Items tagged “stub”
1,311 results found
Article
Ethmoid infundibulum
The ethmoid infundibulum is a curved cleft of the ethmoid bone which leads into the anterior portion of the hiatus semilunaris. It is part of the ostiomeatal complex and is bordered medially by the uncinate process and laterally by the orbital plate of the ethmoid. The infundibulum is often cont...
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BSBR breast imaging classification
The British Society of Breast Radiologists (BSBR) publish with the Royal College of Radiologists a standardized classification for breast imaging in the United Kingdom. The first edition in 2009 was based on findings from the RCR Breast Group (RCRBG) 1 with the current fourth edition published i...
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Scarpa fascia
Scarpa fascia is a membranous layer of superficial fascia that extends over the lower thoracic and anterior abdominal wall, anterior to the midaxillary lines. Here, fibrous septa of subcutaneous tissue are condensed beneath the fat into a thin but strong membrane. The fascia allows the subcutane...
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Ventriculogallbladder shunt
Ventriculogallbladder shunts, also known as ventriculocholecystic shunts 5, are a rarely employed form of cerebrospinal fluid diversion, used when a ventriculoperitoneal shunt is not possible (e.g. intra-abdominal adhesions, peritonitis).
Differential diagnosis
a ventriculoperitoneal shunt in ...
Article
Arthrofibrosis
Arthrofibrosis is a complication of injury or trauma to a joint. It can also be iatrogenic e.g. post knee surgeries. It consists of excessive scar tissue formation within the joint capsule, resulting in pain, stiffness, and swelling, which are greater than expected in the given clinical scenario...
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POPUMET
The Ionizing Radiation (Protection of Persons Undergoing Medical Examination or Treatment) Regulations 1988 were popularly known as the POPUMET regulations. They were the former legal regulations in the UK covering the protection of patients undergoing the use of ionizing radiation for diagnosti...
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Hypotympanum
The hypotympanum refers to the portion of the tympanic cavity lying inferior to the level of the inferior margin of the external acoustic canal (EAC).
Gross anatomy
The hypotympanum is the smallest of the three compartments that make up the tympanic cavity and is a shallow depression in the fl...
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Fornix (vagina)
The fornices are superior recesses of the vagina formed by the protrusion of the cervix into the vaginal vault. There is a large posterior fornix and a smaller anterior fornix with two small lateral fornices.
History and etymology
Fornix is Latin for 'arch'.
Article
Anlage
An anlage in biology refers to the primordial precursor of a tissue or organ, which is still recognisable as a collection of cells that will form that specific tissue.
The term is commonly used in medicine to refer to organs, such as the pancreas, when one is describing anatomical variants and ...
Article
Schuss view
(Lyon) Schuss views are PA weight-bearing knee radiographs taken in 20-30 degrees of flexion 1,2. They are a variant of the Rosenberg view. Several studies have shown them to be more sensitive to detecting early knee osteoarthritis than standard extension AP views 1, particularly of the lateral ...
Article
Doege-Potter syndrome
Doege-Potter syndrome is a paraneoplastic non-islet cell tumor hypoglycemia, secondary to a solitary fibrous tumor, most commonly pulmonary, secreting insulin-like growth factor-2 (IGF-2).
It is rare and more often found with higher grade solitary fibrous tumors 1-4.
Article
Raine syndrome
Raine syndrome, also known as lethal osteosclerotic bone dysplasia, is a very rare genetic disorder. Infants with this syndrome present with numerous characteristic craniofacial features as well as cerebral calcifications. Many individuals with this disorder are stillborn or die as neonates 4.
...
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Sternal defect (notch)
Focal sternal defect or notch is usually seen in the lower one-third of the body of the sternum in the posterior aspect. It has an incidence of 7.7% of the population 1. In some cases, it appears as recently closed or incomplete sternal foramen 2.
Article
Breast tissue markers
Breast tissue markers are a common finding in breast radiology. These are typically inserted following percutaneous biopsy, either under ultrasound or sterotactic guidance. They can be invaluable in identifying known benign areas or shrinking/treated malignant lesions on follow up imaging.
A nu...
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Trident sign (osmotic demyelination)
The trident sign (a.k.a. omega sign) describes the typical appearances of the pons in osmotic demyelination syndrome, whereby the symmetrical high T2/FLAIR signal abnormality centrally in the pons is shaped like a trident, the three-pronged spear of classical Greece 1. The predominant involvemen...
Article
Preoccipital notch
The preoccipital notch is an indentation approximately 5 cm in front of the occipital pole on the inferolateral border of the temporal lobe. It is a significant landmark as the occipital lobe lies behind the lateral parietotemporal line, joining the preoccipital notch and the parieto-occipital s...
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Cuneiform cartilage
The cuneiform cartilages are small, paired accessory laryngeal cartilages that reside in the aryepiglottic fold. They take the form of club-like nodules, visible as elevations beneath the mucosa (the cuneiform tubercle) anterosuperior to the corniculate cartilages. They do not directly articulat...
Article
Eosinophilic ureteritis
Eosinophilic ureteritis (and eosinophilic pyelouerteritis) is a rare cause of ureteral inflammation. The clinical presentation and imaging features are non-specific.
Clinical presentation
Patients are usually atopic or hypereosinophilic with peripheral eosinophilia.
Associated with eosinophil...
Article
Thimble bladder
Thimble bladder is a descriptive term for extreme fibrosis and contracture of the bladder walls, resulting in a tiny bladder. The term is usually used to describe changes from advanced genitourinary tuberculosis.
Article
Space of Parona
The space of Parona is a potential space in the distal forearm / volar wrist, deep to the flexor tendons. The space lies between the fascia of the pronator quadratus muscle and the flexor digitorum profundus tendon sheath.
Its radiologic relevance is that the space can act as a conduit for the ...
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