A case of fibrous papule of the nose with abundant hair follicular structures

Kazuyo Kita, Shiori Kato, Makiko Kido-Nakahara, Takeshi Nakahara, Yoichi Moroi, Hiromaro Kiryu, Masutaka Furue

研究成果: ジャーナルへの寄稿記事

抄録

A 68-year-old male presented with a 10-year history of a pedunculated nodule on his nose. Dermoscopy showed a white hair and a brownish pseudopigmented network-like structure. A histopathological analysis of the lesion revealed a proliferation of collagen fibers and dilatation and proliferation of capillaries associated with occasional satellite cells, which were immunohistochemically positive for factor XIIIa and CD34, and negative for S-100 protein. Based upon these findings, a diagnosis of fibrous papule of the nose was suggested. However, there were areas of aggregation of mature and immature hair follicles with surrounding clefts dividing fibrofollicular units from one another in superficial parts of the upper dermis. We therefore diagnosed this case as a fibrous papule of the nose with abundant hair follicular structures. Our case would support the theory that fibrous papule of the nose probably represents a proliferative reactive process of a follicular unit affected by some external stimuli.

元の言語英語
ページ(範囲)465-468
ページ数4
ジャーナルNishinihon Journal of Dermatology
76
発行部数5
DOI
出版物ステータス出版済み - 1 1 2014

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Nose
Factor XIIIa
Dermoscopy
Hair Follicle
S100 Proteins
Dermis
Dilatation
Collagen

All Science Journal Classification (ASJC) codes

  • Dermatology

これを引用

A case of fibrous papule of the nose with abundant hair follicular structures. / Kita, Kazuyo; Kato, Shiori; Kido-Nakahara, Makiko; Nakahara, Takeshi; Moroi, Yoichi; Kiryu, Hiromaro; Furue, Masutaka.

:: Nishinihon Journal of Dermatology, 巻 76, 番号 5, 01.01.2014, p. 465-468.

研究成果: ジャーナルへの寄稿記事

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abstract = "A 68-year-old male presented with a 10-year history of a pedunculated nodule on his nose. Dermoscopy showed a white hair and a brownish pseudopigmented network-like structure. A histopathological analysis of the lesion revealed a proliferation of collagen fibers and dilatation and proliferation of capillaries associated with occasional satellite cells, which were immunohistochemically positive for factor XIIIa and CD34, and negative for S-100 protein. Based upon these findings, a diagnosis of fibrous papule of the nose was suggested. However, there were areas of aggregation of mature and immature hair follicles with surrounding clefts dividing fibrofollicular units from one another in superficial parts of the upper dermis. We therefore diagnosed this case as a fibrous papule of the nose with abundant hair follicular structures. Our case would support the theory that fibrous papule of the nose probably represents a proliferative reactive process of a follicular unit affected by some external stimuli.",
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AU - Kato, Shiori

AU - Kido-Nakahara, Makiko

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AU - Moroi, Yoichi

AU - Kiryu, Hiromaro

AU - Furue, Masutaka

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