Make the Diagnosis: Problematic Skin Patch

(MedPage Today) -- Case Findings: A 52-year-old man with type II diabetes was at a check up with his primary physician when he asked about a hyperpigmented patch of skin on the back of his neck. He had noticed it getting progressively darker over the past few months. The skin also felt a little bit thicker. Now that his dieting and exercise was finally starting to make a dent in the 80 pounds he needed to lose, he wanted to make sure he didn ' t have anything else to worry about. Can you diagnose the patient?
Source: MedPage Today Dermatology - Category: Dermatology Source Type: news