Object For several decades, the exclusive purpose in the management of anterior skull base malignancies has been to increase survival rates. Recently, given the improved prognosis achieved, more attention has been focused on quality of life (QOL) as well. Producing data on QOL in anterior skull base cancers is hampered by the rarity of the neoplasm and the lack of specific questionnaires. The purpose of this study was to assess health-related QOL in a large and homogeneous cohort of patients affected by anterior skull base cancers who had undergone endoscopic endonasal resection. Methods The authors conducted a retrospective review of patients treated for sinonasal and skull base cancers via an endoscopic endonasal approach at two Italian tertiary care referral centers. All patients were asked to complete the Anterior Skull Base Surgery Questionnaire to evaluate their QOL before and 1 month and 1 year after surgical treatment. To assess which parameters affect QOL, the study population was divided into subgroups according to age, sex, stage of disease, surgical approach, and adjuvant therapy. Results One hundred fifty-three patients were enrolled in this study according to the adopted inclusion criteria. Overall QOL started at a score of 4.68 for the preoperative period, sharply decreased as far as a score of 4.03 during the 1st postoperative month, and rose again to a score of 4.59 over the course of 1 year after treatment, with a significant difference among the 3 values (p < 0.05). The specific symptoms and physical status domains registered poorer results at the 1-year assessment (4.00 and 4.71, respectively) than at the preoperative assessment (both domains 4.86), with a statistically significant reduction in scores (p < 0.05). Worse outcomes were associated with several variables: age > 60 years (difference of 0.21 points between the preoperative and 1-year period, p < 0.05), expanded surgical approaches with transnasal craniectomy (decrease of 0.20 points between the preoperative and 1-year period, p < 0.05), and postoperative radiotherapy (score of 4.53 at the 1-year period vs 4.70 in patients without any adjuvant treatment, p < 0.05). No statistically significant differences were found when analyzing the study population according to sex (p > 0.1) and T classification of disease at presentation (p > 0.05). Conclusions Radical endoscopic endonasal resection led to either complete or at least partial recovery of patient QOL within the 1st postoperative year.
SUMMARY Disregarding the widely used division of skull base into anterior and lateral, since the skull base should be conceived as a single anatomic structure, it was to our convenience to group all those approaches that run from the antero-lateral, pure lateral and postero-lateral side of the skull base as “Surgery of the lateral skull base”. “50 years of endeavour” points to the great effort which has been made over the last decades, when more and more difficult surgeries were performed by reducing morbidity. The principle of lateral skull base surgery, “remove skull base bone to approach the base itself and the adjacent sites of the endo-esocranium”, was then combined with function preservation and with tailoring surgery to the pathology. The concept that histology dictates the extent of resection, balancing the intrinsic morbidity of each approach was the object of the first section of the present report. The main surgical approaches were described in the second section and were conceived not as a step-by-step description of technique, but as the highlighthening of the surgical principles. The third section was centered on open issues related to the tumor and its treatment. The topic of vestibular schwannoma was investigated with the current debate on observation, hearing preservation surgery, hearing rehabilitation, radiotherapy and the recent efforts to detect biological markers able to predict tumor growth. Jugular foramen paragangliomas were treated in the frame of radical or partial surgery, radiotherapy, partial “tailored” surgery and observation. Surgery on meningioma was debated from the point of view of the neurosurgeon and of the otologist. Endolymphatic sac tumors and malignant tumors of the external auditory canal were also treated, as well as chordomas, chondrosarcomas and petrous bone cholesteatomas. Finally, the fourth section focused on free-choice topics which were assigned to aknowledged experts. The aim of this work was attempting to report the state of the art of the lateral skull base surgery after 50 years of hard work and, above all, to raise questions on those issues which still need an answer, as to allow progress in knowledge through sharing of various experiences. At the end of the reading, if more doubts remain rather than certainties, the aim of this work will probably be achieved.
The endoscopic transnasal approaches are safe and feasible techniques for the radical resection of selected tumors involving the PPF and should be tailored according to the biology and extension of the lesion. © 2015 Wiley Periodicals, Inc. Head Neck 38: E214-E220, 2016.
The endoscopic approach provides encouraging oncologic outcomes for sinonasal IP-SCC, comparable to those observed with traditional external approaches while minimizing morbidity for patients. © 2016 Wiley Periodicals, Inc. Head Neck 38: 1708-1716, 2016.
The TEPM is a stepwise approach offering increasing access that can be tailored to different maxillary, sinonasal, and skull base pathologies with minimal morbidity for patients. © 2016 Wiley Periodicals, Inc. Head Neck 39: 754-766, 2017.
The endoscopic-assisted transorbital approach should be considered a safe and effective option that can be applied in the treatment of lesions affecting such complex anatomical regions, as it offers excellent visualization of the surgical field, acceptable sequelae and reduced morbidity in relation to the traditional transcranial/transfacial approaches. Further studies and larger case series are needed in order to validate the reproducibility and range of applications of this surgical technique.
Objectives Adenoid cystic carcinoma (ACC) is a locally aggressive salivary gland malignancy prone to perineural invasion and local recurrences. In the literature, few data exist to guide treatment when this tumor involves the paranasal sinuses and skull base. We report our experience in the management of sinonasal adenoid cystic carcinoma through an endoscopic endonasal approach. Methods Retrospective analysis of patients affected by sinonasal ACC treated through an endoscopic endonasal approach from 1997 to 2015, managed at the Universities of Varese and Brescia, Italy. Results Thirty‐four patients were included in the analysis. The ethmoid sinus (55.9%), nasal septum (17.7%), maxillary sinus (11.7%), and sphenoid sinus (5.9%) were the primary tumor sites encountered. Twenty patients (58.8%) presented with T3 or T4, without any systemic spreading. Twenty‐nine patients underwent endoscopic transnasal resection, whereas the involvement of the anterior skull base in five cases required a transnasal endoscopic craniectomy. Overall, 20 of 34 (58.8%) patients received some form of adjuvant radiotherapy. The follow‐up ranged from 12 to 202 months (mean of 73.2 months). The 5‐year overall, disease‐specific, and recurrence‐free survival rates were 86.5% ± 7.39%, 86.5% ± 7.39%, and 71.8% ± 8.67%, respectively. Conclusions The endoscopic approach is safe and effective for selected sinonasal ACC, reducing the comorbidities of the external approaches while producing similar oncological results. High T‐stage, grade III histology, positive surgical margins, and perineural infiltration all have an important negative prognostic value. Level of Evidence 4 Laryngoscope, 129:1071–1077, 2019
Surgery followed by radiotherapy has remained a mainstay for management of n-ITAC, and the endoscopic transnasal approach, when correctly planned and indicated, is the surgery of choice. Adjuvant radiotherapy is recommended in cases of high-stage (T3 and T4) and high-grade tumors. n-ITAC is associated with a favorable outcome. High grade, pT4 stage, and positive surgical margins are independent negative prognostic factors.
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