This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': "Weak giants' are produced by : \nSelect and explain. \nA. Thyroid adenomas, B. Thyroid carcinomas, C. Parathyroid adenomas, D. Pituitary adenomas", 'role': 'user'}, {'content': 'Answer: D \nExplanation: In children and adolescent growth hormone hyper secretion prior to epiphyseal long bone closure causes gigantism.\nThe muscles often appear enlarged but they have decreased force generation.\nSo, hyperpituitarism causes giants which have weak muscles and the most common cause of hyperpituitarism is a pituitary adenoma.\nMyopathy of hyperpituitarism.\nPatients with hyperpituitarism have a mild proximal weakness with muscle atrophy.\nMyopathy is related to the degreed of acromegaly.\nRemember that all endocrinal disorders cause myopathy but none of them causes gigantism except hyperpituitarism.', 'role': 'assistant'}]