稀な頭頸部Nodular Hidradenomaの2症例

Two Cases of Nodular Hidradenomas in the Head and Neck: Report of a Case

　はじめに

　Nodular hidradenomaは中年ないしそれ以降の頭頸部に好発する比較的まれな良性腫瘍である。腫瘍細胞はepidermoid cellとclear cellにより構成されており，エックリン汗器官由来と考えられている。今回われわれはnodular hidradenomaの2症例を経験したので，若干の文献的考察とともに報告する。

The first case was a 78-year-old women wills a lesion in the left upper eyelid; the other was a 41-year-old man with a lesion in the right occipital region. Microscopically, both tumors consisted of epidermoid cells and clear cells in variable mixtures, and duct-like structres were occasionally seen. Nodular hidradenomas are uncommon benign tumors that are suspected of arising eccrine sweat glands. This tumor is called by many different names among doctors. The tumors are relatively small, so the second case is a rare case of large nodular hidradenoma.