TY - JOUR T1 - Hidradenoma papilliferum: an unusual benign perianal tumour JF - BMJ Case Reports DO - 10.1136/bcr-2017-220354 VL - 2018 SP - bcr-2017-220354 AU - Ju Yong Cheong AU - Cheok Soon Lee AU - Christopher John Young Y1 - 2018/07/27 UR - http://casereports.bmj.com/content/2018/bcr-2017-220354.abstract N2 - Hidradenoma papilliferum is an uncommon benign tumour that is located in the anogenital region of middle-aged women. They are usually only diagnosed after excision and are thought to arise from anogenital mammary-like glands. We present the case of a young woman who noticed a slow growing perianal lump which caused minimal symptoms. ER -