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.

9 results found
Article

Lung cancer (staging - IASLC 7th edition - superseded)

The IASLC (International Association for the Study of Lung Cancer) 7th edition lung cancer staging system was proposed in 2010 and has now been updated and superseded by the 8th edition, published in 2016. Small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC) used to be staged di...
Article

Lung cancer (staging - IASLC 8th edition)

The IASLC (International Association for the Study of Lung Cancer) 8th edition lung cancer staging system was introduced in 2016 and supersedes the IASLC 7th edition.  Standard-of-care lung cancer staging ideally should be performed in a multidisciplinary meeting using the information provided ...
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 - Tumor Tx: primary tumor cannot be assessed T0: no evidence of primary tumor T1a potentially resectable only par...
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

Esophageal cancer (staging)

Esophageal cancer staging uses the international TNM system. The staging can depend slightly on whether the tumor is squamous cell or adenocarcinoma subtype. Due to the lack of a serosal layer, esophageal cancer often tends to have mediastinal spread at the time of diagnosis. Staging TNM stagi...
Article

Siltzbach sarcoidosis chest radiographic staging system

Siltzbach system is a chest radiographic staging method for sarcoidosis. stage 0: normal chest radigraph: 10% at time of diagnosis stage I: lymph node enlargement: 50% at time of diagnosis stage II: lymph node enlargement and pulmonary opacities: 30% at time of diagnosis stage III: pulmonary...
Article

Small-cell lung cancer (staging - superseded)

Previously, small-cell lung cancer (SCLC) was not staged in the same manner as non-small cell lung cancer (NSCLC), but since 2013 both are staged using the IASLC (International Association for the Study of Lung Cancer) lung cancer staging system (currently in its 8th edition, published in 2016)....
Article

Thoracic lymph node stations

Thoracic lymph nodes are divided into 14 stations as defined by the International Association for the Study of Lung Cancer (IASLC) 1, principally in the context of oncologic staging. For the purpose of prognostication, the stations may be grouped into 7 zones.  The IASLC definitions leave some a...
Article

Visceral pleural invasion

Visceral pleural invasion is a feature that can be seen in lung cancers. It is defined as tumor extension beyond the elastic layer of the visceral pleura. It is considered an aggressive sign and one of the most important adverse prognostic factors in non-small cell lung cancers 1. Pathology Gr...

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