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1临床资料患者男,31岁。左手背部指状增生物6个月余。患者6个月前发现小指根部芝麻大丘疹,无瘙痒和疼痛,皮疹渐增大,质偏硬。患者既往体健,否认有外伤史,系统查体无异常。皮肤科检查:小指根部见一肤色、高出皮面约8mm的指状增生物,质硬,表面光滑,基底约黄豆大小,外周组织呈环状隆起(图1)。皮损组织病理示:表皮角化过度,棘层厚薄不一,表皮突明显下延,真皮内见致密的胶原纤维束,与皮损纵轴平行,并见较多的
1 clinical data patient male, 31 years old. Left back finger accretions more than 6 months. 6 months ago, the patient found a small sesame root rash papules, no itching and pain, rash gradually increased, the quality of hard. Past physical health of patients, denied a history of trauma, the system examination was normal. Dermatology examination: The pinky root see a complexion, higher than the dermis about 8mm finger accretions, hard, smooth surface, about the size of soybeans on the base, the peripheral tissue was ring-shaped uplift (Figure 1). Skin lesions showed: epidermal hyperkeratosis, acanthosis of varying thickness, epidermal protrusion was significantly delayed, see the dermal dense collagen fiber bundles, and the longitudinal axis of the lesion parallel and see more