What is the most likely diagnosis in a patient with generalized weakness and this finding?: (A) Lichen planus pigmentosus, (B) Smoker's melanosis, (C) Cushing's disease, (D) Diffuse melanosis cutis
Answer is D. Answer D. Diffuse melanosis cutisDiffuse melanosis cutis is the correct answer. It is a rare presentation of malignant melanoma with progressive discoloration of the skin. Diffuse melanosis cutis is typically associated with poor prognosis.