Melanoma maligno anaplásico em um eqüino / Anaplastic malignant melanoma in a horse
Ciênc. rural
;
38(7): 2072-2075, out. 2008. ilus
Article
in Portuguese
| LILACS
| ID: lil-495129
RESUMO
Descreve-se um caso de melanoma maligno anaplásico em uma égua Crioula, tordilha, com 10 anos de idade, com histórico clínico de apatia, perda de peso progressiva, febre, anorexia e dispnéia. Múltiplas massas pigmentadas e não-pigmentadas, bem delimitadas ou infiltrativas, foram observadas no tecido subcutâneo e em vários órgãos. Histologicamente o neoplasma era composto de populações de células fusiformes, redondas ou poliédricas e, menos freqüentemente, de células multinucleadas e "células em anel de sinete". O diagnóstico foi realizado com base nos achados clinicopatológicos e confirmado pela microscopia eletrônica de transmissão.
ABSTRACT
A case of anaplastic malignant melanoma in a 10-year-old gray mare is described. Clinical signs included depression, progressive weight loss, fever, anorexia, and dyspnea. Multiple circumscribed or infiltrative, pigmented, and non-pigmented tumors were observed in subcutaneous tissue and in several organs. Histological examination revealed a marked variation in neoplastic cell population, which was composed by spindle, round, polyhedrical, and less frequently, multinucleated or signet ring cells. The diagnostic was based up on clinical and pathological findings, and confirmed by transmission electronic microscopy.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Horse Diseases
/
Horses
/
Melanoma
Limits:
Animals
Language:
Portuguese
Journal:
Ciênc. rural
Journal subject:
Science
/
Environmental Health
Year:
2008
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Universidade Federal de Santa Maria/BR
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