Figure 1.
Gastrointestinal Kaposi's sarcoma on endoscopy.
A) Dark-reddish flat lesions in the esophagus. B) Chromoendoscopy with indigo carmine dye showed a polypoid nodule in the terminal ileum. C). Submucosal lesions in the rectum. D) Bulky tumor surrounding the antrum of the stomach and causing pyloric stenosis. E) Circumferential flat lesions with ulceration in the duodenum. F) Multiple nodules in the stomach.
Figure 2.
Pathological features of GI-KS.
A) Spindle cell proliferation found in the submucosa on hematoxylin and eosin (HE) staining. B) Immunohistochemical staining revealing strong expression of CD34. C) Immunohistochemical staining revealing expression of D2–40. Vascular gaps are lined with endothelial cells on staining for CD34 and D2–40. D) Some endothelial cells are positive for human herpes virus 8 (HHV-8).
Table 1.
Patient characteristics.
Table 2.
Predictive clinical factors for GI-KS on uni- and multivariable analysis.
Table 3.
Relationship between endoscopic severity of GI-KS and clinical factors (n = 33).