PTEN Hamartoma Tumor Syndrome Pediatric Patient Registry

PtenTurkiye.org' is a national ( Turkish), web-based registry for PTEN Hamartoma Tumour ( PHTS) syndrome established in 2022. It is designed to increase awareness, gather scientific knowledge by collaboration and increase data accessibility, collect high-quality data on the epidemiology, genetic background and natural history of PHTS especially for pediatric patients so that more accurate follow up guidelines can be recommended.

Inclusion Criteria: * Patients who have clinical findings of PHTS and have mutation in PTEN gene ( VUS included if show clinical findings) and agree to participate in the study Exclusion Criteria: * Patients who do not have clinical findings of PHTS and do not have mutation in PTEN gene and do not agree to participate in the study