16 results
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
Paget’s Disease: ... MSK • Deformed bones ... Lytic lesions make bones ... of middle ear bones ... PagetsDisease #pathophysiology
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
synthesized in: liver, bone ... • softening of bones ... of feet, thigh bones ... : Inhibitor of bone ... Skeletal: - Bone
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Elevated PTH (High or normal ... Granulomatous Disease ... Miscellaneous - Bone ... Hyperthyroid, Bony ... #causes #endocrinology
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
tissue over all the bones ... Bones - All the ... bones of the hand ... in between the bones ... to the carpal bones
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Differential Diagnosis Algorithm ... • Cushing's Disease ... Chemotherapy • Bone ... Celiac, IBD) • ... endocrinology #causes
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
inflammatory disorder of bone ... inflammation of the bones ... • Bone and joint ... Rule out other causes ... osteoarticular and skin disease
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... cytokines (TNFa,lL1, IL6 ... , Biological + Bone ... /ml, ↑ LDH • Bone ... Drugs, Unknown cause
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
The larger ones ... are ill-defined ... consolidations, but one ... masses. ... lab-findings were normal
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
vast majority of cases ... phosphorous in bones ... Pseudogout #CPPD #Disease ... Signs #Symptoms #Pathophysiology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Vascular Causes ... function may be abnormal ... hemolysis) • ALP: Bone ... differential #diagnosis #algorithm