1288 results
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Sarcoidosis Non-caseating ... polyarthritis • Pulmonary ... Lymphadenopathy #Sarcoidosis ... #Diagnosis #Symptoms ... #Signs #Pulmonary
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... , amyloidosis, sarcoidosis ... .2016.12.033 #Halo #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... polyangiitis, Sarcoidosis ... Reverse #Halo #Sign ... #Differential #Diagnosis ... #pulmonary
Pulmonary Sarcoidosis - Staging

Stage 0 - NO SARCOIDOSIS
 • The patient presents with a normal x-ray.
Pulmonary Sarcoidosis ... Stage 0 - NO SARCOIDOSIS ... There is no sign ... #Sarcoidosis #Pulmonary ... Staging #stages #diagnosis
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
lymphadenopathy In sarcoidosis ... adenopathy ('1-2-3-sign ... sometimes seen in sarcoidosis ... #Diagnosis #Radiology ... #Pulmonary #Mediastinal
Sarcoidosis
Stage 1 - Bilateral LAD without involvement of lung parenchyma
Stage 2 - Bilateral LAD with involvement
Sarcoidosis Stage ... 4 - Fibrosis Pulmonary ... chylothorax, and pulmonary ... #Diagnosis #Stages ... #Staging #Signs
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... Differential Diagnosis ... organizing pneumonia, Sarcoidosis ... Reverse #Halo #Sign ... #differential #diagnosis
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... GPA, lipoid pna, sarcoidosis ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
Galaxy Sign on Chest ... nodules • DDx: Sarcoidosis ... .2016.12.033 #Galaxy #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... sub-acute HP, sarcoidosis ... #Head #Cheese #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology