色素沉着的Onychomatroma表现为条纹状多膜性:一例病例报告和文献复习。

IF 1.4 Q3 DERMATOLOGY Skin Appendage Disorders Pub Date : 2023-10-01 Epub Date: 2023-06-21 DOI:10.1159/000529820
Chander Grover, Vishal Gaurav, Sonal Sharma, Surabhi Sinha
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引用次数: 0

摘要

引言:甲癣是一种来源于指甲基质和甲真皮层的纤维上皮肿瘤。已经描述了许多临床和组织学变异。色素性甲基质瘤是一种罕见的变异,表现为纵向厚甲。病例介绍:我们报告了一名41岁女性的详细情况,她在过去10年中出现了超过一半的左中指指甲变黑和增厚。甲片背面甲片显示纵向平行的白色、灰色和黑色条纹,而远端自由边缘甲片显示甲片增厚,有“木虫”腔。切除肿瘤的组织病理学检查显示有色素性甲母细胞瘤。结论:除甲基质瘤和甲细胞癌外,甲细胞瘤是表现为条纹状厚甲的指甲肿瘤之一。色素性甲基质瘤可能与真菌性黑指甲炎、色素性甲乳头瘤、色素性蹄鲍恩病和蹄黑色素瘤非常相似。尽管诊断确认需要切除活组织检查,但非侵入性技术,如甲镜检查以及超声和磁共振成像等成像研究,有助于将其与色素性蹄鲍恩病和蹄黑色素瘤区分开来。
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Pigmented Onychomatricoma Presenting as Pachymelanonychia Striata: A Case Report and Review of Literature.

Introduction: Onychomatricoma is a fibroepithelial tumor derived from the nail matrix and onychodermis. Many clinical and histological variants have been described. Pigmented onychomatricoma is a rare variant which presents as longitudinal pachymelanonychia.

Case presentation: We report the details of a 41-year-old female who presented with blackening and thickening involving more than half of the left middle fingernail for the past 10 years. Dorsal plate onychoscopy revealed longitudinal parallel white, gray, and black bands, while onychoscopy of the distal free edge demonstrated a thickened nail plate with "wood worm" cavities. The histopathological examination of the excised tumor revealed a pigmented onychomatricoma.

Conclusions: Onychomatricoma is one of the nail tumors presenting as pachyonychia striata apart from onychocytic matricoma and onychocytic carcinoma. A pigmented onychomatricoma may closely mimic fungal melanonychia, pigmented onychopapilloma, pigmented ungual Bowen's disease, and ungual melanoma. Noninvasive techniques like onychoscopy and imaging studies like ultrasonography and magnetic resonance imaging are helpful in differentiating it from pigmented ungual Bowen's disease and ungual melanoma, even though diagnostic confirmation requires an excisional biopsy.

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来源期刊
CiteScore
2.00
自引率
10.00%
发文量
69
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