Items tagged “cases”
5,517 results found
Article
Ascitic fluid cholesterol level
Ascitic fluid cholesterol level estimation is a simple and precise test for differentiating malignant ascites from non-malignant (cirrhotic) ascites 5-9.
Pathology
Ascites is the abnormal collection of fluid within the peritoneal cavity. Malignant ascites comprises ~10% and is usually seconda...
Article
Cardiac CT (an approach)
Cardiac CT can be a more or less frequent examination faced in daily practice also depending on the institution and the CT scanner technology available. With technological advances and improved dose reduction techniques in the last decade, cardiac CT has become increasingly popular.
What is pre...
Article
Hypoplastic right coronary artery
A hypoplastic right coronary artery refers to an underdeveloped or small-sized right coronary artery (RCA) with a narrowed lumen or a short course.
Epidemiology
Associations
Clinical conditions associated with a hypoplastic right coronary artery include 1,2:
left coronary arterial dominanc...
Article
Prepulmonic coronary course
A prepulmonic course refers to a coronary artery course anterior to the right ventricular outflow tract or main pulmonary artery and is considered a ‘benign course’.
Epidemiology
Associations
Clinical conditions associated with a prepulmonic course of a coronary artery include 1-4:
oth...
Article
Retroaortic coronary course
A retroaortic course refers to a coronary artery taking its route posteriorly between the non-coronary sinus and the interatrial septum and is considered a ‘benign anomalous course’.
Epidemiology
Associations
Clinical conditions associated with a retroaortic course of a coronary artery includ...
Article
Transseptal coronary course
A transseptal, intraseptal or subpulmonic course refers to a coronary artery passing anteriorly and inferiorly to the aortic valve in a subpulmonic route through the interventricular septal myocardium and is mostly described as a ‘benign anomalous course’ without hemodynamic significance.
Epide...
Article
Venae cavae
In human anatomy, the venae cavae is the collective term for the main venous great vessels that return deoxygenated blood to the right heart from the venous side of the systemic circulation, i.e. the superior vena cava (SVC) and inferior vena cava (IVC). Both venae cavae do not contain any valve...
Article
Anomalous aortic origin of coronary artery
Anomalous aortic origin of coronary artery (AAOCA) refers to a congenital coronary artery anomaly in which a coronary artery arises from a different coronary sinus.
Terminology
Anomalous origin of the coronary artery arising from the opposite sinus (ACAOS) is a narrower definition and refers t...
Article
Dual right coronary artery
Dual or split right coronary artery also known as duplication of the right coronary artery is a congenital coronary artery anomaly of intrinsic coronary anatomy in which the right coronary artery is divided into two branches early.
Epidemiology
This is very common if not the most common corona...
Article
Bucket handle mesenteric injury
Bucket handle mesenteric injuries are avulsions of the mesentery off a bowel segment (the handle) due to shearing forces in blunt trauma to the bowel and mesentery. Laceration of the mesenteric vessels results in intestinal ischemia.
Clinical presentation
The most common mechanism of injury in...
Article
Coronary hypoplasia
Coronary hypoplasia or hypoplastic coronary artery disease (HCAD) is a congenital coronary artery anomaly of intrinsic anatomy and can be defined as one or more coronary arteries being abnormally small or underdeveloped.
Epidemiology
Hypoplastic coronary artery disease is described as a rare c...
Article
Urethral glands of Littré
The urethral glands of Littré, often shortened to just the glands of Littré, and also known as the glands of Morgagni or intramural glands of the urethra (TA: glandulae urethrales masculinae), are small glands located in the mucosa of the anterior male urethra which secrete mucus.
Terminology
...
Article
Pleural pointillism
Pleural pointillism is multiple high signal regions on b=1000 diffusion-weighted imaging but not at lower b-values. It can be a reliable tool allowing differentiation of malignant from benign pleural lesions and can help guide biopsy 1-3. Its sensitivity is reported to be 93-100% and specificit...
Article
Atrioventricular septum
The atrioventricular (AV) septum or septal atrioventricular junction forms a central part of the heart, where the interatrial and interventricular septum crosses the atrioventricular annular plane and join with the septal tricuspid and anterior mitral leaflet attachments.
Terminology
On a four...
Article
Periportal halo sign (MRI)
The periportal halo sign on liver MRI is a specific sign of primary biliary cholangitis (formerly primary biliary cirrhosis) that is characterized by rounded low signal intensity around portal venous branches, 5-10 mm in size, on T1- and T2-weighted images. These lesions are usually numerous, in...
Article
Target sign (cholangiocarcinoma)
The target sign of cholangiocarcinoma refers to the appearance of intrahepatic mass-forming cholangiocarcinoma on DWI consisting of a centrally hypointense area and peripherally hyperintense rim. The presence of this sign favors cholangiocarcinoma over hepatocellular carcinoma. It is present in ...
Article
Particulate material pulmonary embolism
Particulate material pulmonary embolism (PE) is a type of non-thrombotic pulmonary embolism caused by a variety of non-organic particulate materials.
These can include
talc embolism
cement embolism: comprised of polymethyl methacrylate (PMMA)
iodinated oil embolism
metallic pulmonary embol...
Article
Subendocardial fat infiltration
Subendocardial fat infiltration is a finding that can be seen with thoracic and cardiac imaging. It forms a part of myocardial fat infiltration and can sometimes be seen in the setting of a long-gone myocardial infarction 1 especially if seen in the distribution territory of a coronary artery an...
Article
Winslow pathway
The Winslow pathway is a type of collateral vessel communication which connects the mammary arteries through the internal thoracic arteries to the inferior epigastric arteries and then into the external iliac arteries 3. It may recanalize in conditions such as aortoiliac occlusive disease 3. Thi...
Article
Common peroneal neuropathy
Common peroneal neuropathy, also known as fibular neuropathy is a nerve compression syndrome of the common peroneal nerve (CPN) at the level of the fibular head. It is the most common cause of spontaneous painless foot drop.
Clinical presentation
spontaneous painless foot drop
weak foot...
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