Mongolian spots are common birthmarks in newborns and their incidence and prevalence vary considerably between races, being the lowest in caucasian infants. Although traditionally regarded as benign, some reports suggested that extensive and multiple mongolian spots at aberrant locations and persistent beyond early childhood may co-exist with inborn errors of metabolism. However, this association is not well es...
.; .
Mucinous carcinoma of the skin, also called mucinous adenocystic carcinoma or colloid carcinoma, is a rare malignancy. It was first described by Lennox et al. in 1952. It is derived from the sweat glands or their germinal structures but it’s appocrine or eccrine origin is still controversial. Histologically it can be confused with a metastatic lesion from the more common colloid carcinoma of the breast and muci...