5 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Differential Diagnosis ... complete ring of consolidation ... #Halo #Sign #Infectious ... #Diagnosis #pulmonary
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Diffuse consolidation ... cardiogenic edema, to differentiate ... Look for other signs ... infection, ARDS ... Consolidation #Differential
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... ring of dense consolidation ... Differential Diagnosis ... : • Infection ... #Halo #Sign #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
run-down or tired • Fevers ... in moderate-to-severe ... Nasal polyps and signs ... centrilobular nodules, or consolidation ... #differential #
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... of the reversed ... halo sign (RHS) ... lesions, lobular consolidation ... hypersensitivity pneumonitis, infection