12 results
Total Anomalous Pulmonary Venous Return (TAPVR)
 • Introduction
 • Classification
 • Pathophysiology of TAPVR
 • Presentation
Classification • Pathophysiology ... • Chest XRay: ... Classic “snowman sign ... #management #cardiology ... #peds #pediatrics
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Differential #Comparison
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... abutting the pleura, air-bronchograms ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... CT • Air surrounding ... .2016.12.033 #Monod #Sign ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... .2016.12.033 #Air ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... .2016.12.033 #Air ... #Crescent #Sign ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Acute Otitis Media: Pathogenesis and Clinical Findings (in Children)
Upper Respiratory Tract Infection: 
 - Bacterial: Streptococcus
Pathogenesis and Clinical ... middle ear => Air ... #OtitisMedia #pathophysiology ... #diagnosis #symptoms ... #signs #peds #pediatrics
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the differential diagnosis ... usually contain air ... #Clinical #Diagnosis ... #Radiology #CTChest ... Cyst #Emphysema #Comparison
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
There are two diagnostic ... expiratory scans for air ... penicillamine) #Clinical ... #Radiology #CTChest ... #Attenuation #Comparison
In the images on your left you can appreciate again the spectrum of findings seen in
density of the air ... (dark bronchus sign ... excluding UIP as diagnosis ... #Clinical #Radiology ... #CTChest #NSIP