Articles

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538 results found
Article

Combined conduit score of sinovenous stenosis

The combined conduit score (CCS) is a grading scheme for the assessment of the degree of transverse-sigmoid sinus stenosis in the setting of idiopathic intracranial hypertension. The score was initially developed for ATECO MR venography 1. Parameters Assessment is performed using maximum inten...
Article

Shunt-dependency in symptomatic aneurysmal subarachnoid hemorrhage score

The shunt-dependency in symptomatic aneurysmal subarachnoid hemorrhage (SDASH) score is a harmonized score for the prediction of hydrocephalus requiring shunting after subarachnoid hemorrhage. The tool is employed in the acute phase to predict which patients will require shunting, rather than to...
Article

Osteochondritis dissecans (surgical staging)

Osteochondritis dissecans can be classified at surgery into 4 stages: stage I stable lesion in continuity with the host bone covered by intact cartilage stage II stable on probing partial discontinuity of the lesion from the host bone stage III unstable on probing fragment not dislocat...
Article

Ciliopathies

Ciliopathies refer to diseases due to malfunctioning cilia (singular: cilium). Cilia are organelles that are external extensions of the cell membrane. Cilia fall into two main types: primary (or immotile) cilia and motile cilia.  Clinical presentation Primary cilia are found in virtually every...
Article

VASARI MRI feature set

The VASARI (Visually AcceSAble Rembrandt Images) MRI feature set is a system designed to enable consistent description of gliomas using a set of defined visual features and controlled vocabulary. It is the result of work by The Cancer Imaging Archive (TCIA) who publish relevant guides to use, an...
Article

Elliott et al. classification of cardiomyopathies

The Elliott et al. classification system of cardiomyopathies is one of the cardiomyopathy classification systems. This was published by the European Society of Cardiology Working Group on Myocardial and Pericardial Diseases. This places emphasis on phenotypic classification 1-2. See also cardi...
Article

Cardiomyopathy

Cardiomyopathy is defined as a "disease of the myocardium with associated cardiac dysfunction" 1. It has been classified according to several systems: 1995 WHO/ISFC cardiomyopathy classification system Elliott et al. classification system: published by the European Society of Cardiology Workin...
Article

Berndt and Harty classification

Berndt and Harty classification is used for osteochondral lesions of the talus. Classification stage I: subchondral bone compression (marrow edema) stage II stage IIa: subchondral cyst stage IIb: incomplete separation of fragment stage III: complete separation but no displacement stage IV...
Article

Johansson classification

The Johansson classification of periprosthetic hip fractures was the first classification system proposed and is the simplest. It is based on the level of the fracture in relation to the prosthesis. type I: fracture proximal to the tip of the prosthesis with the stem still in contact with the m...
Article

Cooke and Newman classification

The Cooke and Newman classification of periprosthetic hip fractures is a modification of the Bethea classification proposed several years earlier. type I explosion type fracture, comminuted around the stem of the implant the prosthesis is always loose and the fracture is inherently unstable ...
Article

American Academy of Orthopedic Surgeons classification of periprosthetic hip fractures

The American Academy of Orthopedic Surgeons classification of periprosthetic hip fractures divides the femur into three separate regions: level I: proximal femur distally to the lower extent of the lesser trochanter  level II: 10 cm of femur distal to level I  level III: femur distal to level...
Article

Risk of malignancy index in ovarian tumors

The risk of malignancy index (RMI) in ovarian tumors is a validated clinical tool used for risk stratification of ovarian lesions, to guide further management 1-3. Classification The score incorporates the patient's menopausal status (M), ultrasound features of the lesion (U), and the serum CA...
Article

Posterior atrophy score of parietal atrophy

The posterior atrophy score, a.k.a. Koedam score, has been developed to enable visual assessment of parietal atrophy on MRI, and is useful in the assessment of patients with possible dementia, especially atypical or early onset Alzheimer's disease (see: neurodegenerative MRI brain: an approach) ...
Article

Chrispin-Norman scoring system for cystic fibrosis

The Chrispin-Norman score is used to provide a summative assessment of structural lung changes in patients with cystic fibrosis on plain chest radiographs. It is useful to monitor disease progression or treatment response and can be used to compare between different patients in research studies...
Article

Pediatric midface anomalies (classification)

This classification system based on the embryology and anatomy of the nasal cavity, nasofrontal region, and nasolacrimal apparatus as well as anomalies associated with craniofacial syndromes.2 Nasal cavity choanal atresia and stenosis pyriform aperture stenosis Nasofrontal region  conge...
Article

Nottingham classification

The Nottingham classification is used at the end of work up of a breast lesion to help guide management. A = malignant lesion needs surgical excision regardless of biopsy result B = indeterminate will accept a benign biopsy result, but only if it is congruent with imaging, i.e. a well circum...
Article

Tabar 5-tier grading system

The Tabar 5-tier grading system is used to classify mammographic lesions. This should not be confused with the Tabar classification of parenchymal patterns in breast imaging. It is a separate but translatable system to the BI-RADS classification system (please note that Tabar grade 3 ≠ BI-RADS 3...
Article

Transitional cell carcinoma grading

Transitional cell carcinomas of the urothelium are graded histologically as follows: transitional cell papilloma benign tumor, not a carcinoma but sometimes included in classification systems carcinoma in situ do not penetrate the basement membrane cells resemble those of grade II or III t...

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