Results 71 to 80 of about 106,049 (202)

Transitional cell carcinoma of suspected ureteral origin, with intra-abdominal and distant metastases in two horses [PDF]

open access: yes, 2011
The present paper describes two cases of suspected urothelial carcinomas with local lymphatic metastases, and distant metastases in the lungs. In one case, liver metastases were also present.
De Clercq, Dominique   +8 more
core   +1 more source

Mouse models of colorectal cancer. [PDF]

open access: yes, 2011
Colorectal cancer is one of the most common malignancies in the world. Many mouse models have been developed to evaluate features of colorectal cancer in humans. These can be grouped into genetically-engineered, chemically-induced, and inoculated models.
Koeffler, H Phillip   +2 more
core   +2 more sources

A proposed therapeutic algorithm for colorectal cancer prevention, based on endoscopic polypectomies in patients with multiple colonic polyps [PDF]

open access: yes, 2018
Introduction. Results from single medical centers having large numbers of patients with multiple colonic polyps that have undergone colonoscopy management are rare. Material and method.
Alexandru, Septimiu   +3 more
core   +1 more source

Metastasis of Rectal Signet Ring Cell Carcinoma to Typical Lipoma: A Rare Presentation of the Tumor-to-Tumor Metastasis Phenomenon

open access: yesJournal of Investigative Medicine High Impact Case Reports
Rectal signet ring cell carcinoma represents a rare subtype of colorectal adenocarcinoma known for its aggressive biological nature and poor prognosis. Although the co-occurrence of colorectal carcinoma with other tumors has been reported, the uncommon ...
Houyem Mansouri MD   +5 more
doaj   +1 more source

P53 mutations in human adrenocortical neoplasms [PDF]

open access: yes, 1994
The mechanisms of tumorigenesis of adrenocortical neoplasms have not been elucidated as yet. However, loss of heterozygosity at chromosomal locus 17p has been consistently observed in adrenocortical cancer.
Allolio, B.   +6 more
core  

Pancreatic tumors imaging: an update [PDF]

open access: yes, 2016
Currently, ultrasound (US), computed tomography (CT) and Magnetic Resonance imaging (MRI) represent the mainstay in the evaluation of pancreatic solid and cystic tumors affecting pancreas in 80-85% and 10-15% of the cases respectively. Integration of US,
Baccari, Paolo   +8 more
core   +1 more source

Large Friable Rectal Neuroendocrine Tumor Complicated by Hemorrhagic Shock: A Rare Case Report and Review of the Literature

open access: yesJGH Open
Rectal neuroendocrine tumors (NETs) are rare neoplasms that are usually asymptomatic and diagnosed incidentally. There are limited data on the presentation and management of high‐grade poorly differentiated large friable rectal NETs.
Yazan Abboud   +6 more
doaj   +1 more source

The value of flexible sigmoidoscopy for patients with bright red rectal bleeding [PDF]

open access: yes, 2003
Objective. To review the diagnostic yield of flexible sigmoidoscopy in patients presenting with bright red rectal bleeding. Design. Retrospective study. Setting. University teaching hospital, Hong Kong. Subjects and methods.
Choi, HK, Chu, KW, Law, WL
core  

Rectal Leiomyoma on Routine Colonoscopy: Narrative Review and an Australian Case Report

open access: yesWorld Journal of Colorectal Surgery
Rectal leiomyomas are extremely rare benign smooth muscle tumors, accounting for under 1% of all rectal neoplasms. We report a case of an asymptomatic 64-year-old male who was found to have a small rectal polyp that histologically proved to be a ...
Joshua Sungho Hong, Radha Nair
doaj   +1 more source

Colorectal cancer screening: strategies to select populations with moderate risk for disease [PDF]

open access: yes, 2015
Objective: to analyse the association between rectal bleeding or a family history of colorectal cancer (CRC) and the results obtained in two rounds of a CRC screening pilot programme performed in L'Hospitalet, Barcelona, Spain.
Binefa i Rodríguez, Gemma   +7 more
core  

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