False-Negative Results of Endoscopic Biopsy in the Diagnosis of Gastrointestinal Kaposi’s Sarcoma in HIV-Infected Patients
Figure 2
Gastrointestinal Kaposi’s sarcoma on endoscopy. (a) Dark reddish patch lesion (arrow) in the esophagus. (b) Small (≤10 mm) and polypoid lesion in the duodenum. (c) Submucosal tumor-like lesion with ulceration in the stomach. (d) Bulky tumor mass surrounding the anorectal area causing anorectal stenosis.
