Despite being separated in its origin by a short distance, they have quite different clinical, radiological, and anatomical relationships. Olfaction occurs when odorants bind to specific sites on olfactory receptors located in the nasal cavity. Surgical resection is the treatment of choice for most olfactory groove meningiomas. Olfactory groove meningioma the neurosurgical atlas, by. Patients with a history of cranial radiation therapy have a 4 times greater rate of meningioma formation compared. Olfaction is a chemoreception that, through the sensory olfactory system, forms the perception of smell. Six tumors were operated on by the transsinusal frontal approach, using a bicoronal incision. Olfactory groove meningiomas comprise 4 to 10% of the intracranial meningiomas. Meningiomas originating from the olfactory groove account for approximately 10% of all intracranial meningiomas. Olfactory groove meningioma treatment mount sinai new york. Olfactory groove meningiomas ogms are rare, slowgrowing tumors that account for 10% of intracranial meningiomas. Meningiomas of the skull base pdf free download ebook description meningiomas, the second most frequent of intracranial tumors, are characterized by a protean range of possible locations and appearances, due to their origin from the extensive and intricately formed meninges. Olfactory groove meningiomas account for 8 to % of all intracranial meningiomas.
Olfactory groove meningioma extension to paranasal sinus and. Pdf olfactory groove meningiomas surgical technique and. Microsurgical removal of olfactory groove meningiomas via the. We report on the clinical outcome and recurrence rate after surgical treatment of olfactory groove meningiomas in our neurosurgical department.
Olfactory groove meningiomas represent 10% of intracranial meningiomas and. Patients with a history of cranial radiation therapy have a 4 times greater rate of meningioma formation compared with the general population. Tumors in this location may cause symptoms such as loss of smell and. Surgical nuances for removal of olfactory groove meningiomas. Sudden unexpected death caused by olfactory groove meningioma. Olfactory groove meningiomas ogms are typically noncancerous and account about 10 percent of all meningiomas, according to the american brain tumor association abta. They are almost always grade i, under the world health organizations classification of meningiomas. The principal symptoms associated with olfactory groove meningiomas are anosmia and headache which lead the patient to the ent specialist. Endoscopic endonasal surgery for olfactory groove meningiomas. A retrospective study was conducted by analyzing the charts of the patients, including surgical records, discharge letters, histological records, followup records, and imaging studies.
Endoscopic endonasal or an eyebrow supraorbital approach are considered. Foster kennedy syndrome is a constellation of findings associated with tumors of the frontal lobe although foster kennedy syndrome is sometimes called kennedy syndrome, it should not be confused with kennedy disease, or spinal and bulbar muscular atrophy, which is named after william r. These are benign neoplasms, originate any part of skull inside, these originate from anterior skull base, olfactory groove, present with head ache, seizures, visual complaints, abnormal. A surgical procedure adapted to the size and the extension of the tumor combined with microsurgical techniques allows total meningioma removal with good neurological outcome. Unexpected death, brain tumor, meningioma, cerebral herniation. Includes information on diagnosis, evaluation, and preoperative considerations. A large olfactory groove meningioma displacing the anterior cerebral complex seen by magnetic resonance imaging left and magnetic resonance angiography right. Many approaches have been used for surgical removal of olfactory groove meningioma ogm as pterional, bifrontal, interhemispheric, and frontolateral approach.
Radiotherapy as primary treatment of olfactory groove. Olfactory groove meningiomas neurosurgery oxford academic. Olfactory groove meningioma extension to paranasal sinus. Olfactory groove meningiomas ogms arise over the cribriform plate and may reach very large sizes prior to presentation. If you have an olfactory groove meningioma, you probably will not experience any symptoms until the tumor grows to a large size. In this case report, a patient with an olfactory groove meningioma presenting with signs and symptoms of. Foster kennedy syndrome is a constellation of findings associated with tumors of the frontal lobe although foster kennedy syndrome is sometimes called kennedy syndrome, it should not be. We evaluated the role of unilateral subfrontal approach for the removal of giant ogm bigger than 6cm. May 18, 2007 the clinical presentation of our case exemplifies some of the neurologic hallmarks of an olfactory groove meningioma.
Despite close similarities with olfactory groove meningiomas, patient history and radiological findings provide substantial evidence for differential diagnosis. What has happened in olfactory groove meningioma surgery since the. Patient positioning and microdissection techniques are discussed. Guest of honour dr laligam sekhar organiser mr g narenthiran. The latest cancer research uk statistics show that between a quarter and a third 2533% of all primary brain tumours in adults is a meningioma. Jul 16, 2016 case 6 olfactory groove meningioma stephen j. Feb 01, 2015 about years after the first documentedand successfulremoval of an olfactory groove meningioma by roman surgeon francesco durante in 1885 3, his natural successors, neurosurgeons at the catholic university of rome, report on a series of 99 such cases who have been operated on through a periodoftime of 26 years. Typical localizations of meningioma include the convexity, parasagittal, the sphenoid wing, the olfactory groove and the parasellar region. About years after the first documentedand successfulremoval of an olfactory groove meningioma by roman surgeon francesco durante in 1885 3, his natural successors. Dec 16, 2016 a large olfactory groove meningioma displacing the anterior cerebral complex seen by magnetic resonance imaging left and magnetic resonance angiography right. Six tumors were operated on by the transsinusal frontal approach. Tumors in this location may cause symptoms such as loss of smell and taste, blurred vision, memory loss, headaches, fatigue, nausea and vomiting, and personality changes. Lower panel, postoperative mr images show complete tumor resection after a right pterional approach. Introduction olfactory groove meningiomas arise in the anterior cranial fossa at the cribriform plate of the ethmoid bone and the.
Olfactory groove meningiomas tend to be clinically silent tumors until they are very large when symptoms or other abnormalities become evident. Mri brain revealed olfactory groove meningioma with associated peritumoral oedema. Olfactory groove meningiomamicrosurgical excision video. The clinical presentation of our case exemplifies some of the neurologic hallmarks of an olfactory groove meningioma. The anatomic location of this tumor and its growth pattern underlie the. Most common symptoms are anosmia, headaches, and visual disturbances, but a range of manifestations, both neurologic and psychiatric, has been described in a significant number of patients. Pdf the most frequent primary brain tumours in adults are gliomas and primary cns lymphomas. Clinical presentation a 78yearold woman presented with increasing difficulties with ambulation and memory deficits. Microsurgical removal of olfactory groove meningiomas via the pterional approach. Cranial radiation is a definite risk factor for developing meningiomas. Olfactory groove meningiomas are commonly diagnosed when their size is significant and causes local mass effect.
Introduction olfactory groove meningiomas arise in the anterior cranial fossa at the cribriform plate of the ethmoid bone and the area of the suture adjoining the planum sphenoidale. The most important features of the meningiomas are the typical microscopic ap. One of these locations is subfrontal olfactory groove. There are only few publications describing such a presentation in the absence of hemorrhage 1.
Olfactory groove meningiomas have a high recurrence rate 20% due to incomplete resection of the invasion on the anterior cranial fossa olfactory groove and paranasal sinuses. Transclival, transmaxillary and transdontoid approaches duration. In this case report, a patient with an olfactory groove meningioma presenting with signs and symptoms of transtentorial herniation in the absence of tumorassociated hemorrhage is discussed. Olfactory groove meningiomas are typically noncancerous and represent about 10 percent of all meningiomas, according to the american brain tumor association abta. Sep 30, 2011 olfactory groove meningiomas tend to be clinically silent tumors until they are very large when symptoms or other abnormalities become evident.
Olfactory groove meningiomas ogm are relatively rare tumors representing approximately 4% to % of all intracranial meningiomas. Despite being separated in its origin by a short distance, they have quite different. Pdf olfactory groove meningioma case report researchgate. Their microscopic appearance, pathologic classification, and female preponderance reflect the characteristics of meningiomas found elsewhere. Meningiomas most frequent locations are variable, depending on. Mar 12, 2020 technical discussion related to olfactory groove meningioma resection. The lateral supraorbital approach can be used safely for olfactory groove meningiomas of all sizes with no mortality and relatively low morbidity. Endoscopeassisted endonasal versus supraorbital keyhole resection of olfactory groove meningiomas.
Technical discussion related to olfactory groove meningioma resection. Pdf olfactory groove meningiomas comprise 410% of the intracranial meningiomas. Olfactory groove meningiomas arise from the region between the crista galli and the planum sphenoidale figure 3. An olfactory groove meningioma is a rare benign tumor with a rather insidious course. The latest cancer research uk statistics show that between a quarter and a. Olfactory groove meningioma meningioma of olfactory groove. The authors report on their experience with the transsinusal frontal approach in removing olfactory groove meningiomas. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Olfactory groove meningioma is a rare clinical entity. Olfactory groove and planum sphenoidale meningiomas occur along the anterior cranial base overlying the area of the cribriform plate of the ethmoid bone, frontosphenoid suture, and planum. Olfactory groove meningioma with bone invasion and sinus.
Olfactory groove and tuberculum sellae meningiomas are the most frequent tumors located in the frontobasal midline. Olfactory groove meningiomas are a relatively uncommon type of intracranial meningioma. Oct 02, 2012 olfactory groove meningiomas have a high recurrence rate 20% due to incomplete resection of the invasion on the anterior cranial fossa olfactory groove and paranasal sinuses. The anatomic location of this tumor and its growth pattern underlie the clinical picture. Sudden unexpected death caused by olfactory groove. In the present report, we describe an autopsy case of a sudden, unexpected death due to a large olfactory groove.
Between the brain lobes parasagittal paralysis of usually one leg. They can be differentiated from tuberculum sellae meningiomas because. Surgical results and tumor recurrence with this fast and simple approach are similar to those obtained with more extensive, complex, and timeconsuming approaches. Associated symptoms for a selection of meningioma locations may include. Typical appearances of a large anterior cranial fossa meningioma where they can grow to impressive size with limited symptoms. The slow progression of symptoms in many cases may be accompanied by apathy in these patients, which decreases the likelihood they will seek medical care. We present the diagnostic, clinical and pathological features of olfactory groove meningiomas and describe our surgical results and complications in a series of 25 patients. All hyperostotic bone should be removed with the dura of the anterior skull base to minimize the risk of recurrence. Feb 15, 2009 cranial radiation is a definite risk factor for developing meningiomas. They can be differentiated from tuberculum sellae meningiomas because ogms arise more anterior in the skull base and displace the optic nerve and chiasm inferiorly rather than superiorly. Olfaction has many purposes, such as the detection of hazards, pheromones, and food.
Get a printable copy pdf file of the complete article 1. Olfactory groove meningiomas, which account for 10% of all intracranial. Unilateral subfrontal approach for giant olfactory groove. The cases we present do not estimate the real prevalence of meningiomas localizations. Clinical suspicion towards intracranial neoplasms must be raised when longstanding signs are present, whereas.
Preservation of olfaction in surgery of olfactory groove. In the present report, we describe an autopsy case of a sudden, unexpected death due to a large olfactory groove meningioma accompanied by severe cerebral edema and tonsillar herniation. Olfactory grooveplanum sphenoidale meningiomas springerlink. Most common symptoms are anosmia, headaches, and visual disturbances, but a range of manifestations, both. Olfactory groove meningiomas, which account for 10% of all intracranial meningiomas, arise from the cribriform plate or the frontosphenoid suture.
Surgical removal is often performed through the bifrontal, unilateral subfrontal frontolateral, or pterional. Between february 2003 and december 2012, 50 patients 64% female. Olfactory groove meningiomas tsikoudas 1999 clinical. Anterior fossa schwannoma mimicking an olfactory groove.
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