Articles

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57 results found
Article

Ovarian-Adnexal Reporting and Data System Ultrasound (O-RADS US)

The Ovarian-Adnexal Reporting and Data System Ultrasound (O-RADS US) forms the ultrasound component of the Ovarian-Adnexal Reporting and Data System (O-RADS). This system aims to ensure that there are uniform unambiguous sonographic evaluations of ovarian or other adnexal lesions, accurately ass...
Article

Gynecologic Imaging-Reporting and Data System (GI-RADS)

The Gynecologic Imaging-Reporting and Data System (GI-RADS) is a reporting system that was created for reporting the findings in adnexal masses based on transvaginal ultrasonography. Classification Findings are classified into five categories 1: GI-RADS 1 normal ovaries identified and no adn...
Article

Epidural spinal cord compression scale

The epidural spinal cord compression (ESCC) scale, sometimes known eponymously as the Bilsky scale, is used to assess the degree to which vertebral body metastasis compromises the spinal canal and whether cord compression is present. It may serve as a guide as to when intervention (radiotherapy ...
Article

LI-RADS US Surveillance

Liver Imaging Reporting and Data System Ultrasound Surveillance (LI-RADS US Surveillance) is a standardized system with recommendations for imaging technique, interpretation and reporting for surveillance of hepatocellular carcinoma (HCC) using unenhanced ultrasound in patients at high risk for ...
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CT/MRI LI-RADS

CT/MRI Liver Imaging Reporting and Data System (LI-RADS) is an algorithm for diagnosing and staging hepatocellular carcinoma (HCC) (CT/MRI Diagnostic LI-RADS) or assessing the response of HCC to locoregional treatment (CT/MRI Treatment Response LI-RADS) using CT or MRI with extracellular contras...
Article

LI-RADS (overview)

Liver Imaging Reporting and Data System (LI-RADS) is a standardized terminology and classification system for imaging findings in liver lesions. A liver lesion's LI-RADS score indicates its relative risk for hepatocellular carcinoma (HCC). Usage The classification system is meant to be used in...
Article

Whitmore-Jewett staging system (historical)

The Whitmore-Jewett staging system (also known as the Jewett staging system or ABCD system) is a superseded staging system for prostate cancer. It was developed by the American Urological Association (AUA). Most societies (including AUA) and clinicians now advocate and use the TNM staging system...
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International Society of Urological Pathology Vancouver classification of renal neoplasia (historical)

The International Society of Urological Pathology Vancouver classification of renal neoplasia is a now-outdated classification of renal tumors published in 2013. It formed the basis for the WHO classification of tumors of the kidney published in 2016. For reference, the ISUP Vancouver classifica...
Article

Siewert-Stein classification of esophageal adenocarcinoma

The Siewert-Stein classification of esophageal adenocarcinoma classes tumors of the gastro-esophageal junction according to the relationship between the epicenter of the tumor and the gastro-esophageal junction 1. The classification system was initially proposed by Siewert et al in 1996, becomin...
Article

Zurich pituitary score

The Zurich pituitary score is a quantitative classification of pituitary adenomas based on coronal T1-weighted magnetic resonance imaging with contrast, although the score can also be obtained with computed tomography. The Zurich pituitary score is based on the ratio between the horizontal tumo...
Article

Milan criteria in liver transplantation

The Milan criteria are used to assess suitability in patients for liver transplantation with cirrhosis and hepatocellular carcinoma (HCC) with comparable outcomes when compared to patients with liver cirrhosis but without HCC 3. Usage The Milan criteria are widely accepted and used, however, t...
Article

Amsterdam criteria for hereditary non-polyposis colorectal cancer

The Amsterdam criteria, also known as the ICG–HNPCC criteria, were established for the selection of families with hereditary non-polyposis colorectal cancer (HNPCC) for research but are not exclusionary for the diagnosis of HNPCC 5. Usage Amsterdam criteria were first established in 1990 and r...
Article

Ovarian-Adnexal Reporting and Data System (O-RADS)

The Ovarian-Adnexal Imaging Reporting and Data System, (O-RADS), aims to ensure that there are uniform unambiguous sonographic and MRI evaluations of ovarian or other adnexal lesions, accurately assigning each lesion to a risk category of malignancy being present, and which informs the appropria...
Article

Ann Arbor staging system (historical)

The Ann Arbor staging system was the landmark lymphoma staging classification system for both Hodgkin lymphoma and non-Hodgkin lymphoma. It is named after the town of Ann Arbor in the US state of Michigan where the Committee on Hodgkin's Disease Staging Classification met in 1971 to agree on it....
Article

Ovarian-Adnexal Reporting and Data System Magnetic Resonance Imaging (O-RADS MRI)

The Ovarian-Adnexal Reporting and Data System Magnetic Resonance Imaging (O-RADS MRI) forms the MRI component of the Ovarian-Adnexal Reporting and Data System (O-RADS). This system aims to ensure that there is a uniform, unambiguous MRI evaluation of ovarian or other adnexal lesions, accurately ...
Article

Choi response criteria

The solitary use of the size of the tumor during evaluation for response to chemotherapy has some pitfalls and limitations, especially for specific tumors such as gastrointestinal stromal tumor (GIST). The Choi response criteria for GIST proposed that tumor attenuation could provide an addition...
Article

ISSVA classification of vascular anomalies

The ISSVA classification of vascular anomalies encompasses all vascular malformations and tumors in a framework of internationally consistent nomenclature. Usage It is one of the two most widely used classification systems, the other being the Hamburg classification system of vascular malform...
Article

Bone Reporting and Data System (Bone-RADS)

The Bone Reporting and Data System (Bone-RADS) is an algorithm developed and proposed by the Practice Guidelines and Technical Standards Committee of the Society of Skeletal Radiology for the diagnostic workup of incidentally encountered solitary bone lesions in adults on MRI and/or CT 1. It has...
Article

RECIST 1.1: comparison with RECIST 1.0

Response Evaluation Criteria In Solid Tumors (RECIST) was updated to version 1.1 in 2009. For both RECIST 1.0 and 1.1, the requirement for measurable disease at baseline depends on the endpoints of the clinical trial. The fundamental concept common to both versions of RECIST is that measurable...
Article

BTA ultrasound "U" classification of thyroid nodules

The ultrasound "U" classification of thyroid nodules has been developed by the British Thyroid Association (BTA) as part of their 2014 guidelines on the management of thyroid cancer 1. It allows for the stratification of thyroid nodules as benign, suspicious or malignant based on ultrasound app...

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