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INDEX OF NEOPLASTIC AND HYPERPLASTIC LESIONS - ANIMAL GROUP - 
AND RTLA NUMBER 
Adenoma (thyroid): Bony fish - RTLA 2281 
Adenomatous hyperplasia of epithalamus: Reptile - RTLA 2248 
Adenomatous polyp (gastric): Bony fish - RTLA 2370 
Amebic X-cell pseudotumor: Bony fish - RTLA 2290 
Carcinoid tumor: Reptile - RTLA 2335 
Chemodectoma: Reptile - RTLA 2317 
Cholangiocarcinoma: Bony fish - RTLA 2280 
Ectopic versus metastatic thyroid: Bony fish - RTLA 2271, 2328 
Epidermal hyperplasia: Bony fish - RTLA 2261, 2263 
Fibroma/fibrosarcoma: Reptile - RTLA 2347; Bony fish - RTLA 2302, 2333 
Goiter: Bony fish - RTLA 2271 
Granulosa cell tumor: Bony fish - RTLA 2371 
Hemangioma/hemangloendothelioma/hemangioendothelial sarcoma: Bony fish - 
RTLA 2239, 2247, 2315 
Hematopoietic neoplasms: 
Granulocytic leukemia - Amphibian - RTLA 2318 
Lymphoma/lymphosarcoma - Reptile - 2240, 2316; Amphibian - 
RTLA 2325; Bony fish - 2251, 2258, 2276 
Hepatocellular carcinoma: Bony fish - RTLA 2252-2254, 2257, 2271, 2278, 
2282, 2284, 2319, 2348 
Hepatocyte or cholangiocyte cystic hyperplasia: Bony fish - RTLA 2348 
Hepatopancreatocarcinoma: Bony fish - RTLA 2255 
Hypernephroma: Reptile - RTLA 2334 
Leiomyoblastoma/leiomyoma: Reptile - RTLA 2264; Bony fish - RTLA 2257, 
2301 
Lepidocytoma: Bony fish - RTLA 2260 
