POMC and endocrine system disorder: On admission, serological examination showed no endocrinopathy [adrenocorticotropic hormone (ACTH): 18.8 pg/ml; cortisol: 9.3 μg/dl; growth hormone: 0.3 ng/ml; insulin-like growth factor 1: 107 ng/ml; prolactin: 8.0 ng/ml; thyroid-stimulating hormone: 2.36 μIU/ml; free T4: 1.68 ng/dl], and normal response for ACTH loading test.