13 
RTLA 1149. Chum 
Material: 
Diagnosis: 
Submitter: 
salmon, Oncorhynchus keta 
A portion of the tail with a large growth 
Osteoma 
G. R. Bell 
RTLA 1150. Tropical red-eared turtle, Chrysemys ornata callirostris 
Material: One piece of tissue; 4 microscope slides; 1 black and 
white photograph 
Diagnosis: Multiple granulomas of spleen with amyloid deposits — 
etiology unknown 
Submitter: E. Elkan 
RTLA 1151. Lake trout, Salvelinus namaycush 
Material: Five pieces of liver tissue; 5 microscope slides 
Diagnosis: Hemangioendothelioma arising from blood vessels in 
the liver 
Submitter: C. E. Smith 
RTLA 1152. Rainbow trout, Salmo gairdneri 
Material: A growth severed into 2 pieces 
Diagnosis: Nephroblastoma 
Submitter: J. G. Hnath 
RTLA 1153. Crucian carp, Carassius carassius 
Material: Fixed tissue; 1 microscope slide; 2 color transparencies 
Diagnosis: Nephroblastoma metastatic to pancreas 
Submitter: D. Bucke 
RTLA 1154. Common bream, Abramis brama 
Material: Two pieces of tissue; 2 microscope slides 
Diagnosis: Lymphosarcoma 
Submitter: D. Bucke 
RTLA 1155. Roach, Rutilus rutilus 
Material: Four microscope slides; 2 paraffin blocks; 2 color 
transparencies 
Diagnosis: Probable thyroid adenocarcinoma 
Submitter: D. Bucke 
RTLA 1156. Tench, Tinea tinea 
Material: Two microscope slides; 2 black and white photographs 
Diagnosis: Well-differentiated rhabdomyosarcoma 
Submitter: D. Bucke 
RTLA 1157. Roach, Rutilus rutilus 
Material: Two microscope slides; 1 paraffin block; 1 color 
transparency 
Diagnosis: Probable thyroid adenocarcinoma 
Submitter: D. Bucke 
RTLA 1158. Rainbow trout, Salmo gairdneri 
Material: Two microscope slides 
Diagnosis: Hepatoma 
Submitter: D. Bucke 
