Articles

Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and edited by countless contributing members over a period of time. A global group of dedicated editors oversee accuracy, consulting with expert advisers, and constantly reviewing additions.

5 results found
Article

Malignant pleural mesothelioma (staging)

A number of staging systems have been described for staging of malignant pleural mesothelioma. Below is the International Mesothelioma Interest Group TNM staging system. TNM T - Tumour Tx: primary tumour cannot be assessed T0: no evidence of primary tumour T1a potentially resectable only ...
Article

Masaoka staging system of thymoma

The Masaoka staging system is commonly adopted for thymomas 1-3, and is the most important determinant of survival following surgical resection 4: stage I: intact thymic capsule stage II: capsular invasion into adjacent mediastinal fat or pleura stage III: macroscopic invasion into adjacent o...
Article

Modified Noyes grading of the chondral injury

Chondromalacia can be divided into 4 grades by MRI, typically using fat saturated proton density sequences. The original Noyes grading system was based on arthroscopic findings. The modified Noyes system was published in 2009. Grade 0: normal cartilage Grade 1: increased T2 signal intensity of...
Article

Modified Ringertz grading system for diffuse astrocytomas

The modified Ringertz grading system has historically been one of the more frequently used grading systems for diffuse astrocytomas, but has not essentially been replaced by the WHO grading system. Unlike the WHO grading system and St Anne-Mayo grading system (also known as the Dumas-Duport gra...
Article

Mueller Weiss syndrome (staging)

Mueller Weiss syndrome refers to a spontaneous adult onset osteonecrosis of the tarsal navicular. This syndrome is multifactorial and related to chronic loading on a suboptimally ossified navicular bone which is susceptible to central osteonecrosis due to its centripetal blood supply. It is dist...

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