Aim

Synovial sarcoma (SS) is a malignant soft tissue sarcoma with a poor prognosis because of late local recurrence and distant metastases. To our knowledge, no studies have minimum follow-up of 10 years that evaluate long-term outcomes for survivors.

Rationale: Osteosarcoma predominantly affects adolescents and young adults. Reduced fertility in men is well documented following treatment for osteosarcoma and related to chemotoxicity.

We have however not found data about the health of children of patients formerly treated for osteosarcoma.

Among our few patients we have had one offspring with an infantile fibrosarcoma successfully treated with high dose chemotherapy and surgery. One mother has secondary gastric malignancy after successful pregnancy.

With this contribution we want to draw the attention to include data of children in the long-term implications of osteosarcoma and its treatment.

Materials and Methods: Patients: Of 75 patients with osteosarcoma 11 patients (5 women, 6 men) have 16 children‚ produced’ after completed oncologic treatment

All women became pregnant as planned. There are no female patients evidently infertile. One man among our patients shows azoospermia and is infertile. One man with oliogespermia has a healthy daughter after successful vitro fertilisation.

All patients have had treatment for osteosarcoma after puberty.

Offsprings: Pregnancy and delivery were uneventful for all children. The one girl mentioned above at birth showed a tumor of the Plexus brachialis which was a biopsy proven infantile fibrosarcoma. She received high dose chemotherapy. Resection of the tumor retaining the brachial at 9 months of age showed only scarce tumor residuals; she is disease free at 4 years of age. Her two siblings are healthy

Conclusion: We want to stress that in follow up studies events during pregnancy and health of offsprings should be included.