<prompt> 55 year old male presents with hyperpigmentation, nail atrophy and reversible hair loss. Patient also have hamaomatous colon polyps. Diagnosis is ?Turcot syndromePeutz-Jeghers syndromeBannayan-Ruvalcaba-Riley syndromeCronkhite-Canada syndrome  <response>: 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 