14 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 ... Nerve Palsies • Disordered ... of middle ear bones
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
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
of bone, joint, ... inflammation of the bones ... • Bone and joint ... Rule out other causes ... osteoarticular and skin disease
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Differential Diagnosis Algorithm ... Tumours - See Bone ... • Bone Marrow ... Disorder • Endocrinopathy ... #Orthopedics #Causes
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
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 ... • Autoimmune diseases
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
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
Mucous membranes • Bone ... failure to thrive • Ill ... , or any other cause ... weeks #Scurvy #Pathophysiology ... #AscorbicAcid #Pathophysiology
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
particular affinity for bone ... areas include the bones ... pituitary gland • Bone ... ribs, and long bones ... Liver, Spleen, Bone
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
Summary Group of disorders ... the extent of disease ... muscle wasting Bone ... -1 & IL-6 → AA Protein ... hypoadrenalism • Nausea