Which of the following conditions are associated with osteoporosis?
Cushing's syndrome
Anorexia nervosa
Acromegaly
All the above
Cushing's syndrome, anorexia nervosa and acromegaly are all associated with osteoporosis. Other endocrine disorders associated with osteoprosis are hyperparathyroidism, thyrotoxicosis, type 1 diabetes and adrenal insufficiency.