Squamous cell carcinoma with hepatic metastasis in a saltwater crocodile (Crocodylus porosus)

Background Squamous cell carcinomas (SCC) are uncommon in reptiles and there have been few reports of neoplasia in Australian crocodiles, despite increased numbers being raised in captivity. Case report We report a locally invasive SCC in the hindlimb of a wild‐caught saltwater crocodile (Crocodylus...

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Bibliographic Details
Published in:Australian veterinary journal 2016-03, Vol.94 (3), p.83-86
Main Authors: Hill, AG, Dennis, MM, Pyne, M
Format: Article
Language:English
Subjects:
Alligators and Crocodiles
Animals
Animals, Wild
Carcinoma, Squamous Cell - pathology
Carcinoma, Squamous Cell - secondary
Carcinoma, Squamous Cell - surgery
Carcinoma, Squamous Cell - veterinary
Crocodiles
Euthanasia, Animal
Fatal Outcome
Hindlimb
Liver Neoplasms - secondary
Liver Neoplasms - veterinary
Metastasis
neoplasia
Prognosis
Queensland
reptiles
Seawater
Skin Neoplasms - pathology
Skin Neoplasms - surgery
Skin Neoplasms - veterinary
squamous cell carcinoma
Toes
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Summary:Background Squamous cell carcinomas (SCC) are uncommon in reptiles and there have been few reports of neoplasia in Australian crocodiles, despite increased numbers being raised in captivity. Case report We report a locally invasive SCC in the hindlimb of a wild‐caught saltwater crocodile (Crocodylus porosus) with hepatic metastasis. The gross appearance was soft tissue swelling adjacent to the nail bed, progressing to abscessation incorporating multiple toes. Diagnosis was achieved by biopsy during amputation of the affected toes. Hepatic metastasis was identified at necropsy, with a similar gross appearance resembling an abscess. Clinical significance Neoplasia is an uncommon finding in crocodilians and metastatic neoplasia is rarely documented. This is the first report of SCC in a crocodilian.
ISSN:0005-0423
1751-0813
DOI:10.1111/avj.12404