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Skull base tumor

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https://www.readbyqxmd.com/read/29775008/-skull-base-metastasis-from-differentiated-thyroid-carcinoma-3-cases-report-and-review-of-literature
#1
Z Chen, Q H Qiu, Q H Zhang, Z C Zhu, Y Peng, H Liu
Skull base metastasis from differentiated thyroid carcinoma (DTC), including papillary and follicular thyroid carcinoma, is a rare manifestation and easily misdiagnosed. In this study, we reported three cases whose initial clinical presentation was skull base metastasis complaints with the presence of silent primary sites. Based on the thyroid ultrasound and histopathology (identifying skull base and primary thyroid tumor), the final diagnoses of DTC metastasis to skull base were confirmed. Two patients underwent removal of metastasizing tumors in the skull base and primary thyroid cancer, and have respectively survived 58 months and 4 months since then...
June 5, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29775002/-clinical-significance-of-four-quadrant-localization-in-the-diagnosis-and-treatment-of-metastatic-carcinoma-of-the-neck-with-unknown-primary
#2
Y Y Gao, X H Chen
Objective: The aim of this study is to investigate the clinical significance of four quadrant localization in the diagnosis and treatment of unknown primary cervical metastases. Method: The clinical data with unknown primary cervical metastases, were analyzed retrospectively. All the patients have not been found the original site in the initial treatment. There are four quadrants in the neck, the neck line as the longitudinal axis, and edge of cricoid cartilage as the horizontal axis. When cervical metastasis occurred in the left and right upper quadrant, the primary tumor site and radiotherapy from the skull base to the root of the neck; when appear in left and right lower quadrant, the primary investigation site and radiotherapy from neck to thoracic mediastinum, left lower abdomen also includes following primary search...
June 5, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29774497/safety-of-commercial-airflight-in-patients-with-brain-tumors-a-case-series
#3
Michelle Phillips, Marlon Saria, Amy Eisenberg, Daniel F Kelly, Garni Barkhoudarian
INTRODUCTION: Patients with intracranial masses are often advised to avoid airflight due to concerns of worsening neurological symptoms or deterioration. However, many patients often travel cross-country or internationally to tertiary care centers for definitive care. This study assesses the safety of commercial airflight for brain and skull base tumor patients without severe or progressive neurological deficits. METHODS: Patients that had traveled to our institution for surgery via commercial airflight from 2014 to 2017 were identified...
May 17, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29772400/neuro-endoscope-for-skull-base-tumors
#4
REVIEW
Hua Gao, Chunhui Liu, Yazhuo Zhang
The endoscope has traditionally been used in neurosurgery to access a lesion within a natural body cavity. The challenge has been to access and resect deep-seated intraparenchymal lesions using a minimally invasive endoscopic technique. Endoscopic endonasal trans-sphenoidal surgery has gained increasing acceptance by otolaryngologists and neurosurgeons. Surgical procedures of the skull base include exposure, resection, and base reconstruction. These approaches start at the sphenoid sinus, which provides a reference point to important vascular and neural structures...
May 14, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29765829/injury-of-the-carotid-artery-during-endoscopic-endonasal-surgery-surveys-of-skull-base-surgeons
#5
Nicholas R Rowan, Meghan T Turner, Benita Valappil, Juan C Fernandez-Miranda, Eric W Wang, Paul A Gardner, Carl H Snyderman
Objectives  This study aimed to review endoscopic skull base surgeon experience with internal carotid artery (ICA) injuries during endoscopic endonasal surgery (EES) to provide an estimate of the incidence of ICA injury, the associated factors and identify the best training modalities for the management of this complication. Design  Anonymous electronic survey of past participants at a well-established endoscopic skull base surgery course and a global online community of skull base surgeons. Main Outcome Measures  Relative incidence of ICA injuries during EES, associated anatomic and intraoperative factors, and surgeon experience...
June 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29765825/early-career-surgical-practice-for-cerebellopontine-angle-tumors-in-the-era-of-radiosurgery
#6
Giannantonio Spena, Tommaso Sorrentino, Roberto Altieri, Luca Redaelli de Zinis, Roberto Stefini, Pier Paolo Panciani, Marco Fontanella
We analyzed the outcomes of patients with large cerebellopontine angle (CPA) tumors treated by a skull-base team in which two surgeons (one neurosurgeon and one otological surgeon) were in the beginning of their careers (<40 years old). Data of patients operated on between April 2012 and March 2016 were reviewed. All factors related to surgical training were considered. Thirty-one patients had vestibular schwannomas, while 26 had meningiomas. Mean tumor diameter was 30.6 mm (range, 23-49 mm) for schwannomas and 35 mm (range, 22-51 mm) for meningiomas...
June 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29765823/the-natural-growth-rate-of-residual-juvenile-angiofibroma
#7
Nicholas R Rowan, Amanda L Stapleton, Molly E Heft-Neal, Paul A Gardner, Carl H Snyderman
Objectives  Examine the postoperative growth rate of residual juvenile angiofibroma (JA) in a large series of patients relative to pediatric growth parameters and other prognostic factors. Establish an algorithm for postoperative surveillance of patients with JA. Design  Retrospective case series. Setting  Tertiary referral academic center. Participants  Pediatric patients undergoing surgical resection of JA between September 2005 and June 2015. Main Outcome Measures  Postoperative recurrence and tumor growth rates...
June 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29765822/minimally-invasive-surgery-for-resection-of-parapharyngeal-space-tumors
#8
Irit Duek, Gill E Sviri, Salem Billan, Ziv Gil
Background  Surgical removal of parapharyngeal space tumors (PPST) poses challenges due to the complex anatomy of the region. PPSTs are routinely resected by a transcervical approach using blind finger dissection. Large PPSTs or those located high at the skull base, often require transmandibular or infratemporal fossa approaches, associated with considerable morbidity. Objective  Here, we describe an approach for PPST removal that comprises transcervical endoscopic, with or without transoral robotic technique...
June 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29765819/complications-in-salvage-surgery-for-nasal-and-paranasal-malignant-tumors-involving-the-skull-base
#9
Masanori Teshima, Hirotaka Shinomiya, Naoki Otsuki, Hidehito Kimura, Masaaki Taniguchi, Kazunobu Hashikawa, Eiji Kohmura, Ken-Ichi Nibu
Objective  Nasal and paranasal malignant tumors invading the skull base are rare and poorly studied. We evaluated postoperative complications in patients undergoing salvage surgery for such tumors. Design  Retrospective study. Setting  Kobe University Hospital. Participants  Among 48 patients who underwent surgery for tumors involving the skull base between 1993 and 2015, 21 patients had squamous cell carcinoma, 13 had olfactory neuroblastoma, 5 had adenocarcinoma, 2 had sarcoma, 2 had adenoid cystic carcinoma, and 1 each had malignant melanoma, poorly differentiated carcinoma, undifferentiated carcinoma, myoepithelial carcinoma, and malignant peripheral nerve sheath tumor...
June 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29764791/giant-cell-tumor-of-the-temporal-bone-and-skull-base-a-case-report
#10
İsa Kaya, Murat Benzer, Göksel Turhal, Gode Sercan, Cem Bilgen, Tayfun Kirazlı
Giant cell tumor (GCT) is a benign tumor that originates from undifferentiated mesenchymal cells of the bone marrow. The cranium as well as temporal bone is a rare location for GCTs. Despite its benign nature, GCT may be locally aggressive and has the potential to recur locally. Furthermore, GCT may give rise to pulmonary metastases (~1%) in addition to causing local bone destruction. Surgical excision is the treatment of choice for patients with GCT. We describe the case of a 56-year-old female who presented with headache and hearing loss with extensive GCT, which originated in the squamous part of the temporal bone and extended into the left mandibular fossa and middle ear...
April 2018: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29762329/a-case-of-juvenile-psammomatoid-ossifying-fibroma-on-skull-base
#11
Do-Youn Kim, Oh Hyeong Lee, Gyeong Cheol Choi, Jin Hee Cho
Juvenile psammomatoid ossifying fibroma (JPOF) is a rare tumor that occurs in maxillary sinus or orbit. Complete removal is required due to the aggressive and locally destructive nature. It is hard to distinguish from psammomatoid meningioma in cranial lesion and to remove completely. The authors are presenting a case of 26-year-old male with JPOF on skull base and report this case with review of literature.
May 14, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29756367/oral-cancer-involving-masticator-space-t4b-review-of-literature-and-future-directions
#12
REVIEW
Nirav P Trivedi
The oral cancer with masticator-space involvement is classified as T4b disease. The limited data suggest that the masticator space is a complex anatomic area and tumors with varying degrees of infiltration may have different oncologic outcomes. It is not advisable to group all T4b tumors as one and consider them for palliative-intent treatment. A group of patients with limited spread (infra-notch) has potential for good outcome. These cancers can be considered for downstaging to T4a classification based on best available data and clinical considerations...
May 13, 2018: Head & Neck
https://www.readbyqxmd.com/read/29753077/endoscopic-endonasal-reconstruction-of-anterior-skull-base-defects-what-factors-really-affect-the-outcomes
#13
Mario Turri-Zanoni, Jacopo Zocchi, Alessia Lambertoni, Marta Giovannardi, Apostolos Karligkiotis, Paolo Battaglia, Davide Locatelli, Paolo Castelnuovo
OBJECTIVES: Endoscopic endonasal surgery has evolved considerably over the last few decades, requiring comparable advances in reconstructive techniques. The objectives of this study were to retrospectively review the outcomes of endoscopic anterior skull base (ASB) reconstruction and to analyze factors that might be associated with failures. METHODS: Data from patients who underwent endoscopic endonasal ASB reconstruction in a single Institution between 1998 and 2017 were collected...
May 9, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29751190/preoperative-embolization-of-skull-base-meningiomas-outcomes-in-the-onyx-era
#14
Colin J Przybylowski, Jacob F Baranoski, Alfred P See, Bruno C Flores, Rami O Almefty, Dale Ding, Kristina M Chapple, Nader Sanai, Andrew F Ducruet, Felipe C Albuquerque
OBJECTIVE: Preoperative embolization may facilitate skull base meningioma resection, but its safety and efficacy in the Onyx era have not been investigated. In this retrospective cohort study, we evaluated the outcomes of preoperative embolization of skull base meningiomas using Onyx as the primary embolysate. METHODS: We queried an endovascular database for patients with skull base meningiomas who underwent preoperative embolization at our institution in 2007-2017...
May 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29749920/evolution-of-the-graded-repair-of-csf-leaks-and-skull-base-defects-in-endonasal-endoscopic-tumor-surgery-trends-in-repair-failure-and-meningitis-rates-in-509-patients
#15
Andrew Conger, Fan Zhao, Xiaowen Wang, Amalia Eisenberg, Chester Griffiths, Felice Esposito, Ricardo L Carrau, Garni Barkhoudarian, Daniel F Kelly
OBJECTIVE The authors previously described a graded approach to skull base repair following endonasal microscopic or endoscope-assisted tumor surgery. In this paper they review their experience with skull base reconstruction in the endoscopic era. METHODS A retrospective review of a single-institution endonasal endoscopic patient database (April 2010-April 2017) was undertaken. Intraoperative CSF leaks were graded based on size (grade 0 [no leak], 1, 2, or 3), and repair technique was documented across grades...
May 11, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29749910/a-novel-low-cost-reusable-high-fidelity-neurosurgical-training-simulator-for-cerebrovascular-bypass-surgery
#16
Ulas Cikla, Balkan Sahin, Sahin Hanalioglu, Azam S Ahmed, David Niemann, Mustafa K Baskaya
OBJECTIVE Cerebrovascular bypass surgery is a challenging yet important neurosurgical procedure that is performed to restore circulation in the treatment of carotid occlusive diseases, giant/complex aneurysms, and skull base tumors. It requires advanced microsurgical skills and dedicated training in microsurgical techniques. Most available training tools, however, either lack the realism of the actual bypass surgery (e.g., artificial vessel, chicken wing models) or require special facilities and regulations (e...
May 11, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29749569/postoperative-hypofractionated-stereotactic-brain-radiation-hsrt-for-resected-brain-metastases-improved-local-control-with-higher-bed-10
#17
Aryavarta M S Kumar, Jonathan Miller, Seth A Hoffer, David B Mansur, Michael Coffey, Simon S Lo, Andrew E Sloan, Mitchell Machtay
INTRODUCTION: HSRT directed to large surgical beds in patients with resected brain metastases improves local control while sparing patients the toxicity associated with whole brain radiation. We review our institutional series to determine factors predictive of local failure. METHODS: In a total of 39 consecutive patients with brain metastases treated from August 2011 to August 2016, 43 surgical beds were treated with HSRT in three or five fractions. All treatments were completed on a robotic radiosurgery platform using the 6D Skull tracking system...
May 10, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29747315/-value-of-pet-ct-in-the-prognosis-of-extranodal-nk-t-cell-lymphoma
#18
G H Dong, Y Li, H F Wan, C Y He, L Yang, J W Wang, L P Gong, Y H Zhao, Z F Gao, H G Liu
Objective: To explore the value of Positron-Emission Tomography/Computed Tomography (PET/CT) in the prognosis of extranodal NK/T cell lymphoma. Methods: The patients of NK/T cell lymphoma diagnosed from January 2007 to July 2016 in Department of Pathology of Beijing Tongren Hospital were enrolled in this study. Seventy-two in-hospital patients were examined on the invasion of adjecent tissue or organ by PET/CT. The PET/CT results were analyzed retrospectively. Kaplan-Meier method was used to analyze the prognostic value of the positive results by PET/CT on overall survival (OS)...
April 24, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29747250/-rare-primary-proximal-epithelioid-sarcoma-in-skull-base-clinical-analysis-of-four-cases
#19
Z J Duan, K Yao, Y M Qu, M Ren, Y L Zhang, X L Qi
Objective: To report the clinical and pathological features of primary proximal epithelioid sarcoma (PES) in skull base. Methods: The clinical and pathological features of four cases of PES in skull base from Sanbo Brain Institute of Capital Medical University and Kunming Sanbo Brain Institute were analysed retrospectively. Results: Three cases was female, and one male, the age ranged from 46 to 52 years.All cases occurred in skull base, and sellar region was the main site of involvement.Under the microscope, the tumor cells characterized by epithelioid cell changes, with or without rhabdoid tumor cells...
April 7, 2018: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29747249/-the-surgical-management-of-nasal-skull-base-schwannoma-under-endonasal-endoscope-a-retrospective-review-of-52-cases
#20
L Yang, W D Zhao, Q Liu, H K Zhang, D H Wang
Objective: To discuss the surgical technique and outcome of nasal skull base schwannoma treated under endonasal endoscope. Methods: Fifty-two patients with nasal skull base nonvestibular schwannoma were treated under endonasal endoscope from May 2006 to June 2017 in Shanghai E&ENT Hospital. Of the patients, there were 21 men and 31 women. The age of the patients ranged from 33 to 71 years.Schwannoma mainly came from trigeminal nerve.Clinical symptoms included facial numbness, facial pain, nasal obstruction, headache, hypopsia, diplopia and tinnitus...
April 7, 2018: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
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