1,720,973 research outputs found

    Surgical resection of locally advanced epidermal growth factor receptor (EGFR) mutated lung adenocarcinoma after gefitinib and review of the literature

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    Gefitinib is the current first-line treatment for advanced lung adenocarcinoma with epidermal growth factor receptor (EGFR) gene mutations. The possibility of using gefitinib as neoadjuvant therapy is interesting because of the low toxicity profile of tyrosine kinase inhibitors. Here we report the case of a 67-year-old nonsmoking woman affected by locally advanced lung adenocarcinoma, in whom one-year treatment with gefitinib rendered the tumor amenable to surgical removal. The results of ongoing clinical trials exploring the ability of preoperative gefitinib to achieve better results than can be obtained with chemotherapy in patients selected on the basis of EGFR mutations are urgently awaited

    Complete response to second line paclitaxel every 2 weeks of eyelid kaposi sarcoma: A case report

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    A 77-year-old male patient presented to our attention with violaceous nodular lesions on the skin of his hands and lower extremities. Clinical and histologic examination supported the diagnosis of Kaposi sarcoma. A first-line systemic chemotherapy based on liposomal doxorubicin at a dosage of 40 mg/m(2)every 3 weeks for 5 cycles was carried out, resulting in partial resolution of skin lesions. However, 1 year later, a relapse of the disease in the lower limbs and a new lesion of the left eyelid were found, therefore the patient began a second-line therapy with 100 mg/m(2)paclitaxel every 2 weeks. After 8 cycles of therapy, we observed a complete remission of eyelid tumor and a partial response of lower limbs lesions up to 6 months of follow up. In conclusion, eyelid Kaposi sarcoma was successfully treated with paclitaxel every 2 weeks, obtaining a complete response

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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