Sarcoidosis classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Roshan Dinparasti Saleh

Overview

There is no universally accepted classification system for sarcoidosis according to our knowledge, but in some references sarcoidosis is classified regarding the organ system involved. The lung is involved in 90% of patients diagnosed with sarcoidosis, thus sarcoidosis is generally classified into pulmonary sarcoidosis and extra-pulmonary sarcoidosis.

Classification

Scadding proposed a scoring system regarding the chest radiograph for pulmonary sarcoidosis in 1961.

stage 1: Hilar adenopathy alone

stage 2: Hilar adenopathy plus lung infiltrates

stage 3: Lung infiltrates alone

stage 4: Fibrosis