Search results for “abdominal ct ”
1,203 results found
Article
Peritoneal to abdominal height ratio (PAR)
Peritoneal to abdominal height ratio (PAR) ≥0.52 is a statistically associated sign for raised intra-abdominal pressure >12 mmHg in the context of abdominal compartment syndrome in critically ill patients in CT.
It can be calculated by dividing the distance from the linea alba to the posterio...
Article
Hinchey classification of acute diverticulitis
The Hinchey classification for acute diverticulitis (anywhere along the bowel, not just the colon) has been variously adapted and modified since its original description, and is useful not only in academia but also in outlining successive stages of severity 3,5,6. Adoption and utility of the va...
Case
Incidental pulmonary embolism
Published
04 Aug 2020
100% complete
CT
Article
Mesenteric ischemia
Mesenteric ischemia, also commonly referred to as bowel or intestinal ischemia, refers to vascular compromise of the bowel and its mesentery that in the acute setting has a very high mortality if not treated expediently. Mesenteric ischemia is far more commonly acute than chronic in etiology. Th...
Article
Abdominal x-ray (summary)
This is a basic article for medical students and other non-radiologists
Abdominal radiographs can be a useful examination, but you need to think about the question you are asking before getting the test. Before the advent of computerized tomography (CT) imaging, it was a primary means of invest...
Article
Gastro-esophageal reflux disease (summary)
This is a basic article for medical students and other non-radiologists
Gastric-esophageal reflux disease (GERD) is a spectrum of disease that occurs when gastric acid refluxes into the lower esophagus
Reference article
This is a summary article; read more in our article on gastro-esophageal ...
Article
Investigating abdominal pain (summary)
This is a basic article for medical students and other non-radiologists
Investigating abdominal pain is a common request from clinical teams throughout most hospitals. Causes of abdominal pain are vast and as such, appropriate history and examination are necessary to initiate appropriate initia...
Article
Sarcoidosis (abdominal manifestations)
Sarcoidosis is a systemic inflammatory disease of unknown origin characterized by the formation of non-caseating granulomas. Virtually any organ system may be involved. Although less common than pulmonary and mediastinal disease, abdominal sarcoidosis can mimic more common infectious or neoplast...
Case
Post-meningococcal splenic infarction
Published
02 Mar 2021
98% complete
CT
Ultrasound
Article
Acute appendicitis
Acute appendicitis is an acute inflammation of the vermiform appendix. It is a very common condition in general radiology practice and is one of the main reasons for abdominal surgery in young patients. CT is the most sensitive modality to detect appendicitis.
Terminology
Acute appendicitis (p...
Case
Acute pancreatitis
Published
16 Jul 2020
95% complete
CT
Question
Question 1619
This 65-year-old woman presents with acute chest pain, mild troponin elevation and normal ECG. A thoraco-abdominal contrast-enhanced CT scan is performed. What is the most likely diagnosis?
Article
Sentinel loop
A sentinel loop is a short segment of adynamic ileus close to an intra-abdominal inflammatory process. It is usually identified on abdominal radiography 4 and CT 3.
The sentinel loop sign may aid in localizing the source of inflammation. For example, a sentinel loop in the upper abdomen may ind...
Question
Question 2470
A 50-year-old woman presents with upper abdominal pain and undergoes CT of the abdomen and pelvis. There is a cystic lesion in the pancreas with no septations or enhancement, and a visible connection to the normal caliber pancreatic duct. What is the most likely diagnosis?
Article
Appendicitis (summary)
This is a basic article for medical students and other non-radiologists
Appendicitis occurs when there is inflammation of the vermiform appendix. It is a very common condition and is a major cause of abdominal surgery in young patients. CT is the most sensitive modality to detect appendicitis a...
Article
Heterotaxy syndrome
Heterotaxy syndromes refer to abnormal left/right distribution of thoracic and abdominal organs that is neither situs solitus nor situs inversus. They are frequently associated with congenital heart disease and other visceral abnormalities.
Terminology
Isomerism implies mirrored organs, and ca...
Article
Cesarian scar endometriosis
Cesarian scar endometriosis can be located in the skin, subcutaneous tissue, rectus muscle/sheath, intraperitoneally, or in the uterine myometrium (within uterine scar).
Epidemiology
The reported incidence of abdominal scar endometriosis following cesarean section is 0.03-0.6% 6.
Clinical pre...
Article
Segmental arterial mediolysis
Segmental arterial mediolysis (SAM) is an increasingly recognized vascular disease of the middle-aged and elderly and a leading cause of spontaneous intra-abdominal hemorrhage. It is characterized by fusiform aneurysms, stenoses, dissections and occlusions within splanchnic arterial branches. Im...
Article
Transcatheter aortic valve implantation (TAVI)
Transcatheter aortic valve implantation or replacement (TAVI/TAVR) is a technique to replace the aortic valve through a transvascular or transapical approach. Compared to traditional open aortic valve replacement with sternotomy and a heart-lung bypass machine, the TAVI technique is less invasiv...
Article
Bile duct injury
Bile duct injuries are a potentially serious surgical problem associated with high morbidity, mortality, and prolonged hospitalization 1,2. These injuries typically occur infrequently as a complication of technically difficult laparoscopic cholecystectomy procedures or in the setting of hepatobi...
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