Kiyoshi Narita, Masataka Okuno, Seiji Natsume, Tomonari Asano, Hisafumi Saito, Masashi Negita, Seiji Ito, Koji Komori, Tetsuya Abe, Kazuo Hara, Nozomi Okuno, Waki Hosoda, Yasuhiro Shimizu
CASE PRESENTATION: A 61-year-old female was referred to our hospital with a neoplastic lesion in the duodenum. Computed tomography with contrast enhancement revealed a 10-mm tumor in the duodenum. Upper gastrointestinal endoscopy revealed a submucosal tumor-like lesion in the descending part of the duodenum. Endoscopic ultrasound revealed a well-defined hypoechoic tumor. Biopsy and immunohistochemical findings including negative Synaptophysin and Chromogranin A staining and positive Trypsin and BCL10 staining suggested a carcinoma with acinar cell differentiation...
April 16, 2024: Surgical Case Reports