20 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... • Aneurysmal Bone ... Histiocytoma #Primary #Bone ... #Bony #Tumors # ... Tumours #MSK #Differential
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... Simple/unicameral bone ... • Aneurysmal bone ... #Bony #Differential ... #msk #lesions #adult
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... ) • Enostosis/bone ... docskalski #Knee #Bone ... #Bony #Differential ... #msk #lesions #adult
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
Bone Tumor Location ... degenerative subchondral bone ... Enchondroma and infections ... #Bone #Tumor #Location ... #Bony
Causes of Hyperferritinemia - Differential Diagnosis
Ferritin > 1000
Ferritin is the storage form of iron. Increased hepcidin
be used by the bone ... Infection -16% ... HLH or Adult Onset ... Infection - 46% ... In adults, HLH is
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... - Vertigo - Differential ... Media • Temporal Bone ... nystagmus - Infection ... Diagnosis #Algorithm #Causes
Mediastinal Mass - Differential Diagnosis Framework

Anterior Mediastinal Mass - 5T’s
 • Thymic neoplasm
 • Teratoma (or
Mediastinal Mass - Differential ... form from bone marrow ... These include infections ... small pupil) on one ... Mediastinal #Mass #Differential
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... common type in adults ... Normal: Air > bone ... hearing loss: Bone ... cause unknown)
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 ... - Differential ... - Giant cell tumor ... - Aneurysmal bone ... #differential #
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Epidemiology: young adults ... e.g., HIV), EBV infection ... translocation • Types: Classification ... extranodal) - Tumor ... ALL) • Solid Tumors