Abstract:Some kinds of interstitial pneumonia present a histopathological pattern dominated by sarcoid - necrotizing or non-necrotizing - granulomas, which can be divided into two main groups: infectious and non-infectious. The infectious causes include tuberculosis, histoplasmosis, fungi in general, paracoccidioidomycosis, ascaridiasis, echinococcosis and dirophilariosis. The non-infectious causes include histiocytosis-X, hipersensitivity pneumonia, vasculitis, lymphomas, sarcoidosis, and pneumoconioses such as silico… Show more
Lymphoid neogenesis associated with CLAD accompanies activation of stromal resident cells and formation of lymphoid-like stroma. Induction of PNAd+ HEV-like vessels occurs before the manifestation of CLAD.
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