Thymic notch sign

Last revised by Yusra Sheikh on 1 Nov 2019

Citation, DOI, disclosures and article data

Citation:

Sarangi P, Sheikh Y, Bell D, et al. Thymic notch sign. Reference article, Radiopaedia.org (Accessed on 25 Apr 2024) https://doi.org/10.53347/rID-41330

DOI:

https://doi.org/10.53347/rID-41330

Permalink:

https://radiopaedia.org/articles/41330

rID:

41330

Article created:

28 Nov 2015, Pradosh Kumar Sarangi

Disclosures:

At the time the article was created Pradosh Kumar Sarangi had no recorded disclosures.

View Pradosh Kumar Sarangi's current disclosures

Last revised:

1 Nov 2019, Yusra Sheikh ◉

Disclosures:

At the time the article was last revised Yusra Sheikh had no recorded disclosures.

View Yusra Sheikh's current disclosures

Revisions:

6 times, by 4 contributors - see full revision history and disclosures

Systems:

Chest, Paediatrics

Sections:

Signs

Tags:

thymus

Synonyms:

Notch sign of thymus

The thymic notch sign represents the normal thymus in a newborn on a frontal chest radiograph. Interruption of the cardiac silhouette forms a notch, which may be seen on either side, but more frequently is seen on the left side.