10 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... child-bearing age - Cystic bronchiectasis ... : 'signet ring sign ... #Radiology #CTChest ... #Differential #Comparison
Signet Ring Sign on Chest CT
 • Prominently dilated airway compared to its accompanying pulm vessel.
Signet Ring Sign ... on Chest CT • ... • DDx: Bronchiectasis ... #Signet #Ring #Sign ... #diagnosis #radiology
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... on Chest CT • Parallel ... Cylindrical or traction bronchiectasis ... #Tram #Track #Sign ... #diagnosis #radiology
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 #
Pertinent Chest x-ray Findings in the Trauma Patient and Implications
Respiratory distress without x-ray findings - Central
Pertinent Chest ... places - Flail chest ... abdominal viscus #cxr ... chestxray #trauma #diagnosis ... #signs #radiology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... Nasal polyps and signs ... parenchyma Diagnosis ... CT) • Broncho-arterial ... #differential #diagnosis
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Radiology Imaging ... for secondary signs ... Plantar plate injury ... foot #clinical #mri ... #diagnosis #msk
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
sign which consists ... may aid in the diagnosis ... confirmed with chest ... CT angiography. ... #photo #CXR #EmergencyMedicine
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
capsuloligamentous injury ... GAGL): "Reverse J sign ... shoulder #clinical #mri ... #clinical #Radiology ... #diagnosis #msk
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... trauma are diagnosed ... x-ray (CXR), try ... not seen on a CXR ... #Radiology #CTChest