43 results
Paget's Disease of Bone

 • Characterized by an ↑ rate of bone turnover with both excessive
of Bone • Characterized ... and formation of bone ... • Caused by ( ... more (polystotic) bones ... pelvis, and long 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
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... in Sickle Cell Disease ... Generally affects long bones ... BrighamChiefs #Bone ... Pain #SickleCell #Disease
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
Paget’s Disease: ... excessive bone ... MSK • Deformed bones ... Lytic lesions make bones ... of middle ear bones
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Differential Diagnosis Algorithm ... Dwarfism) • Hypothyroidism ... Chemotherapy • Bone ... Celiac, IBD) • ... endocrinology #causes
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
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Differential Diagnosis Algorithm ... stimulation (placenta/Bone ... - Highest • Bone ... Intestine - Other causes ... - Bone symptoms
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Granulomatous Disease ... Miscellaneous - Bone ... Hyperthyroid, Bony ... #causes #endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... D) Increased bone ... vitamin A intake • Hyperthyroidism ... of bone Malignancy ... Multiple myeloma (bone
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... due to increased bone ... failure, Addison's disease ... , Hyperthyroidism ... Hypercalcemia #Causes