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Between January 1976 and March 1982, 80 patients with histologically proven diagnosis of squamous cell carcinoma of the tonsillar region were treated with definitive radiotherapy. Sixty-five (81%) of these patients had locally advanced tumors (Stage III and IV); 49% of patients had clinically palpable cervical lymphadenopathy. All patients received a(More)
PURPOSE We used clinical patient data to examine implant displacement between high dose rate (HDR) brachytherapy fractions for prostate cancer to determine its impact on treatment delivery. MATERIALS AND METHODS We analyzed the verification films taken prior to each fraction for 96 consecutive patients treated with HDR brachytherapy boosts as part of(More)
OBJECTIVE Our purpose was to evaluate the role of interstitial brachytherapy in vulvar cancer management. STUDY DESIGN From 1985-1992 we performed a retrospective study of patients treated at the University of California, Irvine Medical Center, and Long Beach Memorial Medical Center. RESULTS Eleven patients received interstitial brachytherapy, with (n =(More)
Forty patients with a diagnosis of recurrent pelvic malignancy from various primary sites with no clinical evidence of distant metastasis were re-irradiated with interstitial implant. Removable after-loading 192Ir sources or permanent 125I seeds or a combination of both were used. Twenty-six of these patients received interstitial implant at the time of(More)
OBJECTIVE Virtual colonoscopy (VC)/CT colonography has advantages over the well-documented limitations of colonoscopy/barium enema. This prospective blinded investigative comparison trial aimed to evaluate the ability of VC to assess the large bowel, compared to conventional colonoscopy (CC), in patients at high risk of colorectal cancer (CRC). METHOD We(More)
BACKGROUND The objective of this study was to evaluate long-term treatment outcome of definitive irradiation by using temporary interstitial implant and limited dose of external beam radiotherapy in treatment of localized prostate carcinoma. METHODS In total, 536 patients with biopsy-proven adenocarcinoma of the prostate, classification T1-T3, underwent(More)
The controversy about the treatment of carcinoma of the prostate has increased in the last decade, with most urologists favoring radical prostatectomy rather than primary irradiation. Several reports of persistent tumors in 50% to 90% of patients after external irradiation and permanent iodine-125 implantation of the prostate have been disturbing. From July(More)
A total of 70 patients with histologically proven diagnosis of carcinoma of the base of the tongue were treated with primary irradiation between May 1974 through April 1984. Fifty-eight (83%) of these patients had locally advanced tumors (Stage T3, T4, N2, N3). Fifty-one of the 70 (73%) patients had clinically palpable neck nodes at first presentation. All(More)
Endocurietherapy (brachytherapy) is the placing of radioactive sources directly into or near a solid tumor. This technique delivers a concentrated dose of radiation to a restricted volume while minimizing radiation effects on normal tissue. We have treated 11 patients (nine sarcomas, one carcinoma, and one Wilms') with endocurietherapy procedures as part of(More)
PURPOSE We evaluated treatment outcomes of patients with mostly locally advanced primary and recurrent cancer of the nasopharynx managed with interstitial and intraluminal brachytherapy. METHODS AND MATERIALS This is a retrospective analysis of 56 patients with cancer arising from the nasopharynx treated with interstitial and intracavitary afterloading(More)