Lipossarcoma Retroperitoneal- Relato de um caso raro

Introduction Ionizing radiation comes from natural (radioactivity and cosmic radiation) or artificial sources. The ionizing radiation, which includes the X-ray radioactive isotopes produced in nuclear reactors, has many applications, notably industries, investigation medicine sectors, turning health professionals into exposed workers. Case description A case of a 61-year-old women, radiologic technologist radiology department pediatric hospital, with forty years exposure, culminating retroperitoneal liposarcoma diagnosis, as described. Discussion exposure to high levels is related induction, yet not exclusive, cancer. Accordingly, International Agency for Research on Cancer, directly an increased risk sarcomas, squamous cells carcinomas adenocarcinomas. Conclusion protection professional workers within hospital (as workplace), brings up major challenge occupational services, must organize radiological programs aiming minimize potential adverse effects it. Key-words: protection, cancer, liposarcoma, health, work medicine.