Malignant Pilomatricoma in a Young Dog

Malignant pilomatricoma is malignant follicular tumor with only matrical differentiation. Malignant pilomatricoma is rare in dogs. There is little information about sex, breed and age predisposition. There are a few reports of canine malignant pilomatricoma in middle to old age dogs. However, this n...

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Autores principales:	Lee Eun-Joo, Ah-Young Kim, Eun-Mi Lee, Jin-Kyu Park, Kyu-Shik Jeong
Formato:	article
Lenguaje:	EN
Publicado:	Sciendo 2016
Materias:	malignant pilomatricoma mitotic atypia mitotic index young dog Veterinary medicine SF600-1100
Acceso en línea:	https://doaj.org/article/1830611dbf514ee2ba1889b7983c459d
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spelling	oai:doaj.org-article:1830611dbf514ee2ba1889b7983c459d2021-11-17T21:27:51ZMalignant Pilomatricoma in a Young Dog1820-744810.1515/acve-2016-0048https://doaj.org/article/1830611dbf514ee2ba1889b7983c459d2016-12-01T00:00:00Zhttps://doi.org/10.1515/acve-2016-0048https://doaj.org/toc/1820-7448Malignant pilomatricoma is malignant follicular tumor with only matrical differentiation. Malignant pilomatricoma is rare in dogs. There is little information about sex, breed and age predisposition. There are a few reports of canine malignant pilomatricoma in middle to old age dogs. However, this neoplasm was resected from 1-year-old intact male miniature poodle. The neoplasm was found in the dorsal part of the neck. The mass was firm and protruded. On gross findings the size of the mass was 3×2×1.5cm. The mass was located in the deep dermis and subcutaneous layer. The mass was composed of several lobules of grey-white chalky material. Microscopically, the mass was composed of several large and small lobules. There were basophilic round to oval basaloid cells at the periphery of the lobules. The basophilic cells showed abrupt keratinization. Numerous ghost cells were observed in the center of the mass. The ghost cells had abundant eosinophilic cytoplasm without a nucleus. The basophilic basaloid cells showed numerous atypical mitotic figures. Cellularity was high and pleomorphism was remarkable. No lymphatic metastasis was observed. We reported a rare case of malignant pilomatricoma in a 1-year-old young dog.Lee Eun-JooAh-Young KimEun-Mi LeeJin-Kyu ParkKyu-Shik JeongSciendoarticlemalignant pilomatricomamitotic atypiamitotic indexyoung dogVeterinary medicineSF600-1100ENActa Veterinaria, Vol 66, Iss 4, Pp 556-561 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	malignant pilomatricoma mitotic atypia mitotic index young dog Veterinary medicine SF600-1100
spellingShingle	malignant pilomatricoma mitotic atypia mitotic index young dog Veterinary medicine SF600-1100 Lee Eun-Joo Ah-Young Kim Eun-Mi Lee Jin-Kyu Park Kyu-Shik Jeong Malignant Pilomatricoma in a Young Dog
description	Malignant pilomatricoma is malignant follicular tumor with only matrical differentiation. Malignant pilomatricoma is rare in dogs. There is little information about sex, breed and age predisposition. There are a few reports of canine malignant pilomatricoma in middle to old age dogs. However, this neoplasm was resected from 1-year-old intact male miniature poodle. The neoplasm was found in the dorsal part of the neck. The mass was firm and protruded. On gross findings the size of the mass was 3×2×1.5cm. The mass was located in the deep dermis and subcutaneous layer. The mass was composed of several lobules of grey-white chalky material. Microscopically, the mass was composed of several large and small lobules. There were basophilic round to oval basaloid cells at the periphery of the lobules. The basophilic cells showed abrupt keratinization. Numerous ghost cells were observed in the center of the mass. The ghost cells had abundant eosinophilic cytoplasm without a nucleus. The basophilic basaloid cells showed numerous atypical mitotic figures. Cellularity was high and pleomorphism was remarkable. No lymphatic metastasis was observed. We reported a rare case of malignant pilomatricoma in a 1-year-old young dog.
format	article
author	Lee Eun-Joo Ah-Young Kim Eun-Mi Lee Jin-Kyu Park Kyu-Shik Jeong
author_facet	Lee Eun-Joo Ah-Young Kim Eun-Mi Lee Jin-Kyu Park Kyu-Shik Jeong
author_sort	Lee Eun-Joo
title	Malignant Pilomatricoma in a Young Dog
title_short	Malignant Pilomatricoma in a Young Dog
title_full	Malignant Pilomatricoma in a Young Dog
title_fullStr	Malignant Pilomatricoma in a Young Dog
title_full_unstemmed	Malignant Pilomatricoma in a Young Dog
title_sort	malignant pilomatricoma in a young dog
publisher	Sciendo
publishDate	2016
url	https://doaj.org/article/1830611dbf514ee2ba1889b7983c459d
work_keys_str_mv	AT leeeunjoo malignantpilomatricomainayoungdog AT ahyoungkim malignantpilomatricomainayoungdog AT eunmilee malignantpilomatricomainayoungdog AT jinkyupark malignantpilomatricomainayoungdog AT kyushikjeong malignantpilomatricomainayoungdog
_version_	1718425337392529408

Malignant Pilomatricoma in a Young Dog

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