Results 41 to 50 of about 105,776 (361)

Chromogranin A: From Laboratory to Clinical Aspects of Patients with Neuroendocrine Tumors [PDF]

open access: yes, 2018
Background. Neuroendocrine tumors (NETs) are characterized by having behavior and prognosis that depend upon tumor histology, primary site, staging, and proliferative index.
Baldelli, Roberto   +8 more
core   +1 more source

Deep Reinforcement Learning-Based Control for Stomach Coverage Scanning of Wireless Capsule Endoscopy [PDF]

open access: yesarXiv, 2023
Due to its non-invasive and painless characteristics, wireless capsule endoscopy has become the new gold standard for assessing gastrointestinal disorders. Omissions, however, could occur throughout the examination since controlling capsule endoscope can be challenging.
arxiv  

Sporadic foveolar-type adenoma in gastric body/antrum junction with gastritis cystica profunda

open access: yesBMC Gastroenterology, 2022
Background Sporadic gastric foveolar-type adenomas are extremely rare and are usually small, flat or slightly raised lesions that occur in the oxyntic mucosa.
Jian Guan   +3 more
doaj   +1 more source

Risk of critical illness among patients with solid cancers: a population-based observational study of 118,541 adults [PDF]

open access: yes, 2015
Importance: Critical illness may be a potential determinant of cancer outcomes and geographic variations, but its role has not been described before. Objective: To determine the incidence of admission to intensive care units (ICUs) within 2 years ...
Kinsella, John   +5 more
core   +1 more source

Impact of OCT4 and Its Related Signaling Pathways on Gastrointestinal Cancers: Focusing on Targeted Therapy

open access: yesIranian Journal of Allergy, Asthma and Immunology, 2020
There are many pieces of evidence support the effect of cancer stem cells on the initiation and progression of cancer. However, related mechanisms involved in these phenomena are far more complicated to understand.
Hamid Cheshomi   +3 more
doaj   +1 more source

Endoscopic Submucosal Dissection of an Inverted Early Gastric Cancer-Forming False Gastric Diverticulum [PDF]

open access: yesClinical Endoscopy, 2016
Endoscopic submucosal dissection (ESD) is a standard treatment for early gastric cancer (EGC) that does not have any risk of lymph node or distant metastases. Here, we report a case of EGC resembling a diverticulum.
Yong-il Lee, Sang-kil Lee
doaj   +1 more source

Computational Intelligence Approach to Improve the Classification Accuracy of Brain Neoplasm in MRI Data [PDF]

open access: yesarXiv, 2021
Automatic detection of brain neoplasm in Magnetic Resonance Imaging (MRI) is gaining importance in many medical diagnostic applications. This report presents two improvements for brain neoplasm detection in MRI data: an advanced preprocessing technique is proposed to improve the area of interest in MRI data and a hybrid technique using Convolutional ...
arxiv  

Perforated small intestine in a patient with T-cell lymphoma; a rare cause of peritonitis [PDF]

open access: yes, 2016
The nontraumatic perforations of the small intestine are pathological entities with particular aspects in respect to diagnosis and treatment. These peculiarities derive from the nonspecific clinical expression of the peritonitis syndrome, and from the ...
Banu, Petrisor   +3 more
core   +5 more sources

Endoscopic Ultrasonography in the Diagnosis of Gastric Subepithelial Lesions [PDF]

open access: yesClinical Endoscopy, 2016
Subepithelial lesions occasionally found in the stomach of patients undergoing endoscopy may be either benign lesions or tumors with malignant potential. They may also appear due to extrinsic compression.
Eun Jeong Gong, Do Hoon Kim
doaj   +1 more source

Mortalidade por neoplasias no Brasil (1980/1983/1985): agrupamento dos Estados, comportamento e tendências Mortality from neoplasms in Brazil (1980/1983/1985): grouping by State, behaviors and tendencies

open access: yesRevista de Saúde Pública, 1991
Examinou-se a mortalidade por neoplasias no Brasil, utilizando-se dados oficiais do Ministério da Saúde, abrangendo 26 Unidades da Federação e 13 diferentes localizações neoplásicas, para os anos de 1980, 1983 e 1985.
Fábio Gonçalves Pinto   +1 more
doaj   +1 more source

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