Carcinoid tumor of gallbladder in a dog
10.14405/kjvr.2020.60.2.101
- Author:
Sang-Ho WOO
1
;
Du-Min GO
;
Doosung CHEON
;
Jae-Hoon KIM
;
Gabchol CHOI
;
Ye-In OH
;
Dae-Yong KIM
Author Information
1. Department of Veterinary Pathology and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
- Publication Type:CASE REPORT
- From:Korean Journal of Veterinary Research
2020;60(2):101-104
- CountryRepublic of Korea
-
Abstract:
A 7-year-old female mixed-breed dog was presented to a veterinary clinic for pyometra. During abdominal ultrasonography, an abnormal finding was noted in the gallbladder. A cholecystectomy was performed. Grossly, the gallbladder wall was thickened with a polypoid nodular projection into the lumen. Microscopically, the polyp consisted of a solid sheet of round to polygonal-shaped cells that formed small packets with fibrovascular septa. The neoplastic cells contained abundant cytoplasmic eosinophilic granules. Immunohistochemically, the neoplastic cells were positive to chromogranin A and neuron-specific enolase, whereas they were negative to vimentin and cytokeratin. This case was diagnosed as a primary gallbladder carcinoid tumor.
