Peer-reviewed veterinary case report
Dog with rare cancerous nerve tumor in the cecum
By Ahn, Hyerin et al.·Published in The Journal of veterinary medical science·2022·College of Veterinary Medicine, South Korea·View original on PubMed →
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Original publication title: A rare case of cecal malignant peripheral nerve sheath tumor in a dog.
- Species:
- dog
Plain-English summary
A 12-year-old mixed-breed dog was brought to the vet with a swollen belly that had been getting worse over two months. After several tests, including X-rays and ultrasounds, the vet found a large mass in the dog's cecum (part of the intestine). The mass was surgically removed and was found to be a rare type of cancer called a malignant peripheral nerve sheath tumor (MPNST). This is the first known case of this type of tumor occurring in the dog's intestine. The dog underwent surgery, but the outcome of the treatment isn't specified.
People also search for: dog abdominal swelling · cecal tumor in dogs · malignant peripheral nerve sheath tumor in dogs
Abstract
A 12-year-old mixed-breed dog presented with a 2-month history of abdominal distension. Radiographic examination, abdominal ultrasonography, and computed tomography revealed a mass in the cecum (15.0 × 11.9 × 4.5 cm). The cecal mass was surgically removed and examined histopathologically. Immunohistochemically, the neoplastic cells expressed S-100 and neuron specific enolase but not α-smooth muscle actin and CD117 (c-kit). These histologic and immunohistochemical features indicated that the mass was consistent with a malignant peripheral nerve sheath tumor (MPNST). In dogs, most MPNSTs arise from the brachial plexus, spinal nerve root, and skin of the extremities. However, gastrointestinal MPNSTs in dogs have not been described previously. To the best of our knowledge, this is the first report to describe cecal MPNST in a dog.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/35732442/