Case summary A 7-year-old female neutered domestic shorthair cat was presented with weight loss, abdominal distension, lethargy, pyrexia and hyporexia. Haematology and biochemistry were unremarkable. Abdominal ultrasound revealed a cystic mass within the left cranial abdominal quadrant, adjacent to the pancreas, stomach and spleen. CT revealed a 10.5 cm, rounded, well-encapsulated, hypodense mass arising from the left pancreatic lobe. The remaining organs of the abdominal and thoracic cavity were unremarkable. A partial left lobe pancreatectomy and splenic lymph node removal were performed. Histopathology of the pancreatic mass reported a proliferating population of neoplastic spindle cells most consistent with a preliminary diagnosis of soft tissue sarcoma. Immunohistochemistry characteristics, together with the morphological findings, were consistent with a diagnosis of leiomyosarcoma. The patient recovered without any concerns after receiving routine postoperative care. Clinical examination and abdominal ultrasound 5 months postoperatively revealed no abnormalities. Relevance and novel information To our knowledge, this is the first report of pancreatic leiomyosarcoma in a cat. Pancreatic leiomyosarcoma should be considered as one of the possible differential diagnoses for cats presenting with a pancreatic mass.
A 6‐year‐old, male, boxer breed dog presented with a 1‐month history of severe, gradually progressive right thoracic limb lameness without history of trauma. Previous medication included oclacitinib for management of atopic skin disease. The dog was diagnosed with humeral intracondylar fissure (HIF) on computed tomography. Therefore, HIF should be considered as a differential diagnosis for thoracic limb lameness in this breed. Surgical stabilisation of HIF with a 4.5 mm titanium transcondylar screw placed from medial to lateral resulted in resolution of visible lameness.
A 6‐year‐old outdoor cat presenting with a progressive 5‐month duration right thoracic limb lameness was diagnosed with an articular fracture of the distal caudomedial part of the right humeral condyle. Surgical repair was performed via the modified Wendelburg caudomedial approach to the elbow using a positional screw to reduce the fragment and applying a temporary transarticular external skeletal fixator. Three weeks after surgery, the transarticular external fixator was removed and 6 weeks after surgery, a CT scan was performed revealing satisfactory bone healing. Eight months after the surgery, the cat had no lameness and a normal level of exercise.
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