MEN1 and tumor of parathyroid gland: For parathyroidectomy (N = 35; mean age of 15.2 ± 2.9 years; male-to-female ratio of 1 to 1.9; MEN1 affected 8.5% of this subgroup; median parathyroid tumor weight of 2 g) one-third of them developed hungry bone syndrome following parathyroid removal with a cure rate of 97% which is close to the general results from most studies [196].