Transmission block technique for the treatment of the pelvis and perineum including the inguinal lymph nodes: Dosimetric considerations

G. C. King, D. A. Sonnik, A. M. Kalend, Andrew Wu, S. Kalnicki

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Radical radiotherapy of pelvic malignancies (e.g., vulva, anus) includes therapeutic dosage to the inguinal nodes. To minimize the dosage to the femoral head, the transmission block technique has been developed to fully irradiate the central pelvis midplane and inguinal nodes. Originally, this technique compensated for dose inhomogeniety in the transverse plane only. In some patients, however, we have observed a significant dose variation along the sagittal plane. The authors have developed a lead compensation technique to homogenize the sagittal dose variations due to the longitudinal sloping in the patient, along with further refinements in this technique. Dosimetric and technical details are also discussed.

Original languageEnglish (US)
Pages (from-to)7-12
Number of pages6
JournalMedical Dosimetry
Volume18
Issue number1
DOIs
StatePublished - Jan 1 1993
Externally publishedYes

Keywords

  • Dose variation
  • Dosimetry
  • Inguinal nodes
  • Malignancies
  • Transmission block

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Oncology
  • Radiology Nuclear Medicine and imaging

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