Which of the following conditions are associated with osteoporosis?: (A) Cushing's syndrome, (B) Anorexia nervosa, (C) Acromegaly, (D) All the above
Answer is D. 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.