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Cavernous sinus

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https://www.readbyqxmd.com/read/28538574/sparing-a-craniotomy-the-role-of-intraoperative-methylene-blue-in-management-of-midline-dermoid-cysts
#1
Alannah L Phelan, Christine M Jones, Ashley S Ceschini, Cathy R Henry, Donald R Mackay, Thomas D Samson
BACKGROUND: Midline nasal dermoid cysts are rare congenital anomalies that extend intracranially in approximately 10 percent of cases. Cysts with intracranial extension require a craniotomy to avoid long-term complications, including meningitis, abscesses, and cavernous sinus thrombosis. Current guidelines recommend preoperative imaging with either magnetic resonance imaging or computed tomography to determine appropriate management. METHODS: Patients who underwent excision of a midline nasal dermoid cyst between January 1995 and September 2016 were identified using Current Procedural Terminology codes...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28535728/a-review-of-eight-cases-of-cavernous-sinus-thrombosis-secondary-to-sphenoid-sinusitis-including-a12-year-old-girl-at-the-present-department
#2
Yun-Hu Wang, Po-Yen Chen, Pei-Ju Ting, Fang-Liang Huang
Cavernous sinus thrombosis (CST) is a severe disease which can result from infection of any of the tissues drained by the cavernous sinus. We here review eight cases, including a 12-year-old girl, all secondary to sphenoid sinusitis. The clinical manifestations, laboratory data, imaging findings, pathogens, medications, surgical treatment and clinical outcomes were analyzed. All eight patients had headache and five of them fever. All cases were associated with one or more ophthalmic symptoms. In four cases, computed tomography/magnetic resonance imaging showed isolated sphenoid sinusitis...
May 23, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28535658/-value-of-the-endoscopic-diagnosis-on-the-lesions-of-the-skull-base-in-postradiotherapeutic-patients-with-nasopharyngeal-carcinoma
#3
J Y Lyu, F Y Liang, P Han, X M Huang
Objective: To evaluate the diagnostic value of the endoscopic biopsy operation to the lesions of the skull base in the patients with nasopharyngealcarcinoma after radiotherapy. Methods: From February 2006 to February 2010, 84 patients with nasopharyngeal carcinoma suffered from the lesions of the skull base after radiotherapy were included in this study. The relationship between the pathologic results of endoscopic biopsies from the skull base and the imaging results by Magnetic Resonance Imaging(MRI) was compared and discussed...
May 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28531285/paratrigeminal-paraclival-precavernous-or-all-of-the-above-a-circumferential-anatomical-study-of-the-c3-c4-transitional-segment-of-the-internal-carotid-artery
#4
Eleonora Marcati, Norberto Andaluz, Sebastien C Froelich, Lee A Zimmer, James L Leach, Juan Carlos Fernandez-Miranda, Almaz Kurbanov, Jeffrey T Keller
BACKGROUND: Although the term paraclival carotid pervades recent skull base literature, no clear consensus exists regarding boundaries or anatomical segments. OBJECTIVE: To reconcile various internal carotid artery (ICA) nomenclatures for transcranial and endoscopic-endonasal perspectives, we reexamined the transition between lacerum (C3) and cavernous (C4) segments using a C1-C7 segments schema. In this cadaveric study, we obtained a 360°-circumferential view integrating histological, microsurgical, endoscopic, and neuroradiological analyses of this C3-C4 region and identified a distinct transitional segment...
May 21, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28530316/-radiosurgery-for-pituitary-adenomas
#5
REVIEW
Or Cohen-Inbar
Pituitary adenomas represent one of the most common types of intracranial tumors, accounting for 10-20% of intracranial tumors. While their macroscopic appearance and anatomical location are relatively homogeneous, pituitary tumors differ widely, generating a variety of neurological and endocrine clinical sequelae. Treatment options include hormone suppressive medical therapy, microscopic or endoscopic neurosurgical resection, radiosurgery, radiation therapy, or observation depending on the biochemical profile and the clinical status of the patient...
January 2017: Harefuah
https://www.readbyqxmd.com/read/28516392/cavernous-sinus-thrombosis-in-a-patient-with-nephrotic-syndrome
#6
David Navarro, Ana Carina Ferreira, Helena Viana, Fernanda Carvalho, Fernando Nolasco
No abstract text is available yet for this article.
May 17, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28515583/cavernous-sinus-melanoma-a-rare-tumor
#7
Shaileshkumar Garge, Sunithi Mani, Alfred Inbaraj, Vedantam Rajshekhar, Priyanka Mohapatra
Primay melanoma of the cavernous sinus is very rare with only few cases reported in the literature. We present the cross-sectional imaging findings of this rare tumor. The differential diagnosis for cavernous sinus mass lesion is wide as it contains vital neurovascular structures that may be affected by vascular, neoplastic, infective, and infiltrative lesions arising in the cavernous sinus proper or via extension from adjacent intra and/or extracranial regions. Radiologic imaging can narrow the differential diagnosis, however, imaging cannot definitely reach single diagnosis if they present in atypical form with hemorrage and cystic degeneration...
January 2017: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28514500/histology-of-the-distal-dural-ring
#8
Christopher S Graffeo, Avital Perry, William R Copeland, Aditya Raghunathan, Michael J Link
BACKGROUND: The distal dural ring (DDR) is a conserved intracranial anatomic structure marking the boundary point at which the internal carotid artery (ICA) exits the cavernous sinus (CS) and enters the subarachnoid space. Although the CS has been well described in a range of anatomic studies, to our knowledge no prior study has analyzed the histologic relationship between the ICA and DDR. Correspondingly, our objective was to assess the relationship of the DDR to the ICA and determine whether the DDR can be dissected from the ICA and thus divided, or can only be circumferentially trimmed around the artery...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28512503/massive-oculomotor-nerve-enlargement-a-case-of-presumed-schwannomatosis
#9
Laura Donaldson, Ryan Rebello, Amadeo Rodriguez
A 45-year-old man presented with a slowly progressive pupil-involving third nerve palsy. Magnetic resonance imaging (MRI) revealed a tubular lesion extending from the interpeduncular cistern through the cavernous sinus and into the left orbit where it branched into a superior and an inferior division, clearly outlining the anatomy of the third cranial nerve. Multiple other, less pronounced, enlarged cranial nerves were noted. The differential diagnosis included chronic inflammatory demyelinating polyneuropathy (CIDP), hereditary motor and sensory neuropathy (HMSN), neurofibromatosis (NF), and schwannomatosis...
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28505279/somatic-usp8-gene-mutations-are-a-common-cause-of-pediatric-cushing-disease
#10
Fabio R Faucz, Amit Tirosh, Christina Tatsi, Annabel Berthon, Laura C Hernández-Ramírez, Nikolaos Settas, Anna Angelousi, Ricardo Correa, Georgios Z Papadakis, Prashant Chittiboina, Martha Quezado, Nathan Pankratz, John Lane, Aggeliki Dimopoulos, James L Mills, Maya Lodish, Constantine A Stratakis
Context: Somatic mutations in the ubiquitin-specific protease 8 (USP8) gene have been recently identified as the most common genetic alteration in patients with Cushing disease (CD). However, the frequency of these mutations in the pediatric population has not been extensively assessed. Objective: We investigated the status of the USP8 gene at the somatic level in a cohort of pediatric patients with corticotroph adenomas. Design and Methods: The USP8 gene was fully sequenced in both germline and tumor DNA samples from 42 pediatric CD patients...
May 12, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28480103/cavernous-sinus-syndrome-as-the-first-manifestation-of-metastatic-breast-disease
#11
N B Seixas, T A B Belsuzarri, N C B Belsuzarri, M Pozetti, J F M Araujo
BACKGROUND: The cavernous sinus is a venous plexus crossed by vital neurovascular structures. Metastases to the region are uncommon and often associated with a headache, facial pain, or progressive neurological deficit in III, IV, and VI cranial nerves. The treatment options are surgery, including endoscopic approach, radiotherapy, radiosurgery, and chemotherapy. CASE DESCRIPTION: We report the case of a 26-year-old female with cavernous sinus syndrome due to breast cancer metastasis, who was subjected to chemotherapy with complete neurological recovery...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28479824/dynamic-contrast-enhanced-magnetic-resonance-imaging-in-diagnosis-of-cavernous-hemangioma-of-cavernous-sinus
#12
Suprava Naik, Rajendra V Phadke, Arpit Taunk, Vivek Singh, Sanjeev Kumar Bhoi
No abstract text is available yet for this article.
April 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28474478/incomplete-cavernous-sinus-syndrome-as-the-initial-manifestation-of-a-previously-undetected-metastatic-prostate-adenocarcinoma
#13
María Machío Castelló, Diego Escobar Montatixe, Carlos Cenjor Español, José Miguel Villacampa Aubá, Julia Montoya Bordón, Rafael Carias Calix, Rafael Sáez Pinel
BACKGROUND: Cavernous sinus syndrome presents as unilateral ophthalmoplegia associated with sympathetic denervation, pain, paresthesias, and V1 and V2 distribution numbness. The etiology may be vascular, inflammatory, infectious, and, less commonly, neoplastic (metastatic). METHODS: We report a patient with incomplete cavernous sinus syndrome as the initial manifestation of previously undetected metastatic prostate adenocarcinoma. RESULTS: A 59-year-old man presented with a 2-month history of left hemicranial headaches with ptosis and binocular diplopia...
May 5, 2017: Head & Neck
https://www.readbyqxmd.com/read/28474186/sphenoorbital-meningioma-surgical-series-and-design-of-an-intraoperative-management-algorithm
#14
Lior Gonen, Eytan Nov, Nir Shimony, Ben Shofty, Nevo Margalit
Current surgical removal of sphenoorbital meningiomas (SOM) mainly aims at reduction of proptosis and restoration of visual function; some stages of the surgical technique are controversial. In this study, we aim to present a surgical decision-making algorithm for SOM. A retrospective study of 27 patients who underwent resection of SOM in our center (2005-2014) was conducted. The primary outcomes evaluated were postoperative visual function and radiological exophthalmos. In our study, clinical proptosis was the most common presenting sign (92%), followed by visual loss (37%)...
May 4, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28465275/factors-associated-with-abducens-nerve-recovery-in-patients-undergoing-surgical-resection-of-sixth-nerve-schwannoma-a-systematic-review-and-case-illustration
#15
REVIEW
Hai Sun, Kanika Sharma, Piyush Kalakoti, Jai Deep Thakur, Devi Prasad Patra, Subhas Konar, Tanmoy Maiti, Hesam Akbarian-Tefaghi, Papireddy Bollam, Christina Notarianni, Anil Nanda
BACKGROUND: Limited or no literature exists identifying factors associated with functional nerve recovery in patients undergoing resection of sixth nerve (CN VI) schwannomas. METHODS: A systematic review of literature was performed on CN VI schwannomas that were treated surgically. Synthesizing the findings pooled from the literature, we investigated associations of patient demographics and clinical characteristics with post-surgical CN VI functional recovery in multivariable regression models...
April 29, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28465267/outcome-of-endoscopic-transsphenoidal-surgery-for-acromegaly
#16
Jung Hee Kim, Kyu Yeon Hur, Jung Hyun Lee, Ji Hyun Lee, Young-Bem Se, Hey In Kim, Seung Hoon Lee, Do-Hyun Nam, Seong Yeon Kim, Kwang-Won Kim, Doo-Sik Kong, Yong Hwy Kim
OBJECTIVE: Endoscopic transsphenoidal surgery has recently been introduced in pituitary surgery. We investigated outcomes and complications of endoscopic surgery in two referral centers in Korea. METHODS: We enrolled 134 patients with acromegaly (microadenomas, n=15; macroadenomas, n=119) who underwent endoscopic transsphenoidal surgery at Seoul National University Hospital (n=74) and Samsung Medical center (n=60) between Jan 2009 and Mar 2016. Remission was defined as having a normal IGF-1 and a suppressed GH less than 1 ng/mL during an oral glucose tolerance test...
April 29, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28465265/stereotactic-radiosurgery-for-dural-carotid-cavernous-sinus-fistulas
#17
Seong-Hyun Park, Ki-Su Park, Dong-Hun Kang, Jeong-Hyun Hwang, Sung-Kyoo Hwang
OBJECTIVE: We reviewed our 7-year experience to assess the efficacy of stereotactic radiosurgery (SRS) for dural carotid cavernous fistulas (DCCFs). We analyzed the clinical outcome, complications and angiographic results. METHODS: We performed a retrospective analysis of 18 consecutive patients with DCCF treated by SRS alone using Gamma Knife between 2009 and 2015. Median target volume was 2.6 cm(3) (range, 0.6-11.6 cm(3)) and median radiation dose to the target was 17 Gy (range, 14-19 Gy)...
April 29, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28458950/carotid-cavernous-fistula-after-percutaneous-balloon-compression-for-trigeminal-neuralgia-endovascular-treatment-with-coils
#18
Luana A M Gatto, Rafaella Tacla, Gelson L Koppe, Zeferino Demartini Junior
BACKGROUND: Percutaneous ganglyolysis treatment of trigeminal neuralgia is rarely associated with vascular complications, such as hematoma, subarachnoid hemorrhage, and stroke. Internal carotid artery injury may also occur after misguided needle placement, particularly far posteriorly or medially, resulting in carotid cavernous fistula. Anatomical variations of the foramen ovale can predispose those complications. CASE DESCRIPTION: A young woman diagnosed with trigeminal neuralgia during 11 years was submitted to a balloon rhizotomy by percutaneous approach to the trigeminal ganglion, with severe intraoperative bleeding...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28457040/tolosa-hunt-syndrome-and-ocular-myasthenia-a-rare-coexistence-or-real-association
#19
Jaydeep Majumdar, Sarmishtha Mukhopadhyay, Abhijeet Sharan, Sarbani Sengupta, Bhaskar Ghosh
Tolosa- Hunt syndrome is a rare steroid responsive disorder caused by granulation tissue involving the cavernous sinus or superior orbital fissure presenting as painful ophthalmoplegia and facial pain. In this report, we describe coexistence of Tolosa-Hunt syndrome with ocular myasthenia which may point towards an autoimmune etiological basis behind the cavernous sinus granulation tissue formation and also offered therapeutic challenge to ameliorate the symptoms.
February 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28450229/endoscopic-endonasal-surgery-for-tumors-of-the-cavernous-sinus-a-series-of-234-patients
#20
Maria Koutourousiou, Francisco Vaz Guimaraes Filho, Juan C Fernandez-Miranda, Eric W Wang, S Tonya Stefko, Carl H Snyderman, Paul A Gardner
BACKGROUND: Cavernous sinus (CS) tumors are often considered inoperable. We present our experience with endoscopic endonasal surgery (EES) and compare the outcomes for different tumor. METHODS: EES (medial or lateral approach) was used in 234 patients with CS tumors. The cohort included 175 (75%) pituitary adenomas and 59 (25%) non-adenomatous lesions. RESULTS: Presenting symptoms were significantly different between the two groups, with cranial neuropathies occurring mainly in non-adenomas (p<...
April 24, 2017: World Neurosurgery
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