TY - CHAP M1 - Book, Section TI - Hypothalamic Hamartoma and Gelastic Epilepsy A1 - Ng, Yu-tze A2 - Duchowny, Michael A2 - Cross, J. Helen A2 - Arzimanoglou, Alexis Y1 - 2017 N1 - T2 - Pediatric Epilepsy AB - Hypothalamic hamartomas (HHs) are congenital mass lesions in the region of the third ventricle and tuber cinereum. Their true prevalence is unknown and is approximated to be 1 in 100,000. This estimated prevalence appears high but may actually be an underestimate as the diagnosis is often missed or at least significantly delayed.1 SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/10/15 UR - accesspediatrics.mhmedical.com/content.aspx?aid=1138411346 ER -