41 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

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

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... • Metastatic bone ... metastasis: • Breast ... and tumor (Ill-defined ... BoneTumors #Malignant #Radiology
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Differential Diagnosis Algorithm ... Fascicle (Other CN Ill ... • Tumor (Lung, Breast ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
radiographs of affected areas ... , breast bone, pelvis ... blockers had the best ... -1 inhibitors, IL ... inhibitors, and IL
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 ... Breast, Kidney, ... Cytokine-Mediated Bone ... Lymphomas) Metastatic Bone ... Differential #Diagnosis #Algorithm
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
Landolfi’s Sign on Physical Exam

A 73-year-old man presented with shortness of breath. On ocular exam, pupil
Exam A 73-year-old ... with shortness of breath ... PhysicalExam #Clinical #Video ... AorticRegurgitation #Cardiology