Welcome to the Multicentric Reticulohistiocytosis Support Site!

MRH – Multicentric Reticulo-Histiocytosis I am a 46 year old woman who was diagnosed over four years ago with multicentric reticulohistiocytosis (multicentric reticulohistiocytosis, MRH) – quite a mouthful – I know.  This website was created by an awesome guy (my husband) in an attempt to create a forum for people with this rare disease to communicate and […]

What is Multicentric Reticulohistiocytosis?

Multicentric Reticulohistiocytosis (MR, MRH, previously also called Lipoid dermatoarthritis) is a rare disease, primarily affecting patients in their adulthood characterized by the rapid appearance of multiple papules and nodules arising in conjunction with severe arthritis. The name was first proposed in 1954 by Goltz and Laymon. MRH is very rare. The average dermatologist, rheumatologist, or […]