Acropachy is one of the rare manifestations of thyroid disease. Most cases are reported in older adults. This patient, a 14-year 9-month-old boy with hyperthyroidism is probably the youngest case described in the literature.
Thomas J, Collipp PJ, Sharma RK. Thyroid Acropachy. Am J Dis Child. 1973;125(5):745-746. doi:10.1001/archpedi.1973.04160050087018