9 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Reverse Halo Sign ... Halo Sign 6. ... #ChestCT #radiology ... #CTChest #diagnosis
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation Symptoms ... Nasal polyps and signs ... parenchyma Diagnosis ... CT) • Broncho-arterial ... #differential #diagnosis
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
but stable or chronic ... Pulmonary: dyspnea ... , cough, chest pain ... anterior/posterior MSK ... #Management #Signs
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
Increased pulmonary ... related to the pulmonary ... features on the chest ... #Diagnosis #Radiology ... #RadiologyAssistant
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
lesion has been stable ... definitive tissue diagnosis ... #Management #Radiology ... Society #Followup #Pulmonary ... #Nodules #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... Constitutional symptoms ... Abdominal pain, chronic ... Infections #HIV #AIDS #pulmonary
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
of prior silent pulmonary ... organism (soap bubble sign ... w/ subacute-to-chronic ... present in only half ... death if ART is started