Rita de Kássia Vidigal Carvalho

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Many significant human birth defects originate around the time of neural tube closure or early during post-closure nervous system development. For example, failure of the neural tube to close generates anencephaly and spina bifida, faulty cell cycle progression is implicated in primary microcephaly, while defective migration of neuroblasts can lead to(More)
OBJECTIVE Endoscopic submucosal dissection is a technique developed in Japan for en bloc resection with a lower rate of recurrence. It is considered technically difficult and performed only in specialized centers. This study sought to report the initial experience from the Gastrocentro--Campinas State University for the treatment of gastric and colorectal(More)
BACKGROUND Cost-effectiveness studies are highly dependent on the models, settings, and variables used and should be based on systematic reviews. We systematically reviewed cost-effectiveness studies that address screening for gastric cancer and/or surveillance of precancerous conditions and lesions. MATERIALS AND METHODS A systematic review of(More)
BACKGROUND Endoscopic mucosal resection (EMR) is a major therapeutic advance in the treatment of sessile and flat colorectal polyps. The aim of the study was to prospectively evaluate the success, complications and recurrence with EMR in colon. METHODS From Jun/2008 to Jan/2012, patients referred for EMR of polyps > or =20 mm were included. Inject and cut(More)
BACKGROUND capsule endoscopy (CE) has revolutionized the study of small bowel. One major drawback of this technique is that we cannot interfere with image acquisition process. Therefore, the development of new software tools that could modify the images and increase both detection and diagnosis of small-bowel lesions would be very useful. The Flexible(More)
BACKGROUND AND AIM patients with head and neck squamous cell malignancies have a higher risk of oesophageal squamous cell carcinomas. Lugol chromoendoscopy in oesophagus is a simple technique with a high diagnostic yield in premalignant lesions. The objective was to analyze its diagnostic accuracy in dysplasia and carcinoma of the oesophagus in high-risk(More)
PURPOSE To verify the copaiba balsam (Copaifera officinalis) effect on Walker 256 carcinoma inoculated into vagina and uterine cervix of rats. METHODS Eighteen female Wistar rats weighing between 180-250g were used, distributed into 2 groups (GCop, GC). On the 1st day of the experiment, 0.3 ml of Walker 256 carcinoma (2x10(6) concentration) was inoculated(More)
BACKGROUND AND OBJECTIVES Head and neck reconstructive surgery represents a major challenge facing the need to achieve a good cosmetic and functional outcome. Anesthesia may be an important and determining factor in the technique success due to its role in hemodynamic stability and regional blood flow. On the other hand, regional anesthesia, changes in(More)
PURPOSE To establish an inoculation model of Walker 256 carcinoma on cervix uteri and vagina of rats. METHODS Fifteen female rats were used, and assigned to three groups each one with five rats: group A - rats with 4 x 10(6) cells of Walker 256 carcinoma without acid acetic inoculation; group B - rats with 2 x 10(6) cells of Walker 256 carcinoma with acid(More)
PURPOSE Verify the effect of oophorectomy on the evolution of the Walker 256 tumor inoculated into the vagina and cervix of female rats. METHODS Ten Wistar, female rats were used, distributed into two groups with 05 animals each: Tumor group (TG): Rats inoculated with Walker 256 tumor; Oophorectomy group (OG): oophorectomized rats inoculated with Walker(More)