Hepatoblastoma in a dog

A hepatoblastoma was found in a 13-year-old female Maltese dog. Histologically, the tumor showed a wide trabecular pattern and was frequently accompanied with vascular lake formation. Tumor cells were positive for cytokeratin and neuron specific enolase, but negative for chromogranin. Electronmicros...

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Veröffentlicht in:Journal of Veterinary Medical Science 1997, Vol.59(12), pp.1167-1170
Hauptverfasser: Shiga, A. (Azabu Univ., Sagamihara, Kanagawa (Japan). Faculty of Veterinary Medicine), Shirota, K, Shida, T, Yamada, T, Nomura, Y
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container_issue 12
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container_title Journal of Veterinary Medical Science
container_volume 59
creator Shiga, A. (Azabu Univ., Sagamihara, Kanagawa (Japan). Faculty of Veterinary Medicine)
Shirota, K
Shida, T
Yamada, T
Nomura, Y
description A hepatoblastoma was found in a 13-year-old female Maltese dog. Histologically, the tumor showed a wide trabecular pattern and was frequently accompanied with vascular lake formation. Tumor cells were positive for cytokeratin and neuron specific enolase, but negative for chromogranin. Electronmicroscopically, tumor cells were accompanied with continuous basement membrane and had poorly developed desmosomes. Sinusoidal endothelia had fenestration and were surrounded by myofibroblast-like cells. To the best of our knowledge, this paper is the first report of morphological studies on canine hepatoblastoma.
doi_str_mv 10.1292/jvms.59.1167
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subjects ANALISIS HISTOCITOLOGICO
ANALYSE HISTOCYTOLOGIQUE
Animals
canine
Cell Membrane - ultrastructure
CHIEN
Dog Diseases - metabolism
Dog Diseases - pathology
DOGS
Female
FOIE
hepatoblastoma
Hepatoblastoma - chemistry
Hepatoblastoma - pathology
Hepatoblastoma - veterinary
HIGADO
HISTOCYTOLOGICAL ANALYSIS
Immunohistochemistry - methods
IMMUNOLOGICAL TECHNIQUES
Keratins - analysis
Keratins - metabolism
LIVER
Liver - chemistry
Liver - pathology
Liver Neoplasms - chemistry
Liver Neoplasms - pathology
Liver Neoplasms - veterinary
MICROSCOPIA
MICROSCOPIE
MICROSCOPY
Microscopy, Electron - veterinary
NEOPLASMAS
NEOPLASME
NEOPLASMS
PERRO
Phosphopyruvate Hydratase - analysis
Phosphopyruvate Hydratase - metabolism
TECHNIQUE IMMUNOLOGIQUE
TECNICAS INMUNOLOGICAS
VACUOLA
VACUOLE
VACUOLES
title Hepatoblastoma in a dog
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