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https://www.readbyqxmd.com/read/27562683/unilateral-endonasal-transcribriform-approach-with-septal-transposition-for-olfactory-groove-meningioma-can-olfaction-be-preserved
#1
A Samy Youssef, Raghuram Sampath, Jacob L Freeman, Jameson K Mattingly, Vijay R Ramakrishnan
BACKGROUND: Loss of olfaction has been considered inevitable in endoscopic endonasal resection of olfactory groove meningiomas. Olfaction preservation may be feasible through an endonasal unilateral transcribriform approach, with the option for expansion using septal transposition and contralateral preservation of the olfactory apparatus. METHODS: An expanded unilateral endonasal transcribriform approach with septal transposition was performed in five cadaver heads...
October 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/26555506/frontobasal-midline-meningiomas-is-it-right-to-shed-doubt-on-the-transcranial-approaches-updates-and-review-of-the-literature
#2
REVIEW
Andrea Gennaro Ruggeri, Martina Cappelletti, Benedetta Fazzolari, Nicola Marotta, Roberto Delfini
BACKGROUND: Traditionally, the surgical removal of tuberculum sellae meningioma (TSM) and olfactory groove meningioma (OGM) requires transcranial approaches and microsurgical techniques, but in the last decade endoscopic expanded endonasal approaches have been introduced: transcribriform for OGMs and transtuberculum-transplanum for TSM. A comparative analysis of the literature concerning the two types of surgical treatment of OGMs and TSM is, however, difficult. METHODS: We conducted a literature search using the PubMed database to compare data for endoscopic and microsurgical techniques in the literature...
April 2016: World Neurosurgery
https://www.readbyqxmd.com/read/26341446/draf-iii-extension-in-the-endoscopic-endonasal-transethmoidal-transcribriform-approach-through-the-back-wall-of-the-frontal-sinus-a-cadaveric-study
#3
Osaama H Khan, Roheen Raithatha, Paolo Castelnuovo, Vijay K Anand, Theodore H Schwartz
BACKGROUND: The Draf III (modified endoscopic Lothrop) procedure has been proposed to extend the endonasal transethmoidal, transfovea ethmoidalis, and transcribriform approach through the back wall of the frontal sinus. The exposure is time-consuming and increases the risk of cerebrospinal fluid leak, and the indications for use are not well described. There are few data quantifying the advantage it conveys over the approach without the Draf III procedure. METHODS: An endoscopic, endonasal transfovea, transcribriform approach was performed in 5 fresh, injected cadaveric heads...
January 2016: World Neurosurgery
https://www.readbyqxmd.com/read/26018973/expanded-endoscopic-endonasal-transcribriform-approach-for-resection-of-anterior-skull-base-olfactory-schwannoma
#4
James K Liu, Jean Anderson Eloy
Anterior skull base (ASB) schwannomas are extremely rare and can often mimic other pathologies involving the ASB such as olfactory groove meningiomas, hemangiopericytomas, esthesioneuroblastomas, and other malignant ASB tumors. The mainstay of treatment for these lesions is gross-total resection. Traditionally, resection for tumors in this location is performed through a bifrontal transbasal approach that can involve some degree of brain retraction or manipulation for tumor exposure. With the recent advances in endoscopic skull base surgery, various ASB tumors can be resected successfully using an expanded endoscopic endonasal transcribriform approach through a "keyhole craniectomy" in the ventral skull base...
January 2012: Neurosurgical Focus
https://www.readbyqxmd.com/read/25083376/preservation-of-olfaction-after-unilateral-endoscopic-approach-for-resection-of-esthesioneuroblastoma
#5
Aaron Wessell, Ameet Singh, Zachary Litvack
Objectives We present a case of olfactory preservation after a unilateral transcribriform transethmoidal endoscopic resection of esthesioneuroblastoma. We also discuss the oncologic results of endoscopic and transcranial approaches and describe the potential benefits and limitations of an endoscopic approach. Setting Single academic medical center. Participant and Design The clinical course of a 28-year-old patient who underwent endoscopic en bloc resection of esthesioneuroblastoma through a unilateral transcribriform transethmoidal approach was reviewed...
August 2014: Journal of Neurological Surgery Reports
https://www.readbyqxmd.com/read/24995788/pneumocephalus-patterns-following-endonasal-endoscopic-skull-base-surgery-as-predictors-of-postoperative-csf-leaks
#6
Matei A Banu, Oszkar Szentirmai, Lino Mascarenhas, Al Amin Salek, Vijay K Anand, Theodore H Schwartz
OBJECTIVES: Postoperative pneumocephalus is a common occurrence after endoscopic endonasal skull base surgery (ESBS). The risk of cerebrospinal fluid (CSF) leaks can be high and the presence of postoperative pneumocephalus associated with serosanguineous nasal drainage may raise suspicion for a CSF leak. The authors hypothesized that specific patterns of pneumocephalus on postoperative imaging could be predictive of CSF leaks. Identification of these patterns could guide the postoperative management of patients undergoing ESBS...
October 2014: Journal of Neurosurgery
https://www.readbyqxmd.com/read/24810934/endoscopic-endonasal-resection-of-sinonasal-and-anterior-skull-base-schwannomas
#7
Danielle M Blake, Qasim Husain, Vivek V Kanumuri, Peter F Svider, Jean Anderson Eloy, James K Liu
Sinonasal and anterior skull base (ASB) schwannomas are rare entities. The majority of these lesions are found within the sinonasal tract, although some have intracranial extension via invasion of the ASB. Often, these tumors can be confused for other entities, especially olfactory groove meningiomas and esthesioneuroblastomas in the olfactory groove region, and juvenile nasopharyngeal angiofibromas in the infratemporal fossa. We present a single institutional series of four patients with sinonasal and ASB schwannomas that were resected purely via an endoscopic endonasal approach...
August 2014: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/24254982/practice-patterns-in-endoscopic-skull-base-surgery-survey-of-the-american-rhinologic-society
#8
Jivianne T Lee, Todd T Kingdom, Timothy L Smith, Michael Setzen, Seth Brown, Pete S Batra
BACKGROUND: The introduction of advanced endoscopic techniques has facilitated significant growth in the field of endoscopic skull base surgery (SBS). The purpose of this study is to evaluate the impact of endoscopic SBS on the clinical practice patterns of the American Rhinologic Society (ARS) membership. METHODS: A 23-item survey vetted by the ARS Board of Directors was electronically disseminated to the ARS membership from February 5, 2013, to March 31, 2013...
February 2014: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/23474025/transcribriform-and-transplanum-endoscopic-approach-for-skull-base-tumors
#9
B Verillaud, D Bresson, E Sauvaget, E Mandonnet, B Georges, R Kania, P Herman
No abstract text is available yet for this article.
September 2013: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/23389885/endoscopic-skull-base-surgery-practice-patterns-survey-of-the-north-american-skull-base-society
#10
Pete S Batra, Jivianne Lee, Samuel L Barnett, Brent A Senior, Michael Setzen, Dennis H Kraus
BACKGROUND: The objective of this study was to evaluate the potential impact of advanced endoscopic techniques on the current practice patterns in skull base surgery. METHODS: A 20-item written survey approved by the American Rhinologic Society (ARS) and North American Skull Base Society (NASBS) was conducted at the 22nd Annual NASBS meeting in Las Vegas, NV, from February 17 to 19, 2012. The target group included 212 practicing skull base surgeons. RESULTS: Seventy-nine physicians (37...
August 2013: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/23070802/assessment-of-frontal-lobe-sagging-after-endoscopic-endonasal-transcribriform-resection-of-anterior-skull-base-tumors-is-rigid-structural-reconstruction-of-the-cranial-base-defect-necessary
#11
COMPARATIVE STUDY
Jean Anderson Eloy, Pratik A Shukla, Osamah J Choudhry, Rahul Singh, James K Liu
OBJECTIVES/HYPOTHESIS: The endoscopic endonasal transcribriform approach (EETA) is a viable alternative option for resection of selected anterior skull base (ASB) tumors. However, this technique results in the creation of large cribriform defects. Some have reported the use of a rigid substitute for ASB reconstruction to prevent postoperative frontal lobe sagging. We evaluate the degree of frontal lobe sagging using our triple-layer technique [fascia lata, acellular dermal allograft, and pedicled nasoseptal flap (PNSF)] without the use of rigid structural reconstruction for large cribriform defects...
December 2012: Laryngoscope
https://www.readbyqxmd.com/read/23038626/triple-layer-reconstruction-technique-for-large-cribriform-defects-after-endoscopic-endonasal-resection-of-anterior-skull-base-tumors
#12
Jean Anderson Eloy, Smruti K Patel, Pratik A Shukla, Mickey L Smith, Osamah J Choudhry, James K Liu
BACKGROUND: Endoscopic endonasal transcribriform (EET) resection of anterior skull base (ASB) tumors results in large defects that may extend the entirety of the cribriform plate. Endoscopic repair of these cribriform defects can often be challenging. We describe our reconstruction technique for large ASB defects after EET resection of ASB tumors. This triple-layer technique is comprised of autologous fascia lata, acellular dermal allograft, and a vascularized pedicled nasoseptal flap (PNSF)...
March 2013: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/22655696/surgical-nuances-for-nasoseptal-flap-reconstruction-of-cranial-base-defects-with-high-flow-cerebrospinal-fluid-leaks-after-endoscopic-skull-base-surgery
#13
REVIEW
James K Liu, Richard F Schmidt, Osamah J Choudhry, Pratik A Shukla, Jean Anderson Eloy
Extended endoscopic endonasal approaches have allowed for a minimally invasive solution for removal of a variety of ventral skull base lesions, including intradural tumors. Depending on the location of the pathological entity, various types of surgical corridors are used, such as transcribriform, transplanum transtuberculum, transsellar, transclival, and transodontoid approaches. Often, a large skull base dural defect with a high-flow CSF leak is created after endoscopic skull base surgery. Successful reconstruction of the cranial base defect is paramount to separate the intracranial contents from the paranasal sinus contents and to prevent postoperative CSF leakage...
June 2012: Neurosurgical Focus
https://www.readbyqxmd.com/read/22522971/nasoseptal-flap-repair-after-endoscopic-transsellar-versus-expanded-endonasal-approaches-is-there-an-increased-risk-of-postoperative-cerebrospinal-fluid-leak
#14
COMPARATIVE STUDY
Jean Anderson Eloy, Osamah J Choudhry, Pratik A Shukla, Arjuna B Kuperan, Mark E Friedel, James K Liu
OBJECTIVES/HYPOTHESIS: The development of expanded endoscopic endonasal approaches (EEAs) has allowed resection of cranial-base lesions beyond the sella. One major criticism is an increased risk of postoperative cerebrospinal fluid (CSF) leakage because of the larger skull base defect. We evaluated our experience with vascularized pedicled nasoseptal flap (PNSF) reconstruction and compared the postoperative CSF leak rates between patients undergoing endoscopic transsphenoidal (transsellar) approaches versus expanded EEA (transplanum-transtuberculum, transcribriform, transclival)...
June 2012: Laryngoscope
https://www.readbyqxmd.com/read/22451806/endoscopic-anterior-skull-base-surgery-intraoperative-considerations-of-the-crista-galli
#15
John M Lee, Evan Ransom, John Y K Lee, James N Palmer, Alexander G Chiu
We sought to measure the anatomic dimensions of the crista galli in a consecutive series of patients undergoing the endoscopic transcribriform approach for anterior skull base tumors at a tertiary academic university hospital. We performed a retrospective chart review of patients undergoing purely endoscopic transcribriform surgery for sinonasal and skull base lesions. Main outcome measures included radiological dimensions of the crista galli. A total of 12 patients were identified and treated by the senior authors at the University of Pennsylvania...
March 2011: Skull Base: Official Journal of North American Skull Base Society ... [et Al.]
https://www.readbyqxmd.com/read/22251251/expanded-endoscopic-endonasal-transcribriform-approach-for-resection-of-anterior-skull-base-olfactory-schwannoma
#16
James K Liu, Jean Anderson Eloy
Anterior skull base (ASB) schwannomas are extremely rare and can often mimic other pathologies involving the ASB such as olfactory groove meningiomas, hemangiopericytomas, esthesioneuroblastomas, and other malignant ASB tumors. The mainstay of treatment for these lesions is gross-total resection. Traditionally, resection for tumors in this location is performed through a bifrontal transbasal approach that can involve some degree of brain retraction or manipulation for tumor exposure. With the recent advances in endoscopic skull base surgery, various ASB tumors can be resected successfully using an expanded endoscopic endonasal transcribriform approach through a "keyhole craniectomy" in the ventral skull base...
January 2012: Journal of Neurosurgery
https://www.readbyqxmd.com/read/21529174/surgical-nuances-for-removal-of-olfactory-groove-meningiomas-using-the-endoscopic-endonasal-transcribriform-approach
#17
James K Liu, Lana D Christiano, Smruti K Patel, R Shane Tubbs, Jean Anderson Eloy
Olfactory groove meningiomas represent 10% of intracranial meningiomas and arise in the midline of the anterior cranial fossa along the dura of the cribriform plate and planum sphenoidale. Hyperostosis of the adjacent underlying bone is common, and further extension into ethmoid sinuses and nasal cavity can occur in 15%-25% of cases. Radical tumor resection including the involved dural attachment and underlying hyperostotic bone offers the best chance of a Simpson Grade I resection to minimize recurrence. Incomplete removal of involved hyperostotic bone can result in tumor recurrence at the cribriform plate with extension into the paranasal sinuses...
May 2011: Neurosurgical Focus
https://www.readbyqxmd.com/read/20414977/endoscopic-endonasal-transethmoidal-transcribriform-transfovea-ethmoidalis-approach-to-the-anterior-cranial-fossa-and-skull-base
#18
Jeffrey P Greenfield, Vijay K Anand, Ashutosh Kacker, Michael J Seibert, Ameet Singh, Seth M Brown, Theodore H Schwartz
OBJECTIVE: The anterior skull base, in front of the sphenoid sinus, can be approached using a variety of techniques including extended subfrontal, transfacial, and craniofacial approaches. These methods include risks of brain retraction, contusion, cerebrospinal fluid leak, meningitis, and cosmetic deformity. An alternate and more direct approach is the endonasal, transethmoidal, transcribriform, transfovea ethmoidalis approach. METHODS: An endoscopic, endonasal approach was used to treat a variety of conditions of the anterior skull base arising in front of the sphenoid sinus and between the orbits in a series of 44 patients...
May 2010: Neurosurgery
https://www.readbyqxmd.com/read/18628546/postmortem-trucut-transnasal-brain-biopsy-in-the-diagnosis-of-encephalitis
#19
Thambu David Sudarsanam, Geeta Chacko, Rani Diana David
Diagnosing encephalitis is often difficult with a definitive diagnosis being reached at best in only 40% of cases. This clinical condition is associated with a high morbidity and mortality. A brain biopsy is the gold standard for the diagnosis of this disease. However, this procedure is rarely done, resulting in the cause of death being largely speculative. We propose a simple procedure for postmortem brain biopsy through the transnasal transcribriform route that will possibly be more acceptable to clinicians and relatives alike due to lack of external disfigurement, relative ease of the procedure and economy of time and manpower...
July 2008: Tropical Doctor
https://www.readbyqxmd.com/read/16078817/expanded-endonasal-approach-the-rostrocaudal-axis-part-i-crista-galli-to-the-sella-turcica
#20
REVIEW
Amin Kassam, Carl H Snyderman, Arlan Mintz, Paul Gardner, Ricardo L Carrau
OBJECT: Transsphenoidal approaches have been used for a century for the resection of pituitary and other sellar tumors. More recently, the standard endonasal approach has been expanded to provide access to other, parasellar lesions. With the addition of the endoscope, this expansion carries significant potential for the resection of skull base lesions. METHODS: The anatomical landmarks and surgical techniques used in expanded (extended) endoscopic approaches to the rostral, anterior skull base are reviewed and presented, accompanied by case illustrations of each segment (or module) of approach...
July 15, 2005: Neurosurgical Focus
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