469 results
Article
CT abdomen (summary)
This is a basic article for medical students and other non-radiologists
CT abdomen is an increasingly common investigation that is used to help make diagnoses of a broad range of pathologies. A CT abdomen in its simplest form is a CT from diaphragm to symphysis pubis performed 60 seconds after ...
Article
Scaphoid abdomen
Scaphoid abdomen is the term given to an inward concavity of the anterior abdominal wall. It is used both for the clinical appearance and its radiological equivalent.
In children it maybe a sign of congenital diaphragmatic hernia. In both adult and pediatric patients, it raises the possibility...
Article
US abdomen (summary)
This is a basic article for medical students and other non-radiologists
Ultrasound abdomen is one of the tests that is commonly used in the assessment of patients with abdominal pain. It is particularly useful for the assessment of solid organs and fluid-filled structures.
Reference article
T...
Article
Virgin abdomen
Virgin abdomen is used to describe the abdomen of a patient who has never had any surgical procedure on their abdomen. It is usually used in the context of someone presenting with an acute small bowel obstruction and whether adhesions might be the underlying etiology.
The conventional wisdom be...
Article
Gasless abdomen
A gasless abdomen refers to a paucity of gas on abdominal radiography, and the specific cause can usually be identified when the patient's history is known. Common causes include:
proximal obstruction: gastric outlet obstruction, esophageal atresia
small bowel obstruction
bowel ischemia
asci...
Article
Abdomen (KUB view)
The kidneys, ureters, bladder (KUB) radiograph is optimized for assessment of the urogenital system, and should not be confused with the AP supine abdomen view. However, in cases where the patient may have both gastrointestinal and urogenital abnormalities, all pathologies will still be reported...
Article
Seatbelt sign (abdomen)
The seatbelt sign is both a clinical and radiological sign. It is simply the presence of ecchymosis and/or abraded skin in the distribution of a seatbelt (i.e. horizontal and/or diagonal) extending across the abdomen evident after a motor vehicle accident.
Epidemiology
A positive abdominal sea...
Article
Abdomen radiograph (pediatric)
The abdomen radiograph is a commonly requested examination in the pediatric patient. Children that present for abdominal x-rays are often very unwell, therefore specialized techniques and appropriate communication are essential for gaining the child's cooperation.
Indications
Performing abdom...
Article
General topography of the abdomen
To facilitate clinical description, the general topography of the abdomen is divided into four quadrants or nine regions by lines on the surface of the anterior abdominal wall. The four quadrants are created by vertical and horizontal lines passing through the umbilicus, whereas the nine regions...
Article
Abdomen (oblique view)
AP oblique supine radiograph is a projection often used in barium studies and foreign body localization.
Indications
This view is normally performed when localizing foreign bodies or lines within the abdominal cavity. Additionally, the oblique abdominal series can be utilized in the assessment...
Article
Transverse view of abdomen
A transverse abdominal view is one of the standard views on fetal echocardiography and is very useful for assessing situs abnormalities. In case of situs solitus (normal situs), the stomach is on the left and liver on the right. The descending aorta lies anterior and to the left of the spine whi...
Article
Abdomen (PA erect view)
The PA erect abdominal radiograph is often obtained in conjunction with the AP supine abdominal view in the acute abdominal series of radiographs.
The erect abdominal radiograph has virtually disappeared from clinical practice in the United Kingdom, with studies dating back to the 1980s affirmi...
Article
Abdomen (AP supine view)
The AP supine abdominal radiograph can be performed as a standalone projection or as part of an acute abdominal series, depending on the clinical question posed, local protocol and the availability of other imaging modalities.
Indications
This view is useful in assessing abdominal pathologies,...
Article
Abdomen (PA prone view)
The PA prone radiograph is rarely performed and is often utilized when a patient is unable to lay supine. The projection is adequate for the examination of the abdominal cavity, however, not as practical for the renal structures due to magnification.
Indications
This view is useful in visualiz...
Article
Pediatric abdomen (invertogram view)
The invertogram view is an additional projection to demonstrate the pediatric abdomen and is often used exclusively in characterizing anal atresia. However, as this view may be less comfortable for the patient and result in a more technically challenging examination, a more ideal alternative tec...
Article
Abdomen (dorsal decubitus view)
The dorsal decubitus view is a supplementary projection often replacing the lateral decubitus view in the context of an unstable patient who is unable to roll nor stand. Used to identify free intraperitoneal gas (pneumoperitoneum). It can be performed when the patient is unable to be transferred...
Article
Medical devices in the abdomen and pelvis
Medical devices in the abdomen and pelvis are important to be recognized, just like medical devices of the chest. We often ignore these devices, considering them to be incidental and non-pathological, however it is essential to be aware of potential complications.
Gastrointestinal devices
tube...
Article
Molar tooth sign (abdomen)
The abdominal molar tooth sign refers to the appearance of contrast media which has spilled out of the urinary bladder on CT cystography after extraperitoneal bladder rupture.
Contrast flows out of the ruptured bladder, occupying the preperitoneal cavum Retzii and surrounds the bladder in the s...
Article
Dog ear sign (abdomen)
The dog ear sign represents the presence of fluid or blood in the pelvic peritoneal recess on a supine abdominal radiograph. The appearance of the sign comes from a convex soft-tissue density representing fluid or blood in the lateral pelvic peritoneal recess separated from the bladder by a thin...
Article
Abdomen (lateral decubitus view)
The lateral decubitus abdominal radiograph is used to identify free intraperitoneal gas (pneumoperitoneum). It can be performed when the patient is unable to be transferred to, or other imaging modalities (e.g. CT) are not available. The most useful position for detecting free intraperitoneal ai...
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