Case contributed by Hani Makky Al Salam


Weight loss, feeling unwell

Patient Data

Age: Adult
Gender: Male

Chest x-rays


Anterior mediastinal soft tissue opacity with loss of the normal retrosternal window.



Large anterior mediastinal mass is encasing and narrowing the left main pulmonary artery and left brachiocephalic vein. Mild compression of the SVC. No invasion of adjacent structures. Dilated left sided venous collaterals of the posterior chest wall consistent with partial obstruction of the left brachiocephalic vein. No nodal enlargement in the remainder of the mediastinum.

Unremarkable abdominal and pelvic appearances.

No suspicious bone lesions.


Nuclear medicine

PET-CT: FDG avid anterior mediastinal mass. Thymoma in the differential.

Case Discussion

CT and PET-CT demonstrate a histopathologically-confirmed thymoma.

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