Bilateral hilar lymphadenopathy
Bilateral hilar lymphadenopathy is a bilateral enlargement of the lymph nodes of pulmonary hila. It is a radiographic term for the enlargement of mediastinal lymph nodes and is most commonly identified by a chest x-ray.
Causes
The following are causes of BHL:- Sarcoidosis
- Infection
- * Tuberculosis
- * Fungal infection
- * Mycoplasma
- * Intestinal Lipodystrophy
- Malignancy
- * Lymphoma
- * Carcinoma
- * Mediastinal tumors
- Inorganic dust disease
- * Silicosis
- * Berylliosis
- Extrinsic allergic alveolitis
- * Such as bird fancier's lung
- Less common causes also exist:
- *Eosinophilic granulomatosis with polyangiitis
- *Human immunodeficiency virus
- *Extrinsic allergic alveolitis
- *Adult-onset Still's disease