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The Efficacy of Low Postoperative Radiation Dose in Patients with Advanced Hypopharyngeal Cancer without High-Risk Factors
The rate of second primary lung cancer development for patients with head and neck cancer (HNC) has been noted. The aim of our study was to evaluate the incidence and clinical features of suspected second primary lung cancer that developed in patients with primary HNC.
We conducted a retrospective study of 469 patients who were newly diagnosed with HNC at the Korea University Medical Center between January 2000 and December 2006.
A total of 469 patients were included (389 men and 80 women). Eighteen patients (3.8%) had suspected second primary lung cancers. Statistically significant clinical variables for lung cancer development included the origin site for the primary HNC (oro-hypopharynx and larynx) (p=0.048), abnormal chest x-ray findings (p=0.027) and the histological HNC type (squamous cell carcinoma) (p=0.032). When the second primary lung cancers were combined with HNCs, the adjusted overall survival of patients with a second primary lung cancer was 16 months (p<0.001).
Considering the relative risk factors for a second primary lung cancer developing in patients with HNC, advanced diagnostic tools, such as chest CT or PET CT scan, should be applied for the early detection of a second primary lung cancer.
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This study was performed to determine the feasibility and safety of the use of induction chemotherapy combined with docetaxel, cisplatin, and 5-fluorouracil (TPF) followed by concurrent chemoradiation therapy for locally advanced squamous cell carcinoma of the head and neck (SCCHN).
The patients, that were initially not treated for locally advanced SCCHN, underwent three cycles of induction chemotherapy every 3 weeks at a dose of 70 mg/m2 docetaxel D1, 75 mg/m2 cisplatin D1, 1000 mg/m2 5-FU D1-4, and subsequently received concurrent chemoradiation therapy.
Forty-nine patients were enrolled in this study and forty-three of the patients completed the treatment. The median duration of follow-up was 18 months (range, 6~39 months). All of the patients had stage III (26.5%) or IV (73.5%) squamous cell carcinoma. After sequential therapy, a complete response and partial response was seen in 28 (65.2%) and 13 (30.2%) patients, respectively. The overall response rate was 95.4%. Overall survival and progression-free survival (PFS) at 2 years were 88.7% and 69.7%, respectively. Grade 3~4 neutropenia occurred in 42.2% of the patients and grade 4 thrombocytopenia in 1 cycle (0.7%). Two patients (4.1%) died during the induction chemotherapy due to pneumonia and a subdural hemorrhage, respectively. The group of patients over 65 years of age showed a significant lower dose intensity than that of patients under 65 years of age, but PFS was not significantly different between two groups (p=0.105).
TPF induction chemotherapy followed by concurrent chemoradiotherapy showed a high level of CR and moderate treatment-induced toxicity. Adequate dose modification in elderly patients should be considered to maintain efficacy and avoid treatment-related toxicity.
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