Spatially fractionated GRID radiation treatment of advanced neck disease associated with head and neck cancer

Jeniffer L. Huhn, William F. Regine, Joseph P. Valentino, Ali S. Meigooni, Mahesh Kudrimoti, Mohammed Mohiuddin

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

Abstract

Advanced nodal disease associated with head and neck cancer warrants aggressive, often multi-modality therapy to maximize local-regional control. The expansion of a novel treatment paradigm developed by our institution includes the addition of a single-fraction of high dose spatially-fractionated radiation (GRID) to a conventional course of treatment. Between 1995 and 2002 a series of 27 patients (median age 65) with bulky N2-3 disease were treated. Median nodal tumor size was 7 cm. Two groups of patients were evaluated. Group 1 (N=14) patients received a median neck dose 69 Gy (range 54-79 Gy) plus GRID treatment. Group 2 (N=13) patients received a median neck dose of 59 Gy (range 54-72 Gy) plus GRID treatment followed by planned neck dissection. Patients were evaluated for local-regional control, pathological response, survival, and morbidity. Median time to follow-up for Group 1 was 10 months (range 3-44 months). Neck control was 93%. Disease specific survival was 50%. Morbidity was limited to soft-tissue related damage and was mild. Median time to follow-up for Group 2 was 38 months (range 5-116 months). Pathologic complete response rate was 85%. Overall neck control rate was 92%. Disease specific survival was 85%. Surgical morbidity was limited to three wound healing complications. GRID treatment may be safely added to conventional treatment management of locally advanced neck disease related to cancer with acceptable morbidity. It may improve pathologic complete response rates in those patients who undergo planned neck dissection, possibly leading to improved survival. In patients with inoperable bulky disease, addition of GRID enhances local-regional control.

Original languageEnglish
Pages (from-to)607-612
Number of pages6
JournalTechnology in Cancer Research and Treatment
Volume5
Issue number6
DOIs
StatePublished - Dec 2006

Keywords

  • GRID
  • Head and neck cancer
  • Spatial fractionation

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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