Becker melanosis is an acquired melanosis and hypertrichosis usually in a unilateral distribution, first described in 1948 by S. William Becker. It is characterized by peripubertal development, male preponderance, hypertrichosis, occasional development of acneform lesions within the patch, and rare association with accessory scrotum in the genital region. Androgens may play a significant role i...

Prostate melanosis is an uncommon lesion of uncertain etiology where melanin deposition is seen in the epithelium, in the stroma, or in the form of a blue nevus. There are three reports in the literature of melanosis seen in association with prostatic adenocarcinoma. This is the fourth report of this association.

Abstract Background Melanosis coli is a benign condition characterized by deposition of lipofuscin in colonic mucosa due to long-term laxative use. Case presentation Here I am reporting case an 85-year-old man who presented with constipation, history herbal medication intake as laxatives, and upon evaluation, he was found have melanosis coli. Conclusion common adverse effect chronic use which m...

Object: To determine if vulvar melanosis progressed to melanoma over a period of 20 years or more. Methods: In 2010 the hospital records from the Royal Brisbane Hospital Vulvar Clinic between 1976 and 1988 were reviewed and cross checked with the state wide Queensland Centre for Gynaecological Cancer (QCGC) data base to determine if any patient had been lost to follow up and subsequently develo...