Items tagged “stomach”
21 results found
Article
Antral nipple sign (pyloric stenosis)
The antral nipple sign refers to redundant pyloric mucosa protruding into the gastric antrum and is seen in hypertrophic pyloric stenosis on ultrasound examination.
See also
cervix sign (pyloric stenosis)
target sign (pyloric stenosis)
Article
Carney triad
Carney triad is a rare syndrome defined by the coexistence of three tumors:
extra-adrenal paraganglioma
initially, only functioning extra-adrenal paragangliomas were included, but subsequent work includes non-functioning extra-adrenal paragangliomas 1
gastric gastrointestinal stromal tumors (...
Article
Cervix sign (pyloric stenosis)
The cervix sign of pyloric stenosis describes the indentation of the pylorus into the fluid-filled antrum, seen in pyloric stenosis on ultrasound examination.
See also
antral nipple sign (pyloric stenosis)
target sign (pyloric stenosis)
Article
Gastric lymphoma
Gastric lymphoma may either represent secondary involvement by systemic disease or primary malignancy confined to the stomach.
Epidemiology
Gastric lymphoma represents the most common site of extranodal lymphoma, accounting for 25% of all such lymphomas, 50% of all gastrointestinal lymphomas...
Article
Pyloric stenosis
Hypertrophic pyloric stenosis (HPS) refers to the idiopathic thickening of gastric pyloric musculature which then results in progressive gastric outlet obstruction.
Epidemiology
Pyloric stenosis is relatively common, with an incidence of approximately 2-5 per 1000 births, and a male predilect...
Article
Target sign (pyloric stenosis)
The target sign of pyloric stenosis is a sign seen due to hypertrophied hypoechoic muscle surrounding echogenic mucosa, seen in pyloric stenosis. This is likened to a target.
See also
antral nipple sign (pyloric stenosis)
cervix sign (pyloric stenosis)
shoulder sign (pyloric stenosis)
Article
Gastro-esophageal junction
The gastro-esophageal junction (GEJ) (also known as the esophagogastric junction) is the part of the gastrointestinal tract where the esophagus and stomach are joined.
Gross anatomy
The GEJ is normally mostly intra-abdominal and is 3-4 cm in length. To some extent, the esophagus slides in and ...
Article
Omentum
An omentum is a double layer of peritoneum that attaches the stomach to another viscus:
the greater omentum hangs from the greater curvature of the stomach like an apron
the lesser omentum attaches the lesser curvature of the stomach to the liver superiorly
Gross anatomy
Greater omentum
The...
Article
Linitis plastica
Linitis plastica is a descriptive term usually referring to the appearance of the stomach, although the rectum can also be described this way. The appearance is said to be reminiscent of an old leather water bottle.
Pathology
The underlying cause is usually a scirrhous adenocarcinoma with diff...
Article
Shoulder sign (pyloric stenosis)
The shoulder sign of pyloric stenosis is seen during barium examination and refers to the bulging of the hypertrophied pyloric muscle into the lumen of the antrum.
It is closely related to the cervix sign (pyloric stenosis).
See also
cervix sign (pyloric stenosis)
target sign (pyloric steno...
Article
Double bubble sign (duodenum)
The double bubble sign is seen in infants and represents dilatation of the proximal duodenum and stomach. It is seen in both radiographs and ultrasound, and can be identified antenatally 2.
Pathology
Causes include 1,2:
congenital obstruction
duodenal web
duodenal atresia
...
Article
Scleroderma (gastrointestinal manifestations)
Gastrointestinal manifestations of scleroderma can occur in up to 90% of patients with scleroderma 2 with the most common site of gastrointestinal involvement being the esophagus. After skin changes and Raynaud phenomenon, gastrointestinal changes are the third most common manifestation of scler...
Article
Gastric adenocarcinoma
Gastric adenocarcinoma, commonly, although erroneously, referred to as gastric cancer, refers to a primary malignancy arising from the gastric epithelium. It is the most common gastric malignancy. It is the third most common GI malignancy following colon and pancreatic carcinoma.
Epidemiology
...
Article
Gastroduodenal artery
The gastroduodenal artery (GDA) is a terminal branch of the common hepatic artery which mainly supplies the pylorus of the stomach, proximal duodenum, and the head of the pancreas. Due to its proximity to the posterior wall of the first part of the duodenum, the gastroduodenal artery is one of t...
Article
Gastric diverticulum
Gastric diverticula are sac-like projections that usually originate from the gastric fundus, most commonly on the posterior surface. They are the least common of the gastrointestinal diverticula.
Epidemiology
Gastric diverticula are rare and commonly detected incidentally. The incidence varie...
Article
Juvenile polyposis syndrome
Juvenile polyposis syndrome, also referred as familial juvenile polyposis, is one of the polyposis syndromes and consists of hundreds of juvenile polyps.
Epidemiology
Presentation in the second decade is most common 2.
Clinical presentation
Rectal bleeding, bowel obstruction and intussuscept...
Article
Areae gastricae
Areae gastricae are a normal finding on double contrast images of the stomach.
Radiographic features
fine reticular network of barium-coated grooves between 1-5 mm islands/areas of gastric mucosa
may be seen in ~70-80% of patients if there is adequate high-density barium coating of the stomac...
Article
Gastric antral web
Gastric antral webs are a ring of mucosa in the distal stomach (gastric antrum) that can lead to gastric outlet obstruction. A circumferential ring of mucosa has also been termed a "gastric antral diaphragm".
Epidemiology
Gastric antral webs are rare. There is an association with trisomy 21 an...
Article
Magenstrasse
The term magenstrasse refers to a tubular portion of the stomach adjacent to the lesser curve of the stomach. It is a favored route by food, fluids and drugs as they flow from the cardia/fundus to the gastric outlet 1.
Magenstrasse is an old German anatomical term that has come back into common...
Article
Single contrast upper GI technique
Single contrast upper GI technique is a method of imaging the esophagus, stomach, and duodenum with fluoroscopy. "Single contrast" refers to imaging with barium or water-soluble contrast only, without the addition of effervescent granules.
Indications
The single contrast upper GI study may be ...
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