Syringomas are common appendageal tumors of intraepidermal eccrine ducts.

摘要汗管瘤为常见之皮器官肿瘤，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，落叶性天疱疮的表内棘位于颗粒细胞里，而寻常性天疱疮则位在基底之上。