22 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Aggressive, Non-Malignant ... Cyst Malignant ... Leiomyosarcoma • Malignant ... Tumours #MSK #Differential ... #Orthopedics #Causes
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Osteoblastoma (may be malignant ... calcify &/or turn malignant ... " appearance) Malignant ... BoneLesion #XRay #MSK ... #Orthopedics #Causes
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
abrasion • Foreign body ... EricsMedicalLectures/ #Red #Eye #redeye ... Differential #Diagnosis #table ... #causes #ophthalmology
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Tumours - See Bone ... Gastrointestinal Disease • Bone ... Endocrinopathy • Malignancy ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
sleeping as in this case ... and fall of the body ... #orthopedics #msk ... #sports #neurology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Systemic disease - Malignancy ... dislocation Malignant ... - Aneurysmal bone ... differential #diagnosis #msk
Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
 - Location
IBD Comparison Table ... ileum • Most cases ... involvement of different parts ... Amy Chung, MD, MSc ... IBD #Comparison #Table
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework Bone ... /Joint Causes of ... tendinitis • Malignancy ... Hematoma Venous Causes ... lower #extremity #msk
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 ... anterior chest wall, parts ... Rule out other causes ... as infectious, malignant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... antibiotics once stable ... shows a small, stable ... polyangiitis) • Malignancy ... #differential #causes