Surgery General 8f837441 Colonic pseudo obstruction occurs in all, EXCEPT: A Diabetes mellitus B Dermatomyositis C Scleroderma D Hypehyroidism High-Yield Explanation "Pseudo Obstruction is seen in hypothyroidism, not in hypehyroidism" Ref: Sabiston 18/e, Page 1372; schwaz 9/e, Page 992.