anterior

Last reviewed 01/2018

The differential diagnosis of an anterior mediastinal mass includes:

Tumours:

• thymoma
• germ cell neoplasm:
• teratoma
• seminoma
• primary choriocarcinoma
• endodermal sinus tumour
• embryonal carcinoma
• thyroid lesion
• parathyroid lesion
• lymphoma
• lymphangioma
• lipoma
• Castleman's syndrome

Vascular:

• unfolded aorta
• aortic aneurysm
• aortic dissection

Gastrointestinal:

• hernia through the foramen of Morgagni