Total thyroidectomy is the treatment of choice for multinodular goiter and thyroiditis, when there is bilateral gland involvement posterior to middle thyroid veins, and for Graves disease because it decreases the likelihood of future repeat operations for recurrent disease and thus the associated risks, when performed safely.
Metastatic disease rate was similar to that found in the literature. Perineural and angiolymphatic invasion and tumor thickness were associated with occult metastasis, but only angiolymphatic invasion showed to be an independent risk factor.
Objective: The aim of this study is to investigate the clinical and pathological factors related to distant metastasis in patients with oral cavity squamous cell carcinoma (OCSCC) undergoing surgery. Study Design: A retrospective data review was conducted on patients who underwent primary surgery for OCSCC at the Instituto do Cancer do Estado de São Paulo (ICESP) between 2009 and 2015. Distant metastasis rates were calculated and predictive factors were determined by the Cox proportional-hazards model. Results: There was a total of 274 patients, including 210 (76.6%) men and 64 (23.4%) women, with a mean age of 59.9 ± 10.9 years. The incidence of distant metastasis was 9.6%, with the lung being the most common site. The mean time interval between surgical treatment and the diagnosis of distant metastasis was 12 months (range 2–40 months). In the multivariate analysis, angiolymphatic invasion (HR = 2,87; p = 0.023), contralateral cervical metastasis (HR = 3.3; p = 0,007), tumor thickness >25 mm (HR = 3.50; p = 0.009), and locoregional recurrence (HR = 6.59; p < 0.0001) were the only independent risk factors for distant metastasis. Conclusion: Patients with OCSCC who have contralateral lymph node metastasis, tumors with a thickness >25 mm, angiolymphatic invasion, or locoregional recurrence after surgical treatment have a greater risk of developing distant metastasis.
This report suggests a previously unknown potential effect of sorafenib on the pituitary-adrenal axis. Further studies will be necessary to investigate the role of sorafenib in other cases of ACTH excess and to understand the mechanisms by which it alters steroid synthesis, action, or secretion.
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