9 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... in adults - Breast ... • Aneurysmal Bone ... Histiocytoma #Primary #Bone ... #Bony #Tumors #
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Bone Lesion on X-Ray ... /or Non-Active Bone ... • Unicameral Bone ... Appearance • Osteoid ... #Orthopedics #Causes
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 ... #causes #endocrinology
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
Hypercalcemia of Malignancy ... resorption in the bone ... resorption in the bone ... lung, Renal Cell, Breast ... Differential #Diagnosis #algorithm
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
D) Increased bone ... Paget's disease of bone ... Malignancy • ... Multiple myeloma (bone ... metastases: thyroid, breast
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
inflammatory disorder of bone ... Rule out other causes ... as infectious, malignant ... radiographs of affected areas ... , breast bone, pelvis
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Differential Diagnosis Algorithm ... /lsotretinoin Malignancy ... Breast, Kidney, ... Cytokine-Mediated Bone ... Lymphomas) Metastatic Bone
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Vascular Causes ... Infiltration: Often breast ... Biliary stone, Malignancy ... hemolysis) • ALP: Bone
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
vs infection vs malignancy ... present variably: On one ... identifies 85 to 95% of cases ... one to two weeks ... required +/- prompt ophthalmology