22 results
Primary and Secondary Causes of Osteoporosis

Primary osteoporosis 
 - idiopathic juvenile osteoporosis 
 -  postmenopausal
Primary and Secondary ... Secondary osteoporosis ... arthritis - osteogenesis ... #Secondary #Causes ... #Differential #
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Hyperparathyroidism - Primary vs Secondary ... ↓Phosphate • Secondary ... Fragile bones/osteoporosis ... Hyperparathyroidism #diagnosis #endocrinology ... #PTH #Primary #Secondary
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Fragility Fractures - Differential ... Osteodystrophy - Secondary ... Deficiency Primary Osteoporosis ... Osteoporosis ... Pathologic #MSK #Differential
Causes of Secondary Amenorrhea - Differential Diagnosis
 • Pregnancy
 • Endocrinopathies: PCOS, Hypothyroidism
 • HPA Dysfunction:
Causes of Secondary ... Amenorrhea - Differential ... BrighamChiefs #Secondary ... #Amenorrhea #Differential ... Diagnosis #Causes #endocrinology
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
Insufficiency - Differential ... or tuberculosis Secondary ... Insufficiency #Differential ... Workup #Algorithm #endocrinology
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Hyperuricemia - Differential ... • Starvation Secondary ... High purine diet Secondary ... Hyperuricemia #Differential ... Diagnosis #Algorithm #endocrinology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... baseline ACTH - Secondary ... Insufficiency #Differential ... Diagnosis #Algorithm #endocrinology
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Insufficiency - Differential ... ACTH-Dependent (Secondary ... Insufficiency #AI #Differential ... Algorithm #Causes #endocrinology
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Hyperthyroidism - Differential ... Algorithm • Secondary ... Hyperthyroidism #Differential ... Diagnosis #Algorithm #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - Differential ... long-standing secondary ... Hypercalcemia #Differential ... Diagnosis #Algorithm #Endocrinology