30 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 ... consolidation #Clinical ... #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 ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
clinical findings ... 3: Necrosis of bone ... destroying thin bony ... into contiguous areas ... postauricular crease
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... LowAttenuation #Cystic #Pattern ... #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
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
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 ... shows a mosaic pattern ... #Clinical #Radiology
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
can cause pneumomediastinum ... travels from these areas ... in subcutaneous areas ... #PhysicalExam #Clinical ... #Video
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
ULTRASOUND Bone ... : Bone is represented ... can pass through bone ... the fibrillar pattern ... #Radiology #Comparison