Periungual fibroma - 甲周纤维瘤
甲周纤维瘤 (Periungual fibroma) 属于血管纤维瘤的亚型，常见于指（趾）甲的内部或下方。它是一种良性病变，但有时会变大并引起疼痛。
relevance score : -100.0%
References一位86岁的妇女来诊时，左脚第三趾出现一个缓慢生长、无痛的肿块，大小约为1.0×0.5×0.5厘米。该肿块经手术切除。显微镜检查显示，真皮肿瘤呈绳状或螺旋状，由梭形细胞组成，无异常增生或有丝分裂。该病被称为甲周纤维瘤，是结缔组织的良性增生。
An 86-year-old woman presented with a slowly growing, painless, smoothsurfaced mass on the left third toe, measuring ca. 1.0 × 0.5 × 0.5 cm). The mass was surgically resected. Histological examination revealed a storiform dermal tumor (i.e., one with a rope-like or whorled configuration) consisting of spindle cells without atypia or mitoses. This a periungual fibroma, a benign mesenchymal tumor
An 86-year-old woman presented with a slowly growing, painless, smoothsurfaced mass on the left third toe, measuring ca. 1.0 × 0.5 × 0.5 cm). The mass was surgically resected. Histological examination revealed a storiform dermal tumor (i.e., one with a rope-like or whorled configuration) consisting of spindle cells without atypia or mitoses. This a periungual fibroma, a benign mesenchymal tumor
