14 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... focal rounded area ... complete ring of consolidation ... Dermatomyositis, Lung ... #Halo #Sign #Infectious
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest ... Reverse Halo Sign ... Halo Sign 6. ... Consolidation 7. ... #Pulmonary #ChestCT
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... surrounded by a ... #Halo #Sign #CT ... #Lung #Pulmonary
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
reserve capacity ... non-perfused vessels and causes ... period of CHF (right ... #Clinical #Radiology ... #CXR #CHF #Cephalization
Figure of 3 Sign - Coarctation of the Aorta on Chest X-Ray

The figure of 3 sign
of 3 sign refers ... There’s a focal ... Roesler sign refers ... #XRay #clinical ... #radiology #pediatrics
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Most Common Causes ... Nasal polyps and signs ... centrilobular nodules, or consolidation ... Immunoglobulins (Ig M, A,
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• CT: Halo sign ... dyspnea • Lobar consolidation ... Rapid onset of a ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
diagnosis of the reversed ... halo sign (RHS) ... close contact with a ... #Radiology #RHS ... #Differential #Algorithm
Lung infarction
The radiographic features of acute pulmonary thromboembolism are insensitive and nonspecific.
The most common radiographic findings
In most cases of ... the chest x-ray ... which were seen on a ... The peripheral consolidation ... #Clinical #Radiology
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
B-cell activity → local ... granulomas within the lungs ... symptoms are not caused ... granulomas in a ... , cough, chest pain