Results 111 to 120 of about 38,950 (296)

Paraneoplastic pemphigus with clinical features of lichen planus associated with low-grade B cell lymphoma [PDF]

open access: yes, 2005
BACKGROUND: Neoplasia-induced lichen planus is described as a cell-mediated reaction to unknown epithelial antigens. Paraneoplastic pemphigus (PNP), characterized by the presence of a specific array of autoantibodies, probably represents a different form
Black, M   +4 more
core   +1 more source

Gel Immersion Endoscopic Submucosal Dissection Using a Scissor‐type Knife for Superficial Non‐ampullary Duodenal Epithelial Tumors

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
Abstract Objectives This study aimed to compare the short‐term therapeutic outcomes between conventional endoscopic submucosal dissection (C‐ESD) and gel immersion ESD (GI‐ESD) for superficial non‐ampullary duodenal epithelial tumors (SNADETs). Methods A retrospective analysis was conducted on patients with SNADETs who underwent C‐ESD or GI‐ESD between
Osamu Dohi   +21 more
wiley   +1 more source

Liposarcoma retroperitoneal gigante. Reporte de caso (Giant retroperitoneal liposarcoma. Case report)

open access: yesAvances en Biomedicina, 2015
Soft tissue sarcomas represent less than 1% of all human neoplasms. One-third of malignant tumors that arise in the retroperitoneum are sarcomas and liposarcoma is the most common retroperitoneal sarcoma and is known to grow to giant sizes, slow progress
Eduardo Reyna-Villasmil   +3 more
doaj  

Efficacy and Safety of Remimazolam Compared to Midazolam for Sedation During Endoscopic Ultrasonography: A Single‐Center Retrospective Cohort Study

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Objectives Remimazolam is a novel ultra–short‐acting benzodiazepine that may offer advantages over conventional sedatives in endoscopic procedures. Evidence for its use in pancreatobiliary endoscopic ultrasonography (EUS) is limited. We compared the efficacy and safety of remimazolam and midazolam in outpatient pancreatobiliary EUS.
Haruka Toyonaga   +16 more
wiley   +1 more source

A Rare Case of Retroperitoneal Leiomyoma

open access: yesCase Reports in Surgery, 2012
Introduction. Leiomyoma uteri is one of the most common benign conditions for which women undergo hysterectomy every year. Fibroids found retroperitoneally are a rare entity, especially, primary retroperitoneal fibroid. Case Presentation.
Rajiv Mahendru   +4 more
doaj   +1 more source

DECISION ON THE RATIONAL ALGORITHM IN TREATMENT OF KIDNEY CYSTS

open access: yesВестник хирургии имени И.И. Грекова, 2018
The article presents an algorithm of diagnostics and treatment of renal cysts and other liquid neoplasms of the retroperitoneal space on an analysis of 270 case histories.
A. V. Antonov   +2 more
doaj   +1 more source

A Rule Based Classification Model to Predict Colon Cancer Survival [PDF]

open access: yes, 2015
Introduction: Colon cancer is the second most common cancer in the world and fourth most common cancer in both sexes in Iran, whose % 8.12 of all cancers in the covers.
Abbasi, Reza   +3 more
core  

Five Cases of Hepatic Mesenchymal Tumors Diagnosed by Endoscopic Ultrasound‐Guided Tissue Acquisition

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Percutaneous biopsy remains the gold standard for diagnosing focal liver lesions; however, endoscopic ultrasound‐guided tissue acquisition (EUS‐TA) has recently emerged as a promising alternative. Although its diagnostic performance is favorable, most available evidence has focused on epithelial tumors, and reports on mesenchymal tumors are ...
Yuichi Takano   +9 more
wiley   +1 more source

Retroperitoneal schwannoma: A common tumour in an uncommon site [PDF]

open access: yes, 2010
We describe a female adult patient who presented with acute retention of urine and vague abdominal discomfort. A provisional diagnosis of ovarian tumour was made after crosssectional imaging.
Chu, TYC, Tam, KF, Wong, CS
core  

Delayed Duodenal Ulcer Perforation Following Esophageal Endoscopic Submucosal Dissection Complicated by Perforation: A Case Report

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
Abstract Endoscopic submucosal dissection (ESD) is an established treatment of superficial esophageal neoplasms. Common complications include bleeding, perforation, and stricture. However, delayed gastrointestinal perforation distant from the ESD site is exceptionally rare.
Shinya Nakatani   +9 more
wiley   +1 more source

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