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Abstract Objective The outbreak of the COVID-19 pandemic had a considerable impact on the healthcare access, treatment, and follow-up of oncologic patients. The aim of this study was to evaluate how the COVID-19 pandemic has affected consultation and follow-up demand as well as treatment volume at Brazilian Head and Neck Surgery centers. Methods An anonymous online questionnaire was used for collection of data across all Brazilian Head and Neck Surgery Centers across a 3-month period (April‒June 2021). This information included the characteristics of each center, and the perceived self-reported impact of the COVID-19 pandemic on academic activities, residency training, and the diagnosis, treatment, and follow-up of patients with Head and Neck diseases between 2019 and 2020. Results The response rate across the 40 registered Brazilian Head and Neck Surgery Centers was 47.5% (n = 19). The data showed a significant reduction in the total number of consultations (24.8%) and number of attending patients (20.2%) between 2019 and 2020. The total number of diagnostic exams (31.6%) and surgical procedures (13.0%) conducted over this period also decreased significantly. Conclusions The COVID-19 pandemic had a significant national impact on Brazilian Head and Neck Surgery Centers. Future studies should examine the long-term effects of the pandemic on cancer treatment. Level of evidence Evidence from a single descriptive study.

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OBJECTIVE: The outbreak of the COVID-19 pandemic had a considerable impact on the healthcare access, treatment, and follow-up of oncologic patients. The aim of this study was to evaluate how the COVID-19 pandemic has affected consultation and follow-up demand as well as treatment volume at Brazilian Head and Neck Surgery centers. METHODS: An anonymous online questionnaire was used for collection of data across all Brazilian Head and Neck Surgery Centers across a 3-month period (April‒June 2021). This information included the characteristics of each center, and the perceived self-reported impact of the COVID-19 pandemic on academic activities, residency training, and the diagnosis, treatment, and follow-up of patients with Head and Neck diseases between 2019 and 2020. RESULTS: The response rate across the 40 registered Brazilian Head and Neck Surgery Centers was 47.5% (n=19). The data showed a significant reduction in the total number of consultations (24.8%) and number of attending patients (20.2%) between 2019 and 2020. The total number of diagnostic exams (31.6%) and surgical procedures (13.0%) conducted over this period also decreased significantly. CONCLUSIONS: The COVID-19 pandemic had a significant national impact on Brazilian Head and Neck Surgery Centers. Future studies should examine the long-term effects of the pandemic on cancer treatment. LEVEL OF EVIDENCE: Evidence from a single descriptive study.

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BACKGROUND: Malnutrition is a common issue in patients with head and neck squamous cell carcinoma and has a negative effect on surgical outcomes. OBJECTIVE: We attempted to determine which malnutrition diagnostic variables can be used as predictors of postoperative complications in patients with head and neck squamous cell carcinoma. METHODS: Forty-one patients undergoing surgery for head and neck squamous cell carcinoma were submitted to a prospective evaluation. Biochemical data, anthropometric measurements and evaluation of body composition were used in the nutritional analysis. RESULTS: Twenty-two patients (53.6%) developed complications. Serum albumin measured on the first postoperative day was the only variable that significantly differed between groups. A cut-off value of 2.8 g/dL distinguished between patients with a complicated and uncomplicated postoperative course. Normalization of albumin levels occurred more frequently and more rapidly in the noncomplicated group. CONCLUSION: Serum albumin measured on the first postoperative day was the only variable that was a predicter of postoperative complications after major head and neck squamous cell carcinoma surgery.

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Abstract Background Malnutrition is a common issue in patients with head and neck squamous cell carcinoma and has a negative effect on surgical outcomes. Objective We attempted to determine which malnutrition diagnostic variables can be used as predictors of postoperative complications in patients with head and neck squamous cell carcinoma. Methods Forty-one patients undergoing surgery for head and neck squamous cell carcinoma were submitted to a prospective evaluation. Biochemical data, anthropometric measurements and evaluation of body composition were used in the nutritional analysis. Results Twenty-two patients (53.6%) developed complications. Serum albumin measured on the first postoperative day was the only variable that significantly differed between groups. A cut-off value of 2.8 g/dL distinguished between patients with a complicated and uncomplicated postoperative course. Normalization of albumin levels occurred more frequently and more rapidly in the noncomplicated group. Conclusion Serum albumin measured on the first postoperative day was the only variable that was a predicter of postoperative complications after major head and neck squamous cell carcinoma surgery.

Resumo Introdução A desnutrição é um problema comum em pacientes com carcinoma de células escamosas de cabeça e pescoço e tem um efeito negativo nos resultados cirúrgicos. Objetivo Tentamos determinar quais variáveis diagnósticas de desnutrição podem ser usadas como preditivos de complicações pós‐operatórias em pacientes com carcinoma de células escamosas de cabeça e pescoço. Método Quarenta e um pacientes submetidos à cirurgia de carcinoma de células escamosas de cabeça e pescoço foram submetidos a uma avaliação prospectiva. Dados bioquímicos, medidas antropométricas e avaliação da composição corporal foram usados na análise nutricional. Resultados Vinte e dois pacientes (53,6%) desenvolveram complicações. A dosagem de albumina sérica no primeiro dia pós‐operatório foi a única variável que diferiu significantemente entre os grupos. Um valor de corte de 2,8 g/dL distinguiu os pacientes com uma evolução pós‐operatória complicada e não complicada. A normalização dos níveis de albumina ocorreu mais frequentemente e mais rapidamente no grupo sem complicação pós‐operatória. Conclusão A albumina sérica medida no primeiro dia pós‐operatório foi a única variável capaz de predizer complicações pós‐operatórias após cirurgia de carcinoma de células escamosas de cabeça e pescoço de grande porte.

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Introduction: Through the knowledge of the metastatic pathways of the Squamous Cell Carcinoma (SCC) of the larynx, the lymph node level with a higher probability of involvement can be predicted. The surgeon uses this knowledge to determine the extension of neck dissection to perform. However, the longer the surgery, the greater the morbidity for the patient. When the metastatic risk is >20%, neck dissection of that cervical level is necessary. In cases of clinically evident (cN+) metastasis, uni or bilaterally, comprehensive neck dissection is determinant for the treatment, however there is no consensus about neck dissection for contralateral clinically negative neck (cN-). Objective: To evaluate if patients with laryngeal SCC homolateral cN+ and contralateral cN- should be submitted to bilateral neck dissection. Methods: The team reviewed medical records from 135 patients with a diagnosis of laryngeal malignancy between March/2009 and September/2017, analyzing gender, age, tobacco and alcohol comsumption, primary tumor site, neck dissection laterality, clinical and pathological contralaterality, staging, tumor recurrence or late metastasis and survival Results: We observed that 40.74% were pN+ on at least one side after neck dissection, which 87.27% performed bilateral neck dissection. Of these, 66.67% did not have contralateral metastasis, 87.5% had no previously clinically evident metastasis. Conclusion: Patients contralateral cN- have a risk <20% for occult metastasis and should not routinely go through bilateral neck dissection.

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ABSTRACT INTRODUCTION: It is well established that cervical lymph node metastasis is the most important prognostic factor in patients with oral squamous cell carcinoma of the upper aerodigestive tract. The definition of parameters and classifications that could separate patients in groups of low, intermediate and high-risk is being attempted for several years. OBJECTIVE: The objective of this study was to determine possible predictive factors related to the occurrence of occult cervical lymph node metastasis through the analysis of histopathological reports of surgical specimens obtained after oral squamous cell carcinoma resection and selective neck dissections of patients initially classified as N0. METHODS: This was a primary, retrospective, observational, case-control study. Histopathological reports were reviewed to determine if some findings were related to the occurrence of occult lymph node metastasis. The events analyzed were oral cavity subsites, pT-stage, muscular infiltration, desmoplasia, vascular emboli, perineural infiltration, tumor thickness and compromised margins. RESULTS: Occult cervical metastasis accounted for 19.10 percent of the cases. Desmoplasia, perineural infiltration, tumor thickness and pT4a stage are predictive factors of occult neck metastasis (p-value = 0.0488, 0.0326, 0.0395, 0.0488, respectively). CONCLUSION: The accurate definition of predictive factors of occult cervical metastasis may guide the selection of patients that should be referred to radiotherapy, avoiding the unnecessary exposure of low-risk patients to radiation and allowing a better regional control of the disease in those of moderate or high risk.

Resumo Introdução: Já é bem estabelecido que a metástase oculta em linfonodo cervical é o fator prognóstico mais importante em pacientes com Carcinoma epidermóide de boca (CEB) do trato aerodigestivo superior. Há anos pesquisadores tentam definir parâmetros e classificações que poderiam separar os pacientes em grupos de baixo, médio e alto risco. Objetivo: O objetivo deste estudo foi determinar possíveis fatores preditivos relacionados com a ocorrência de metástase oculta em linfonodo cervical, por meio da análise de laudos histopatológicos de espécimes cirúrgicos obtidos após ressecção de CEB e dissecções seletivas do pescoço em pacientes inicialmente classificados como N0. Método: Este foi um estudo primário, retrospectivo, observacional e de caso-controle. Laudos histopatológicos foram revisados para determinar se alguns resultados estavam relacionados com a ocorrência de metástases em linfonodos oculto. Os eventos analisados foram: subsítios dentro da cavidade oral, estágio-pT, infiltração muscular, desmoplasia, embolia vascular, infiltração perineural, espessura do tumor e margens comprometidas. Resultados: Metástases cervicais ocultas foram responsáveis por 19,10% dos casos. Desmoplasia, infiltração perineural, espessura do tumor e estágio pT4a foram fatores preditivos de metástase cervical oculta (p = 0,0488, 0,0326, 0,0395, 0,0488, respectivamente). Conclusão: A definição precisa dos fatores preditivos de metástase cervical oculta pode orientar a seleção de pacientes que devem ser submetidos a radioterapia, evitando a exposição desnecessária dos pacientes de baixo risco à radiação, e melhorar o controle regional da doença em pessoas de risco moderado ou alto.

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