24 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
- Differential Diagnosis ... Algorithm Metastatic ... in adults - Breast ... #Differential #Diagnosis ... Causes #Oncology #Radiology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
- Differential Diagnosis ... Algorithm Elevated ... renal, Bladder, Breast ... Hyperthyroid, Bony ... #Algorithm #causes
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
space narrowing (least ... directly under the areas ... of bone-bone contact ... Osteoarthritis #OA #Xray #radiology ... #diagnosis #findings
Malignant Bone Tumors: Pathogenesis of X-ray appearance

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

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
lower-extremity joints Diagnosis ... • A clinical diagnosis ... radiographs of affected areas ... , breast bone, pelvis ... #Rheumatology #diagnosis
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
resorption in the bone ... resorption in the bone ... lung, Renal Cell, Breast ... #Differential #Diagnosis ... #algorithm
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
- Differential Diagnosis ... Algorithm Primary ... Breast, Kidney, ... Cytokine-Mediated Bone ... #Differential #Diagnosis
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
(normal sinus beat ... a ventricular beat ... Brugada algorithm ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
- Differential Diagnosis ... Algorithm Physiological ... Fascicle (Other CN Ill ... • Tumor (Lung, Breast ... #Algorithm #Causes
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... sudden-onset shortness of breath ... neck (shown in video ... travels from these areas ... in subcutaneous areas