Lymphoid interstitial pneumonia

[Gregory]

Lymphoid interstitial pneumonia is an uncommon lung disease in which mature lymphocytes (a type of white blood cell) accumulate in the air sacs of the lungs (alveoli).

People usually cough and have difficulty breathing.
Diagnosis requires chest x-ray, computed tomography, pulmonary function tests, and often bronchoscopy, biopsy, or both.
Treatment involves corticosteroids, immunosuppressants, or both.

(See also Overview of Idiopathic Interstitial Pneumonias.)
Lymphoid interstitial pneumonia is a form of idiopathic interstitial pneumonia. It can occur in children, usually those infected with the human immunodeficiency virus (HIV). Lymphoid interstitial pneumonia can also occur in adults, often those with autoimmune disorders such as plasma cell disorders, Sj