9 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Reverse Halo Sign ... Halo Sign 6. ... Consolidation 7. ... Patterns #Lung #Pulmonary ... #CTChest #diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... can't make A-OK sign ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... II-IV, pending orthopedic ... #Humerus #Radiology ... #XRay #Diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... or posterior fat ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... circumferential denser consolidation ... Atoll #Reverse #Halo ... #Pulmonary #diagnosis ... #radiology #clinical
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 ... #diagnosis #pulmonary ... #radiology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... : Neuropraxia (posterior ... • If stable ... DC with orthopedic ... #XRay #Diagnosis
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 ... #Diagnosis #Pulmonary
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... of prior silent pulmonary ... organism (soap bubble sign ... present in only half ... flucytosine for 14 days, consolidation