Gastric mucinous adenocarcinoma with cutaneous metastases in a dog: diagnosis by fine-needle aspiration cytology

A 12‐year‐old, intact, male mixed‐breed dog was presented with anorexia, vomiting and multiple cutaneous nodules on its neck, trunk and hindlimbs. Fine‐needle aspiration cytology of the nodules was characterised by a pleomorphic population of cells arranged singly or in small cohesive clusters, embe...

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Bibliographic Details
Published in:Journal of small animal practice 2005-09, Vol.46 (9), p.449-453
Main Authors: Dell'Orco, M, Bertazzolo, W, Vergine, M, Ferla, M, Pozzo, S, Rondena, M, Roccabianca, P
Format: Article
Language:English
Subjects:
adenocarcinoma
Adenocarcinoma, Mucinous - diagnosis
Adenocarcinoma, Mucinous - pathology
Adenocarcinoma, Mucinous - veterinary
Animals
anorexia
aspirators
Biopsy, Fine-Needle - methods
Biopsy, Fine-Needle - veterinary
case studies
cytoplasmic granules
digestive system diseases
disease diagnosis
dog diseases
Dog Diseases - diagnosis
Dog Diseases - pathology
Dogs
Fatal Outcome
gastric mucinous adenocarcinoma
gastric mucosa
histopathology
Male
metastasis
skin diseases
Skin Neoplasms - secondary
Skin Neoplasms - veterinary
Stomach Neoplasms - diagnosis
Stomach Neoplasms - pathology
Stomach Neoplasms - veterinary
vomiting
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Summary:A 12‐year‐old, intact, male mixed‐breed dog was presented with anorexia, vomiting and multiple cutaneous nodules on its neck, trunk and hindlimbs. Fine‐needle aspiration cytology of the nodules was characterised by a pleomorphic population of cells arranged singly or in small cohesive clusters, embedded in an amorphous mucinous material stained positive by periodic acid‐Schiff (PAS). Acinar structures were occasionally found. Cells appeared either small with scant basophilic cytoplasm or large with a histiocytic appearance. Large cells had cytoplasm filled with a PAS‐positive granular material. A presumptive diagnosis of cutaneous metastases of a mucinous adenocarcinoma was made. A primary, gastric, signet‐ring mucinous adenocarcinoma was confirmed postmortem examination and by histopathology. To the authors' knowledge, this is the first report of a gastric mucinous adenocarcinoma with cutaneous disseminated metastases in a dog.
ISSN:0022-4510
1748-5827
DOI:10.1111/j.1748-5827.2005.tb00345.x