Upper Lobes

Perilymphatic

Peripleural Fissural

Peribronchial

Nodules

Upper Lobes

42 year old male with a history of sarcoidosis.
The CXR shows an interstitial process involving the upper lobecharacterised by a reticular pattern
Ashley Davidoff MD TheCommonvein.net lungs sarcoid 001
42 year old male with a history of sarcoidosis.
The coronal CTscan shows an interstitial with thickening and displacement of the fissure and innumerable micronodules some centrilobular and some related to the pleura
Ashley Davidoff MD TheCommonvein.net lungs sarcoid 004
42 year old male with a history of sarcoidosis.
The axial  CTscan shows  thickening and irregularity of the major fissure, a band of fibrosis in the right upper lobe, thickening of a segmental bronchus in the right upper lobeand bronchocentric fibrosis in the left upper lobeand multiple micronodules
Ashley Davidoff MD TheCommonvein.net lungs sarcoid 002
42 year old male with a history of sarcoidosis.
The axial CTscan shows an interstitial  innumerable micronodules some centrilobular and some related to the pleura and others probably in the interlobular septa (posterior right upper lobe) 
Ashley Davidoff MD TheCommonvein.net lungs sarcoid 003

Peribronchial Tree in Bud Centrilobular and Interlobular

Sarcoidosis Showing thickening nand nodularity of the segmental airways, as well as the smaller airways with tree in bus changes
Ashley Davidoff MD The CommonVein.net
sarcoidosis 001 60m

Centrilobular

Alveolar

Hilar and Mediastibal Lymph Nodes