Results 1 to 10 of about 32,812 (183)

Mesenteric and Retroperitoneal Mucinous Cystic Neoplasms: A Nongynecologic Process Commonly Managed by Gynecologic Oncologists [PDF]

Case Reports in Obstetrics and Gynecology
Retroperitoneal mucinous cystic neoplasm is a rare pathology. Data regarding diagnosis and treatment are limited and based on case reports and series. We describe a case series of two patients each presenting with a pelvic mass suspicious for an adnexal ...
Judy Hayek, Jennifer Wolf, Alexandra Hamilton, Yong Mei Yin, Margaux J. Kanis   +4 more
doaj   +2 more sources

Robotic retroperitoneal tumor resection: a video vignette [PDF]

Journal of Minimally Invasive Surgery
The utility of robotic platform remains relatively unexplored in the context of retroperitoneal tumors. The location and complexity of neurovascular anatomy pose additional challenges for surgical planning.
Rajesh S. Shinde, Monika Pohekar, Murali V   +2 more
doaj   +2 more sources

A Nine Years Histopathological Retrospective Study of Retroperitoneal Masses [PDF]

Journal of Clinical and Diagnostic Research, 2022
Introduction: Retroperitoneum is potentially large space that allows both primary and metastatic tumours to grow silently before clinical signs and symptoms appear.
Kanchana Umashankar Telagavi, Bharati Mohan Bhavikatti, Purushottam Reddy   +2 more
doaj   +1 more source

A rare case of solitary fibrous pelvic tumor

Исследования и практика в медицине, 2023
Non-organ retroperitoneal tumors are a heterogeneous group of malignant neoplasms that develop from different types of connective tissue, which in turn determines the variety of histological forms.
L. O. Petrov, D. A. Golovkov, R. I. Moshurov, S. S. Malev, A. A. Fedenko   +4 more
doaj   +1 more source

Primary retroperitoneal mucinous cystic neoplasm of borderline malignancy with and co-mutation: a case report

Journal of International Medical Research, 2023
Primary retroperitoneal mucinous cystic neoplasms are rare retroperitoneal tumors, which are histologically similar to mucinous cystic neoplasms of the ovaries. Only 31 cases of primary retroperitoneal mucinous cystic neoplasm with borderline malignancy (
Seung-Myoung Son, Chang Gok Woo, Seok Jung Yun, Ok-Jun Lee   +3 more
doaj   +1 more source

Primary retroperitoneal neuroendocrine tumor with nonspecific presentation: A case report

Radiology Case Reports, 2020
Primary retroperitoneal tumors are a rare entity of human neoplasms, with primary retroperitoneal neuroendocrine tumors being even more rare. They are usually metastatic and rarely seen as a primary tumor.
Tareq Hamed Al Taei, MB, BCh, BAO, Sarah Ali Al Mail, MD, Abdulaziz Hajjaj Al Thinayyan, MBBS   +2 more
doaj   +1 more source

Retroperitoneal paraganglioma: A case report with review of literature

Journal of Mahatma Gandhi Institute of Medical Sciences, 2018
Retroperitoneal paragangliomas are rare neoplasms usually seen as histological surprises and can be confused with more common retroperitoneal neoplasms.
Bhagyashri R Hungund, Vishwanath M Pattanshetti, Ganga S Pilli, Ranjit Kangle, Ramesh Y Chavan   +4 more
doaj   +1 more source

Retroperitoneal lipoma arising from the urinary bladder

Rare Tumors, 2009
Retroperitoneal benign lipomas are extremely rare and represent about 2.9% of all primary retroperitoneal tumors. About 80% of the tumors in the retroperitoneal cavities are malignant neoplasms.
Hisato Kobayashi, Hiroshi Ozasa, Masaya Hirose, Tomoyuki Shirase, Tomoko Kim, Michikazu Nagura, Fumitomo Nishimura, Yukio Yamanishi, Megimi Ohnaka, Naoyuki Miyagawa, Masafumi Koshiyama, Shingo Ukita   +11 more
doaj   +1 more source

Retroperitoneal capillary arteriovenous malformation mimicking a malignant neoplasm

IJU Case Reports, 2023
Introduction Retroperitoneal tumors account for 0.2% of all neoplasms. Among these tumors, retroperitoneal vascular malformations are particularly rare, with most previously reported cases being venous malformations. Case presentation A 72‐year‐old woman
Kazuki Yanagida, Tomoyuki Kaneko, Koji Saito, Masayoshi Yamamoto, Asako Yamamoto, Yukio Yamada, Tohru Nakagawa   +6 more
doaj   +1 more source

Retroperitoneal pararenal dedifferentiated liposarcoma with epithelioid/neuroendocrine features, somatostatin-positive.

Forum of Clinical Oncology, 2023
Liposarcomas are malignant mesenchymal neoplasms that, although derived from adipocytes, may dedifferentiate to other cell types. We present an exceedingly rare case of epithelioid/neuroendocrine dedifferentiation with somatostatin expression of a ...
Gaggero Gabriele, Bet Paola, Taietti Davide, Ingaliso Marta, Spina Bruno   +4 more
doaj   +1 more source