12 results
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
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
2-view chest 0.02 ... and lateral abdomen ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison ... #Table #Risks #
Kussmaul's Sign and Friedreich's Sign on Neck Examination

A middle-aged M with unknown PMH presents with dyspnea.
and Friedreich's ... Sign on Neck Examination ... demonstrated in the video ... the skin (middle chest ... #Cardiology
Kussmaul's sign in Constrictive Pericarditis 

A 50-year-old woman with a remote history of mediastinal lymphoma (age
blue marks on her chest ... her JVP (video) ... #PhysicalExam #Video ... #Clinical #Neck ... Pericarditis #Cardiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... On a Chest X-Ray ... #Diagnosis #Radiology ... Interstitial #Pattern #Differential
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... it difficult to differentiate ... Pericarditis #Symptoms #Signs ... #Presentation #comparison ... #Table #Diagnosis
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... #Clinical #Radiology ... #Pulmonary #CTChest ... Carcinomatosis #Mimic #Differential ... #Comparison #Table
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
- Extremity (hand ... #PatientInfo #Radiology ... Imaging #ChestXRay #CXR ... #CT #Nuclear #Comparison ... #Table #Risks #
Continuous Diaphragm Sign and Pneumomediastinum on Chest XRay

16yo boy referred in by his GP with7/10 chest
Continuous Diaphragm Sign ... radiated up his neck ... with a repeat CXR ... Pneumomediastinum #ChestXRay #CXR ... #Radiology #Clinical
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
most challenging differential ... the central dot sign ... helpfull in the differential ... #Clinical #Radiology ... #CXR #CTChest #