36 results
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
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Sarcoidosis Non-caseating ... polyarthritis • Pulmonary ... exertion • Neurologic ... #Diagnosis #Symptoms ... #Signs #Pulmonary
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
XR — scotty dog sign ... vertebrae • CT ... Spondylolisthesis #MSK ... #diagnosis #pathophysiology ... #signs #symptoms
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR, CT ... , ultrasound) - ... symptoms (e.g., ... chest pain) and signs
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
Examination: • UMN signs ... Clonus, Babinski’s sign ... • Lhermitte’s sign ... pupillary defect SIGNS ... Signs and symptoms
Sarcoidosis
Stage 1 - Bilateral LAD without involvement of lung parenchyma
Stage 2 - Bilateral LAD with involvement
Sarcoidosis Stage ... 4 - Fibrosis Pulmonary ... #Diagnosis #Stages ... #Staging #Signs ... #Symptoms #Summary
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... Reverse #Halo #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
cases Clinical Signs ... years - May have signs ... pulmonary TB PE ... for concomitant pulmonary ... involvement - CT
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