16 
RTIA 
996. Tiger 
Material; 
Diagnosis: 
Submitter: 
salamander, Ambystoma tigrinum 
One gross specimen with 4 skin lesions 
1 - Subdermal serous cyst; 2 - hyperplastic stratum papillosum 
of dermis; 3 intradermal fibroma; 4 - intraderma 1 melanophoroma 
F, L. Rose 
RTIA 
997, Tiger 
Material: 
Diagnosis ; 
Submitter: 
salamander, Ambystoma tigrinum 
One gross specimen with a skin lesion 
Probable epidermal papilloma 
F. Lo Rose 
RTIA 
998. Tiger 
Material t 
Diagnosis i 
Submitter i 
salamander, Ambystoma tigrinum 
One gross specimen with cyst-like growth 
Subdermal serous cyst 
Fo L. Rose 
RTIA 999. Tiger 
Material; 
Diagnosis: 
Submitter: 
salamander, Ambystoma tigrinum 
One gross specimen with a skin lesion 
Dermal myxosarcoma 
F, L. Rose 
RTIA 1000. Sea bream, Sparus auratus 
Material; One microscope slide; 1 black and white photograph 
Diagnosis: Oral papillomatosis involving odontogenic epithelium and 
associated with marked proliferation of odontoblastic tissue 
Submitter: !<, Paperna 
RTIA 1001. Smallmouth bass, Micropterus dolomieui 
Material: One microscope slide; 2 color transparencies 
Diagnosis: Scarring probably due to an infection or to a physical or 
chemical injury 
Submitter: H, Rothenbacher 
RTIA 1002o Chinook salmon, Oncorhynchus tshawytscha 
Material: An anal fin and surrounding musculature bearing a growth 
Diagnosis; Mesenchymal neoplasm; cell type indeterminable due to poorly 
preserved tissue 
Submitter: P. M, Hine 
RTIA 1003. Rainbow trout, Salmo gairdneri 
Material: One microscope slide; 1 paraffin block; 14 color transparencies 
Diagnosis: Nephroblastoma 
Submitter: H, Wolf 
RTIA 1004. Clam, 
Material: 
Diagnosis: 
Submitter; 
Reprint: 
Macoma balthica 
Two microscope slides 
Highly invasive carcinoma of gill epithelium 
F o G . Ke m 
Christensen, Darryl J., C. Austin Farley, and Frederick G. Kern. 
Epizootic Neoplasms in the Clam Macoma balthica (L.) From 
Chesapeake Bay. J. Natl. Cancer Inst., ^(6): 1739-1749. 1974. 
