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PURPOSE To analyze retrospectively the results of external beam radiotherapy for clinically localized hormone-refractory prostate cancer and investigate the clinical significance of nadir prostate-specific antigen (PSA) value within 12 months (nPSA12) as an early estimate of clinical outcomes after radiotherapy. METHODS AND MATERIALS Eighty-four patients(More)
OBJECTIVE To evaluate the clinical results of radiotherapy (RT) for patients with regionally localized hormone-refractory prostate carcinoma (HRPC). PATIENTS AND METHODS As part of a Patterns of Care Study in Japan, a nationwide survey was conducted of RT for patients with prostate adenocarcinoma. We reviewed the detailed information of 140 patients with(More)
UNLABELLED The current study focused on the differences in the patterns of care between Japan and the United States for clinically localized prostate cancer patients treated with radical external beam radiotherapy. MATERIALS AND METHODS Results from the 1999-2001 Japanese Patterns of Care Study (PCS) survey were compared with those of the 1999 PCS in the(More)
OBJECTIVE To evaluate the outcome of radiotherapy for recurrent esophageal cancer after surgery and to determine the prognostic factors. METHODS From 1987 through 2002, 82 patients treated with radiotherapy for loco-regional recurrences of esophageal cancer after surgery were retrospectively reviewed. The stage at initial surgery was I in 16, II in 41,(More)
PURPOSE To evaluate the combination chemotherapy using oral antimetabolite S-1 plus cisplatin (SP) with concurrent thoracic radiotherapy (RT) followed by the consolidation SP for locally advanced non-small cell lung cancer. PATIENTS AND METHODS Patients with stage III non-small cell lung cancer, 20 to 74 years of age, and Eastern Cooperative Oncology(More)
PURPOSE To delineate changing trends in radical external beam radiotherapy (EBRT) for prostate cancer in Japan. METHODS AND MATERIALS Data from 841 patients with clinically localized prostate cancer treated with EBRT in the Japanese Patterns of Care Study (PCS) from 1996 to 2005 were analyzed. RESULTS Significant increases in the proportions of patients(More)
AIM To clarify how patients with epidermal growth factor receptor (EGFR)-mutant lung adenocarcinoma with acquired resistance to EGFR-tyrosine kinase inhibitors (TKIs) respond to radiotherapy (RT) for brain metastases. PATIENTS AND METHODS Forty-seven patients were divided into the following three groups: a TKI-naïve group with EGFR mutation (n=11), a(More)
PURPOSE To evaluate the feasibility and treatment outcomes of stereotactic radiotherapy (SRT) using a newly developed simple body cast system for lung and liver tumors. MATERIALS AND METHODS From April 2003 to July 2004, 20 patients were treated with SRT at the Kyushu University Hospital. Thirteen patients had primary lung cancer, 5 had metastatic lung(More)
BACKGROUND The Patterns of Care Study evaluated standards of practice for patients with clinically localized prostate cancer treated with radiotherapy in Japan. This study examined the influence of institutional stratification on care for patients receiving radical external beam radiotherapy. METHODS A national survey of 66 institutions was conducted(More)
BACKGROUND This is the first study to examine the characteristics and changes of the patterns of radiotherapy for prostate cancer in Japan. METHODS The Japanese Patterns of Care Study (PCS) conducted a random survey of 84 institutions nationwide. Detailed information was collected on prostate cancer patients without distant metastases, who received(More)