نتایج جستجو برای: breslow estimator
تعداد نتایج: 30790 فیلتر نتایج به سال:
Au Maroc peu d'études ont été menées concernant les facteurs pronostiques du mélanome.L'objectif de cette étude était d'identifier les facteurs de survenue de métastases viscérales à distance à 1an et de mortalité à 2ans chez des patients atteints de mélanome cutané épais. Ont été colligés rétrospectivement tous les cas de mélanomes suivis au service de dermatologie et d'oncologie du CHU de Cas...
Introduction: Serial dermatoscopic monitoring of pigmented skin lesions may introduce a delay in diagnosis of melanoma. Conversely it is argued that feature-poor melanomas may not otherwise be diagnosed without a large increase in biopsy rates. This study compared average Breslow thickness of melanomas that have been serially monitored with those that have not. Method: A retrospective analysis ...
The incidence of cutaneous malignant melanoma (CMM) is increasing in the Western world, despite the implementation of prevention campaigns for several years. Early detection, targeted at-risk populations helps to identify patients with beginning melanoma lesions, but despite these efforts, many patients often young,present with thicker tumors (with a higher Breslow, over 1mm Breslow is a measur...
We report a case of a giant melanoma on the back with a very extreme Breslow thickness. On physical examination a large odorous and ulcerating tumour was seen adjacent to two large crusted lesions, probably in transit metastases. In the right and left axilla enlarged lymph nodes were palpated. The patient underwent salvage surgery consisting of a complete wide excision of the tumors on the back...
Background: Malignant melanoma is one of the fatal cutaneous neoplasms which are curable by early diagnosis. This neoplasm is diagnosed by the biopsy of the suspected lesion. It is essential to classify the tumor based on its histology, thickness, phase of growth, level of invasion, mitotic rate, presence of regression, inflammatory infiltration and ulceration. These descriptions yield some kno...
inverse sampling design is generally considered to be appropriate technique when the population is divided into two subpopulations, one of which contains only few units. in this paper, we derive the horvitz-thompson estimator for the population mean under inverse sampling designs, where subpopulation sizes are known. we then introduce an alternative unbiased estimator, corresponding to post-str...
In addition to repeated measures models given by Albert, there are a number of other procedures under the heading of random e!ects models. In the same issue the paper by Omar et al. [1] and to some extent that by Frost et al. [2] deal with some of these procedures in detail. There are also numerous journal articles, for example, Goldstein et al. [3], which generalize the Chi and Reinsel paper w...
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