نتایج جستجو برای: retroperitoneal

تعداد نتایج: 9020  

2014
Cressida Brennan Dilkash Kajal Korosh Khalili Sangeet Ghai

Primary retroperitoneal masses are a rare but important group of neoplasms. Cross-sectional imaging has revolutionised the investigation of patients with retroperitoneal neoplasms. Both computed tomography (CT) and magnetic resonance imaging (MRI) can contribute to tumour diagnosis, though histological confirmation is often required because of the considerable overlap of imaging features. Cross...

2014
Cressida Brennan Korosh Khalili Sangeet Ghai

Primary retroperitoneal masses are a rare but important group of neoplasms. Cross-sectional imaging has revolutionised the investigation of patients with retroperitoneal neoplasms. Both computed tomography (CT) and magnetic resonance imaging (MRI) can contribute to tumour diagnosis, though histological confirmation is often required because of the considerable overlap of imaging features. Cross...

2017
Siva Ranjith

Retroperitoneal sarcomas are rare tumours that comprise approximately 15% of all soft tissue sarcomas in adults 1 . Most of the retroperitoneal tumours are malignant and approximately one third is soft tissue sarcoma. Although significant advances in our understanding of extremity soft tissue sarcoma have resulted in improved treatments and outcomes, similar progress has not been achieved in ou...

Journal: :medical journal of islamic republic of iran 0
b geramizadeh from the transplant research center, nemazee hospital. shiraz university a/medical sciences. shiraz. iran. a azizi pv kumar hr forootan a rasekhi

the aim of this study was to evaluate the role of fine needle aspiration cytology in the diagnosis of abdominal and retroperitoneal masses in children on this study. in 53 cases of childhood abdominal and retroperitoneal masses within a 4 year period (1998- 2001) preoperative fine needle aspiration was done under the guide of ct scan. 2 pathologists reviewed fine needle aspiration smears. in al...

2010
Alexandra Patrinou Pavlos Malindretos Georgios Koutroubas Nikolaos Anagnostou Elefteria Argiraki Christos Syrganis

Neurofibromatosis Type 2 (NF2) is a dominantly inherited tumour-prone disorder, characterized by the development of multiple schwannomas, meningiomas and ependymomas. Its prevalence is around 1:60 000. Vestibular schwannoma (VS) is the hallmark of NF2. Retroperitoneal schwannomas are expected to occur in only 3% of cases. We present the case of a large retroperitoneal schwannoma in a patient wi...

2011
Shunsuke Yui Masayoshi Zaitsu Koji Mikami Yuta Takeshima Akiko Tonooka Toshimasa Uekusa Takumi Takeuchi

A 59-year-old male was admitted to our hospital because of incidentally found right retroperitoneal tumor. He had undergone removal of a hemangioma in the left oral cavity four years before. An abdominal CT scan performed in our hospital revealed poorly enhanced bilateral retroperitoneal tumors adjacent to kidneys. Those tumors were of low signal intensity on T1-weighted images and high on T2-w...

2017
Jeana Hong Sung Bae Park

INTRODUCTION The frequent complications of Meckel's diverticulum are hemorrhage, intestinal obstruction, and inflammation, and perforation. The presentation as a retroperitoneal abscess as complications of Meckel's diverticulum is a very rare clinical entity. PRESENTATION OF CASE We report a rare case of perforated Meckel's diverticulum with retroperitoneal abscess. A 31-year-old presented wi...

Journal: :Journal of the Chinese Medical Association : JCMA 2006
Shin-E Wang Yi-Fang Tsai Cheng-Hsi Su Yi-Ming Shyr Rheun-Chuan Lee Wan-Chen Tsai Fen-Yau Li Tien-Hua Chen Chew-Wun Wu Wing-Yiu Lui

Retroperitoneal bronchogenic cyst is detected extremely rarely and often masquerades as other diseases. Here, we report 2 cases of retroperitoneal bronchogenic cyst mimicking pancreatic mucinous tumor. Histologically, both cysts were composed of ciliated respiratory-like epithelium with abundant mucin content, smooth muscle bundles and mature cartilage, compatible with the diagnosis of retroper...

2015
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. To diagnose the tumor, tumor specimens must be obtained. However, in some cases, the tumor is penetrated by vessels around the ureter, and it may be difficult to detect the optimal spot for obtaining a specimen, even when performing open surgery. CASE PRESENTATION A 53-year-old male patient was referred to our hosp...

2017
Yebo Shao Yong Zhang Yingyong Hou Hanxing Tong Rongyuan Zhuang Zhengbiao Ji Binliang Wang Yuhong Zhou Weiqi Lu

It is becoming evident that lncRNAs may be an important class of pervasive genes involved in carcinogenesis and metastasis. However, the biological and molecular mechanisms of lncRNAs in retroperitoneal liposarcoma have never been reported. In our study, we found a novel lncRNA PILRLS (Proliferation Interacting LncRNA in Retroperitoneal Liposarcoma), which as an oncogene significantly overexpre...

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