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Benign Skull Tumors

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Minimally Invasive Lateral Orbital Wall Approach for Sphenocavernous Meningioma Resection with Endoscope Assistance.

Ricky H Wong,

Sphenocavernous meningioma are technically challenging tumors that, in addition to cavernous sinus neurovascular involvement, frequently affect the optic nerve and carotid artery. The surgical goal generally consists of complete resection of the extracavernous portion of the tumor, while the cavernous sinus tumor can be treated with postoperative radiation if necessary. ... Read more >>

World Neurosurg (World neurosurgery)
[2020, :]

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Imaging of skull vault tumors in adults.

Albert Pons Escoda, Pablo Naval Baudin, Paloma Mora, Mònica Cos, Javier Hernandez Gañan, José A Narváez, Carles Aguilera, Carles Majós,

The skull vault, formed by the flat bones of the skull, has a limited spectrum of disease that lies between the fields of neuro- and musculoskeletal radiology. Its unique abnormalities, as well as other ubiquitous ones, present particular features in this location. Moreover, some benign entities in this region may ... Read more >>

Insights Imaging (Insights into imaging)
[2020, 11(1):23]

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Parapharyngeal schwannoma-a challenging case report.

Ângela Ferreira, Sílvia Dionísio, Eduardo Ventura, Rute Saleiro, Carlos Monteiro,

Parapharyngeal space primary neoplasias are infrequent findings in clinics, and schwannoma derived from a peripheral nerve is even rarer in this anatomic area [1]. The presented case is a patient who was referred to our department with a 3 months progressive soft palate enlargement without related symptoms. The challenge, in ... Read more >>

J Surg Case Rep (Journal of Surgical Case Reports)
[2020, 2020(3):rjaa048]

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Osteoblastoma in the occipital bone: A case report of a rare tumor in the calvarium.

Lukas M Trunz, Scott H Faro, Richard J Gorniak,

Osteoblastomas infrequently occur in the calvarium, displaying a preference for temporal and frontal bones when it does. We present an unusual case of a large, expansile osteoblastoma in the occipital bone of a 23-year-old man who presented with a nontender lump at the back of his head. Initial computed tomography ... Read more >>

Radiol Case Rep (Radiology case reports)
[2020, 15(5):610-614]

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Decompression of Cavernous Sinus for Trigeminal Neuropathic Pain From Perineural Spread of Tumor: 2-Dimensional Operative Video.

Thomas W Morris, Kelsey N Hundley, Kevin O Thomas, Elijah C Lockhart, Analiz Rodriguez, John D Day,

Head and neck malignancies with perineural spread are rare. Patients can present with neuropathic pain and cranial nerve palsies.1 Skull base approaches for surgical decompression are a consideration for patients to provide symptom relief.2 We demonstrate a frontotemporal extradural approach for a patient with worsening visual symptoms and refractory neuropathic ... Read more >>

Oper Neurosurg (Hagerstown) (Operative neurosurgery (Hagerstown, Md.))
[2020, :]

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Automatic segmentation of brain tumors in magnetic resonance imaging.

Layse Ribeiro Mascarenhas, Audenor Dos Santos Ribeiro Júnior, Rodrigo Pereira Ramos,

OBJECTIVE:To develop a computational algorithm applied to magnetic resonance imaging for automatic segmentation of brain tumors. METHODS:A total of 130 magnetic resonance images were used in the T1c, T2 and FSPRG T1C sequences and in the axial, sagittal and coronal planes of patients with brain cancer. The algorithms employed contrast ... Read more >>

Einstein (Sao Paulo) (Einstein)
[2020, 18:eAO4948]

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Best Practice in Surgical Treatment of Malignant Head and Neck Tumors.

Christian Simon, Piero Nicolai, Alberto Paderno, Andreas Dietz,

Purpose of review: Defining the best practice of surgical care for patients affected by malignant head and neck tumors is of great importance. In this review we aim to describe the evolution of "best practice" guidelines in the context of quality-of-care measures and discuss current evidence on "best practice" for ... Read more >>

Front Oncol (Frontiers in Oncology)
[2020, 10:140]

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Incidental 18F-Fluciclovine Uptake in a Warthin Tumor of the Parotid Gland in a Patient Undergoing PET/CT Imaging for Biochemical Recurrent Prostate Cancer.

Ryan Bitar, Lucia Martiniova, Diana Bell, Gregory Ravizzini,

A 67-year-old asymptomatic man with biochemical recurrent prostate cancer underwent F-fluciclovine PET/CT for restaging to determine subsequent treatment strategy. PET/CT images were obtained from the proximal thighs to the vertex of the skull, after the intravenous administration of 362.6 MBq (9.8 mCi) of F-fluciclovine. PET/CT imaging demonstrated a focus of ... Read more >>

Clin Nucl Med (Clinical nuclear medicine)
[2020, 45(4):e208-e210]

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Surgical nuances of the expanded endoscopic anterior skull base craniectomy for hyperostotic meningioma resection.

Giuliano Silveira-Bertazzo, Sunil Manjila, Nyall R London, Daniel M Prevedello,

BACKGROUND:The rostral expanded endoscopic approach (EEA) to anterior cranial fossa (ACF) has several advantages over transcranial/craniofacial surgery, providing early access to the vascular supply of tumors and reducing morbidities of craniotomy especially that of brain retraction. This article presents endoscopic landmarks and nuances for a wide ACF corridor, with stepwise ... Read more >>

Acta Neurochir (Wien) (Acta neurochirurgica)
[2020, :]

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Perivascular epithelioid cell tumor (PEComa) of the pterygopalatine fossa.

Michael I Dougherty, Spencer C Payne, Akriti Gupta, Jose L Mattos,

Perivascular epithelioid cell tumors (PEComas) are a rare group of mesenchymal tumors associated with tuberous sclerosis. These tumors are typically treated with resection and rarely recur or exhibit malignant behavior. A 78-year-old woman presented with an incidentally discovered pterygopalatine fossa/retroantral mass. Excisional biopsy was performed and revealed pathology consistent with ... Read more >>

Clin Case Rep (Clinical Case Reports)
[2020, 8(3):553-558]

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Temporal bone resection for lateral skull-base malignancies.

Gautam U Mehta, Thomas J Muelleman, Derald E Brackmann, Paul W Gidley,

INTRODUCTION:Malignancies involving the temporal bone are increasingly common and require specialized multi-disciplinary care. Given this complex location, involvement of the lateral skull base and local neurovascular structures is common. In this review we discuss general principles for temporal bone resection, as well as alternative and complementary surgical approaches that should ... Read more >>

J. Neurooncol. (Journal of neuro-oncology)
[2020, :]

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Chordoma with lung metastases at initial presentation of a pediatric patient.

Samiat Agunbiade, Ayman Nada, Sudhir Bhimaniya, Matthew T Whitehead, Eman S Mahdi,

Chordomas are rare, slow growing malignant tumors derived from notochord remnants that can arise anywhere along the neuronal axis. Chordomas are particularly rare in patients under 20 years of age and tend to be intracranial in location, as opposed to sacrococcygeal in adults. Metastasis at initial presentation is uncommon in ... Read more >>

Radiol Case Rep (Radiology Case Reports)
[2020, 15(4):382-386]

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[Application of endoscopic resection of benign tumor in infratemporal fossa].

L G Yu, L Wang, L J Zhao, S N Zhang, M Chen, L Cai, N Li, Y Jiang,

Objective: To explore the application of endoscopy and clinical effect of endoscopic resection of benign tumor in infratemporal fossa. Methods: The clinical data of 11 patients with benign tumors in infratemporal fossa admitted to the Department of Otorhinolaryngology Head and Neck Surgery and Skull Base Surgery of the Affiliated Hospital ... Read more >>

Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi (Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery)
[2020, 55(2):87-93]

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Incidence, risk factors, and outcomes of endoscopic sinus surgery after endoscopic skull-base surgery.

Ravi R Shah, Ivy W Maina, Neil N Patel, Vasiliki Triantafillou, Alan D Workman, Edward C Kuan, Charles C L Tong, Michael A Kohanski, Bert W O'Malley, Nithin D Adappa, James N Palmer,

BACKGROUND:Patients undergoing endoscopic resection of neoplasms with both sinonasal and skull base involvement can develop chronic rhinosinusitis (CRS) after treatment and may occasionally benefit from additional endoscopic sinus surgery (ESS). We investigate risk factors and outcomes associated with revision ESS (rESS) after endoscopic skull-base surgery (SBS) for neoplasms with combined ... Read more >>

Int Forum Allergy Rhinol (International forum of allergy & rhinology)
[2020, :]

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Reconstruction after open surgery for skull-base malignancies.

Matthew M Hanasono,

PURPOSE:Resection of skull base malignancies that would have been associated with unacceptable morbidity and mortality in the past are now performed with reliable results due in large part to advancements in reconstructive surgery. The goal of this review is to describe the best evidence-based methods of reconstruction following open surgery ... Read more >>

J. Neurooncol. (Journal of neuro-oncology)
[2020, :]

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Benign leiomyoma with multiple metastases to vertebrae and calvarium: An index case with comprehensive review of endocrine targets.

İlhan Elmaci, Meric A Altinoz, Burcu Eylem Kahraman Ozlu, Ramazan Sari, Ozlem Er, Ayca Ersen Danyeli, Ercan Karaarslan,

"Benign" metastatic leiomyomas (BML) are indolently growing metastatic tumors which mostly associate with uterine leiomyomas in women in reproductive ages. The reason to define these lesions as "benign" despite metastasis is their pathological features with low mitotic counts, lack of or minimal nuclear atypia, pseudocyst formation, and coagulative necrosis unlike ... Read more >>

Neurosurg Rev (Neurosurgical review)
[2020, :]

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Retrosigmoid Transtentorial Resection of a Petroclival Meningioma: 2-Dimensional Operative Video.

Pinar Eser Ocak, Selcuk Yilmazlar,

In this video, we aimed to demonstrate retrosigmoid-transtentorial resection of a 4.5 × 4 × 4.5 cm3 left-sided petroclival meningioma compressing the brainstem in a 62-yr-old male who presented with decreased hearing on the left and imbalance.  The patient was placed in park-bench position and a left-sided suboccipital craniotomy was performed. The mass was ... Read more >>

Oper Neurosurg (Hagerstown) (Operative neurosurgery (Hagerstown, Md.))
[2020, 18(3):E80]

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Inverted papilloma is associated with greater radiographic inflammatory disease than other sinonasal malignancy.

Peter Papagiannopoulos, Ching Lick Tong, Edward C Kuan, Bobby A Tajudeen, Christina M Yver, Michael A Kohanski, Noam A Cohen, David W Kennedy, James N Palmer, Nithin D Adappa,

BACKGROUND:The pathogenesis of inverted papilloma (IP) has not been fully elucidated. However, chronic paranasal sinus inflammation has been anecdotally observed in sites distant from tumor obstruction in IP patients, suggesting an association between inflammation and IP tumorigenesis. This study assesses the association between sinonasal inflammation found in IP and compares ... Read more >>

Int Forum Allergy Rhinol (International forum of allergy & rhinology)
[2020, :]

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Parasellar meningioma presenting by stroke and bilateral occlusion of the internal carotid arteries: A case report.

Sherifa A Hamed,

Cerebrovascular stroke caused by skull base meningioma has been rarely reported. A 30-year-old male presented (April 2015) with acute right-sided hemiplegia. His brain neuroimaging (computerized tomography and magnetic resonance imaging) showed left ischemic infarction in the territory of middle cerebral artery. Magnetic resonance imaging also showed a right parasellar solid ... Read more >>

SAGE Open Med Case Rep (SAGE Open Medical Case Reports)
[2020, 8:2050313X20902337]

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Malignant perivascular epithelioid cell tumor mimicking jugular foramen schwannoma: A case report and literature review.

Noritaka Komune, Shogo Masuda, Ryuji Yasumatsu, Takahiro Hongo, Rina Jiromaru, Satoshi Matsuo, Osamu Akiyama, Nana Tsuchihashi, Nozomu Matsumoto, Hidetaka Yamamoto, Takashi Nakagawa,

Background:Perivascular epithelioid cell tumors (PEComas) of the skull base are extremely rare. Here we report the first description of a malignant PEComa mimicking jugular foramen schwannoma and presenting as Collet-Sicard syndrome, and we review the previous literature on PEComas of the head, neck and skull base. Case description:A 29-year-old woman ... Read more >>

Heliyon (Heliyon)
[2020, 6(1):e03200]

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Far Lateral Approach for Resection of a Foramen Magnum Meningioma: 3-Dimensional Surgical Video.

Alvaro Campero, Juan Emmerich, Javier Marquez Rivas,

We present the case of a meningioma of the foramen magnum, in a patient of age 62 yr, who presented at the time of surgery a hemiparesis on the right side at 2 mo of evolution. The patient gave his informed consent for the publication of the case, and approval ... Read more >>

Oper Neurosurg (Hagerstown) (Operative neurosurgery (Hagerstown, Md.))
[2020, 18(3):E81]

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von Hippel-Lindau Syndrome: Genetic Study of Case With a Rare Pathogenic Variant With Optic Nerve Hemangioblastoma, a Rare Phenotypic Expression.

Sandra Di Felice Boratto, Pedro Augusto Soffner Cardoso, Denise Gonçalves Priolli, Ricardo Vieira Botelho, Alberto Goldenberg, Bianca Bianco, Jaques Waisberg,

von Hippel-Lindau syndrome (VHLS) is a rare, autosomal dominant genetic disease with high penetrance and variable phenotypic expression caused by variants in the VHL gene. VHLS is associated with the presence of vascular tumors, often hemangioblastoma of the central nervous system, retina, or spinal cord and, less frequently, pancreatic cystic ... Read more >>

Front Oncol (Frontiers in oncology)
[2020, 10:139]

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Molecular characteristics of meningiomas.

Young Suk Lee, Youn Soo Lee,

Meningioma is the most common primary intracranial tumor in adults. The grading of meningioma is based on World Health Organization criteria, which rely on histopathological features alone. This grading system is unable to conclusively predict the clinical behavior of these tumors (i.e., recurrence or prognosis in benign or atypical grades). ... Read more >>

J Pathol Transl Med (Journal of pathology and translational medicine)
[2020, 54(1):45-63]

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Endoscopic endonasal removal of a large fibrous dysplasia of the paranasal sinuses and skull base.

Ali A AlMomen, Fadel M Molani, Moath A AlFaleh, Ahmed K AlMohisin,

Fibrous dysplasia is a rare condition. We present a case of a 34-years-old man presented with left-sided facial pain, headache and nasal obstruction for a long duration. CT scan of the sinuses showed a mass occupying the left ethmoidal region abutting the orbit and skull base obstructing the left frontal ... Read more >>

J Surg Case Rep (Journal of surgical case reports)
[2020, 2020(1):rjz404]

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Chondromyxoid fibroma of the temporal bone: A rare case report.

Tao Liu, Jing Yao, Xiaoyu Li, Xinmeng Qi, Pengyun Zhao, Zhiqiao Tan, Jie Wang, Yongxin Li,

RATIONALE:Chondromyxoid fibroma (CMF) is a rare form of benign bone tumor and easily misdiagnosed as fibrosarcoma. Hence, to explore the clinical manifestations, diagnostic tests, and therapeutic procedures for temporal bone cartilage myxoid fibroma, it is important to optimize patient treatment and avoid overtreatment. Previous research has discussed cases of CMF, ... Read more >>

Medicine (Baltimore) (Medicine)
[2020, 99(11):e19487]

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