Publicaciones científicas

Perioperative high-dose-rate brachytherapy in soft tissue sarcomas of the extremity and superficial trunk in adults: initial results of a pilot study

Martínez-Monge R., San Julián M., Amillo S., Cambeiro M., Arbea L., Valero J., González-Cao M., Martín-Algarra S.
Department of Oncology, University of Navarra Clinic, University of Navarra, Pamplona, Spain.

Revista: Brachytherapy

Fecha: 01/01/2005

Cirugía Ortopédica y Traumatología Oncología Médica Oncología Radioterápica

PURPOSE
This study was undertaken to determine the feasibility of perioperative high-dose-rate brachytherapy (PHDRB) as an alternative to standard low-dose-rate brachytherapy in adult patients with soft tissue sarcomas.

METHODS AND MATERIALS
Twenty-five adult patients with soft tissue sarcomas of the extremities or the superficial trunk were treated with surgical resection and PHDRB (16, 24, or 32Gy) for negative, close/microscopically positive, or grossly involved surgical resection margins, respectively. External beam radiation therapy (45Gy) was added postoperatively. Adjuvant chemotherapy with ifosfamide and doxorubicin was given to patients with high-grade tumors.

RESULTS
Resection margins were negative in 6 patients (24.0%), close/microscopically positive in 18 (72.0%), and grossly involved in 1 (4.0%). One patient (4.0%) with wound dehiscence needed reoperation. Three patients failed in the anatomical region treated, but relapse sites were not adjacent to the area treated with PHDRB. After a median followup of 23.2 months (range 2.8-48.0), the 4-year local and regional control rates were 100% and 80.5%, respectively. Four-year overall survival was 78.2%.

CONCLUSIONS
Locoregional control and survival results are encouraging for this high-risk patient population. PHDRB results seem to be similar to those obtained with low-dose-rate brachytherapy.

CITA DEL ARTICULO  Brachytherapy. 2005;4(4):264-70

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