29 results
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
tenderness • Positive ... • XR — scotty dog ... sign on oblique ... Spondylolisthesis #MSK ... pathophysiology #signs
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
left we see a chest ... #Clinical #Radiology ... #CXR #CTChest # ... FingerInGlove #Sign ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... Comparison #Table #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
More Specific Signs ... venous pressure, positive ... Less Specific Signs ... Chest x-ray: signs ... → no signs of CXR
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
a patient with signs ... there is a high position ... #Clinical #Radiology ... #CXR #CHF #Pleural ... SubpulmonicEffusion #RadiologyAssistant
On the left a patient with CHF. 
There is an increase in heart size compared to
Other signs of CHF ... magnification and high position ... #Clinical #Radiology ... #CXR #CHF #Exacerbation ... #Comparison #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In the supine position ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization ... Redistribution #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
cardiogenic edema, to differentiate ... Look for other signs ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... appreciate on a cest ... #Diagnosis #Radiology ... Interstitial #Pattern #Differential ... #RadiologyAssistant