Results 31 to 40 of about 104,473 (343)

Multiple distant metastases arising from a single, low-grade rectal neuroendocrine tumor: an autopsy case report

open access: yesJournal of Medical Case Reports, 2023
Background Rectal neuroendocrine neoplasms are rare epithelial neoplasms of the rectum. The incidence of these tumors has increased over the past decades.
Keng Wee Goh   +7 more
doaj   +1 more source

Rectal endometriosis mimicking neoplasm

open access: yesTaiwanese Journal of Obstetrics and Gynecology, 2013
In September 2011, a previous healthy 39-year-old woman visited our hospital complaining of a 5-month history of change in bowel movement with constipation and tenesmus. Fecal occult blood test (immune) was positive (>800 ng/mL). Barium enema showed an apple-core lesion over the upper rectum (Fig. 1).
Hua-Ching Lin   +4 more
openaire   +3 more sources

MicroRNA expression profiles in pediatric dysembryoplastic neuroepithelial tumors. [PDF]

open access: yes, 2016
© Springer Science+Business Media New York 2015Among noncoding RNAs, microRNAs (miRNAs) have been most extensively studied, and their biology has repeatedly been proven critical for central nervous system pathological conditions.
A Ranger   +36 more
core   +2 more sources

A rectal neuroendocrine neoplasm

open access: yesRevista Española de Enfermedades Digestivas, 2017
The incidence of gastric and rectal carcinoids is increasing. This is probably due to endoscopic screening. The prognosis is primarily dependent upon tumor size, aggressiveness (pathology, Ki-67), metastatic disease and stage. However, neuroendocrine carcinoma usually behaves as an adenocarcinoma.
Varas-Lorenzo, Modesto J.   +1 more
openaire   +4 more sources

TEM technique in the treatment of patients with early rectal cancer

open access: yesВестник хирургии имени И.И. Грекова, 2020
The use of organ-preserving interventions remains the most important direction in improving of surgical treatment of patients with rectal cancer. One of the promising options for its implementation is the TEM (transanal endoscopic microsurgery) technique,
P. N. Romaschenko   +3 more
doaj   +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

Pseudoprogression in rectal gastrointestinal stromal tumor

open access: yesIndian Journal of Medical and Paediatric Oncology, 2019
Although gastrointestinal stromal tumors (GISTs) are common mesenchymal intestinal neoplasms, rectal GISTs are rare mesenchymal tumors of the GI tract. We describe a case of rectal GIST in a 63-year-old male.
Virendra Meena   +5 more
doaj   +1 more source

Clinical study of colorectal cancer operation: Survival analysis [PDF]

open access: yesKorean Journal of Clinical Oncology, 2020
Purpose Overall 5-year survival rates for colon and rectal cancer reported recently by the American Cancer Society were 89%, 90% for localized disease, 71%, 71% for regional disease, and 14%, 15% for distant disease.
Youngki Hong   +3 more
doaj   +1 more source

Novel use of the Heald anal stent after transanal endoscopic microsurgery

open access: yesSurgical Techniques Development, 2011
Distension of the rectum following transanal endoscopic microsurgery (TEMS) increases rectal intra-luminal pressure and may promote pelvic sepsis by contaminating the rectal defect. We describe the first use of a Heald anal stent to decompress the rectum
Alun E. Jones, Guy F. Nash
doaj   +1 more source

A rare case of rectal adenocarcinoma and small-bowel neuroendocrine tumor in a young patient with long-standing Crohn's disease: A case report

open access: yesJournal of Nature and Science of Medicine, 2021
Background: The association of adenocarcinoma of the colon and neuroendocrine tumor (NET) of the small bowel has been previously described in Crohn's disease (CD), however the concomitance of both neoplasms is extremely rare.
Nahla Azzam
doaj   +1 more source

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