..., instructions or products referred to in the content or advertisements. Ganglioneuroma Retroperitoneal tumor Adenoma Glioneuroma is a sympathetic nerve system tumor that develops from the neural crest in the fetal period. Ganglioneuroma in the retroperitoneal cavity is a rare entity. We herein...

... revealed that the retroperitoneal tumor may be a malignant disease. However, the pathological diagnosis after laparoscopic resection was retroperitoneal Castleman’s disease, hyaline vascular type. daiwuhf@126.com 5 03 2020 5 03 2020 30 4 2020 No funding was received...

... in the chest, head, and neck. A 71-year-old man was referred to our hospital due to a retroperitoneal tumor in the para-aortic area by computed tomography (CT). Positron emission tomography-CT revealed an uptake in this tumor, suggesting malignant diseases. Laparoscopic tumorectomy was performed...

... retroperitoneal tumor. Contrast CT showed a tumor mass measuring 33 × 26 mm in size with poor contrast enhancement. Because we were unable to rule out tumor malignancy, we planned an operation. The tumor was easily separated and removed without nephrectomy. Histological study revealed a schwannoma. It is rare...

...Yoko Maeda; Takashi Kawahara; Mikiko Tanabe; Yohei Kumano; Mari Ohtaka; Takuya Kondo; Taku Mochizuki; Yusuke Hattori; Jun-ichi Teranishi; Yasuhide Miyoshi; Yasushi Yumura; Yoshiaki Inayama; Masahiro Yao; Hiroji Uemura Introduction: Retroperitoneal tumor is often seen in urology clinical practice...