55 year old male presents with hyperpigmentation, nail atrophy and reversible hair loss. Patient also have hamaomatous colon polyps. Diagnosis is ?

Patient is suffering from Cronkhite Canada syndrome Mn: C - Cronkhite Canada syndromeA- Acquired, skin & appendages of skin- Hyperpigmentation- Reversible Hair loss- OnychodystrophyD - Diarrhea (Massive)- Cause of death GI Lesions: Hamaomatous colon polyps, Crypt dilatation and edema in nonpolypoid mucosa