1,088 results found
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
Gastric varix
Gastric varices are an important portosystemic collateral pathway, occurring in ~20% of patients with portal hypertension. They are considered distinct from oesophageal varices in that they have a propensity to haemorrhage at comparatively lower portal pressures 1, and are also associated with h...
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
Gastric volvulus
Gastric volvulus is a specific type of volvulus that occurs when the stomach twists on its mesentery. It should be at least 180° and cause bowel obstruction to be called gastric volvulus. Merely gastric rotation on its root is not considered gastric volvulus.
Epidemiology
Organo-axial volvulus...
Article
Gastric metastases
Gastric metastases are rare, found in less than 2% of patients who die of a carcinoma 6.
Epidemiology
Usually affects the middle-aged and elderly population. Affects males and females equally without predilection.
Clinical presentation
The patient may be asymptomatic, but the most common sig...
Article
Gastric diverticulum
Gastric diverticula are sac-like outpouchings that most commonly originate from the posterior surface of the gastric fundus. They are the least common of the gastrointestinal diverticula.
Epidemiology
Gastric diverticula are rare and commonly detected incidentally. The incidence varies from 0...
Article
Gastric bubble
The gastric bubble is a radiolucent rounded area generally nestled under the left hemidiaphragm representing gas in the fundus of the stomach.
On a lateral radiograph, the gastric bubble is usually located between the abdominal wall and spine. It can be seen on chest or abdominal plain films. I...
Article
Gastric lipoma
Gastric lipomas are a location-specific subtype of gastrointestinal lipomas and represent a rare benign mesenchymal tumours of the stomach. They can be definitively diagnosed on CT.
Epidemiology
Gastric lipomas are rare, accounting for <5% of gastrointestinal lipomas and <1% of all gastric ne...
Article
Gastric malignancy
Gastric malignancy is the third most common cancer of the gastrointestinal tract. This article focuses on the general classification of ovarian tumours. For specific tumour features, please refer to the relevant subarticles.
gastric adenocarcinoma - most common gastric malignancy
gastric strom...
Article
Gastric leiomyoma
Gastric leiomyomas are rare benign mesenchymal tumours, usually asymptomatic and found incidentally.
Clinical presentation
Most leiomyomas are found incidentally in asymptomatic patients. Symptoms related to a gastric leiomyoma will depend on the tumour size, location, and presence/absence of...
Article
Gastric band
A gastric band is a popular form of bariatric surgery and is a surgically placed device, used to assist in weight loss and is adjustable.
Procedure
Performed laparoscopically, a silicone band device is placed around the stomach to reduce its volume. The band is adjustable via a port placed in ...
Article
Gastric cancer (summary)
This is a basic article for medical students and other non-radiologists
Gastric cancer, also known as stomach cancer or gastric carcinoma, refers to a cancer that arises from the mucosal lining of the stomach. It is the commonest gastric malignancy.
Reference article
This is a summary article...
Article
Gastric polyps
Gastric polyps are uncommon findings, even on endoscopy where they are encountered in only 2-6% of patients.
Pathology
There are a number of gastric polyp subtypes 1-3:
non-neoplastic polyps
hyperplastic polyps
virtually no malignant potential
typically small (<1 cm), multiple, and sessil...
Article
Gastric emphysema
Gastric emphysema, referring to the presence of gas in the wall of the stomach, is a relatively rare imaging finding 1. The stomach is the least common location for intramural gas in the gastrointestinal tract.
Pathology
Aetiology
There is a wide range of causes, ranging from life-threatenin...
Article
Gastric pacemaker
Gastric pacemakers are electrical sitmulation devices implanted for the treatment of gastroparesis and obesity.
Either via laparoscopy or laparotomy electrodes are implanted in the desired location, a pulse generator is placed subcutaneously usually in the right upper quadrant of the abdomen. C...
Article
Gastric duplication cyst
Gastric duplication cysts are rare congenital foregut duplication cysts affecting the stomach. Gastrointestinal tract duplication cysts (GTDCs) most commonly affect the ileum, followed by the oesophagus, large bowel, and jejunum; gastric location accounts for less than 10% of all gastrointestina...
Article
Gastric band erosion
Gastric band erosion or penetration is a potentially serious complication following laparoscopic gastric band surgery for obesity.
Epidemiology
Gastric band erosion is a delayed complication observed in between 0.3-14% of patients 1,2.
Clinical presentation
Patients often present non-specif...
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
Gastric band malposition
Gastric band malposition is an early complication from laparoscopic gastric band procedures which are performed for obesity. It can occur as in isolation or with other gastric band complications.
As surgical experience of laparoscopic gastric banding has accumulated, it has become a relatively ...
Article
Left gastric vein
The left gastric vein (also known as the coronary vein) drains both the anterior and posterior gastric walls. It forms a loop with the right gastric vein at the lesser curvature of the stomach. The left gastric vein travels in the lesser omentum to drain in the portal vein. It also communicates ...
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