PT - JOURNAL ARTICLE AU - Fatimah Ahmed AU - Daniel Zeve AU - Kate Millington AU - Corinna Rea TI - 11-year old boy with facial hair, acne and deepened voice AID - 10.1136/bcr-2018-226600 DP - 2019 Mar 01 TA - BMJ Case Reports PG - e226600 VI - 12 IP - 3 4099 - http://casereports.bmj.com/content/12/3/e226600.short 4100 - http://casereports.bmj.com/content/12/3/e226600.full SO - BMJ Case Reports2019 Mar 01; 12 AB - 11-year old twin boy found to have idiopathic precocious puberty after routine well-child examination revealed discordant pubertal growth between the two brothers.