A hospice intensivist

Usual interstitial pneumonia (UIP): lower lobe, honeycombing pattern, fibroblastic foci。
IPF (idiopathic pulmonary fibrosis): pathology UIP without other cause of interstitial lung disease

Desquamative interstitial pneumonitis (DIP)/RB-ILD: DIP is usually more extensive, alveolar macrophages with brown and finely granular pigmentation. The treatment of RB-ILD is smoking cessation .

Lymphoid interstitial pneumonitis (LIP): lymphocytes and plasma cells

Langerhans’-cell histiocytosis: Nodules and cysts, Predominantly upper-lobe disease, Sparing of the costophrenic angles

Organizing Pneumonia: mucopolysacharide-rich matrix, with young fibroblasts,