Metastatic primary angiosarcoma of the breast in a pediatric patient with a complete response to systemic chemotherapy and definitive radiation therapy: case report and review of the literature.

We present a case of a rare malignancy, primary breast angiosarcoma, in a 15-year-old girl. She presented with a locally advanced tumor and suspected metastatic disease to the mediastinum and bones on PET imaging. The patient was treated with systemic chemotherapy and definitive radiation therapy to her left breast and achieved a complete response.

Excellent local control from radiation therapy for high-risk neuroblastoma.

Purpose: Local recurrence has been demonstrated in previous studies to be one of the obstacles to cure in neuroblastoma. Radiation therapy indications, optimal dose, and technique are still evolving. Here we report our experience of high-risk neuroblastoma patients who received local radiation therapy as part of their cancer management.

Primary retroperitoneal teratomas: a review of the literature.

Teratomas are uncommon neoplasms comprised of mixed dermal elements derived from the three germ cell layers. Historically, teratomas were attributed to demons, sexual misconduct, and abnormal fertilization. They attract attention because of their bizarre histology and gross appearance.