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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