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O objetivo deste trabalho foi avaliar a qualidade da água utilizada no consórcio de peixes com arroz irrigado. O experimento foi conduzido em área de várzea, com sistema pré-germinado de cultivo de arroz associado ao cultivo de carpas e jundiá, onde semanalmente foram monitorados os níveis de oxigênio dissolvido, temperatura, pH, dureza, alcalinidade total, amônia, nitrito e transparência da água. As características físico-químicas da água (temperatura, pH, dureza, alcalinidade,amônia e nitrito) não afetam o crescimento e o desenvolvimento dos peixes no consórcio com arroz irrigado para as espécies cultivadas (60% de carpa húngara, 20% de carpa capim, 10% de jundiá, 5% de carpa prateada e 5% de carpa cabeça grande). Embora as densidades de peixes utilizadas e as épocas de colocação dos alevinos afetem certos parâmetros de qualidade da água (oxigênio dissolvido e transparência da água) em alguns períodos, em geral eles se mantêm em níveis adequados de acordo com os padrões para as espécies.

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ABSTRACT Giant cell tumor (GCT) is a benign bone tumor with aggressive characteristics. They are more prevalent in the third decade of life and demonstrate a preference for locating in the epiphyseal region of long bones. They have a high local recurrence rate, which depends on the type of treatment and initial tumor presentation. The risk of lung metastases is around 3%. Between October 2010 and August 2014, nine patients diagnosed with locally advanced GCT or with pathological fracture to the knee level underwent surgical treatment. The aim of this study was to evaluate the results of the treatment, particularly with regard to relapse, and to conduct a literature review. There was a predominance of males (77.7%). The most common location was the distal femur. Four patients (44%) developed local recurrence in the first year after surgery, three in distal femur and one in proximal tibia. Of the two patients with pathologic fracture at diagnosis, one of them presented recurrence after five months. The treatment of GCT is still a challenge. The authors believe that the best treatment method is wide resection and reconstruction of bone defects with non-conventional endoprostheses. Patients should be aware and well informed about the possible complications and functional losses that may occur as a result of the surgical treatment chosen and the need for further surgery in the medium and long term.

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Copyright of Acta Reumatológica Portuguesa is the property of Sociedade Portuguesa de Reumatologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)