Abstract Background The presence of Extracapsular Extension (ECE) in the Sentinel Lymph Node Biopsy (SLNB) is still a doubt in the literature. Some studies suggest that the presence of ECE may be related to a greater number of positive axillary lymph nodes which could impact Disease Free Survival (DFS) and Overall Survival (OS). This study searches for the clinical significance of the ECE. Methods Retrospective cohort comparing the presence or absence of ECE in T1-2 invasive breast cancer with positive SLNB. All cases treated surgically at the Cancer Institute of the State of São Paulo (ICESP) between 2009 and 2013 were analyzed. All patients with axillary disease in SLNB underwent AD. Outcomes Identify the association between the presence and length of ECE and additional axillary positive lymph nodes, OS and DFS between both groups. Results 128 patients with positive SLNB were included, and 65 had ECE. The mean metastasis size of 0.62 (SD = 0.59) mm at SLNB was related to the presence of ECE (p < 0.008). The presence of ECE was related to a higher mean of positive sentinel lymph nodes, 3.9 (± 4.8) vs. 2.0 (± 2.1), p = 0.001. The median length of follow-up was 115 months. The OS and DFS rates had no differences between the groups. Conclusion The presence of ECE was associated with additional positive axillary lymph nodes in this study. Therefore, the OS and DFS were similar in both groups after 10 years of follow-up. It is necessary for additional studies to define the importance of AD when SLNB with ECE. (ECE (SLNB literature (DFS OS. . (OS) T12 T T1 2 T1- ICESP (ICESP 200 201 analyzed 12 included 6 062 0 62 0.6 SD 0.59 059 59 0.008. 0008 0.008 008 0.008) 39 3 9 3. ± ( 4.8 48 4 8 vs 20 2. 2.1, 21 2.1 , 1 2.1) 0001 001 0.001 followup follow up 11 months Therefore followup. up. (OS 06 0. 0.5 05 5 000 0.00 00 4. 0.0

ABSTRACT Solitary fibrous tumor (SFT) is a rare fibroblastic mesenchymal neoplasm with an estimated annual incidence of 0.35 per 100,000 individuals. Doege-Potter syndrome is a paraneoplastic syndrome related to solitary fibrous tumor clinically characterized by hypoglycemia, occurring in less than 5% of cases. Herein, we report a case of metastatic SFT associated with recurrent severe hypoglycemia. A 43-year-old male with a noncontributory medical history presented with a painless and progressive growing mass in the right thigh. The histological evaluation rendered the diagnosis of SFT, and tumor resection was performed. One year after the operation, on the oncological follow-up, he was admitted to the emergency unit, manifesting an early-morning seizure associated with a severe hypoglycemia. The laboratory findings of non-islet cell tumor hypoglycemia (NICTH) in the background of a relapsed metastatic solitary fibrous tumor were consistent with the diagnosis of Doege-Potter syndrome. Hepatic embolization associated with oral glucocorticoid was an efficient palliative treatment to control the hypoglycemic crisis and allow hospital discharge.

Introduction Vascular leiomyoma of the nasal cavity is an extremely rare tumor that represents less than 1% of all vascular leiomyomas. It is more prevalent in women between the fourth and sixth decades, reaching primarily the inferior nasal turbinates. Objectives Reporting and assisting the systematization of more accurate diagnostic methods in clinical and complementary investigation of vascular leiomyoma in the nasal cavity. Resumed Report We present the case of a 49-year-old woman diagnosed with vascular leiomyoma in the nasal cavity, which manifested mainly with nasal obstruction. During investigation, computer tomography was not diagnostic, the cytologic study was not conclusive, and according to the biopsy, it was a squamous papilloma. Conclusion We suggest that the technical difficulty in obtaining an adequate amount of material for preoperative biopsy, associated with the topography of the lesion in the vestibular nasal region, may have contributed to changing the postoperative diagnosis. Thus, pathologic study of the surgical fragment is the more accurate method for diagnosis.

Relatamos um caso raro de tumor neuroendócrino do canal anal e seu mau prognóstico, bem como a necessidade de imuno-histoquímica para o diagnóstico correto e para orientar o tratamento.

We report a rare case of neuroendocrine tumor of the anal canal and its poor prognosis, plus discuss the need of immunohistochemical for an acurate diagnosis and to guide treatment.

OBJETIVO: Determinar a eficácia de uma estratégia de controle de qualidade em colpocitologia na detecção da lesão intraepitelial escamosa de alto grau. MÉTODOS: Foram selecionadas 42 pacientes que realizaram Papanicolaou e biópsia cervicouterina entre abril de 2008 e dezembro de 2009, com evidência de lesão intraepitelial escamosa de alto grau em um ou em ambos os exames. Os parâmetros estatísticos do esfregaço foram calculados antes e após reuniões sistematizadas de revisão dos exames arquivados (6 anos), nas quais se procedeu a: consensualização diagnóstica interobservadores; correlação cito-histológica, sendo a última padrão-ouro; e avaliação do status terapêutico de cada paciente. RESULTADOS: Aplicados tais controles, observou-se que a sensibilidade e a likelihood ratio positiva do teste para lesão intraepitelial escamosa de alto grau aumentaram 9,5% (34,5 para 44%) e 0,45% (1,64 para 2,09%), respectivamente, enquanto sua especificidade se manteve em 79%. A redução da interferência dos falso-negativos associados a erros na fase analítica do processo produtivo citológico traz estimativa das falhas de coleta do material (fase pré-analítica). CONCLUSÃO: Além de melhorar o desempenho do diagnóstico colpocitológico de lesão intraepitelial escamosa de alto grau, a estratégia de controle de qualidade proposta permite refletir sobre as causas de escrutínio incorreto ou discordante.

OBJECTIVE: To determine the efficacy of a quality control strategy in cervical cytology in the detection of high-grade squamous intraepithelial lesions. METHODS: Forty-two patients were selected who underwent a Pap smear and cervical uterine biopsy between April 2008 and December 2009, with evidence of a high-grade squamous intraepithelial lesion in one or both tests. The statistical parameters of the smear test were calculated before and after systematic meetings for review of the archived test results (6 years), in which the following was done: interobserver diagnostic consensus; cytohistological correlation, with the latter as gold standard; and evaluation of the therapeutic status of each patient. RESULTS: Once these controls were applied, it was noted that sensitivity and positive likelihood ratio of the test for high-grade squamous intraepithelial lesion increased 9.5% (34.5 to 44%) and 0.45% (1.64 to 2.09%), respectively, while specificity remained at 79%. Reduction in interference of false-negative results associated with errors in the analytical phase of the cytological productive process gave an estimate of failures in collection of the specimens (pre-analytical phase). CONCLUSION: In addition to improving the performance of the cytological diagnosis of the high-grade squamous intraepithelial lesion, the proposed quality control strategy allows a reflection on the causes of incorrect or conflicting scrutiny.