9 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Reverse Halo Sign ... Halo Sign 6. ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Diagram of different types of bone tumors that can occur around the knee on XRay -
around the knee on XRay ... blade of grass sign ... Enostosis/bone island ... #Bone #Tumors #Diagnosis ... #XRay #msk #lesions
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
around the knee on XRay ... Enostosis/bone island ... blade of grass sign ... #Differential #Diagnosis ... #Radiology #XRay
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
he CT shows a lesion ... their differential diagnostic ... the comet tail sign ... #CTChest #RoundedAtelectasis ... Atelectasis #CometTail #Sign
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... Polymorphic skin lesions ... Multiple skin lesions ... #differential #diagnosis
Facial Bone X-Ray Interpretation Checklist
1. Look for tripod fracture
 • Find the zygoma and fan out
out in a fourth direction ... be a secondary sign ... 'black eyebrow sign ... Assess the lower half ... #diagnosis #checklist