A 21-year-old male reporting melena over one week is presented. Laboratory testing revealed severe anemia (Hgb 7 g/dL). Hyperpigmentation spots were present in the patient’s bucal mucosa and lower lip that arose during infancy. Three years ago, these lesions had raised the clinical suspicion of Peutz-Jeghers syndrome (PJS) and the patient had undergone an upper gastrointestinal (GI) endoscopy a...
