1,721,109 research outputs found

    A multidisciplinary approach to squamous cell carcinomas of the head and neck: What is new?

    No full text
    Purpose of review: The aim of this article is to review progress in the treatment of head and neck squamous cell carcinomas (in the light of the most recent literature). Due to the complexity of the disease the multidisciplinary approach needs also a multidisciplinary knowledge which this review tries to summarize. Recent findings: The multidisciplinary treatment approach to the disease includes predictive and prognostic value of biomolecular and clinical factors, the role of induction chemotherapy and concurrent chemo-radiotherapy, new advances in postoperative treatment, treatment-related side-effects and their impact on patients' quality of life, new targeted therapies and treatment choice for incurable patients. Advances in other disciplines, such as radiation therapy and new imaging techniques, will be considered elsewhere in this journal. Summary: Major advances derived from the strategic use of different treatment and diagnostic modalities. The importance of a multidisciplinary team and knowledge in the approach of this disease should be stressed. Today, a multidisciplinary diagnostic and treatment philosophy is the tool to guarantee the best treatment plan definition, to prevent and relieve treatment adverse effects with the ultimate goal to improve survival. © 2006 Lippincott Williams & Wilkins

    Advances in the changing patterns of aetiology of head and neck cancers

    No full text
    Purpose of review: Recent cumulated evidence suggests that factors other than those conventionally known may contribute to the development of head and neck cancer. In fact, a review of the most recent literature shows interesting advances in molecular epidemiology. Recent findings: Recent studies have pointed out the role both of exposure to carcinogens and of an inherited or acquired genetic susceptibility. A very broad mechanism by which gene families can be responsible for the disease has been depicted. This mechanism ranges from behaviour genes, which can regulate lifestyle habits, to metabolizing genes, DNA repair genes and cell cycle control genes. Summary: This review tries to summarize the most recent advances in the field of cancerogenesis in head and neck cancer. © 2006 Lippincott Williams & Wilkins

    Head and neck tumors other than squamous cell carcinoma

    No full text
    Purpose of review: This review deals with classification and treatment of some rare nonsquamous cell carcinomas of the head and neck. Recent findings: Paranasal sinus tumor classification is under evaluation. Contrary to the past, the recent tendency is to build stage classifications on prognostic factors that mainly reflect limitations for adequate surgery, and not simply on dimensional criteria, which are more frequently used in TNM. Among sinonasal tract tumors new pathologic entities have been described. So far, little is known about their natural history and about the need to use pathologic classification to differentiate treatment. Recent advances in radiotherapeutic techniques, such as intensity-modulated radiotherapy, will probably have an impact on future treatment of paranasal sinus tumors. Several molecular targets (c-kit, HER-2/neu, androgen receptors) have been identified in salivary gland cancer. It is interesting to note that among different histotypes there is a trend toward a consistent expression of specific markers in specific cancers, suggesting a possible implication of them in the disease histogenesis. Not surprisingly these findings prompted clinical research with molecular targeted drugs. Summary: Nonsquamous cell carcinomas of the head and neck are rare neoplasms. A multidisciplinary team treatment plan is needed, in particular for skull base-located tumors. Salivary gland cancer displays several molecular targets that need to be investigated further. © 2004 Lippincott Williams & Wilkins

    Going Beyond Counting First Authors in Author Co-citation Analysis

    Full text link
    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

    Variations on the Author

    Full text link
    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
    corecore