Malignant rhabdoid tumour in the orbit of a horse.
J Comp Pathol
; 121(2): 197-201, 1999 Aug.
Article
in En
| MEDLINE
| ID: mdl-10405312
A malignant rhabdoid tumour was diagnosed in the orbit of a 2-year-old Thoroughbred filly. The neoplasm, which was very aggressive, was present in nearly every part of the ocular and periocular structures and had spread to the lymph nodes of the head and neck, the salivary glands and the subcutaneous tissues around the eye. The neoplasm was composed of polygonal cells with abundant eosinophilic cytoplasm. Many cells had a large, vesiculate, indented nucleus and contained a paranuclear globular inclusion. Ultrastructurally, the inclusions were seen to consist of whorls of intermediate filaments. The neoplastic cells were immunoreactive to vimentin and cytokeratin antisera, but were negative for desmin and actin.
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Collection:
01-internacional
Database:
MEDLINE
Main subject:
Orbital Neoplasms
/
Rhabdoid Tumor
/
Horse Diseases
Limits:
Animals
Language:
En
Journal:
J Comp Pathol
Year:
1999
Document type:
Article
Affiliation country:
United States
Country of publication:
United kingdom