Items tagged “stub”
1,311 results found
Article
Prostate-seminal vesicle angle
The prostate-seminal vesicle angle (also known as the prostatoseminal angle 1) refers to the acute angle posterolaterally between the prostate gland and respective seminal vesicle on each side. The angle is visible due to the periprostatic fat lying between the two structures. The angle is appre...
Article
Inverted papilloma of the urinary tract
Inverted papillomas of the urinary tract are rare, benign tumors that most commonly occur at the bladder neck or trigone and are characterized by an inverted growth pattern on histology 1.
Article
Dupuytren fracture
Dupuytren fracture is an eponymous name (although not widely used in the English-speaking medical world) for an injury originally described as a mid-distal fibular fracture occurring above the syndesmosis with diastasis 1 but now refers to that fracture pattern with various other injuries:
medi...
Article
Hollenhorst plaque
Hollenhorst plaques are seen on clinical examination of the retina and are the result of cholesterol emboli at the retinal arteriole bifrication 1. They most commonly originate from the carotid or aortic atheroscleroritc plaque 2. Hollenhorst plaques are a a risk factor for ischemic stroke and a...
Article
Enteric nervous system
The enteric nervous system (ENS) is a general term that refers to the vast network of neurons that supply the gastrointestinal system. It is part of the autonomic nervous system and allows the gastrointestinal system to act independently from the brain and spinal cord.
Article
Pericallosal cistern
The pericallosal cistern is an unpaired subarachnoid cistern containing the pericallosal artery. It lies between the superior surface of the corpus callosum and the inferior edge of the falx cerebri and extends from the genu to the splenium of the corpus callosum 1-3.
Article
Perugini grading scale
The Perugini grading scale is a semi-quantitative method of scoring cardiac uptake following injection of 99mTc-DPD, 99mTc-Pyrophosphate or 99mTc-HMDP scintigraphy in the investigation of cardiac amyloidosis (particularly ATTR amyloidosis). The grading scale visually compares tracer uptake in th...
Article
Gastrointestinal leiomyoma (overview)
Gastrointestinal leiomyomas are smooth muscle tumors without malignant potential that may develop in any part of the gastrointestinal system:
esophageal leiomyoma
gastric leiomyoma
small bowel leiomyoma
colonic leiomyoma
Article
Enteric duplication cyst
Enteric duplication cyst is a broad term for a number of congenital cystic lesions that arise along the gastrointestinal tract. Please see individual articles for further information:
foregut duplication cyst
midgut duplication cyst
tailgut duplication cyst
See also
fetal enteric d...
Article
Isolated diffuse ground-glass opacification
Isolated diffuse ground-glass opacification/opacity (GGO) has a relatively well-defined differential diagnosis although this remains broad and clinical correlation, like many respiratory diseases, is key to diagnosis.
Differential diagnosis
Miller et al. have described the following different...
Article
Hypoattenuated leaflet thickening
Hypoattenuated leaflet thickening (HALT) is an imaging feature seen on cardiac CT in the setting of subclinical leaflet thrombosis of prosthetic heart valves.
In the setting of surgical or transcatheter aortic valve replacement (TAVR), the evaluation for hypoattenuated leaflet thickening should...
Article
Venous lake (disambiguation)
The term venous lakes may refer to:
cutaneous venous lakes, often occurring on the lower lip 1
osseous venous lakes occurring in the skull 2
placental (venous) lakes 3
Article
Rhabdomyoma
Rhabdomyomas are rare benign mesenchymal tumors that can be classified as:
cardiac rhabdomyoma
extracardiac (non-cardiac) rhabdomyoma
adult rhabdomyoma
fetal rhabdomyoma
genital rhabdomyoma
Article
Splenic histoplasmosis
Splenic histoplasmosis can manifest with splenomegaly and splenic hypoattenuation. It is more common in immunosuppressed patients (e.g. HIV/AIDS), particularly in endemic areas (e.g. central USA) 1,2. Healed splenic histoplasmosis is one of the causes of diffuse splenic calcifications 2.
See a...
Article
Billroth I reconstruction
Billroth I is a type of surgical reconstruction that has been performed after partial gastrectomy, usually in the setting of tumor or ulcer resection.
The key feature of a Billroth I reconstruction is the formation of an end-to-end anastomosis between the proximal remnant stomach and duodenal s...
Article
Edge of film error
Edge of film errors, also known as corner of film errors, are a classical perceptual error in radiology where a pertinent finding, whether incidental or not, is at the margin or edge of the image.
It is now used for all modalities, in both a literal sense, i.e. actually at the edge of the image...
Article
Coal mine dust lung disease
Coal mine dust lung disease encompasses a number of occupational lung diseases 1,2:
coal workers' pneumoconiosis (CWP)
mixed dust pneumoconiosis
silicosis
dust-related diffuse fibrosis
chronic obstructive pulmonary disease (COPD)
Article
British Society of Thoracic Imaging
The British Society of Thoracic Imaging (BSTI) is a learned society dedicated to representing those radiologists in the UK and Ireland with a special interest in imaging of the chest. It was founded in 2003. Its current president is Graham Robinson.
Article
Embedded organ sign
The embedded organ sign is used to help localize a mass and define the organ from which it originates. When a mass extrinsically compresses an adjacent organ (such as inferior cava vein and gastrointestinal tract) it gives the organ a crescent shape, which is called a negative embedded organ si...
Article
Phantom organ sign
The phantom organ sign is a term used when a large mass arises from a small organ and as a consequence, it is impossible to detect the affected organ.
The identification of this sign and other radiological signs such as the embedded organ sign, beak sign, and prominent feeding artery sign on CT...
Unable to process the form. Check for errors and try again.