“…It is characterized by fibroblast proliferation, with varying degrees of fibrosis, and mucin deposition in the dermis, in the absence of thyroid disease. 1 , 2 , 3 Its etiopathogenesis is unknown; however, it is known that a variety of clinical conditions have been associated with LM, such as HIV infection, HCV, and exposure to chemicals such as L-tryptophan. 2 , 3 , 4 , 5 , 6 , 7 …”