134 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... granulomatosis, Cryptogenic ... 1min_idconsult #Reverse #Halo
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... disease • Other: Cryptogenic ... PulmPEEPs #Reverse #Halo
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
of the reversed halo ... in situ; COP, cryptogenic
Cryptogenic Organizing Pneumonia (COP) - Summary

Andrew Sanchez M.D. @ASanchez_PS

#Cryptogenic #Organizing #Pneumonia #COP #pulmonary #diagnosis
Cryptogenic Organizing ... ASanchez_PS #Cryptogenic
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Cryptogenic Organizing ... Pneumonia (COP) Cryptogenic ... pneumonias Cryptogenic ... OP considered cryptogenic ... Cryptogenic
Halo Sign in Basal Skull Fracture

Halo of lighter liquid around blood spot on the cloth indicates
Halo Sign in Basal ... Skull Fracture Halo ... JamesPowellMD #Halo
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
mainly seen in cryptogenic
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... .2016.12.033 #Halo
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
to transiently halt ... Diabetes Mellitus Half-and-Half
More common & convincing pneumonia mimics 

Aspiration pneumonitis, 
Pulmonary vasculitis, 
Acute eosinophilic pneummia,  
Cryptogeric organizing
eosinophilic pneummia, Cryptogeric