9 results
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... failure, Addison's disease ... #differential # ... diagnosis #calcium ... #high #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Granulomatous Disease ... Bony Mets - Calcium ... Diagnosis #Algorithm #causes ... #endocrinology
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Lesion on X-Ray - Differential ... Enchondroma (can calcify ... #Mass #Tumor #BoneLesion ... #XRay #MSK #Differential ... #Orthopedics #Causes
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... “Pseudogout” - Calcium ... Reiter’s syndrome) Aseptic ... Joint #Disorders #msk ... #Differential #
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... Lithium use • Calcium-sensing ... Hypercalcemia #Causes ... #endocrinology ... #diagnosis #differential
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
(HADD) - MSK Radiology ... consistent with Calcium ... adjacent to the Calcium ... Case description ... Differential diagnosis
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Bursa • Aseptic ... Osgood-Schlatter Disease ... Intraarticular #MSK ... #Differential # ... #Orthopedics #Causes
Causes of Hypocalcemia by Clinical Cause

Acute illness: pancreatitis, tumor lysis, severe illness - Secondary hyperparathyroidism from
low circulating calcium ... levels Autoimmune disease ... removal Renal disease ... #Differential # ... Diagnosis #Endocrinology
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... - Differential ... Diagnosis Decreased calcium ... Miscellaneous • Sepsis ... #endocrinology