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contentuptodate· Content· item f20_61_21456
©2013 UpToDate ® Print Email Buccal hyperpigmentation due to ACTH excess This photo shows the inner lip of a man with adrenal insufficiency. The lip has darkened areas caused by a hormone imbalance. Reprinted with permission from: Williams Textbook of Endocrinology, 8th ed, Foster, DW, Wilson, JD (Eds), WB Saunders, Philadelphia, 1996.