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Iannalfi A, Riva G, Ciccone L, Orlandi E. The role of particle radiotherapy in the treatment of skull base tumors. Front Oncol 2023; 13:1161752. [PMID: 37350949 PMCID: PMC10283010 DOI: 10.3389/fonc.2023.1161752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/19/2023] [Indexed: 06/24/2023] Open
Abstract
The skull base is an anatomically and functionally critical area surrounded by vital structures such as the brainstem, the spinal cord, blood vessels, and cranial nerves. Due to this complexity, management of skull base tumors requires a multidisciplinary approach involving a team of specialists such as neurosurgeons, otorhinolaryngologists, radiation oncologists, endocrinologists, and medical oncologists. In the case of pediatric patients, cancer management should be performed by a team of pediatric-trained specialists. Radiation therapy may be used alone or in combination with surgery to treat skull base tumors. There are two main types of radiation therapy: photon therapy and particle therapy. Particle radiotherapy uses charged particles (protons or carbon ions) that, due to their peculiar physical properties, permit precise targeting of the tumor with minimal healthy tissue exposure. These characteristics allow for minimizing the potential long-term effects of radiation exposure in terms of neurocognitive impairments, preserving quality of life, and reducing the risk of radio-induced cancer. For these reasons, in children, adolescents, and young adults, proton therapy should be an elective option when available. In radioresistant tumors such as chordomas and sarcomas and previously irradiated recurrent tumors, particle therapy permits the delivery of high biologically effective doses with low, or however acceptable, toxicity. Carbon ion therapy has peculiar and favorable radiobiological characteristics to overcome radioresistance features. In low-grade tumors, proton therapy should be considered in challenging cases due to tumor volume and involvement of critical neural structures. However, particle radiotherapy is still relatively new, and more research is needed to fully understand its effects. Additionally, the availability of particle therapy is limited as it requires specialized equipment and expertise. The purpose of this manuscript is to review the available literature regarding the role of particle radiotherapy in the treatment of skull base tumors.
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Baig Mirza A, Ravindran V, Okasha M, Boardman TM, Maratos E, Sinan B, Thomas N. Systematic Review Comparing Open versus Endoscopic Surgery in Clival Chordomas and a 10-Year Single-Center Experience. Skull Base Surg 2022; 83:e113-e125. [DOI: 10.1055/s-0041-1722933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 11/27/2020] [Indexed: 10/22/2022]
Abstract
Abstract
Objectives Chordomas are rare, slow-growing, and osteo-destructive tumors of the primitive notochord. There is still contention in the literature as to the optimal management of chordoma. We conducted a systematic review of the surgical management of chordoma along with our 10-year institutional experience.
Design A systematic search of the literature was performed in October 2020 by using MEDLINE and EMBASE for articles relating to the surgical management of clival chordomas. We also searched for all adult patients surgically treated for primary clival chordomas at our institute between 2009 and 2019.
Participants Only articles describing chordomas arising from the clivus were included in the analysis. For our institution experience, only adult primary clival chordoma cases were included.
Main Outcome Measures Patients were divided into endoscopic or open surgery. Rate of gross total resection (GTR), recurrence, and complications were measured.
Results Our literature search yielded 24 articles to include in the study. Mean GTR rate among endoscopic cases was 51.9% versus 41.7% for open surgery. Among the eight cases in our institutional experience, we found similar GTR rates between endoscopic and open surgery.
Conclusion Although there is clear evidence in the literature that endoscopic approaches provide better rates of GTR with fewer overall complications compared to open surgery. However, there are still situations where endoscopy is not viable, and thus, open surgery should still be considered if required.
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Affiliation(s)
- Asfand Baig Mirza
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Visagan Ravindran
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Mohamed Okasha
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | | | - Eleni Maratos
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Barazi Sinan
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Nick Thomas
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
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Hall MN, Raviskanthan S, Mortensen PW, Lee AG. Isolated Fourth Nerve Palsy as the Presenting Sign of Clival Chordoma. J Neuroophthalmol 2022; 42:e391-e393. [PMID: 33449491 DOI: 10.1097/wno.0000000000001169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- MacGregor N Hall
- McGovern Medical School at the University of Texas Health Science Center at Houston (MNH), Houston, Texas ; Department of Ophthalmology (SR, PM, AGL), Blanton Eye Institute, Houston Methodist Hospital, Houston, Texas; Departments of Ophthalmology, Neurology, and Neurosurgery (AGL), Weill Cornell Medicine, New York, New York; Department of Ophthalmology (AGL), University of Texas Medical Branch, Galveston, Texas; University of Texas MD Anderson Cancer Center (AGL), Houston, Texas; Texas A and M College of Medicine (AGL), Bryan, Texas; and Department of Ophthalmology (AGL), the University of Iowa Hospitals and Clinics, Iowa City, Iowa
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Munari S, Colangeli R, Ramacciotti G, Zanoletti E. Clivus Chordoma: Case Report and Current Considerations on Treatment Strategies. J Int Adv Otol 2021; 16:286-290. [PMID: 32784169 DOI: 10.5152/iao.2020.7494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Chordomas are the rare malignant bone lesions derived from the embryonic notochord. They are slow-growing tumors with a locally aggressive behavior. The clival chordomas are extradural, exophytic, and lytic lesions centered on the clivus, and are managed differently from those arising elsewhere because of the emphasis on preserving the neurological function. The gold standard for therapy is the complete resection followed by radiation therapy for a better local control of the tumor. This case report concerns a 20-year old girl with an incidental diagnosis of the clival chordoma, which was first treated via an endoscopic anterior approach to remove the exophytic portion of the tumor. The adjuvant radiation therapy was not feasible because of the macroscopic intradural residual tumor being at the level of jugular foramen. The girl was referred to our institute for the removal of the intradural residual tumor via a petro-occipital trans-sigmoid (POTS) approach followed by adjuvant proton beam therapy. The choice of the surgical approach depends on the size of the tumor, its location, and its anatomical distribution, but should also be balanced against the morbidity, considering the patient's age, and the feasibility of postoperative rehabilitation.
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Affiliation(s)
- Sara Munari
- Division of Otolaryngology, Department of Neurosciences DNS, Padova University, Padova, Italy
| | - Roberta Colangeli
- Division of Otolaryngology, Department of Neurosciences DNS, Padova University, Padova, Italy
| | - Giulia Ramacciotti
- Division of Otolaryngology, Department of Neurosciences DNS, Padova University, Padova, Italy
| | - Elisabetta Zanoletti
- Division of Otolaryngology, Department of Neurosciences DNS, Padova University, Padova, Italy
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5
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[Interdisciplinary surgery to the central skull base-current status]. HNO 2021; 70:24-32. [PMID: 33822265 PMCID: PMC8760191 DOI: 10.1007/s00106-021-01022-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/11/2021] [Indexed: 11/29/2022]
Abstract
Hintergrund Die Schädelbasis stellt eine chirurgisch hochkomplexe Einheit dar und ist häufig nur über kombinierte Zugangswege erreichbar. Neu entwickelte Operationstechniken mit Verwendung von mikrochirurgischen Visualisierungsverfahren und aktiven Instrumenten („powered instruments“) sowie „Multi-Port-Zugänge“ ermöglichen neue, weniger traumatische Operationskorridore. Hierfür ist eine enge interdisziplinäre Zusammenarbeit zwischen dem Chirurgen aus dem Fachgebiet der Hals-Nasen-Ohren-Heilkunde sowie dem Neurochirurgen notwendig. Die aktuell etablierten Zugangsverfahren zur zentralen Schädelbasis werden aufgrund eigener klinischer Erfahrungen und unter Berücksichtigung der Entität systematisiert und in Bezug auf die aktuelle Studienlage erörtert. Material und Methode Es erfolgte eine retrospektive, qualitative und deskriptive Auswertung der Operationsberichte einzelner Patienten, die in der Zeit zwischen 2006 und 2019 mit Pathologien an der zentralen Schädelbasis chirurgisch gemeinsam von der Neurochirurgie und der Hals-Nasen-Ohren-Heilkunde/Kopf- und Halschirurgie behandelt wurden. Ergebnisse Die chirurgischen Zugangswege zur zentralen Schädelbasis ließen sich nachfolgend kategorisieren, teilweise auch in Kombination derselben, als sog. Multi-Port-Zugänge: transnasal-transsphenoidal, subfrontal, subtemporal, transzygomatisch, transpterygonal, transpetrös, translabyrinthär und subokzipital. Maßgebend für die Wahl des Zugangswegs waren die Lokalisation und Art der Pathologie, sowie der mögliche Anspruch auf Funktionserhalt und Komplettentfernung. Schlussfolgerung Aufgrund der Komplexität der Strukturen der zentralen Schädelbasis, der unterschiedlichsten Tumorentitäten und der benötigten Fachkompetenz unterschiedlicher Facharztdisziplinen bleibt die Chirurgie der zentralen Schädelbasis eine Herausforderung, der man sich nur an speziellen, nach den Kriterien der Gesellschaft für Schädelbasischirurgie e. V. zertifizierten Kompetenzzentren stellen sollte.
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Bai R, Zhao ZQ, Wang YX, Zhao W, Wu LS, Cui SX, Guo SB, Liang CL. Sacral and thoracic chordoma with pulmonary metastases: A case report and review of the literature. Mol Clin Oncol 2020; 14:17. [PMID: 33363727 PMCID: PMC7725214 DOI: 10.3892/mco.2020.2179] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 10/23/2020] [Indexed: 12/30/2022] Open
Abstract
Chordoma is a sporadic type of cancer that affects the spine and is particularly challenging to treat due to the paucity of reported cases and scientific literature. In particular, primary chordomas affecting both the sacral and thoracic vertebrae are extremely rare. We herein report a rare case of chordoma in the sacral and thoracic vertebrae with pulmonary metastasis, along with a literature review. The objective of the present study was to explore treatment options and long-term outcomes in patients with metastatic chordoma. Posterior decompression was performed for the thoracic tumor, followed by extended resection of the sacral tumor. The symptoms of the patient were relieved after surgery, and the postoperative Nurick score decreased from grade 3 to grade 2, while the postoperative McCormick score was I. Therefore, complete chordoma excision and internal spinal fixation may effectively reduce tumor recurrence and metastasis.
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Affiliation(s)
- Rui Bai
- Department of Orthopedic Surgery, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010030, P.R. China
| | - Zhen-Qun Zhao
- Department of Orthopedic Surgery, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010030, P.R. China
| | - Yu-Xin Wang
- Department of Orthopedic Surgery, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010030, P.R. China
| | - Wei Zhao
- Department of Orthopedic Surgery, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010030, P.R. China
| | - Li-Shuan Wu
- Department of Orthopedic Surgery, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010030, P.R. China
| | - Shu-Xia Cui
- Department of Orthopedic Surgery, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010030, P.R. China
| | - Shi-Bing Guo
- Department of Orthopedic Surgery, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010030, P.R. China
| | - Chen-Liang Liang
- Department of Orthopedic Surgery, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010030, P.R. China
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Beer-Furlan A, Vellutini EDAS, Balsalobre L, Stamm AC. Endoscope-Assisted Middle Fossa Approach: Optimizing the Surgical Corridor for the Resection of Multicompartmental Chordomas. J Neurol Surg B Skull Base 2020; 82:e172-e178. [PMID: 34306933 DOI: 10.1055/s-0040-1702218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 01/10/2020] [Indexed: 10/24/2022] Open
Abstract
Background Skull base chordomas are a major therapeutic challenge. The surgical management involves selecting an approach that will offer the patient the best chance of largest/complete removal while minimizing morbidity and mortality. Methods Medical records and imaging review of two skull base chordomas involving the middle fossa and posterior fossa that were successfully treated with an endoscope-assisted middle fossa approach. Results The use of angled endoscopes provided better identification of anatomical landmarks and improved tumor resection when compared with the microscopic surgical exposure. The approach selection, anatomical landmarks, and technical aspects of the intraoperative setting of the endoscope-assisted approach are discussed. Conclusion Endoscopic assistance in the middle fossa approach is a safe and valuable tool for maximizing the reach of the surgical corridor when treating skull base chordomas.
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Affiliation(s)
- André Beer-Furlan
- São Paulo Skull Base Center, São Paulo, Brazil.,DFVneuro Neurosurgical Group, São Paulo, Brazil.,Department of Neurological Surgery, Rush University, Chicago, United States
| | | | - Leonardo Balsalobre
- São Paulo Skull Base Center, São Paulo, Brazil.,Department of Otolaryngology, São Paulo ENT Center, Hospital Professor Edmundo Vasconcelos, São Paulo, Brazil
| | - Aldo Cassol Stamm
- São Paulo Skull Base Center, São Paulo, Brazil.,Department of Otolaryngology, São Paulo ENT Center, Hospital Professor Edmundo Vasconcelos, São Paulo, Brazil
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8
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Noor A, Bindal P, Ramirez M, Vredenburgh J. Chordoma: A Case Report and Review of Literature. AMERICAN JOURNAL OF CASE REPORTS 2020; 21:e918927. [PMID: 31969553 PMCID: PMC6998794 DOI: 10.12659/ajcr.918927] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Patient: Female, 68-year-old Final Diagnosis: Chordoma Symptoms: Hoarseness • neck pain • weakness Medication: — Clinical Procedure: — Specialty: Oncology
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Affiliation(s)
- Arish Noor
- Internal Medicine, University of Connecticut, Farmington, CT, USA
| | - Poorva Bindal
- Internal Medicine, University of Connecticut, Farmington, CT, USA
| | - Miguel Ramirez
- Department of Radiology, St. Francis Hospital, Hartford, CT, USA
| | - James Vredenburgh
- Department of Hematology Oncology, St. Francis Hospital, Hartford, CT, USA
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9
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Liu Z, Zhang Y, Feng R, Tian Z, Rao Y, Lu Y, Xu J. Intrasellar symptomatic salivary gland: case series and literature review. Pituitary 2019; 22:640-646. [PMID: 31677129 DOI: 10.1007/s11102-019-01002-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
PURPOSE Ectopic salivary glands have been found in both extracranial and intracranial locations, however, intrasellar symptomatic salivary gland is extremely rare and its clinical manifestation, radiological characteristics and outcome have not been systematically studied. Here we present a case series of intrasellar symptomatic salivary gland and perform a literature review to better characterize this disease. METHODS We retrospectively reviewed the data of three patients with intrasellar symptomatic salivary gland from our institutional and other cases available in literatures. Information for sex, age at diagnosis, clinical symptoms, radiological features, treatment strategy and prognosis were recorded. RESULTS A total of 11 cases (including our own) were identified. There were three men and eight women, with an average age at diagnosis of 28.3 years. The peak incidence was in the second and the third decade (72.7% of all cases). The most common symptom was headache (81.8% of all patients). About 63.6% patients had one or more abnormal hormone levels, and prolactin was likely the most vulnerable hormone. The radiological appearances of intrasellar salivary gland were various, and four cases mimicked pituitary adenoma radiologically. All patients underwent transsphenoidal surgery with no mortality. CONCLUSION Although intrasellar symptomatic salivary gland is rare, it should be considered in the differential diagnosis of intrasellar lesions. Preoperative diagnosis is challenging since it mimics pituitary neoplasm in clinical and radiological manifestations, and confirmation for this disease could only be conducted through pathological examination. Transsphenoidal surgical resection is the preferred therapy and the patient prognosis is usually good.
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Affiliation(s)
- Zhiyong Liu
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China
| | - Yang Zhang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China
- West China School of Medicine, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Ridong Feng
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China
- West China School of Medicine, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Zerong Tian
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China
- West China School of Medicine, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Yaping Rao
- Department of Pathology, West China Hospital, Sichuan University, Chengdu, China
| | - Ya Lu
- Department of Pathology, West China Hospital, Sichuan University, Chengdu, China
| | - Jianguo Xu
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China.
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10
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Zanoletti E, Mazzoni A, Martini A, Abbritti RV, Albertini R, Alexandre E, Baro V, Bartolini S, Bernardeschi D, Bivona R, Bonali M, Borghesi I, Borsetto D, Bovo R, Breun M, Calbucci F, Carlson ML, Caruso A, Cayé-Thomasen P, Cazzador D, Champagne PO, Colangeli R, Conte G, D'Avella D, Danesi G, Deantonio L, Denaro L, Di Berardino F, Draghi R, Ebner FH, Favaretto N, Ferri G, Fioravanti A, Froelich S, Giannuzzi A, Girasoli L, Grossardt BR, Guidi M, Hagen R, Hanakita S, Hardy DG, Iglesias VC, Jefferies S, Jia H, Kalamarides M, Kanaan IN, Krengli M, Landi A, Lauda L, Lepera D, Lieber S, Lloyd SLK, Lovato A, Maccarrone F, Macfarlane R, Magnan J, Magnoni L, Marchioni D, Marinelli JP, Marioni G, Mastronardi V, Matthies C, Moffat DA, Munari S, Nardone M, Pareschi R, Pavone C, Piccirillo E, Piras G, Presutti L, Restivo G, Reznitsky M, Roca E, Russo A, Sanna M, Sartori L, Scheich M, Shehata-Dieler W, Soloperto D, Sorrentino F, Sterkers O, Taibah A, Tatagiba M, Tealdo G, Vlad D, Wu H, Zanetti D. Surgery of the lateral skull base: a 50-year endeavour. ACTA OTORHINOLARYNGOLOGICA ITALICA : ORGANO UFFICIALE DELLA SOCIETA ITALIANA DI OTORINOLARINGOLOGIA E CHIRURGIA CERVICO-FACCIALE 2019; 39:S1-S146. [PMID: 31130732 PMCID: PMC6540636 DOI: 10.14639/0392-100x-suppl.1-39-2019] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
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.
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Affiliation(s)
- E Zanoletti
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | - A Mazzoni
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | - A Martini
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | - R V Abbritti
- Department of Neurosurgery, Lariboisière Hospital, University of Paris Diderot, Paris, France
| | | | - E Alexandre
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | - V Baro
- Academic Neurosurgery, Department of Neuroscience DNS, University of Padova Medical School, Padova, Italy
| | - S Bartolini
- Neurosurgery, Bellaria Hospital, Bologna, Italy
| | - D Bernardeschi
- AP-HP, Groupe Hôspital-Universitaire Pitié-Salpêtrière, Neuro-Sensory Surgical Department and NF2 Rare Disease Centre, Paris, France
- Sorbonne Université, Paris, France
| | - R Bivona
- ENT and Skull-Base Surgery Department, Department of Neurosciences, Ospedale Papa Giovanni XXIII, Bergamo, Italy
| | - M Bonali
- Otolaryngology-Head and Neck Surgery Department, University Hospital of Modena, Italy
| | - I Borghesi
- Neurosurgery, Maria Cecilia Hospital, Cotignola (RA), Italy
| | - D Borsetto
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | - R Bovo
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | - M Breun
- Department of Neurosurgery, Julius Maximilians University Hospital Würzburg, Bavaria, Germany
| | - F Calbucci
- Neurosurgery, Maria Cecilia Hospital, Cotignola (RA), Italy
| | - M L Carlson
- Department of Otolaryngology-Head and Neck Surgery, Mayo Clinic, Rochester, MN, USA
- Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, USA
| | - A Caruso
- Gruppo Otologico, Piacenza-Rome, Italy
| | - P Cayé-Thomasen
- The Department of Otorhinolaryngology, Head & Neck Surgery and Audiology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - D Cazzador
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
- Department of Neuroscience DNS, Section of Human Anatomy, Padova University, Padova, Italy
| | - P-O Champagne
- Department of Neurosurgery, Lariboisière Hospital, University of Paris Diderot, Paris, France
| | - R Colangeli
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | - G Conte
- Department of Neuroradiology, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milano, Italy
| | - D D'Avella
- Academic Neurosurgery, Department of Neuroscience DNS, University of Padova Medical School, Padova, Italy
| | - G Danesi
- ENT and Skull-Base Surgery Department, Department of Neurosciences, Ospedale Papa Giovanni XXIII, Bergamo, Italy
| | - L Deantonio
- Department of Radiation Oncology, University Hospital Maggiore della Carità, Novara, Italy
- Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
| | - L Denaro
- Academic Neurosurgery, Department of Neuroscience DNS, University of Padova Medical School, Padova, Italy
| | - F Di Berardino
- Unit of Audiology, Department of Clinical Sciences and Community Health, University of Milano, Italy
- Department of Surgery, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milano, Italy
| | - R Draghi
- Neurosurgery, Maria Cecilia Hospital, Cotignola (RA), Italy
| | - F H Ebner
- Department of Neurosurgery, Eberhard Karls University Tübingen, Germany
| | - N Favaretto
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | - G Ferri
- Otolaryngology-Head and Neck Surgery Department, University Hospital of Modena, Italy
| | | | - S Froelich
- Department of Neurosurgery, Lariboisière Hospital, University of Paris Diderot, Paris, France
| | | | - L Girasoli
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | - B R Grossardt
- Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - M Guidi
- Gruppo Otologico, Piacenza-Rome, Italy
| | - R Hagen
- Department of Otorhinolaryngology, Plastic, Aesthetic and Reconstructive Head and Neck Surgery, "Julius-Maximilians" University Hospital of Würzburg, Bavaria, Germany
| | - S Hanakita
- Department of Neurosurgery, Lariboisière Hospital, University of Paris Diderot, Paris, France
| | - D G Hardy
- Department of Neurosurgery, Cambridge University Hospital, Cambridge, UK
| | - V C Iglesias
- ENT and Skull-Base Surgery Department, Department of Neurosciences, Ospedale Papa Giovanni XXIII, Bergamo, Italy
| | - S Jefferies
- Oncology Department, Cambridge University Hospital, Cambridge, UK
| | - H Jia
- Department of Otolaryngology Head and Neck Surgery, Shanghai Ninh People's Hospital, Shanghai Jiatong University School of Medicine, China
| | - M Kalamarides
- AP-HP, Groupe Hôspital-Universitaire Pitié-Salpêtrière, Neuro-Sensory Surgical Department and NF2 Rare Disease Centre, Paris, France
- Sorbonne Université, Paris, France
| | - I N Kanaan
- Department of Neurosciences, King Faisal Specialist Hospital & Research Center, Alfaisal University, College of Medicine, Riyadh, KSA
| | - M Krengli
- Department of Radiation Oncology, University Hospital Maggiore della Carità, Novara, Italy
- Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
| | - A Landi
- Academic Neurosurgery, Department of Neuroscience DNS, University of Padova Medical School, Padova, Italy
| | - L Lauda
- Gruppo Otologico, Piacenza-Rome, Italy
| | - D Lepera
- ENT & Skull-Base Department, Ospedale Nuovo di Legnano, Legnano (MI), Italy
| | - S Lieber
- Department of Neurosurgery, Eberhard Karls University Tübingen, Germany
| | - S L K Lloyd
- Department of Neuro-Otology and Skull-Base Surgery Manchester Royal Infirmary, Manchester, UK
| | - A Lovato
- Department of Neuroscience DNS, Audiology Unit, Padova University, Treviso, Italy
| | - F Maccarrone
- Otolaryngology-Head and Neck Surgery Department, University Hospital of Modena, Italy
| | - R Macfarlane
- Department of Neurosurgery, Cambridge University Hospital, Cambridge, UK
| | - J Magnan
- University Aix-Marseille, France
| | - L Magnoni
- Unit of Audiology, Department of Clinical Sciences and Community Health, University of Milano, Italy
- Department of Surgery, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milano, Italy
| | - D Marchioni
- Otolaryngology-Head and Neck Surgery Department, University Hospital of Verona, Italy
| | | | - G Marioni
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | | | - C Matthies
- Department of Neurosurgery, Julius Maximilians University Hospital Würzburg, Bavaria, Germany
| | - D A Moffat
- Department of Neuro-otology and Skull Base Surgery, Cambridge University Hospital, Cambridge, UK
| | - S Munari
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | - M Nardone
- ENT Department, Treviglio (BG), Italy
| | - R Pareschi
- ENT & Skull-Base Department, Ospedale Nuovo di Legnano, Legnano (MI), Italy
| | - C Pavone
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | | | - G Piras
- Gruppo Otologico, Piacenza-Rome, Italy
| | - L Presutti
- Otolaryngology-Head and Neck Surgery Department, University Hospital of Modena, Italy
| | - G Restivo
- ENT and Skull-Base Surgery Department, Department of Neurosciences, Ospedale Papa Giovanni XXIII, Bergamo, Italy
| | - M Reznitsky
- The Department of Otorhinolaryngology, Head & Neck Surgery and Audiology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - E Roca
- Department of Neurosurgery, Lariboisière Hospital, University of Paris Diderot, Paris, France
| | - A Russo
- Gruppo Otologico, Piacenza-Rome, Italy
| | - M Sanna
- Gruppo Otologico, Piacenza-Rome, Italy
| | - L Sartori
- Academic Neurosurgery, Department of Neuroscience DNS, University of Padova Medical School, Padova, Italy
| | - M Scheich
- Department of Otorhinolaryngology, Plastic, Aesthetic and Reconstructive Head and Neck Surgery, "Julius-Maximilians" University Hospital of Würzburg, Bavaria, Germany
| | - W Shehata-Dieler
- Department of Otorhinolaryngology, Plastic, Aesthetic and Reconstructive Head and Neck Surgery, "Julius-Maximilians" University Hospital of Würzburg, Bavaria, Germany
| | - D Soloperto
- Otolaryngology-Head and Neck Surgery Department, University Hospital of Verona, Italy
| | - F Sorrentino
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | - O Sterkers
- AP-HP, Groupe Hôspital-Universitaire Pitié-Salpêtrière, Neuro-Sensory Surgical Department and NF2 Rare Disease Centre, Paris, France
- Sorbonne Université, Paris, France
| | - A Taibah
- Gruppo Otologico, Piacenza-Rome, Italy
| | - M Tatagiba
- Department of Neurosurgery, Eberhard Karls University Tübingen, Germany
| | - G Tealdo
- Department of Neuroscience DNS, Otolaryngology Section, Padova University, Padova, Italy
| | - D Vlad
- Gruppo Otologico, Piacenza-Rome, Italy
| | - H Wu
- Department of Otolaryngology Head and Neck Surgery, Shanghai Ninh People's Hospital, Shanghai Jiatong University School of Medicine, China
| | - D Zanetti
- Unit of Audiology, Department of Clinical Sciences and Community Health, University of Milano, Italy
- Department of Surgery, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milano, Italy
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11
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Endoscopic Endonasal Approaches for Treatment of Craniovertebral Junction Tumours. ACTA NEUROCHIRURGICA. SUPPLEMENT 2019; 125:209-224. [PMID: 30610324 DOI: 10.1007/978-3-319-62515-7_30] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Tumours involving the craniovertebral junction (CVJ) are challenging because of their local invasiveness and high recurrence rates, as well as their proximity to critical neurovascular structures and the difficulty of reconstructing the resulting skull base defect at this site. Several surgical techniques are currently available to access these lesions, including the far lateral, extreme lateral, direct lateral, transcervical, transoral and transnasal approaches. In this paper, application of the endoscopic endonasal approach (EEA) in the treatment of CVJ tumours is analysed. The indications, contraindications, preoperative workup, step-by-step surgical technique, skull base reconstruction options and postoperative management are described. The advantages and limitations of the EEA are also discussed. Finally, a systematic review of the literature is provided to elucidate the levels of evidence supporting the use of the EEA in this field. Employment of this approach to the CVJ has contributed to high success rates in achieving gross total resection of tumours and improvement in neurological symptoms. Intraoperative and postoperative complication rates are acceptable, with cerebrospinal fluid leakage being the major concern (with a 17-25% incidence). Moreover, in comparison with traditional approaches to the CVJ, the EEA provides lower rates of postoperative dysphagia and respiratory complications. Use of the EEA for treatment of CVJ tumours appears to be a rational alternative to the conventional transoral, transcranial and transcervical approaches in selected cases. Multidisciplinary teamwork including different specialists-such as medical and radiation oncologists, radiologists, otorhinolaryngologists and neurosurgeons-is strongly recommended for the purpose of offering the best treatment strategy for the patient.
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12
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Leah P, Dower A, Vescovi C, Mulcahy M, Al Khawaja D. Clinical experience of intracranial chordoma – A systematic review and meta-analysis of the literature. J Clin Neurosci 2018; 53:6-12. [DOI: 10.1016/j.jocn.2018.04.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 04/09/2018] [Indexed: 01/31/2023]
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13
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Kutlay M, Durmaz A, Özer İ, Kural C, Temiz Ç, Kaya S, Solmaz İ, Daneyemez M, Izci Y. Extended endoscopic endonasal approach to the ventral skull base lesions. Clin Neurol Neurosurg 2018; 167:129-140. [DOI: 10.1016/j.clineuro.2018.02.032] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 02/13/2018] [Accepted: 02/19/2018] [Indexed: 02/08/2023]
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14
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The Sellar Tumor: Metastasis or Chordoma? J Craniofac Surg 2018; 29:e259-e261. [PMID: 29381634 DOI: 10.1097/scs.0000000000004284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Chordomas are uncommon, locally invasive chordate tumors, which are mostly observed in the axial skeleton. Numerous papers have described similar patients around different anatomic locations; however, rare document previously reported that intracranial chordoma was associated with clear cell renal cell carcinoma (ccRCC). The authors report a 51-year-old male patient with a history of right radical nephrectomy for ccRCC presented to us with progressive blurred vision. Ophthalmic examination showed vision loss and visual field defects. Magnetic resonance imaging demonstrated pituitary tumor with hemorrhage, which was compressing the optic chiasm. He underwent a transnasal endoscope resection of the sellar mass. The immediate postoperative pathologic result was simply considered to be pituitary metastasis from ccRCC. After further immunohistochemical study, pathology diagnosis was made the necessary corrections to be the sellar chordoma. The authors summarize this exceptional patient and review the pertinent literature briefly.
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15
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Zamora C, Castillo M. Sellar and Parasellar Imaging. Neurosurgery 2016; 80:17-38. [DOI: 10.1093/neuros/nyw013] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 10/18/2016] [Indexed: 11/13/2022] Open
Abstract
Abstract
The skull base is a complex anatomical region that harbors many important neurovascular structures in a relatively confined space. The pathology that can develop at this site is varied, and many disease processes may present with similar clinical and neuroimaging findings. While computed tomography maintains a role in the evaluation of many entities and can, for instance, delineate osseous erosion with great detail and characterize calcified tumor matrices, magnetic resonance imaging (MRI) is the mainstay in the neuroimaging assessment of most pathology occurring at the skull base. Various MRI sequences have proven to be robust tools for tissue characterization and can provide information on the presence of lipids, paramagnetic and diamagnetic elements, and tumor cellularity, among others. In addition, currently available MRI techniques are able to generate high spatial resolution images that allow visualization of cranial nerves and their involvement by adjacent pathology. The information obtained from such examinations may aid in the distinction of these disease processes and in the accurate delineation of their extent prior to biopsy or treatment planning.
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Mangussi-Gomes J, Beer-Furlan A, Balsalobre L, Vellutini EAS, Stamm AC. Endoscopic Endonasal Management of Skull Base Chordomas: Surgical Technique, Nuances, and Pitfalls. Otolaryngol Clin North Am 2016; 49:167-82. [PMID: 26614836 DOI: 10.1016/j.otc.2015.09.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Chordoma is a rare primary bone tumor derived from transformed notochord remnants. It has a local aggressive behavior and high recurrence rates. Treatment of skull base chordomas is complex and challenging. Control of the disease relies mainly on surgical excision of the tumor, sometimes followed by high-dose radiation therapy. The main surgical goal is to achieve maximal tumor removal with minimal morbidity. Development of the expanded endoscopic endonasal approach has improved surgical and prognostic results of skull base chordomas. This article highlights important aspects of approach selection, technique, and nuances of surgical management of this tumor.
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Affiliation(s)
- João Mangussi-Gomes
- São Paulo Skull Base Center, Rua Afonso Brás, 525, cj. 13, São Paulo 04511-011, Brazil; São Paulo ENT Center, Edmundo Vasconcelos Hospital, Rua Afonso Brás, 525, cj. 13, São Paulo 04511-011, Brazil
| | - André Beer-Furlan
- São Paulo Skull Base Center, Rua Afonso Brás, 525, cj. 13, São Paulo 04511-011, Brazil; DFVneuro Neurosurgical Group, Rua Dona Adma Jafet, 74, cj.121, São Paulo 01308-050, Brazil
| | - Leonardo Balsalobre
- São Paulo Skull Base Center, Rua Afonso Brás, 525, cj. 13, São Paulo 04511-011, Brazil; São Paulo ENT Center, Edmundo Vasconcelos Hospital, Rua Afonso Brás, 525, cj. 13, São Paulo 04511-011, Brazil
| | - Eduardo A S Vellutini
- São Paulo Skull Base Center, Rua Afonso Brás, 525, cj. 13, São Paulo 04511-011, Brazil; DFVneuro Neurosurgical Group, Rua Dona Adma Jafet, 74, cj.121, São Paulo 01308-050, Brazil
| | - Aldo C Stamm
- São Paulo Skull Base Center, Rua Afonso Brás, 525, cj. 13, São Paulo 04511-011, Brazil; São Paulo ENT Center, Edmundo Vasconcelos Hospital, Rua Afonso Brás, 525, cj. 13, São Paulo 04511-011, Brazil.
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17
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Liu JQ, Zhang QH, Wang ZL. Clinicopathological significance of p16, cyclin D1, Rb and MIB-1 levels in skull base chordoma and chondrosarcoma. World J Otorhinolaryngol Head Neck Surg 2015; 1:50-56. [PMID: 29204540 PMCID: PMC5698503 DOI: 10.1016/j.wjorl.2015.09.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 09/18/2015] [Accepted: 09/29/2015] [Indexed: 11/25/2022] Open
Abstract
Objective To investigate the expression of p16, cyclin D1, retinoblastoma tumor suppressor protein (Rb) and MIB-1 in skull base chordoma and chondrosarcoma tissues, and to determine the clinicopathological significance of the above indexes in these diseases. Methods A total of 100 skull base chordoma, 30 chondrosarcoma, and 20 normal cartilage tissue samples were analyzed by immunohistochemistry. The expression levels of p16, cyclinD1, Rb and MIB-1 proteins were assessed for potential correlation with the clinicopathological features. Results As compared to normal cartilage specimen (control), there was decreased expression of p16, and increased expression of cyclin D1, Rb and MIB-1 proteins, in both skull base chordoma and chondrosarcoma specimens. MIB-1 LI levels were significantly increased in skull base chordoma specimens with negative expression of p16, and positive expression of cyclin D1 and Rb (P < 0.05). Significantly elevated MIB-1 LI was also detected in skull base chondrosarcoma tissues, while there was negative expression of p16, cyclin D1 and Rb (P < 0.05). In skull base chordoma, p16 negatively correlated with cyclin D1 and Rb, while cyclin D1 positively correlated with Rb. Additionally, p16, cyclin D1, Rb, or MIB-1 expression showed no correlation with age, gender, or pathological classification of patients with skull base chordoma (P > 0.05). However, p16 and MIB-1 levels correlated with the intradural invasion, and expression of p16, Rb and MIB-1 correlated with the number of tumor foci (P < 0.05). Further, the expression of p16 and MIB-1 appeared to correlate with the prognosis of patients with skull base chordoma. Conclusions The abnormal expression of p16, cyclin D1 and Rb proteins might be associated with the tumorigenesis of skull base chordoma and chondrosarcoma.
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Affiliation(s)
- Jun-Qi Liu
- Xuanwu Hospital Capital Medical University, China
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18
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Mohyeldin A, Prevedello DM, Jamshidi AO, Ditzel Filho LFS, Carrau RL. Nuances in the treatment of malignant tumors of the clival and petroclival region. Int Arch Otorhinolaryngol 2015; 18:S157-72. [PMID: 25992140 PMCID: PMC4399585 DOI: 10.1055/s-0034-1395267] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Introduction Malignancies of the clivus and petroclival region are mainly chordomas and chondrosarcomas. Although a spectrum of malignancies may present in this area, a finite group of commonly encountered malignant pathologies will be the focus of this review, as they are recognized to be formidable pathologies due to adjacent critical neurovascular structures and challenging surgical approaches. Objectives The objective is to review the literature regarding medical and surgical management of malignant tumors of the clival and petroclival region with a focus on clinical presentation, diagnostic identification, and associated adjuvant therapies. We will also discuss our current treatment paradigm using endoscopic, open, and combined approaches to the skull base. Data Synthesis A literature review was conducted, searching for basic science and clinical evidence from PubMed, Medline, and the Cochrane Database. The selection criteria encompassed original articles including data from both basic science and clinical literature, case series, case reports, and review articles on the etiology, diagnosis, treatment, and management of skull base malignancies in the clival and petroclival region. Conclusions The management of petroclival malignancies requires a multidisciplinary team to deliver the most complete surgical resection, with minimal morbidity, followed by appropriate adjuvant therapy. We advocate the combination of endoscopic and open approaches (traditional or minimally invasive) as required by the particular tumor followed by radiation therapy to optimize oncologic outcomes.
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Affiliation(s)
- Ahmed Mohyeldin
- Department of Neurological Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States
| | - Daniel M Prevedello
- Department of Neurological Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States ; Department of Otolaryngology-Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States
| | - Ali O Jamshidi
- Department of Neurological Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States
| | - Leo F S Ditzel Filho
- Department of Neurological Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States
| | - Ricardo L Carrau
- Department of Neurological Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States ; Department of Otolaryngology-Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States
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19
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Jahangiri A, Chin AT, Wagner JR, Kunwar S, Ames C, Chou D, Barani I, Parsa AT, McDermott MW, Benet A, El-Sayed IH, Aghi MK. Factors Predicting Recurrence After Resection of Clival Chordoma Using Variable Surgical Approaches and Radiation Modalities. Neurosurgery 2014; 76:179-85; discussion 185-6. [DOI: 10.1227/neu.0000000000000611] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
ABSTRACT
BACKGROUND:
Clival chordomas frequently recur because of their location and invasiveness.
OBJECTIVE:
To investigate clinical, operative, and anatomic factors associated with clival chordoma recurrence.
METHODS:
Retrospective review of clival chordomas treated at our center from 1993 to 2013.
RESULTS:
Fifty patients (56% male) with median age of 59 years (range, 8–76) were newly diagnosed with clival chordoma of mean diameter 3.3 cm (range, 1.5-6.7). Symptoms included headaches (38%), diplopia (36%), and dysphagia (14%). Procedures included transsphenoidal (n = 34), transoral (n = 4), craniotomy (n = 5), and staged approaches (n = 7). Gross total resection (GTR) rate was 52%, with 83% mean volumetric reduction, values that improved over time. While the lower third of the clivus was the least likely superoinferior zone to contain tumor (upper third = 72%/middle third = 82%/lower third = 42%), it most frequently contained residual tumor (upper third = 33%/middle third = 38%/lower third = 63%; P < .05). Symptom improvement rates were 61% (diplopia) and 53% (headache). Postoperative radiation included proton beam (n = 19), cyberknife (n = 7), intensity-modulated radiation therapy (n = 6), external beam (n = 10), and none (n = 4). At last follow-up of 47 patients, 23 (49%) remain disease-free or have stable residual tumor. Lower third of clivus progressed most after GTR (upper/mid/lower third = 32%/41%/75%). In a multivariate Cox proportional hazards model, male gender (hazard ratio [HR] = 1.2/P = .03), subtotal resection (HR = 5.0/P = .02), and the preoperative presence of tumor in the middle third (HR = 1.2/P = .02) and lower third (HR = 1.8/P = .02) of the clivus increased further growth or regrowth, while radiation modality did not.
CONCLUSION:
Our findings underscore long-standing support for GTR as reducing chordoma recurrence. The lower third of the clivus frequently harbored residual or recurrent tumor, despite staged approaches providing mediolateral (transcranial + endonasal) or superoinferior (endonasal + transoral) breadth. There was no benefit of proton-based over photon-based radiation, contradicting conventional presumptions.
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Affiliation(s)
- Arman Jahangiri
- Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
- Department of Neurosurgery, Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
| | - Aaron T. Chin
- Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
- Department of Neurosurgery, Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
| | - Jeffrey R. Wagner
- Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
- Department of Neurosurgery, Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
| | - Sandeep Kunwar
- Department of Neurosurgery, Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
| | - Christopher Ames
- Department of Neurosurgery, Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
| | - Dean Chou
- Department of Neurosurgery, Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
| | - Igor Barani
- Department of Radiation Oncology, University of California at San Francisco, San Francisco, California
| | - Andrew T. Parsa
- Department of Neurosurgery, Northwestern University, Chicago, Illinois
| | - Michael W. McDermott
- Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
- Department of Neurosurgery, Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
| | - Arnau Benet
- Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
- Skull Base and Cerebrovascular Laboratory, University of California at San Francisco, San Francisco, California
| | - Ivan H. El-Sayed
- Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
- Department of Otolaryngology, University of California at San Francisco, San Francisco, California
| | - Manish K. Aghi
- Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
- Department of Neurosurgery, Center for Minimally Invasive Skull Base Surgery (MISB), University of California at San Francisco, San Francisco, California
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