Analysis of adolescent oncology cases from 2008 through 2018 in a tertiary-level hospital: an opportunity for improvement.

Purpose: The purpose of this study was to disclose the variability of pathways currently taken in the treatment of adolescent patients from diagnosis to final follow-up with a view to developing a more homogenous system. Patients & methods: A cross-sectional, observational and retrospective study of the cancer diagnosis and assignment to medical care teams in adolescent patients (12-20 years) from January 2008 to December 2018 was conducted. A total of 345 adolescent patients aged between 12 and 20 years, diagnosed with cancer and treated at Hospital Clinico Universitario Virgen de la Arrixaca were included. Results: CNS tumors, followed by leukemia were the most frequent tumors. At the time of diagnosis, the highest incidences of patients were assisted in the pediatrics service adult oncology service (21.7%) and hematology (11%). Conclusion: Our aim is to highlight the need for a better transition for patients from pediatric to adult oncology and hematology services.