Diagnosis and Management of Subungual and Periungual Verruca: A Clinical Review

Supplemental Figure 1. Dermoscopy of periungual and subungual verruca of the toenail with black dots corresponding to vessels within the keratotic lesion.

Supplemental Figure 2. Histopathology of periungual verruca demonstrating hyperkeratosis, caps of parakeratosis and acanthosis with papillomatosis. The dermis shows dilated capillaries (H&E, 200x).

Supplemental Table 1. Differential diagnosis for nail unit verrucae.

Supplemental Table 2. Homeopathic therapies for nail unit verrucae.

补充图1：指甲周围及甲下疣的皮肤镜检查图，黑色点状物对应角质层病变中的血管。
补充图2：指甲单位疣的病理组织学检查，展示过度角化、不全角化层帽状结构及棘层肥厚伴乳头瘤病。真皮层可见扩张的毛细血管（H&E，200倍）。
补充表1：指甲单位疣的鉴别诊断。
补充表2：指甲单位疣的顺势疗法。