6 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... emphysema: no walls, central ... #Radiology #CTChest ... Differential #Comparison #Table
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... proper clinical setting ... feeding vessel sign ... feeding vessel sign ... #CXR #CTChest #
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
0.001 mSv 3 hours CENTRAL ... Doses #Imaging #ChestXRay ... #CXR #CT #Nuclear ... #Comparison #Table ... #Risks #Testing
Pertinent Chest x-ray Findings in the Trauma Patient and Implications
Respiratory distress without x-ray findings - Central
x-ray findings - Central ... abdominal viscus #cxr ... #chestxray #trauma ... #diagnosis #signs ... #radiology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Common Causes: • Cystic ... no evidence of cystic ... Nasal polyps and signs ... parenchyma Diagnosis ... high-resolution chest CT
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
challenging differential diagnosis ... can identify the central ... dot sign. ... #Clinical #Radiology ... #CXR #CTChest #