使用皮肤镜区分毛囊炎和寻常痤疮

Natalia Tanojo, Sylvia Anggraeni
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引用次数: 0

摘要

背景:毛囊炎(Pityrosporum folliculitis,PF)和寻常痤疮(Acne vulgaris,AV)都是皮脂腺毛囊的慢性炎症,但病因不同。相似的检查结果可能会导致误诊,从而加重症状,尤其是在用治疗寻常型痤疮的抗生素治疗 PF 的情况下。简单的 KOH 检查有助于区分 PF 和 AV,但在临床环境中并不总是很容易获得。目的:寻找一种替代的实用工具来确诊 PF 和 AV:皮肤镜是一种手持式显微镜,配有 10 倍放大率和光源,可在显微镜下观察皮下结构。PF 的单形皮损表现为色素减退的圆形皮损,中央有盘绕/卷曲的毛发。皮肤镜下的 AV 图像因其多形性表现而异。非炎症性 AV 显示中心有黄褐色的阻塞,而炎症性 AV 则表现为圆形、带白色的皮损,边界较薄呈褐色,边缘有红斑。脓疱性 AV 表现为凸起的皮损,边界不清,中间呈白色或淡黄色,周围呈淡红色:结论:皮肤镜有助于看到肉眼看不到的皮肤结构,因此有助于诊断脓疱性 AV 和 PF。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
use of dermoscope to differentiate Pityrosporum folliculitis and Acne vulgaris
Background: Both Pityrosporum folliculitis (PF) and Acne vulgaris (AV) are chronic inflammation of pilosebaceous follicle but with different etiology. The similar findings may lead to misdiagnosis that worsen symptoms, especially if PF is treated with antibiotics meant for AV. A simple KOH examination helps to differentiate PF and AV is not always readily available in clinical setting.Purpose: to find an alternative, practical tool to confirm the diagnose of PF and AV.Review: Dermoscope is a handheld microscope equipped with 10x magnification and a light source for microscopic visualization of the subcutaneous structures. The monomorphic lesions in PF appear as hypopigmented, round lesions with coiled/looped hair in the center. Dermoscope image of AV varies according its polymorphic manifestations. A non-inflammatory AV shows a yellow-brown blockage in the center while inflammatory AV is depicted as round, whitish lesions with thin brownish borders and erythematous marginal lesions. Pustular AV appears as raised lesions with indistinct borders and white or yellowish in the middle and surrounding reddish borders.Conclusion: Dermoscope help to see skin structures invisible to naked eyes and thus, help to diagnose PF and AV.
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