Fig. 17From: Fibrosing pneumonia – how to diagnose, and how to recognize the etiology?Chronic systemic sclerosis (SSc); UIP pattern with myofibroblastic focus, fibrosis, cystic remodeling, but also hyperplasia of BALT. Note the dense lymphocytic infiltration into the myofibroblastic focus (top); at the bottom vasculopathy is seen with myxoid changes of the intima and narrowing of the arterial lumen. H&E, bars 200, 50, and 20 μmBack to article page