5 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... , amyloidosis, sarcoidosis ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... GPA, lipoid pna, sarcoidosis ... Atoll #Reverse #Halo ... #Pulmonary #diagnosis ... #radiology #clinical
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... - Differential Diagnosis ... Algorithm Erythrematous ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... Differential Diagnosis ... organizing pneumonia, Sarcoidosis ... #Sign #differential ... #radiology
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... of the reversed halo ... sign (RHS). ... #Radiology #RHS ... #Differential #Algorithm