Syringomas are common appendageal tumors of intraepidermal eccrine ducts.

摘汗管瘤为见之皮肤附属器官肿瘤，好犯于下眼皮及双颊。

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

理上，落叶性天疱疮的表层内棘层松解位于颗粒细胞层里，性天疱疮则位在基底层之上。