Summary Introduction:?The Down's Syndrome (DS) is a genetic syndrome characterized by several changes and the Atlanto-axial Instability is critical for the otorhinolaryngologist. Objective:?Check the prevalence of atlanto-axial instability in patients with Down's Syndrome who undergo service follow-up in the Clinical Hospital of the UFPR [Federal University of Paran?] and review the need to carry out routine cervical radiography in the patients with prescription to otorhinolaryngologic surgery. Method:?Prospective study of patients with the syndrome who undergo CH/UFPR's follow up, through questionnaire and cervical X-ray. Results:?No case of IAA was found in the population studied. Discussion: we consider there's a high frequency of AAI in patients with DS, and for all patients who will take part in sports activities that involve motion of the region, or who are submitted to surgeries, an investigation with clinical and radiological exam is recommended. However, as the incidence has many variable findings we question the real validity of this research for all patients, even the asymptomatic ones. Conclusion:?In spite of a DS's peculiar change, there are no evidences of the need to research the AAI as a routine in asymptomatic patients and the symptomatology should guide the investigation. But more studies are required to evaluate the importance of the radiological exams in such cases.

Introduction:ENT procedures are very common in the pediatric surgery and otolaryngologists have a wide range of surgical procedures, and adenotonsillectomy most performed procedure, followed by otological. The most common complication is bleeding from tonsillectomies. Despite being the most feared complication, only a minority of patients need surgical intervention to stop the bleed. Objective:To evaluate the surgical profile in hospital pediatric otolaryngology Curitiba. Method:Retrospective Study of registered surgeries. Results:A total 2020 procedures performed in the operating room in 2009, 9.26% (187) and tests were 90.74% (1833) surgeries, being 65.14% (1316) performed by the SUS,% 32.47 (656) by covenant and 2.39% (48) individuals. The gender distribution was 1106 boys and 914 girls. Adenoidectomy with or without tonsillectomy corresponded to 62.5% (1146). Of these, only 0.96% (11) underwent revision surgery center. In second place comes the otological surgery, with results of tympanostomy, with or without ventilation tube, the most prevalent. Conclusion:The otolaryngologists are able to perform various types of ENT surgical. A procedure most frequently performed in pediatric hospital in Little Prince is adenotonsillectomy, with revision rate similar to that reported in the literature. Boys are more subjected to procedures than girls. Most ENT procedures performed in this hospital in 2009 were performed by the SUS. This shows the importance of adenotonsillectomy in the daily practice of pediatric ENT, and the weight of this problem among users of SUS is great.

Summary Introduction: Fibrin tissue adhesive, which has applications in several areas of medicine, can be prepared by different methods. Aim: To compare fibrin tissue adhesives prepared by 3 different methods. Method: In this prospective experimental laboratory study, fibrin tissue adhesives prepared by the use of plasma fibrinogen (group 1), cryoprecipitation (group 2), and precipitation by ammonium sulfate (group 3) were tested on 15 rabbits and 10 fragments of dura mater. The quality of the clots was assessed in terms of the success of the healing process, local toxicity, graft adhesion capacity, and degree of adhesion of 2 fragments of dura mater produced. Results: All methods produced a clot with high adhesion and no toxicity, but tensile strength testing revealed that the glue produced from the ammonium sulfate-precipitated clot (group 3) was the strongest, requiring 39 g/cm2 to separate the fragments as opposed to 23 g/cm2 for group 2 and 13 g/cm2 for group 1. Conclusion: All methods produced good results as far as clot formation and non-toxicity, but ammonium sulfate precipitation produced the best tensile strength and was thus the most effective method of preparing fibrin tissue adhesive.

Summary Introduction: Keloids are benign tumors arising from abnormal healing of the skin, and there are several procedures available for their treatment. Objective: The objective of this study was to evaluate the outcomes of patients undergoing treatment of keloids after ear, nose, and throat (ENT) surgeries at our service center. Method: We conducted thorough, retrospective and prospective analysis of records of patients undergoing treatment of retroauricular keloids at our center. Results: Nine patients were evaluated, and 6 underwent resection and adjuvant beta-therapy, 2 underwent resection with local application of corticosteroids, and only 1 underwent resection without adjuvant therapy. There was no recurrence of keloids in patients that were treated with beta-therapy in the early postoperative period. One patient had relapsed despite corticosteroid administration and late beta-therapy. Discussion: Several techniques have been used for the treatment of retroauricular keloids, and beta-therapy is thought to yield the best results, followed by the use of intralesional corticosteroids. Conclusion: Treatment of retroauricular keloids remains a challenge. While new techniques are being developed, resection followed by early beta-therapy is still the best treatment option.

RESUMO Objetivo Investigar a percepção auditiva de juízes leigos quanto ao gênero de mulheres com edema de Reinke, relacionada com o grau do edema e a frequência fundamental da voz. Método Estudo observacional, analítico e transversal. Participaram 46 juízes leigos que analisaram 48 vozes disfônicas - 24 vozes de mulheres com Edema de Reinke (Grupo Edema de Reinke - GER) e 24 vozes de mulheres e homens com outros tipos de disfonias (Grupo Controle - GC). Os juízes analisaram a contagem de números de 1 a 10 e julgaram as vozes como pertencentes a homem ou mulher, além de descreverem também se tinham certeza ou dúvida quanto à resposta. Os resultados do GER foram associados ao Grau do Edema (1, 2 ou 3) e à frequência fundamental média (F0), analisada por meio da vogal /Ɛ/. Resultados Observou-se que a porcentagem de erros em relação ao gênero foi maior no GER quando comparada à do GC, o percentual de certezas quanto ao gênero foi maior no GC. No GER, edemas de grau 1 ocasionaram menos erros quando comparados aos graus 2 e 3. A média da F0 das mulheres cujas vozes foram julgadas como masculinas (141 Hz) foi menor do que as identificadas corretamente (149 Hz). Conclusão Por meio da avaliação de juízes leigos, as vozes das mulheres com edema de Reinke são identificadas como vozes masculinas. O aumento do grau do edema e a redução da F0 estão relacionados à maior quantidade de erros e/ou dúvidas em relação à identificação do gênero de mulheres com edema de Reinke .