Results 11 to 20 of about 258,672 (312)

Image-Based Flexible Endoscope Steering [PDF]

open access: yes, 2010
Manually steering the tip of a flexible endoscope to navigate through an endoluminal path relies on the physician’s dexterity and experience. In this paper we present the realization of a robotic flexible endoscope steering system that uses the ...
Misra, Sarthak   +2 more
core   +7 more sources

Theoretical investigation of transgastric and intraductal approaches for ultrasound-based thermal therapy of the pancreas. [PDF]

open access: yes, 2017
BackgroundThe goal of this study was to theoretically investigate the feasibility of intraductal and transgastric approaches to ultrasound-based thermal therapy of pancreatic tumors, and to evaluate possible treatment strategies.MethodsThis study ...
Adams, Matthew S   +4 more
core   +1 more source

Clay Minerals Affect the Solubility of Zn and Other Bivalent Cations in the Digestive Tract of Ruminants In Vitro

open access: yesAnimals, 2021
Ruminants ingest large quantities of clay minerals along with inorganic soil constituents in roughages. The layered structure of clay minerals, however, may adsorb cations and may, thus, interfere with the ruminants’ supply of essential trace metals ...
Maria Schlattl   +2 more
doaj   +1 more source

Intraduodenal sarcoma recurrence of retroperitoneal origin: an unusual cause for a duodenal obstruction. [PDF]

open access: yes, 2012
Soft tissue sarcomas are uncommon tumors, and intraduodenal soft tissue sarcoma manifestation is even more rare. Only three cases of intraduodenal sarcomas have been reported in the literature thus far.
Bao, Jean J   +5 more
core   +1 more source

Conduction of activity between muscles in the terminal region of the common bile duct and in the neighboring duodenum [PDF]

open access: yes, 1976
The relationship between muscle activity at the terminal region of the common bile duct and the duodenal muscle was examined in rabbits. The rhythmic muscle activity in the terminal region was synchronous with duodenal muscle activity.
Fukuda, Hiroyuki, Nakayama, Sosogu
core   +1 more source

Gastric perforation and pancreatitis manifesting after an inadvertent nissen fundoplication in a patient with superior mesenteric artery syndrome. [PDF]

open access: yes, 2009
Superior mesenteric artery (SMA) syndrome is an uncommon but well-recognized clinical entity. It can lead to proximal small bowel obstruction and severe morbidity and mortality in lieu of late diagnosis and concomitant existing comorbidities. We report a
Estrada, JJ   +5 more
core   +3 more sources

Gastric duplication in infants

open access: yesZaporožskij Medicinskij Žurnal, 2018
Clinicians pay close attention to the questions related to the diagnosis and treatment tactics of stomach defects with its obstruction in view of their stable frequency and lack of consensus on these diseases development mechanisms.
O. V. Spakhi   +4 more
doaj   +1 more source

Pseudomelanosis Duodeni Appearing after Oral Iron Therapy

open access: yesCase Reports in Gastroenterology, 2021
Pseudomelanosis duodeni is a rare condition characterized by the endoscopic appearance of diffuse dark pigmentation of the duodenal mucosa. It is typically seen in older women and has been reported to be associated with hypertension, chronic renal ...
Yuichiro Hirai, Hideki Mori, Ai Fujimoto
doaj   +1 more source

Involvement of UDP-Glucuronosyltransferases and Sulfotransferases in the Excretion and Tissue Distribution of Resveratrol in Mice. [PDF]

open access: yes, 2017
Resveratrol is a naturally occurring polyphenolic compound with various pharmacological activities. It is unknown whether the expression of metabolizing enzymes correlates with resveratrol levels in organs and tissues.
Brenner, Stefan   +8 more
core   +2 more sources

Duodenal carcinoid tumour – a case report [PDF]

open access: yes, 2020
Duodenal carcinoids are rare tumours of the small intestine with heterogenous clinical and pathological characteristics. The long-term prognosis is very good if discovered in the early stages.
Alexescu, Teodora Gabriela   +7 more
core   +2 more sources

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