1.Syringomas are common appendageal tumors of intraepidermal eccrine ducts.

1.摘要汗管瘤为常见附属器官肿瘤，好犯下眼及双颊。

2.Histopathologically, intraepidermal acantholysis is located at the granular layer in PF and suprabasally in PV.

2.理上，落叶性天疱疮的表层内棘层松颗粒细胞层里，而寻常性天疱疮则在基底层上。