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Inicio Radiología (English Edition) Update of cartilaginous tumours according to the WHO classification 2020
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Vol. 66. Issue 1.
Pages 57-69 (January - February 2024)
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Vol. 66. Issue 1.
Pages 57-69 (January - February 2024)
Update in Radiology
Update of cartilaginous tumours according to the WHO classification 2020
Actualización de los tumores cartilaginosos según la clasificación de la OMS de 2020
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S. Gomez-Penaa,
Corresponding author
sagompe@gmail.com

Corresponding author.
, Á. Rueda de Eusebioa, J. Arrazola Garcíaa, P. Romero Fernándezb, M.J. Moreno Casadoa, A.M. Crespo Rodrígueza
a Servicio de Radiodiagnóstico, Hospital Clínico San Carlos, Madrid, Spain
b Servicio de Medicina Nuclear, Hospital Clínico San Carlos, Madrid, Spain
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Tables (4)
Table 1. Classification of cartilaginous tumours according to the latest WHO update and changes compared to the 2013 update.
Table 2. Comparison of tomographic techniques for the assessment of radiological features of cartilaginous tumours.
Table 3. Clinical-radiological characteristics of the cartilaginous tumours described in the article.
Table 4. Clinical and radiological differences between benign and malignant cartilaginous tumours.
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Abstract

Cartilaginous tumours are a large and heterogeneous group of neoplasms characterised by the presence of a chondroid matrix, with lobular growth and arcuate, ring-like or popcorn-like calcification patterns. MRI shows hyperintensity in T2-weighted sequences and a lobulated or septal relief in postcontrast images.

In the WHO 2020 classification, chondral tumours are classified as benign, intermediate or malignant. Despite technological advances, they continue to pose a challenge for both the radiologist and the pathologist, being the main difficulty the differentiation between benign and malignant tumours, which is why they require a multidisciplinary approach.

This paper describes the main changes introduced in the 2020 update, describes the imaging characteristics of the main cartilaginous tumours and provides the radiological keys to differentiate between benign and malignant tumours.

Keywords:
Condral
Cartilage
Chondrosarcoma
Enchondroma
Osteochondroma
Resumen

Los tumores cartilaginosos son un grupo amplio y heterogéneo de neoplasias caracterizadas por la presencia de una matriz condroide, que presenta crecimiento lobular y patrones de calcificación en arcos y anillos o en palomita de maíz. En RM destaca su hiperintensidad en las secuencias potenciadas en T2 y en las imágenes postcontraste un relace lobulado o septal.

En la clasificación de 2020 de la OMS, los tumores de estirpe condral se clasifican en benignos, intermedios o malignos. A pesar de los avances tecnológicos siguen suponiendo un reto tanto para el radiólogo como el patólogo, siendo la principal dificultad la diferenciación entre los tumores benignos y malignos, razón por la que requieren de un abordaje multidisciplinar.

Este trabajo recoge los principales cambios introducidos en la actualización de 2020 describe las características de imagen de los principales tumores cartilaginosos y proporciona las claves radiológicas para diferenciar entre tumores benignos y malignos.

Palabras clave:
Condral
Cartílago
Condrosarcoma
Encondroma
Osteocondroma

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