senior dogs, typically those over seven years of age, benefit from more frequent checkups and may be candidates for periodic abdominal ultrasound screening. Keeping up with routine bloodwork helps establish baseline values and may detect anemia or other abnormalities that warrant further investigation. Maintaining accurate health records allows tracking of any changes over time and facilitates early intervention if needed.

Early intervention when potential problems are identified can significantly improve outcomes for dogs that develop splenic masses. Owners who notice any of the warning signs associated with splenic disease, such as lethargy, decreased appetite, abdominal distension, or episodes of weakness, should seek veterinary evaluation promptly rather than waiting to see if symptoms resolve. When splenic masses are identified incidentally during examinations or imaging for other conditions, discussing options with the veterinarian and considering elective surgery before complications occur is often advisable. Being proactive about evaluation and treatment of splenic masses gives dogs the best chance of successful outcomes and avoids the risks associated with emergency presentation following rupture.

Daily management of a dog recovering from or living with splenic concerns requires attention to activity levels, monitoring for symptoms, and maintaining overall health. During the immediate post-surgical period, strict activity restriction is essential to allow proper healing. As the dog recovers, activity can be gradually increased under veterinary guidance. For dogs being monitored conservatively for stable splenic masses, avoiding high-impact activities and rough play helps reduce the risk of traumatic rupture. Establishing a consistent routine for feeding, medication administration, and rest periods helps dogs feel secure and makes it easier to notice any changes in behavior or condition. Keeping a log of the dog's energy levels, appetite, and any unusual symptoms helps track trends over time.

Home environment modifications support the comfort and safety of dogs with splenic concerns. Providing comfortable, easily accessible bedding in a quiet area gives dogs a place to rest undisturbed. Using ramps or steps to help dogs access furniture or vehicles reduces jumping and abdominal strain. Keeping floors clear of obstacles reduces the risk of trips or falls. Food and water bowls should be easily accessible without requiring the dog to stretch or strain. For dogs recovering from surgery, creating a confined recovery space prevents excessive movement during the critical healing period. Baby gates or exercise pens can help limit access to stairs or other areas where the dog might overexert.

Maintaining quality of life for dogs with splenic disease involves balancing necessary restrictions with opportunities for enjoyment and mental stimulation. Even during recovery periods, dogs benefit from gentle interaction, grooming, and mental enrichment that does not require physical exertion. Puzzle feeders, gentle training sessions, and calm companionship help prevent boredom and depression during activity restriction. As dogs recover and return to normal activity, finding appropriate outlets for exercise and play that match their current capabilities helps maintain physical and emotional wellbeing. The goal is to allow dogs to enjoy life while respecting any ongoing limitations or monitoring needs.

Ongoing monitoring for dogs with a history of splenic disease or those with remaining splenic concerns involves regular assessment for signs of problems. Owners should periodically check their dog's gum color, which should be pink and healthy rather than pale or white. Watching for signs of abdominal discomfort, changes in appetite, lethargy, or episodes of weakness allows early detection of potential complications. Regular gentle palpation of the abdomen, if tolerated by the dog, may help owners notice changes in size or shape. Any concerns should be reported to the veterinarian promptly. Follow-up appointments as recommended by the veterinary team allow professional reassessment and catch any developing issues early.

Caregiver support is an important component of managing life with a dog that has splenic disease. The stress of caring for an ill pet, particularly during emergencies or recovery periods, can be significant. Connecting with other pet owners who have faced similar situations through online support groups or local pet communities provides emotional support and practical advice. Understanding the financial aspects of treatment and recovery helps reduce stress around healthcare decisions. Taking breaks and practicing self-care allows owners to maintain their own wellbeing while providing excellent care for their pets. Communicating openly with the veterinary team about concerns, limitations, and goals ensures that treatment plans are realistic and sustainable. Remember that seeking help and support is a sign of being a caring and responsible pet owner.

Certain breeds appear to have higher prevalence of splenic masses, including both benign hematomas and malignant tumors, though splenic hematoma can occur in any dog regardless of breed. German Shepherds are frequently cited as having elevated risk for splenic disease in general. Golden Retrievers and Labrador Retrievers also appear in studies as breeds commonly affected by splenic masses. Large and giant breeds including Great Danes, Boxers, and Standard Poodles may have increased risk compared to smaller breeds. The reasons for breed predispositions are not fully understood but may involve factors such as spleen size, vascular characteristics, and potentially genetic factors affecting splenic structure or function. It is important to note that breed predisposition refers to statistical trends and does not mean that all dogs of these breeds will develop splenic problems.

Moderate risk for splenic masses extends to other medium to large breed dogs and mixed breeds with heritage from predisposed breeds. Rottweilers, Bernese Mountain Dogs, and various working breeds have been noted in some studies. Mixed breed dogs are also commonly affected, particularly those that are medium to large in size. Age is a significant factor across all breeds, with middle-aged to senior dogs (typically over 8 years of age) showing higher prevalence of splenic masses than younger dogs. The interplay between breed, size, and age creates a complex risk profile that veterinarians consider when evaluating individual patients.

Screening recommendations for breeds at increased risk of splenic disease include regular veterinary examinations with abdominal palpation, particularly for dogs over six to eight years of age. Some veterinarians recommend periodic abdominal ultrasound examinations for high-risk breeds as part of senior wellness protocols, as this imaging modality can detect splenic masses before they become clinically apparent. Baseline bloodwork including complete blood count helps establish normal values for comparison if problems develop later. Breed clubs for predisposed breeds may have specific health screening recommendations that include attention to splenic health. Owners of at-risk breeds should discuss appropriate screening schedules with their veterinarians and be particularly vigilant about monitoring for signs of splenic disease as their dogs age.

Hemangiosarcoma is the most important condition commonly associated with splenic masses and must be differentiated from benign hematoma. This aggressive malignant tumor of blood vessel cells frequently affects the spleen and can appear similar to hematoma on imaging and even during surgery. Unfortunately, hemangiosarcoma carries a much poorer prognosis than benign hematoma, with most dogs surviving only a few months even with treatment. The two conditions share similar clinical presentations, breed predispositions, and age demographics, making differentiation challenging without histopathological examination. This overlap is why definitive diagnosis of splenic masses requires tissue examination following surgical removal, and why the period between surgery and pathology results can be anxious for owners awaiting confirmation of benign versus malignant disease.

Several other conditions may present with similar symptoms to splenic hematoma or affect the same patient population. Nodular hyperplasia, a benign proliferation of splenic tissue, is another common splenic mass in older dogs that may coexist with hematoma. Splenic torsion, though less common, causes acute abdominal pain and shock similarly to ruptured hematoma. Other abdominal tumors or masses may cause similar symptoms of abdominal distension, discomfort, and potential hemorrhage. Immune-mediated hemolytic anemia can cause splenomegaly and may be considered in dogs presenting with anemia and splenic enlargement. Coagulation disorders may predispose to splenic hemorrhage and should be ruled out in appropriate cases.

Potential complications of splenic hematoma and its treatment include acute hemorrhage from rupture, which is the most serious immediate complication. Chronic blood loss leading to anemia may occur with slow bleeding from the hematoma. Post-splenectomy complications can include infection at the surgical site, internal adhesion formation, and rarely, overwhelming post-splenectomy infection. Dogs that have had their spleens removed may have subtle changes in immune function and blood filtering capacity, though most adapt well. Secondary complications from severe anemia or shock at presentation, such as organ damage from poor perfusion, may affect recovery in some patients. Understanding these potential complications helps owners recognize warning signs and seek appropriate veterinary care when needed.