A one-year-old male neuter dog initially presented with clinical signs of pharyngitis and suspected oesophageal reflux. The dog subsequently developed unilateral (left side) Horner’s syndrome. CT examination of the head and neck revealed a large mixed bone and soft tissue density lesion filling the majority of the left tympanic bulla and extending into the jugular foramen. Marked atrophy of the left sternocephalicus and brachiocephalicus muscles was present. Following recovery from anaesthesia, the dog suffered regurgitation and aspiration, resulting in respiratory and cardiac arrest. Given the imaging findings and grave prognosis, the dog’s owners elected euthanasia. Autopsy examination revealed a tympanic bulla osteoma. The combination of cranial nerve IX, X and XI dysfunction, associated with disease of the jugular foramen, supports a diagnosis of Vernet’s syndrome in this patient.
SummaryAn 11‐month‐old Arabian filly was presented for chronic diarrhoea, ill‐thrift and intermittent colic. Abdominal ultrasonography revealed multifocal regions of marked colonic wall thickening. Exploratory laparotomy confirmed multifocal, multi‐sized nodular and segmental intramural mass‐like lesions affecting the right ventral and transverse colon, respectively. Locally extensive regions of mural thickening in the aborad transverse colon resulted in severe luminal restriction (<2.5 cm) and subsequent obstruction of the orad transverse and right dorsal colons with impacted feed material. The lesions were unresectable and full‐thickness biopsy samples were submitted for histopathological evaluation. The filly was subsequently diagnosed with transmural intestinal ganglioneuromatosis of the right ventral and transverse colons. The filly was successfully conservatively managed over a 24‐month follow‐up duration. Management consisted of long‐term dietary modifications in the form of a low‐bulk diet, as well as enteral laxatives and a tapering course of corticosteroids postoperatively. This is the first case of intestinal ganglioneuromatosis in veterinary literature that was (1) diagnosed in a juvenile horse, (2) successfully medically managed and (3) followed up for more than 12 months.
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