Imaging evaluation of the pediatric mediastinum: new International Thymic Malignancy Interest Group classification system for children

Nhi H. Vo, Kumar K. Shashi, Abbey J. Winant, Mark C. Liszewski, Edward Y. Lee

Research output: Contribution to journalReview articlepeer-review

Abstract

Mediastinal masses are commonly identified in the pediatric population with cross-sectional imaging central to the diagnosis and management of these lesions. With greater anatomical definition afforded by cross-sectional imaging, classification of mediastinal masses into the traditional anterior, middle and posterior mediastinal compartments — as based on the lateral chest radiograph — has diminishing application. In recent years, the International Thymic Malignancy Interest Group (ITMIG) classification system of mediastinal masses, which is cross-sectionally based, has garnered acceptance by multiple thoracic societies and been applied in adults. Therefore, there is a need for pediatric radiologists to clearly understand the ITMIG classification system and how it applies to the pediatric population. The main purpose of this article is to provide an updated review of common pediatric mediastinal masses and mediastinal manifestations of systemic disease processes in the pediatric population based on the new ITMIG classification system.

Original languageEnglish (US)
JournalPediatric radiology
DOIs
StateAccepted/In press - 2022

Keywords

  • Chest
  • Children
  • Computed tomography
  • International Thymic Malignancy Interest Group
  • Magnetic resonance imaging
  • Mass
  • Mediastinum

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Radiology Nuclear Medicine and imaging

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