53 results
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
↓Phosphate • Secondary ... Symptoms: Commonly no signs ... easily/weakness, Bone ... Hyperparathyroidism #diagnosis #endocrinology ... #Tertiary #pathophysiology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Diagnosis Algorithm ... Hyperthyroid, Bony ... #Diagnosis #Algorithm ... #causes #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - Differential ... Diagnosis Algorithm ... long-standing secondary ... Cytokine-Mediated Bone ... #Endocrinology
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Fragility Fractures - Differential ... Diagnosis Algorithm ... Tumours - See Bone ... Lesions Scheme Paget's ... Osteodystrophy - Secondary
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
Insufficiency - Differential ... Diagnosis Workup Algorithm ... or tuberculosis Secondary ... Insufficiency #Differential ... #endocrinology
Hypercortisolism (Cushing syndrome) - Simplified Differential Diagnosis Algorithm
Exogenous (ACTH-independent)
Endogenous
 • ACTH-dependent:
    - ACTH-secreting
) - Simplified Differential ... Diagnosis Algorithm ... neoplasm in the body ... #Diagnosis #Algorithm ... #endocrinology
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... involucrum • Paget ... lytic-blastic phase • Paget ... blade of grass sign ... #Differential #
Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
Secondary hyperthyroidism ... Signs/Symptoms: ... Hyperthyroidism #endocrinology ... #pathophysiology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... Diagnosis Algorithm ... baseline ACTH - Secondary ... #Diagnosis #Algorithm ... #endocrinology
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Hyperuricemia - Differential ... Diagnosis Algorithm ... • Starvation Secondary ... #Diagnosis #Algorithm ... #endocrinology