48 results
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
fragmentation and mild bone ... tuberosity Differential diagnosis ... marrow edema and bony ... #Knee #patella ... clinical #Radiology #diagnosis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... - Systemic disease ... Intra-articulation fracture - Patellar ... - Aneurysmal bone ... #differential #diagnosis
Paget's Disease of Bone

 • Characterized by an ↑ rate of bone turnover with both excessive
Paget's Disease ... to a "mosaic" lamellar ... • The disease ... medperspective #Pagets #Disease ... #Bone #diagnosis
Diagram of different types of bone tumors that can occur around the knee on XRay -
occur around the knee ... involucrum • Paget disease ... phase • Paget disease ... @docskalski #Knee ... Diagnosis #Bony
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
occur around the knee ... involucrum • Paget disease ... phase • Paget disease ... @docskalski #Knee ... #Diagnosis #Radiology
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
consistent with bone ... There is also a bone ... injury of the knee ... Differential diagnosis ... #knee #clinical
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... - Differential Diagnosis ... Knee Joint • ... • Patella (e.g ... • Dwarfism #Bone
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
- Differential Diagnosis ... Granulomatous Disease ... Miscellaneous - Bone ... Hyperthyroid, Bony ... Algorithm #causes #endocrinology
Osteoporosis: Pathogenesis and risk factors

 • Age > 30 (post-peak bone mass)
 • Post-menopausal women ->
30 (post-peak bone ... Decr estrogen • Bone ... liver or kidney disease ... #Osteoporosis #pathophysiology ... signs #symptoms #diagnosis
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
signs, Fragile bones ... easily/weakness, Bone ... Hyperparathyroidism #diagnosis ... #endocrinology ... Secondary #Tertiary #pathophysiology