ScholarWorks@성균관대학교

초록

A red-crowned crane (Grus japonensis) from Seoul Zoo died with mild anorexia and sudden respiratory distress. A white globoid mass in the abdominal cavity and multifocal nodules in the kidneys were identified on the necropsy. Histologic examination showed anaplastic, solid patterned neoplastic cells in the kidneys and the mass. Immunohistochemistry for pancytokeratin and PAX8 was positive, while heterogeneous antigen expression was present in poorly differentiated neoplastic cells. Overall, the neoplastic changes in the kidneys and the mass were consistent with a renal origin. This case highlights the possibility of further discoveries of metastatic renal cell carcinomas in cranes.

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