Term Name:	lymphoid interstitial pneumonia
Synonyms:
Definition:	An idiopathic interstitial pneumonia which involves diffuse interstitial infiltration of involved areas mostly with T lymphocytes, plasma cells, and macrophages. Lymphoid hyperplasia is frequently seen. Onset is often slow with gradually increasing cough and breathlessness over 3 or more years. Fever, weight loss, chest pain, and arthralgia are occasionally found. Crackles may be detected as the disease progresses.
Ontology:	Human Disease [DOID:0050159]   ( DOID:0050159 )