151 results
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
signs, Fragile bones ... easily/weakness, Bone ... pain Psychiatric Symptoms ... Hyperparathyroidism #diagnosis ... #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
- Differential Diagnosis ... Tumors: Lung, SCC, renal ... Miscellaneous - Bone ... #Algorithm #causes ... #endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... breast, lung, renal ... lung cancer • Renal ... #endocrinology ... #diagnosis #differential
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... due to increased bone ... Pseudohyperparathyroidism, Renal ... #differential #diagnosis ... calcium #high #endocrinology
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
Most cases diagnosed ... mineralization Symptoms ... neuropathy • Renal ... : - Renal failure ... Phosphatase: • Other causes
Causes of Solid or Cystic Renal Mass - Differential Diagnosis Algorithm
Solid Renal Mass:
 • Benign <3
Causes of Solid ... or Cystic Renal ... - Differential Diagnosis ... #Differential #Diagnosis ... #Algorithm #Causes
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
- Differential Diagnosis ... Intestine - Other causes ... Most common symptoms ... Pregnancy - Renal ... symptoms - Pain
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
- Differential Diagnosis ... Intake • Chronic Renal ... Production • Renal ... #Algorithm #Endocrinology ... #Causes
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
- Differential Diagnosis ... PO4 < 20%: • Renal ... Context of Impaired Renal ... #Algorithm #endocrinology ... #causes
Cushing Syndrome - Signs and Symptoms
Generalized: Weight gain, Slow healing of cuts, Increased risk of infections,
Syndrome - Signs and Symptoms ... blood pressure Bones ... Syndrome #Signs #Symptoms ... #diagnosis #endocrinology