24 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 #
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
• Metastatic bone ... metastasis: • Breast ... Lung. thvroid. and ... and tumor (Ill-defined ... BoneTumors #Malignant #Radiology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
swelling of the bone ... • Bone and joint ... radiographs of affected areas ... as the collar bone ... , breast bone, pelvis
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 ... carcinoma with both areas ... #Comparison #Table
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
Increased renal and ... resorption in the bone ... resorption in the bone ... lung, Renal Cell, Breast ... Differential #Diagnosis #algorithm
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
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
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Differential Diagnosis Algorithm ... Hyperplasia • MEN 1 and ... Breast, Kidney, ... Cytokine-Mediated Bone ... Lymphomas) Metastatic Bone
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... neck (shown in video ... travels from these areas ... in subcutaneous areas ... PhysicalExam #Clinical #Video