Anterior mediastinal mass

Last revised by Rohit Sharma on 02 Oct 2022

Anterior mediastinal masses can be caused by neoplastic and non-neoplastic pathology. These masses arise in the anterior mediastinum, that portion of the mediastinum anterior to the pericardium and below the level of the clavicles

Epidemiology

The prevalence of anterior mediastinal masses on CT is estimated at 0.4-0.9% 4.

Differential diagnosis

The differential diagnosis for an anterior mediastinal mass includes 1-3:

A handy mnemonic to remember the major categories is the 5 Ts.

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Cases and figures

  • Case 1: T cell lymphoma
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  • Case 2: teratoma
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  • Case 4: false aneurysm
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  • Case 5: lymphoma
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  • Case 6: bronchial carcinoma
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  • Case 7: hemorrhagic thyroid cyst
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  • Case 8: subclavian artery aneurysm
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