Articles

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More than 200 results
Article

Zone classification of extensor tendon injury

The zone classification of extensor tendon injuries divides injuries into zones based on anatomical location. The zone classification is proposed to guide the management of these injuries and predict possible outcomes. Classification Flexor tendon injuries were initially classified into eight...
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Le Fort fracture classification

Le Fort fractures are fractures of the midface, which collectively involve separation of all or a portion of the midface from the skull base. In order to be separated from the skull base, the pterygoid plates of the sphenoid bone need to be involved as these connect the midface to the sphenoid b...
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Gartland classification of supracondylar humeral fractures

The Gartland classification of supracondylar fractures of the humerus is based on the degree and direction of displacement, and the presence of intact cortex. It applies to extension supracondylar fractures rather than the rare flexion supracondylar fracture. Classification type I: undisplaced...
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Nerve injury classification (MRI)

Nerve injury classification describes the various features of nerve injury on MRI with respect to pathological events. Classification neuropraxia grade I: there is increased T2/STIR signal in the nerve, however, the muscle appears normal recovery occurs within a few days to 3 months axono...
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ASAS classification criteria - active sacroiliitis on MRI

The Assessment in SpondyloArthritis International Society (ASAS) classification criteria, published in 2009 1 with the revised 2016 consensus definition of a positive MRI (i.e. active sacroiliitis) still in use in 2019 6, utilizes imaging features of the sacroiliac joints on x-ray and MRI as one...
Article

FIGO classification system for uterine leiomyoma

The FIGO classification system for uterine leiomyoma (fibroids) classifies uterine leiomyomas based on location. Usage This classification system was developed for clinical and research purposes 2, however, in clinical use, there is significant variation in agreement 3. Classification Submuc...
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Sanders CT classification of calcaneal fracture

The Sanders classification system is used to assess intraarticular calcaneal fractures, which are those involving the posterior facet of the calcaneus. This classification is based on the number of intraarticular fracture lines and their location on semicoronal CT images. This classification is ...
Article

Salter-Harris type III fracture

Salter-Harris type III fractures are an uncommon, intraarticular fracture physeal fractures that occur in children.  The fracture line is often obliquely oriented through the epiphysis to the physis where it will take a horizontal orientation extending to the edge of the physis.  The prognosis...
Article

Bado classification of Monteggia fracture-dislocations

The Bado classification is one of the more widely used classifications for Monteggia fracture-dislocations and mainly focuses on the radial component. Four types are recognized and are generally based on the principle that the direction in which the apex of the ulnar fracture points is the same ...
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Edinburgh criteria for lobar intracerebral hemorrhage associated with cerebral amyloid angiopathy

The Edinburgh criteria were proposed in 2018 in order to diagnose lobar intracerebral hemorrhage associated with cerebral amyloid angiopathy (CAA) 1. They can potentially be used to rule CAA-associated lobar hemorrhage either in or out, but require external validation in other patient population...
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Capsulolabral insertion classification

Capsulolabral insertion classification reflects the variation in the relationship between the glenoid labrum and the attachment of the anteroinferior shoulder joint capsule. Classification This classification was originally described by Mosely and Övergaard in 1962 on cadavers 3 but has since ...
Article

Lugano staging classification

The Lugano staging classification is the lymphoma staging system that is most commonly used in clinical practice. The categories for initial staging are defined in this article. See separate articles for the Lugano criteria for response assessment by PET-CT or by CT alone, as well as guidelines ...
Article

Sugaya classification

The Sugaya classification is a 5-point system used to evaluate rotator cuff repair. Usage The Sugaya classification is the most common system used to evaulate rotator cuff repair 2 although intra- and inter-observer reproducibility is variable 3,4.  Classification The Sugaya classification a...
Article

Fisher scale

The Fisher scale is the initial and best-known system of classifying the amount of subarachnoid hemorrhage on CT scans, described in 1980 4. Its primary use was in predicting the occurrence and severity of cerebral vasospasm, highest in grade 3 2,4.  Usage Although it is known as a scale, fro...
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ARCO classification of femoral head osteonecrosis

The ARCO classification (Association Research Circulation Osseous classification) is one of the staging systems used to assess femoral head osteonecrosis. It was created in 1994 and periodically revised. The revision from 2019 2 includes using radiographs and MRIs. Classification stage 0 ​pla...
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Singh index

The Singh index is a classification system for bone density of the femoral neck based on the visibility of the trabecular types that can be seen in the femoral neck. Trabecular types in proximal femur Five trabecular types can be present in the proximal part of the femur: principal compressio...
Article

LR2 cirrhosis-associated nodule

LR2 cirrhosis-associated nodules are defined as "probably benign" according to the LI-RADS classification system. They are a common finding in a cirrhotic liver and do not need to be mentioned in the report.  Radiographic features The nodule must demonstrate all of the following: diameter <20...
Article

Tumors of the meninges (differential)

Tumors of the meninges are a heterogeneous group of lesions which usually occur as extra-axial masses.  Although a large number of lesions that can involve meninges are scattered throughout the  WHO classification of CNS tumors, the main entities to be considered include:  meningioma and numero...
Article

WHO classification of eye tumors

The World Health Organizatiοn (WHO) classification of eye tumors is a widely used pathologic classification system of neoplasms of the orbit. The revision, part of the 4th edition of the WHO series, was published in 2018 and is reflected in the article below 1. Classification Tumors of the con...
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Bailey classification of second branchial cleft cysts

The Bailey classification of second branchial cleft cysts defines the anatomic location of second branchial cleft cysts in four categories, from superficial to deep. This classification was initially proposed by Bailey in 1929 2 and remains the most widely used classification system because it g...

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