“…their physiopathology is still unknown and would be due to a dilation of the eccrine sweat glands canals [3], eccrine sweat glands are present throughout the body, which explains the possibility of eccrine hydrocystoma occurring in several areas of the body, unlike apocrine hydrocystoma, since the apocrine glands are confined in axilla, nipple, external ear, external genitalia and eyelids [4], they can be confused with basal cell carcinoma, syringomas and sebaceous cysts and in these cases the histology allows the diagnosis to be rectified. Some cases have been reported in the literature of hydrocystoma in the chest in a man of a 70-year-old chest [2], scalp [5] or vulva [6].…”