This 12-year-old boy presented with abdominal pain. What is the diagnosis?: (A) Cowden syndrome, (B) Cronkhite-Canada syndrome, (C) Osler-Weber-Rendu syndrome, (D) Peutz-Jeghers syndrome
Answer is D. Answer D. Peutz-Jeghers syndromeThe presence of mucocutaneous pigmented lip lesions suggests the diagnosis of Peutz-Jeghers syndrome, an autosomal dominant disorder characterized by development of multiple hamartomatous gastrointestinal polyps.