Teenager with abnormal pigmentation around the mouth

Small bowel follow through of Peutz-Jeghers syndrome
AP (left) and lateral (right) spot images from an upper GI show several round filling defects in the proximal jejunum, the most notable being in the left-most aspect of the AP image.

The diagnosis was a hamartomatous polyp in a patient with Peutz-Jeghers syndrome.