20 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... in adults - Breast ... • Aneurysmal Bone ... Histiocytoma #Primary #Bone ... #Bony #Tumors #
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... with peripheral areas ... #HRCT #CTChest ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
inflammatory disorder of bone ... • Bone and joint ... Rule out other causes ... radiographs of affected areas ... , breast bone, pelvis
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
with areas of ground-glass ... areas of low attenuation ... distortion in a mid zone ... #Clinical #Radiology ... #CXR #CTChest #
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
the underlying bone ... bones of the hand ... the trabecular pattern ... Other areas - Last ... Interpretation #Checklist #radiology
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
neck (shown in video ... can cause pneumomediastinum ... travels from these areas ... in subcutaneous areas ... PhysicalExam #Clinical #Video
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
6 mSv 2 years BONE ... - Extremity (hand ... S IMAGING - Bone ... ’S IMAGING - Bone ... #Table #Risks #
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
Anteroposterior and ... 99m radionuclide bone ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison ... #Table #Risks #