7 results
Multiple Endocrine Neoplasias (MEN syndromes) 

MEN I
• Hyperparathyroidism 
• Hypercalcemia 
• Possible ZE syndrome 
• Various
• Increased calcitonin ... • Increased calcitonin ... MultipleEndocrineNeoplasia #Differential ... Classification #Diagnosis
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia Diagnostic ... Redistribution - 1° HPT ... phosphorus #low #diagnosis ... #Algorithm #differential
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Diagnosis Algorithm ... PTH: • Elevated Calcitriol ... Hypercalcemia #Differential ... #Diagnosis #Algorithm
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Hypercalcemia - Differential ... Diagnosis Algorithm ... diseases, Idiopathic calcitriol ... Hypercalcemia #Differential ... #Diagnosis #Algorithm
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - Differential ... Diagnosis Algorithm ... Excess Vitamin D/Calcitriol ... Hypercalcemia #Differential ... #Diagnosis #Algorithm
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
prostate (release of calcitriol ... endocrinology #diagnosis ... #differential
Causes of Chronic Diarrhea
Osmotic Diarrhea
 1. Medications: antacids, lactulose, sorbitol
 2. Disaccharidase deficiency: lactose intolerance
 3.
carcinoma of thyroid (calcitonin ... Diarrhea #Causes #Differential ... #diagnosis