Case Report
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Jul 21, 2009; 15(27): 3448-3450
Published online Jul 21, 2009. doi: 10.3748/wjg.15.3448
Figure 1
Figure 1 Endoscopic examinations. A and B: Upper gastrointestinal endoscopy showed a pedunculated polypoid tumor of the esophagus; C: EUS found a 5 cm × 3 cm × 3 cm hypoechoic mass with regular margins confined to mucosal layer only.
Figure 2
Figure 2 Endoscopic polypectomy. A: Pre-polypectomy; B: Post-polypectomy; C: Macroscopy of the esophageal carcinosarcoma.
Figure 3
Figure 3 Histological findings. A: Histology showing a transitional area (HE, × 100); B: A carcinomatous area (HE, × 400); C: A sarcomatous area (HE, × 400); D: Immunohistology showing a sarcomatous area positive for vimentin in cytoplasm (arrows, vimentin, × 400); E: Negative for SMA in cytoplasm and positive for internal control (arrows, SMA, × 400); F: Negative for desmin in cytoplasm (desmin, × 400).