Olfactory groove meningiomas are a relatively uncommon type of intracranial meningioma. Olfactory groove meningioma extension to paranasal sinus. The midline biorbitofrontal craniotomy approach to meningiomas of the olfactory groove and planum sphenoidale. Olfactory groove meningioma, may be atypical as bright signal on diffusion. Surgical resection is the treatment of choice for most olfactory groove meningiomas. Olfactory groove and planum sphenoidale meningiomas occur along the anterior cranial base overlying the area of the cribriform plate of the.
The olfactory groove is the thirdmostcommon intracranial location for meningiomas. Oct 07, 2011 high signal on diffusion attributed to atypical nature of meningioma or implies to dense compact arrangement of cells. Patient population frontobasal meningiomas comprised 12. Foster kennedy syndrome and optociliary shunt vessels in a patient with an olfactory groove. 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. Jul 16, 2016 case 6 olfactory groove meningioma stephen j.
There is a second larger extraaxial lesion arising in the floor of the anterior cranial fossa in the region of the olfactory groove measuring 30 x 38 x 39 mm. Intraventricular chordoid meningioma presenting with castleman disease due to overproduction of interleukin6. Clinical suspicion towards intracranial neoplasms must be raised when longstanding signs are present, whereas. If you are interested in joining you must answer all four member questions in order for to. These tumors arise in the midline of the anterior cranial fossa at the junction of the cribriform plate and planum sphenoidale. 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 behaviour, loss of smell. Meningiomas are predominantly found in the brain, most frequently in the parasagittal area4, and the cavernous sinus5.
Validity of the frontolateral approach as a minimally. Modern microsurgical resection of olfactory groove meningiomas. The book is focused at performing a portrait of that what is state of the art in management of meningiomas. Olfactory groove meningioma with paranasal sinuses and nasal cavity extension case report abstract background. Altschul takes to twitter for world stroke day chat. Olfactory groove and sphenoid wing meningiomas nj surgeon. Olfactory groove and suprasellar meningiomas springerlink. A minority of these tumours present with clinical and histological features suggesting aggressive potential atypical and malignant meningiomas. This article discusses the surgical approaches for resection, especially the transnasal endoscopic approach. The cavernous sinus is a blood space containing endothelium, trabeculae, and ligaments. The impact of tumor size and encasement of the anterior cerebral artery complex on the degree of tumor removal will be described on the basis of experience with 18 cases.
Mri brain shows an extraaxial enhancing lesion arising from the left dorsal clivus, measuring 15 x 20 x 8. Olfactory groove and sphenoid wing meningiomas columbia. Olfactory groove meningiomas are commonly diagnosed when their size is significant and causes local mass effect. Olfactory groove meningiomas develop insidiously and their diagnosis is commonly made late, when tumors are large. Alfred ogden shares expertise on minimally invasive spine surgery dr. Patients with a history of cranial radiation therapy have a 4 times greater rate of meningioma formation compared with the general population. Hence, this study was performed to evaluate the surgical outcomes of olfactory groove meningioma with bicoronal sub frontal approach but without orbital. Olfactory groove meningiomas are typically noncancerous and represent about 10 percent of all meningiomas, according to the american brain tumor association abta. Olfactory groove meningioma meningioma of olfactory.
Intra operative findings consistent with extra axial mass in relation to olfactory groove. Pitfalls related to this corridor will be described. Meningioma is a type of tumor that arises from the protective membranes, called meninges, which surround the brain and spinal cord. 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 patient also complained of progressive visual loss for an unspecified period. Altschul on twitter chat for world stroke day 2014 dr.
Pdf olfactory groove meningiomas surgical technique and. Details of a typical meningioma treatment plan incidences of meningiomas increase with age and are most common in the sixth and seventh decade of life. This is the name given to the protective lining of the brain and spinal cord. Subcranial, olfactory groove meningioma, anterior skull base. Feb 15, 2009 cranial radiation is a definite risk factor for developing meningiomas. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Meyers is snis 2010 annual meeting chairman announcing dr.
Dorsal clival meningioma indenting the cervicomedullary junction. Olfactory groove meningioma meningioma of olfactory groove. This blog is about navigating a glitch in the road. Principles of transcranial resection olfactory groove meningiomas ogms constitute 918% of all intracranial meningiomas. These are called the meninges and also help to protect the brain. Everyone is different and meningioma is different in everyone. No significant fibromuscular disease, stenosis or dissection is seen in either carotid artery or the left vertebral artery. 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. Iiiii on overall and recurrencefree survival also was assessed. Join ronald warnick, md, as he presents a webinar discussing incidence rates, risk factors, tumor classification and presenting symptoms of meningioma. Meningioma cases were matched with controls at a ratio of 1.
Tinnitus ringing in the ears, hearing loss, disequilibrium, and vertigo are common and caused by compression of the eighth cranial nerve. Olfactory groove meningiomas are benign tumors that grow along the midline floor of the anterior cranial fossa. 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. On the former, the lesion is noted to extend inferiorly to the region of the left olfactory bulb.
N2 meningiomas are slowgrowing benign tumors believed to originate from arachnoidal cap cells. Illustrative case of a small olfactory groove meningioma diameter 25 mm. Endoscopic endonasal surgery for olfactory groove meningiomas. Despite advances in imaging and therapeutic measures, the average size of these tumors at the time of surgical resection has not changed over the past few decades.
Abstractthe aim of the present study was to determine the efficacy of microsurgery treatment for parasagittal. Inflammatory response and meningioma tumorigenesis and the effect of cyclooxygenase2 inhibitors. Delayed diagnosis is the rule rather than the exception. An olfactory groove meningioma is a rare benign tumor with a rather insidious course. Olfactory grooveplanum sphenoidale meningiomas springerlink. Meningiomas of the skull base pdf free medical books. Olfactory groove meningioma with bone invasion and sinus. Clinical presentation a 78yearold woman presented with increasing difficulties with ambulation and memory deficits. Florin stefanescu et al large olfactory groove meningiomas figure 3 a preoperative axial ct scan with contrast enhancement showing a large olfactory groove meningioma in a 56 years old male, b postoperative contrast axial ct scan after tumor removal through the bifrontal approach figure 4 a preoperative t1weighted axial mri. Symptoms of olfactory groove and sphenoid wing meningiomas because of the location of acoustic neuromas, the initial symptoms of these tumors involve hearing and balance. This book is aimed at neurosurgeons with an interest in updating their knowledge on the latest state of meningiomas surgery and management. The little bugger was removed surgically by craniotomy on jan 28th 2009. Mri brain revealed olfactory groove meningioma with associated peritumoral oedema. All the chapters have been developed with high quality and including the most modern approaches for the different aspects they deal with.
The goal of this study was to evaluate the results of the frontolateral approach for olfactory groove meningioma. Altschul leads svin discussion on new stroke treatments dr. Almeftys meningiomas, second edition is the definitive guide to meningioma diagnosis, treatment, and surgery, and reflects over a decade of major advances in the diagnosis and management of both intracranial and spinal meningiomas since the first edition was published. Outcome was analyzed using survival recurrencefree kaplanmayer curves. The slow progression of symptoms in many cases may be accompanied by apathy in these patients, which decreases the likelihood they. Meningioma, the term coined by harvey cushing, refers to a set of tumors that arise contiguously to the meninges see the image below. Nakamura m, struck m, roser f, vorkapic p, samii m. Pdf olfactory groove meningioma case report researchgate. We report a case of a 49yearold woman with an olfactory groove schwannoma attached to the cribriform plate without olfactory dysfunction.
Olfactory groove meningioma is a rare clinical entity. I was in neurologist office the other day and was reading neurology now, its a free magazine with lots of info, anyway there was an article about meningiomas. Olfactory groove meningiomamicrosurgical excision video. The typical presentation of an olfactory groove meningioma seen here on a sagittal mri scan includes loss of smell anosmia, followed by visual loss, and frontal lobe dysfunction, which can be typified by personality changes, loss of interest and motivation. Each cavernous sinus contains the internal carotid artery and sympathetic plexus, oculomotor nerve, trochlear nerve, abducens nerve. The supply comes almost exclusively from ethmoidal meningeal branches from each ophthalmic artery.
Tinnitus ringing in the ears, hearing loss, disequilibrium, and vertigo are common and. Posterior fossa meningioma develops at the back of the brain. There is indentation of the cervico medullary junction and the left vertebral artery indents the left posterior aspect of the mass. 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. The olfactory groove schwannoma is a quite rare tumor. The dura is opened, and the meningioma can be seen extending en plaque over the surface of the brain.
Atypical grade ii and malignant grade iii meningiomas constitute approximately 57% and % of meningiomas, respectively 10, 19, 38. Guest of honour dr laligam sekhar organiser mr g narenthiran. The clinical records of 27 patients diagnosed of olfactory groove meningioma, extracted from the series of meningiomas operated on in our department since 1973, were. Typical appearances of a large anterior cranial fossa meningioma where they can grow to impressive size with limited symptoms. A large, midline, extraaxial lesion is noted within the low frontal region, with homogeneous enhancement on postcontrast coronal and axial images. Inside the skull, and covering the brain, are 3 thin sheets of body tissue.
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. The most important features of the meningiomas are the typical microscopic ap. Meningioma tumours are more common in older people and in women, although they may occur in men and in young people too. On dec 2nd 2008 i found out i had an olfactory groove meningioma, a benign tumour on the meninges the membranes that surround your brain and spinal cord. Olfactory groove meningiomas, which account for 10% of all intracranial meningiomas, arise from the cribriform plate or the frontosphenoid suture. They are almost always grade i, under the world health organizations classification of meningiomas. Outcome was analyzed using survivalrecurrencefree kaplanmayer curves. Olfactory groove meningioma treatment mount sinai new york. Olfactory groove meningioma the neurosurgical atlas, by. This type of meningioma occurs near the nerves that connect the brain to the nose. The principal symptoms associated with olfactory groove meningiomas are anosmia and headache which lead the patient to the ent specialist. Im sorry i dont remember what was said but you can go to or download the app. Clival and olfactory groove meningiomas radiology case.
Founded in 1998 by meningioma patients, caroline rutgers and ella pybus, meningioma uk continues to offer support and information to meningioma patients and carers affected by a meningeal tumours of the brain or spinal cord. 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. Pdf olfactory groove meningiomas comprise 410% of the intracranial meningiomas. The anterior cranial fossa skull base tumor is markedly hypervascular, with a parenchymal staining pattern typical of a meningioma. Microsurgical treatment for parasagittal meningioma in the. Alfred ogden shares his expertise in resident anatomy lab dr. Olfactory groove meningiomas account for 8 to % of all intracranial meningiomas. In the year of 2010 we had operated a fortyyearold male patient with the similar condition using the similar combine approach and till date, there is no sign of recurrence. The midline biorbitofrontal craniotomy approach to meningiomas of.
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