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.
CT scan of the chest showing bilateral lymphadenopathy in the mediastinum due to sarcoidosis.
Causes
The following are causes of BHL:[1]
- Sarcoidosis[2]
- Infection
- Tuberculosis[2]
- Fungal infection[2]
- Mycoplasma
- Intestinal Lipodystrophy (Whipple's disease)[3][4]
- Malignancy
- Lymphoma[2]
- Carcinoma
- Mediastinal tumors
- Inorganic dust disease
- Silicosis[5][6][7]
- Berylliosis[7]
- Extrinsic allergic alveolitis
- Such as bird fancier's lung
- Less common causes also exist:[citation needed]
- Eosinophilic granulomatosis with polyangiitis
- Human immunodeficiency virus
- Extrinsic allergic alveolitis
- Adult-onset Still's disease[8]
| This article uses material from the Wikipedia article Metasyntactic variable, which is released under the Creative Commons Attribution-ShareAlike 3.0 Unported License. |