39 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... polyangiitis, Sarcoidosis ... Dermatomyositis, Lung ... Reverse #Halo #Sign ... #pulmonary
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Sarcoidosis Non-caseating ... inflammatory cells) Clinical ... exertion • Neurologic ... #Diagnosis #Symptoms ... #Signs #Pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... Constitutional symptoms ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... , amyloidosis, sarcoidosis ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Clinical manifestations ... - Diagnosis: ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary ... #ILD #diagnosis
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
Lemierre’s Syndrome - Clinical Presentation

97% have septic emboli to the lungs!  So look for pneumonia,
Lemierre’s Syndrome - Clinical ... emboli to the lungs ... So look for pneumonia ... #Presentation #Signs ... #Symptoms #Diagnosis
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
B-Lines in case of Pneumonia ... sliding: Pulmonary ... partially seen shred sign ... NOT definitively diagnose ... #Lung #POCUS #clinical
Based on the images alone, it is usually not possible to determine the cause of the
Lobar pneumonia ... Pulmonary hemorrhage ... Sarcoidosis - at ... interstitial lung ... #Clinical #Diagnosis
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... granulomas within the lungs ... renal failure Clinical ... Pulmonary and ... #Signs #Symptoms