FALSE-POSITIVE MECKEL IMAGING AND TRUE-POSITIVE IMAGING OF A GASTROINTESTINAL BLEED AND SURGICAL LESION

A 76-year-old woman presented after 1 day of melena and anemia. A Meck el's scan revealed an upper mid abdominal focus of activity that paral leled stomach activity. Later, the surgeon removed the corresponding l esion in the mid ilium. Pathology confirmed that the lesion was a carc inoid tumor, not ectopic gastric mucosa. The false-positive Meckel's s can had revealed the true source of gastrointestinal bleeding and an u nsuspected solitary carcinoid tumor. This is the third published case of a carcinoid tumor discovered by a false-positive Meckel's scan.