Bihilar lymphadenopathy

Bihilar lymphadenopathy is a radiographic term that describes the enlargement of mediastinal lymph nodes. It is easily and most commonly identified by a chest x-ray. The causes can divide into the four commonest:

Tuberculosis Sarcoidosis Lymphoma

Other malignancies

Less common causes include:

Churg-Strauss syndrome Human Immunodeficiency Virus Extrinsic allergic alveolitis Pneumoconiosis