This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
A patient presents with Ahritis, hyperpigmentation of skin and hypogonadism, likely diagnosis is: 
Select and explain. 
A. Hemochromatosis, B. Ectopic ACTH secreting tumour of the lung, C. Wilson's disease, D. Rheumatoid ahritis
A: Hemochromatosis
Answer: A: Hemochromatosis 
Explanation: Characteristics of Heamochromatosis(1) a genetic predisposition without abnormalities;(2) iron overload without symptoms; (3) iron overload with symptoms(e.g., ahritis and fatigue); and (4) iron overload with organ damage--in paicular, cirrhosis.Ref: Harrison's 18/e p3164, 17/e p2433