Items tagged “terminology”
19 results found
Cervical incompetence refers to a painless spontaneous dilatation of the cervix and is a common cause of second trimester pregnancy failure. Epidemiology The estimated incidence varies geographically and generally thought to be around 1-1.5% of all pregnancies 1,15. Clinical presentation Typ...
Sprain refers to injury of ligaments and capsules and should not be confused with strain which refers to injury to muscles and their tendons. These terms should not be used interchangeably. Grading Some authors classify sprain into the following grades grade 1: stretching +/- minimal tearing...
Strain refers to injury of muscles and tendons and should not be confused with sprain which refers to injury to ligaments and capsules. One way to remember the distinction is that strain (with a T) is for tendons (which attach to muscle). These terms should not be used interchangeably lest you ...
A Rokitansky nodule or dermoid plug refers to a solid protuberance projecting from an ovarian cyst in the context of mature cystic teratoma. It often contains calcific, dental, adipose, hair, and/or sebaceous components 1. This region has the highest propensity to undergo malignant transformatio...
The interlobular septa (sing: septum) are located between the secondary pulmonary lobules and are continuous with both the subpleural interstitium (peripheral connective tissue) and the peribronchovascular interstitium (axial connective tissue) as well as the more delicate intralobular septa. T...
The intralobular septa (sing: septum) are delicate strands of connective tissue separating adjacent pulmonary acini and primary pulmonary lobules. They are continuous with the interlobular septa which surround and define the secondary pulmonary lobules. See also HRCT terminology
Pulmonary acinus is commonly defined as the portion of lung distal to a terminal bronchiole and supplied by a ﬁrst-order respiratory bronchiole or bronchioles 1. Each secondary pulmonary lobule usually contains 3-12 acini, and adjacent acini are separated by incomplete intralobular septae. Se...
The centrilobular region, in context of the lungs and HRCT, refers to the central portion of the secondary pulmonary lobule, around the central pulmonary artery and bronchiole. See also HRCT terminology
Pulmonary parenchymal bands
Parenchymal bands are a HRCT finding. They can be commonly encountered among patients with asbestosis. They are typically over 2 cm in length (up to 5 cm), 1-3 mm thick and run through the lung parenchyma and usually extend from a visceral pleural surface 6. They are formed in a number of ways ...
The corpus luteum (plural: corpora lutea) is a temporary endocrine structure involved in ovulation and early pregnancy. During ovulation, the primary follicle forms the secondary follicle and subsequently the mature vesicular follicle. At ovulation the follicle ruptures expelling the ovum into...
Cervical stenosis (disambiguation)
The term cervical stenosis can refer to: stenosis of the uterine cervix bony cervical canal stenosis (cervical spinal stenosis)
Fracture-a-la-signature (skull fracture)
Fracture-a-la-signature (or signature fracture) is another term used to described a depressed skull fracture. Fracture-a-la-signature derives its name from forensic medicine because the size and shape of a depressed skull fracture may give information on the type of weapon used. It can be a si...
Bone terminology diagram
Diagnosis not applicable
Published 17 Jun 2014
Radiographic positioning terminology
Radiographic positioning terminology is used routinely to describe the position of the patient for taking various radiographs. Standard nomenclature is employed with respect to the anatomic position. Terminology Basic terms of relations anterior is towards the front of the body (Latin: before...
The Terminologia Anatomica (TA) is the global standard for correct gross anatomical nomenclature in humans 1. The second edition was published in 2011 4. The standard anatomical terms are from Latin and Ancient Greek roots. The English edition of the Terminologia Anatomica provides the accepte...
Modality is the term used in radiology to refer to one form of imaging e.g. CT scanning. It is often used in the plural form, e.g. various modalities can be employed to evaluate this liver lesion. More generally, in clinical medicine, the term modality is used for different types of procedures ...
The term pathognomonic in radiology, as well as clinical medicine in general, refers to a finding or a sign that is only found in a single specific condition or specific group of conditions, i.e. the finding has 100% specificity. Thus by implication, a pathognomonic finding cannot and does not h...
Gamuts in radiology refer to the complete list of differential diagnoses for any radiological finding. We include gamut as a category for articles on Radiopaedia.org to cover sections which cover multiple diagnoses, findings or systems. History and etymology According to Maurice Reeder, writi...
Interstitial lung abnormality
An interstitial lung abnormality (ILA) is an imaging descriptor often encapsulating several imaging patterns of increased lung density / attenuation detected on chest CT scans in patients with no prior or established history of interstitial lung disease. Terminology It is considered a relative...