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Infratemporal fossa

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https://www.readbyqxmd.com/read/29315193/the-application-of-sigmoid-sinus-tunnel-packing-or-push-packing-of-the-inferior-petrous-sinus-in-the-microsurgical-management-of-jugular-paragangliomas
#1
Mi Jang, Hongyan Liu, Chunfu Dai
OBJECTIVE: To analyze the outcomes of microsurgically treated jugular paragangliomas with control of bleeding from the inferior petrous sinus. STUDY DESIGN: Retrospective patient review. SETTING: A single university hospital. PATIENTS: Forty-three patients with jugular paragangliomas were diagnosed in the past 7 years in our clinic. MAIN OUTCOME MEASURES: Surgical tumor control, intraoperative blood loss, intraoperative management of the facial nerve, and the preoperative and postoperative function of the lower central nerves...
February 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29277589/transdural-propagation-of-glioblastoma-through-the-foramen-rotundum
#2
Seiichiro Imataka, Yukinori Akiyama, Rintaro Yokoyama, Nobuhiro Mikuni
BACKGROUND: Glioblastoma, also known as glioblastoma multiforme (GBM), is the most common primary malignant cerebral tumor in adults. Although GBM is one of the most aggressive tumors in the brain, propagation through the dura mater is very rare. CASE DESCRIPTION: A 59-year-old man presented with progressive headache and aphasia. Magnetic resonance (MR) imaging identified an abnormal mass extending transcranially through the widened foramen rotundum into the infratemporal fossa and cavernous sinus...
December 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29226051/cadaveric-study-for-intraoral-needle-access-to-the-infratemporal-fossa-application-to-posterior-superior-alveolar-nerve-block-technique
#3
Joe Iwanaga, Emily Simonds, Rod J Oskouian, R Shane Tubbs
The posterior superior alveolar (PSA) nerve block is, from an anatomical perspective, challenging because the mandibular ramus and the zygomatic process of the maxilla can interfere with the course of the needle. Dentists empirically know that shifting the patient's mandible to the ipsilateral side can improve visibility and accessibility for such blocks. This cadaveric study aimed to establish anatomical evidence for the ipsilateral mandible shifting used in the PSA. The distance between the lateral most bulging point of the alveolar part of the maxilla and ipsilateral anterior border of the ramus of the mandible ranged from 1...
October 9, 2017: Curēus
https://www.readbyqxmd.com/read/29181172/trigeminal-neurofibroma-in-the-infratemporal-fossa-arising-from-the-inferior-alveolar-nerve-a-case-report
#4
Takuro Inoue, Mostafa Elaskary, Ayako Shima, Hisao Hirai, Fumio Suzuki, Masayuki Matsuda
Solitary neurofibromas arising from cranial nerves are rare, and those arising from the peripheral divisions of the trigeminal nerve are even rarer. Although infratemporal fossa (ITF) masses are challenging to remove, certain approaches are considered feasible for this region. The present study reports a rare case of an ITF neurofibroma arising from the inferior alveolar nerve. The 27-year-old male patient presented with numbness of the right jaw. A radiological examination revealed a large mass occupying the ITF, from the mandible to the foramen ovale, originating from the inferior alveolar nerve in the mandible...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29166425/anatomy-of-the-sphenopalatine-artery-and-its-implications-for-transnasal-neurosurgery
#5
M Eordogh, A Grimm, I Gawish, L Patonay, R Reisch, H R Briner, G Baksa
BACKGROUND: The knowledge of sinonasal vasculature is inevitable in transnasal neurosurgery. We performed an anatomical study on the sphenopalatine artery from the perspective of skull base procedures. METHODOLOGY: To analyse the anatomical landmarks of the sphenopalatine artery, arterial skull corrosion casts (26 head halves) underwent endoscopic transnasal phantom surgery. Furthermore, we performed microsurgical dissection on formaldehyde-fixated cadavers with arterial perfusion (14 head halves) as well as studied Cone Beam CT-scans of anonymised patients and cadavers (115 head sides)...
November 22, 2017: Rhinology
https://www.readbyqxmd.com/read/29135804/surgical-management-of-tumors-involving-meckel-s-cave-and-cavernous-sinus-role-of-an-extended-middle-fossa-and-lateral-sphenoidectomy-approach
#6
Daniel Q Sun, Arnold H Menezes, Matthew A Howard, Bruce J Gantz, David M Hasan, Marlan R Hansen
OBJECTIVE: To study the indications and outcomes of lateral sphenoidectomy as part of a combined skull base approach in the treatment of tumors involving Meckel's cave (MC) and cavernous sinus (CS). STUDY DESIGN: Retrospective patient series. SETTING: Tertiary referral center. PATIENTS: Twenty-two consecutive patients (mean age: 45 yr, range: 16-76) who underwent transzygomatic, extended middle fossa approaches for tumors involving MC and CS...
November 13, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/29104153/anatomic-study-of-extracranial-needle-trajectory-using-hartel-technique-for-percutaneous-treatment-of-trigeminal-neuralgia
#7
Joe Iwanaga, Filippo Badaloni, Tyler Laws, Rod J Oskouian, R Shane Tubbs
OBJECTIVE: The aim of this study was to describe the anatomic trajectory of the extracranial needle for percutaneous rhizotomy and correlate this with structures at risk during such a procedure. METHODS: Six sides from 3 frozen fresh Caucasian heads were used in this study. Hartel anatomic landmarks for percutaneous trigeminal rhizotomy procedures were used. A free hand technique was then used, and intraprocedural visualization of the needle was performed with fluoroscopy...
November 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29053047/perineural-spread-of-basosquamous-carcinoma-to-the-orbit-cavernous-sinus-and-infratemporal-fossa
#8
Alec L Amram, William J Hertzing, Stacy V Smith, Patricia Chévez-Barrios, Andrew G Lee
Basosquamous carcinoma is a rare, highly aggressive variant of basal cell carcinoma with elevated rates of recurrence, perineural invasion, and metastasis. We describe a patient who presented with unilateral complete ophthalmoplegia, ptosis, optic neuropathy, and trigeminal neuropathy due to perineural intracranial invasion of nasal basosquamous carcinoma via the sphenopalatine fossa to the cavernous sinus, orbit, and infratemporal fossa. To our knowledge, this is the first reported case of basosquamous carcinoma with perineural invasion involving the cavernous sinus in the English language ophthalmic literature...
October 20, 2017: Orbit
https://www.readbyqxmd.com/read/29026931/imaging-patterns-of-rhino-orbital-cerebral-mucormycosis-in-immunocompromised-patients-when-to-suspect-complicated-mucormycosis
#9
Peter Raab, Ludwig Sedlacek, Stefanie Buchholz, Stefan Stolle, H Lanfermann
PURPOSE: The aim of this study was to describe radiological imaging findings of a complicated sinusitis, which should raise the suspicion of rhino-orbital-cerebral mucormycosis as being the underlying cause. METHODS: In this retrospective analysis, we describe the cases and imaging findings of 8 patients with proven mucormycosis. These patients presented mostly with new facial or orbital swelling and were referred for imaging to our institution. Magnetic resonance imaging and computed tomography images were classified as abnormal or normal with respect to orbital, paranasal and cerebral signal results...
December 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29025773/erdheim-chester-disease-atypical-presentation-of-a-rare-disease
#10
Cristian Ricardo Calandra, Ariel Bustos, Florencia Falcon, Naomi Arakaki
We report the clinical case of an adult patient referred to our hospital because of trismus due to a tumour in the right infratemporal and pterygomaxillary fossa. He referred hyporexia, weight loss and right trigeminal neuralgia. On physical examination, he had trismus and diplopia. On neuroimaging, the tumour invaded the central nervous system affecting the right temporal lobe and orbit, and the sellar region. Tumour biopsy revealed foamy histiocytes and isolated giant multinuclear cells immunoreactive to CD68 and negative to CD1a and S100...
October 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29022963/tuberculous-osteomyelitis-of-orbit-a-case-report
#11
Chandana Chakraborti, Krittika Pal Choudhury, Jayanta Das
BACKGROUND: Orbital tuberculosis is a rare manifestation of extrapulmonary tuberculosis. We report an interesting case of osteomyelitis of orbital bone in an Indian child. CASE REPORT: A 9- year old girl presented with a gradually increasing painless swelling of left upper lid and blepharoptosis along with swelling of left side of forehead for last two months. The swelling was soft, fluctuating and non-tender. Diagnostic tap revealed thick pus which prompted us to do an incisional drainage of the abscess...
January 2017: Nepalese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28990793/leiomyosarcoma-of-the-infratemporal-fossa-with-perineurial-spread-along-the-right-mandibular-nerve-a-case-report
#12
Frank J Barbiero, Anita J Huttner, Benjamin L Judson, Joachim M Baehring
Leiomyosarcomas are malignant tumors displaying strong smooth muscle differentiation [ 1 ]. They can often develop within the GI tract and myometrium, but are particularly rare in the head and neck [ 2 , 3 ]. Perineurial spread of head and neck cancer is observed in patients with neoplasms of the skin (squamous cell carcinoma, melanoma) or skin appendages (adenoid cystic carcinoma) [ 4-6 ]. We report the case of a woman who presented with diplopia and headaches. MRI showed an infratemporal mass lesion and faint enhancement tracking along the mandibular nerve into the wall of the right cavernous sinus...
October 9, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28989829/bony-hyperostosis-recurrence-after-complete-resection-of-sphenoorbital-meningioma
#13
Gmaan Alzhrani, William Couldwell
Bony hyperostosis is commonly associated with meningioma growth and is considered one of the characteristic signs on imaging; however, recurrence of meningiomas in the sphenoorbital area, including associated hyperostosis, is typically precluded by gross total resection of the lesion. This 63-year-old man presented with progressive double vision and proptosis in the right eye. He underwent frontotemporal craniotomy and partial removal after magnetic resonance imaging demonstrated a right sphenoorbital meningioma extending to the orbit and middle fossa...
August 4, 2017: Curēus
https://www.readbyqxmd.com/read/28984806/petrous-apex-cholesterol-granulomas-outcomes-complications-and-hearing-results-from-surgical-and-wait-and-scan-management
#14
Golda Grinblat, Ashish Vashishth, Francesco Galetti, Antonio Caruso, Mario Sanna
OBJECTIVE: 1. To analyze the surgical outcomes in the management of petrous apex cholesterol granulomas (PACG) with a brief literature review.2. To evaluate the importance of wait-and-scan management option. STUDY DESIGN: Retrospective review. SETTING: Quaternary referral center for otology and skull base surgery. SUBJECTS AND METHODS: Charts of 55 patients with at least 12 months of follow-up were analyzed for demographic, clinical, audiometric, and radiological features...
December 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28927217/surgical-technique-for-high-flow-internal-maxillary-artery-to-middle-cerebral-artery-bypass-using-a-superficial-temporal-artery-interposition-graft
#15
Xuequan Feng, Ali Tayebi Meybodi, Jordina Rincon-Torroella, Ivan H El-Sayed, Michael T Lawton, Arnau Benet
BACKGROUND: Extracranial-to-intracranial high-flow bypass often requires cranial, cervical, and graft site incisions. The internal maxillary artery (IMA) has been proposed as a donor to decrease invasiveness, but its length is insufficient for direct intracranial bypass. We report interposition of a superficial temporal artery (STA) graft for high-flow IMA to middle cerebral artery (MCA) bypass using a middle fossa approach. OBJECTIVE: To assess the feasibility of an IMA-STA graft-MCA bypass using a new middle fossa approach...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922880/a-side-door-to-meckel-s-cave-anatomic-feasibility-study-for-the-lateral-transorbital-approach
#16
Blake Harrison Priddy, Cristian Ferrareze Nunes, Andre Beer-Furlan, Ricardo Carrau, Iacopo Dallan, Daniel Monte-Serrat Prevedello
BACKGROUND: In the last decade, endoscopic skull base surgery has significantly developed and generated a plethora of techniques and approaches for access to the cranial ventral floor. However, the exploration for the least-aggressive, maximally efficient approach continues. OBJECTIVE: To describe in detail an anatomical study, along with the technical nuances of a novel endoscopic approach to Meckel's Cave (MC) using a lateral transorbital (LTO) route. METHODS: Eighteen orbits of injected cadaveric specimens were operated on, using an endoscopic LTO approach to MC, middle cranial fossa, and paramedian skull base preserving the orbital rim...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28888478/mandibular-coronoidectomy-could-significantly-accelerate-the-healing-process-of-infratemporal-fossa-abscess
#17
Yi-Wen Liu, Krishna Prasad Regmi, Ming-Chao Ding, Yan Li, Lei Tian, Bo-Lei Cai
PURPOSE: Management of an infratemporal fossa abscess (IFA), which is a specific form of severe and advanced deep fascial space infection (DFI), is based mainly on traditional methods. The purpose of this study was to investigate the role of mandibular coronoidectomy in accelerating IFA healing. PATIENTS AND METHODS: This research is a single-center retrospective study composed of 23 patients with IFA. The predictor variables were gender, age, diabetes, severity score, and mandibular coronoidectomy...
August 17, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28868610/examination-of-foramen-tympanicum-cone-beam-computed-tomograpyh-anatomical-study
#18
Yeşim Deniz, Gediz Geduk, Ayşe Zeynep Zengin
BACKGROUND: The foramen of tympanicum is an osseous dehiscence of the temporal bone and usually close by the age of 5 years. The foramen is located posteromedial to the temporomandibular joint and anteroinferior of the external auditory canal. The aim of this study is to define prevalence, location and size of the foramen. MATERIALS AND METHODS: We retrospectively examined 200 cone beam computed tomography images (400 ears). We used a CBCT dental imaging system (GALİLEOS, Sirona Dental Systems, Bensheim, Germany) working at 15-30 mA and 98 kV...
September 4, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28868197/combined-simultaneous-transcranial-and-endoscopic-endonasal-resection-of-sphenoorbital-meningioma-extending-into-the-sphenoid-sinus-pterygopalatine-fossa-and-infratemporal-fossa
#19
Masahide Matsuda, Hiroyoshi Akutsu, Shuho Tanaka, Akira Matsumura
BACKGROUND: Sphenoorbital meningiomas are surgically challenging because of their nature to extend to adjacent structures. Here, we describe a case of recurrent sphenoorbital meningioma extending into the sphenoid sinus, pterygopalatine fossa, and infratemporal fossa, which was resected using combined simultaneous transcranial and endoscopic endonasal approaches. CASE DESCRIPTION: A 62-year-old man who had 15 years earlier undergone partial resection of a left sphenoorbital meningioma presented with a 1-year history of progressive proptosis of the left eye...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28863880/plasma-cell-granuloma-of-the-jaw-and-the-infratemporal-fossa-a-clinical-case
#20
Amir Vahedi, Antoine Moya-Plana, Sylvie Guyot, Gaoussou Touré
Plasma cell granuloma or inflammatory pseudotumor (IPT) is diagnosed by a process of elimination. The precise etiology is unknown, although it can occur after a bout of periodontal infection. This report describes the various stages of progression for this ailment. A 49-year-old woman with no noteworthy medical history presented with a recurrent periodontal abscess accompanied by progressive and severe destruction of the right maxilla. There was invasion of the infratemporal fossa and very tight trismus. Histologic examination indicated a reactive plasma cell granuloma...
August 5, 2017: Journal of Oral and Maxillofacial Surgery
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