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Gilbert H Fletcher: Influence Statistics

1.1. The records of 596 patients with previously untreated squamous cell carcinoma of the tonsillar fossa, base of the tongue, supraglottic larynx, and hypopharynx were reviewed to evaluate the efficacy of three modalities of initial treatment of cervical lymph nodes.2.2. Elective irradiation of the neck is indicated in patients with tumors of the tonsillar fossa and base of the tongue. For patients with lesions of the supraglottic larynx and hypopharynx and a clinically negative neck, ...

This is a retrospective study of 61 patients with clinically diagnosed breast cancer (IBC) treated with multimodality therapy between September 1977 and September 1985. All patients were scheduled to receive three courses of doxorubicin-based chemotherapy followed by mastectomy, further chemotherapy, and postoperative irradiation. Ten patients (16%) obtained a complete response, defined as either resolution of the clinical signs of inflammatory breast cancer (IBC) (4 patients) or no ...

Clinical and experimental evidence for divergent changes in early and late radiation responses in normal tissues after changes in dose fractionation indicate a greater sensitivity of late responses to changes in dose per fraction. In experimental studies of the effect of dose per fraction on early and late isoeffects, a larger number-of-fractions exponent for the late responses is the rule. These findings imply that the shape of the dose-survival curve for the target cells whose ...

The charts of 431 patients with squamous cell carcinoma of the supraglottic larynx observed at the M.D. Anderson Hospital between January, 1954, and June, 1971, were analyzed. This study is concerned with those patients who had a technically resectable lesion. Emphasis is directed to the analysis of the effectiveness of primary irradiation instead of partial laryngectomy for those lesions which are technically suitable for a partial resection and to define the groups of patients which ...

This is an analysis of 304 patients with invasive, previously untreated T1-T2 squamous cell carcinoma of the glottic larynx treated with radiation therapy at the University of Florida between October 1964 and December 1984. All patients had a minimum 2-year follow-up and 82% had at least 5 years of follow-up. Patients were excluded from the analysis of local control if they died within 2 years of treatment with the primary site continuously disease-free; all patients were included in the ...

Treatment with several doses per day offers the prospect of a significant therapeutic gain using readily available low LET beams. These regimens can be classified as either accelerated fractionation or hyperfractionation according to their rationales. With accelerated fractionation a conventional number of dose fractions is delivered in a significantly shortened overall treatment time in order to reduce the opportunity for tumor cell regeneration during treatment. With ...

The charts of 5,019 previously untreated patients with squamous cell carcinoma of the upper respiratory and digestive tracts who completed treatment for cure from January 1948 through August 1973, were reviewed. These patients had no evidence of distant metastases when initially evaluated. Five hundred and forty-six patients developed clinical evidence of distant metastases. The overall incidence of distant metastases was 10.9%, varying from 3.1% for vocal cord cancers to 28.1% for ...

Between July 1968 and December 1983, 150 patients with previously untreated squamous cell carcinomas of the tonsillar fossa received megavoltage external beam irradiation with curative intent at U.T.M.D. Anderson Cancer Center. These patients were treated following a series of patients who had received radiotherapy between 1954 and May 1968. One hundred and thirty-seven patients were treated with conventional fractionation, the mean doses to the primary being 64.3 Gy, 67.8 Gy, 70.2 Gy, ...

Between January 1967 and December 1974, 254 patients with carcinoma of the uterine cervix were treated with either intracavitary radium and parametrial irradiation or 2000 rad whole pelvis irradiation followed by intracavitary radium and parametrial irradiation. In general, these patients had tumors of relatively limited volume and vaginal and uterine anatomy that was favorable for intracavitary radium. Not all patients had a lymphangiogram performed prior to irradiation. Of those who ...

The evolution of neck disease in 180 patients with controlled squamous cell carcinomas of the oral tongue, floor of the mouth, and faucial arch having initially clinically positive nodes neither fixed nor bilateral has been analyzed by modality of treatment of the neck disease, i.e., radical neck dissection, combined radical neck dissection and irradiation, and irradiation. There is a shift to earlier primary lesions and less extensive neck disease in the patients having had a radical ...

One hundred and two patients with squamous cell carcinoma of the oral cavity or oropharynx were treated from January 1955 through August 1976 with surgical excision followed by irradiation. Twelve patients had T2 lesions and 90 had T3 or T4 lesions. Failures above the clavicles were associated with disease present at the margins of resection, location of the recurrence close to the periphery, or outside of the irradiated portals. Failure in the neck essentially were a result of no ...

Between 1955 and 1984, 376 patients with locoregionally advanced breast carcinoma were treated at The University of Texas M. D. Anderson Cancer Center with mastectomy and irradiation and without adjuvant chemotherapy. Patients with inflammatory carcinoma or synchronous bilateral primary tumors were excluded. There were 202 patients with Stage IIIA disease and 174 patients with Stage IIIB disease (AJC Staging--1983). In 124 patients the surgical management was confined to the breast ...

A retrospective study of 702 patients with clinically positive nodes associated with squamous cell carcinoma of the oral cavity, supraglottic larynx, and hypopharynx observed from 1954 to 1968 was done. The policies of treatment for the neck were not standardized during those years. Three hundred eleven patients who survived 24 months with the primary lesion controlled were divided into two groups: 1) those whose neck was treated by surgery alone; and 2) those who had combined radiation ...

This study is a retrospective analysis of the results of definitive treatment with irradiation alone or in combination with surgery for patients with squamous cell carcinoma of the pharyngeal walls. For the 164 patients who were treated with irradiation alone, the failure rate ranged from 9% for T1 lesions to 63% for T4 lesions. Surgical salvage was successful in 11 of the 66 patients in whom radiotherapy failed at the primary site. Fatal complications developed in 5% of the patients, ...