Solitary Polypoid Angiodysplastic Lesion Mimicking a Tumor in the Jejunum.

Small bowel bleeding should be considered in patients with overt or occult gastrointestinal hemorrhage after normal upper and lower endoscopic examination. Angiodysplasia appearing as multiple flat vascular tufts is the most common cause of small bowel bleeding in patients over 40 years old. Polypoid angiodysplasia, however, is extremely rare.

Computed tomography in Crohn's disease.

Computed tomography, barium examinations, and endoscopy play complementary roles in documenting the extent of disease in patients with Crohn's disease. Computed tomography is most often requested for patients with suspected or known intraabdominal or pelvic abscesses. In addition to documenting the presence and extent of abscess formation, other pathological processes in patients with Crohn's disease, may be demonstrated on computed tomography scans.

Granular cell tumor of the esophagus.

Two cases of granular cell tumor of the esophagus are reported and the main features of the previously reported cases are summarized. Dysphagia and substernal discomfort or pain are the most common symptoms seen and are likely to occur with lesions greater than 1 cm. in diameter.