• An aggressive sphenoid wing meningioma causing foster kennedy syndrome. (medscape.com)
  • Chaves H, Bergamo Y, Paz S, Sanchez F, Vazquez S. Sphenoid Wing Meningioma Behavior on 11C-PiB and 18F-FDG PET. (medscape.com)
  • Coronal T1-weighted MRI with gadolinium enhancement of a sphenoid wing meningioma with some degree of encasement of bilateral cavernous sinuses. (medscape.com)
  • Two different growing patterns of sphenoid wing meningioma have been described: meningioma en masse, forming a nodular space-occupying lesion, and meningioma en plaque, which is flat and demonstrates a carpet-like growth pattern. (medscape.com)
  • Large and giant medial sphenoid wing meningiomas involving vascular structures: clinical features and management experience in 53 patients. (medscape.com)
  • Sphenoid Wing en plaque meningiomas: Surgical results and recurrence rates. (medscape.com)
  • Sphenoid wing meningiomas, or ridge meningiomas, are the most common of the basal meningiomas. (medscape.com)
  • These meningiomas may be associated with hyperostosis of the sphenoid ridge and may be very invasive, spreading to the dura of the frontal, temporal, orbital, and sphenoidal regions. (medscape.com)
  • [ 8 ] Of lesions in the supratentorial compartment, sphenoid wing meningiomas represent about 15-20% of all meningiomas. (medscape.com)
  • Sphenoid wing meningiomas also are known as "orbitosphenoid meningiomas," "meningiomas en plaque of the sphenoid wing," and "sphenoid wing meningiomas with osseous involvement. (medscape.com)
  • Sphenoid wing meningiomas are categorized as lateral, middle, or medial (clinoidal), depending on the origin of the tumor along the sphenoid ridge. (medscape.com)
  • Spheno-orbital meningiomas are characterized by bone invasion with extensive hyperostosis and possible encroachment into the orbit, infra-temporal fossa, and/or the cavernous sinus that render total surgical excision challenging. (springeropen.com)
  • Spheno-orbital meningiomas (SOM) represent a subgroup of sphenoid ridge meningiomas that are also known as the en-plaque meningiomas account for 20% of intracranial meningiomas [ 1 ]. (springeropen.com)
  • It is important not to confuse this subtype of meningioma with primary meningiomas arising from the optic nerve sheath, from which they in turn can extend to the sphenoid wing [ 10 ]. (springeropen.com)
  • Axial view of magnetic resonance (MR) venogram demonstrating lack of flow in transverse sinus. (medscape.com)
  • T, transverse sinus. (gov.gy)
  • AP or Caldwell views may be good for some aspects - for example, in the Townes view both superior and inferior cerebellar surface veins will project below the transverse sinus - the lateral projection helps in this case, and a Caldwell or AP can be good too. (neuroangio.org)
  • Tuberculoma presenting as an en plaque meningioma. (medscape.com)
  • Only 1 patient harboring a left cavernous sinus meningioma had tumor recurrence and underwent repeat resection. (medscape.com)
  • This is a retrospective study of twenty-two patients (including 4 recurrent cases) with meningioma en-plaque, presenting with hyperostosis and proptosis. (springeropen.com)
  • This tumor usually arises from the lesser wing of the sphenoid bone. (medscape.com)
  • Medially, this tumor may expand into the wall of the cavernous sinus, anteriorly into the orbit, and laterally into the temporal bone. (medscape.com)
  • The first-line treatment for most patients is transsphenoidal pituitary surgery, wherein the tumor is removed through the patient's nose and sphenoid sinus, a hollow space behind the nose. (cushingsdiseasenews.com)
  • In four patients, the tumor was removed by en bloc resection, meaning the entire tumor was removed without opening its capsule. (cushingsdiseasenews.com)
  • However, factors such as extension of the hyperostosis to the infra-temporal fossa or medial orbital wall, tumor invasion of the cavernous sinus, or adherence of tumor to the orbital muscles, prevent total excision. (springeropen.com)
  • Extension into the jugular bulb may cause jugular foramen syndrome, while cranial nerve palsies may be seen in cavernous sinus thrombosis as a compressive phenomenon. (medscape.com)
  • Of these, about one half occur in the sphenoid wing, and one half occur in the tuberculum sella or the olfactory groove. (medscape.com)
  • The CS is a paired structure on either side of the sella, pituitary gland, and sphenoid sinus. (stanford.edu)
  • To obliterate a CSF fistula, packing of autologous grafts and/or bioabsorbable materials into the sella turcica and the sphenoid sinus has generally been employed with or without postoperative CSF lumbar drainage. (neurosurgery.directory)
  • 38 In otitis media, infection spreads via the sigmoid sinus and along the internal carotid artery plexus. (stanford.edu)
  • A posterior condylar emissary vein may also be present, passing through the condylar canal, connecting the sigmoid sinus with the suboccipital venous plexus. (gov.gy)
  • Aerosinusitis, also called barosinusitis, sinus squeeze or sinus barotrauma is a painful inflammation and sometimes bleeding of the membrane of the paranasal sinus cavities, normally the frontal sinus. (wikipedia.org)
  • Infectious CST is typically a complication of a facial, orbital, odontogenic, or paranasal sinus infection. (stanford.edu)
  • Clinical Features of Patients Treated with Endoscopic Sinus Surgery for Posttraumatic Paranasal Sinus Mucocele. (hyo-med.ac.jp)
  • Cerebral hemorrhage also may be a presenting feature in patients with venous sinus thrombosis. (medscape.com)
  • Imaging procedures have led to easier recognition of venous sinus thrombosis (see the images below), offering the opportunity for early therapeutic measures. (medscape.com)
  • Because of these connections, an infection of the face may spread to the cavernous sinus and pterygoid venous plexus. (gov.gy)
  • Because these venous channels are valveless, compression of the thorax, abdomen, or pelvis, as occurs during heavy coughing and straining, may force venous blood from these regions into the internal vertebral venous system and from it into the dural venous sinuses. (gov.gy)
  • Arterial blood rushes into the cavernous sinus, enlarging it and forcing retrograde blood flow into its venous tributaries, especially the ophthalmic veins. (gov.gy)
  • To make things even more "interesting", the entire posterior fossa venous system is seldom optimally visualized from a single vertebral artery injection - even when transient contrast reflux allows for opacification of the contralateral PICA, the amount of dye going into that system is not enough to provide adequate visualization of the corresponding venous territory. (neuroangio.org)
  • Bilateral and simultaneous petrosal sinus sampling is the gold standard method and is performed when the triad of initial tests is inconclusive, doubtful or conflicting. (scielo.br)
  • Normally, the sinuses drain into the nasal cavity through small ostia, which permit mucociliary clearance and ventilation that equilibrates pressure. (wikipedia.org)
  • These tumors may arise from any location where meninges exist (eg, nasal cavity, paranasal sinuses, middle ear, mediastinum). (medscape.com)
  • When the sphenoids were entered endoscopically, mucosal petechia and hematoma were clearly seen. (wikipedia.org)
  • We reviewed the charts of 33 adult outpatients in whom CRS was diagnosed in the medical practice of W.S. Tichenor, whose endoscopically directed sinus cultures yielded NTM. (cdc.gov)
  • For example, cerebral infarction may occur with cortical vein or sagittal sinus thrombosis secondary to tissue congestion with obstruction. (medscape.com)
  • Lateral sinus thrombosis may be associated with headache and a pseudotumor cerebri-like picture. (medscape.com)
  • Left lateral sinus thrombosis demonstrated on magnetic resonance venography (MRV). (medscape.com)
  • Septic thrombosis of the cavernous sinus often results in the development of acute meningitis. (gov.gy)
  • The image depicts a contrasted MRI of the brain which shows an enhancing mass along the sphenoid ridge, orbital apex, and even the temporalis muscle. (medscape.com)
  • Rare cases of precursor B-LL involving orbital mass and plasmablastic lymphoma involving paranasal sinuses were studied. (ijmpo.org)
  • Transient postoperative visual deterioration occurred in 2 eyes (2.6%), with recovery to baseline over time. (medscape.com)
  • The majority of episodes of sinus barotrauma occur in the frontal sinuses with pain localized over the frontal area. (wikipedia.org)
  • Infection may occur by extension from the paranasal sinuses. (medscape.com)
  • cavernous sinus tuberculoma may occur in the absence of pulmonary findings. (stanford.edu)
  • One patient had a right cerebellar hemispheric ischemic lesion with a transient cerebellar syndrome resolved within 24 hours without neurologic sequelae at the latest follow-up. (neurosurgery.directory)
  • Olfactory changes after endoscopic sinus surgery in patients with chronic rhinosinusitis. (hyo-med.ac.jp)
  • Usefulness of our proposed olfactory scoring system during endoscopic sinus surgery in patients with chronic rhinosinusitis. (hyo-med.ac.jp)
  • The pressure differentials are directed to the center of the sinuses producing mucosal edema, transudation, and mucosal-or submucosal-hematoma, leading to further occlusion of the sinus ostium. (wikipedia.org)
  • In patients with provoked CVT (associated with a transient risk factor), vitamin K antagonists may be continued for 3-6 months, with a target international normalized ratio of 2.0-3.0. (medscape.com)
  • Despite the lower rate of surgical complications, two patients developed transient diabetes insipidus, a condition wherein the kidneys are unable to prevent water from being eliminated. (cushingsdiseasenews.com)
  • Patients usually present with headaches, visual problems (transient or gradual visual loss), pulse-synchronous tinnitus , photopsia , and/or eye pain 15,31 . (radiopaedia.org)
  • Because nontuberculous mycobacteria (NTM) are resistant to commonly used antimicrobial drugs and are found in drinking water that patients may use for sinus irrigation, we investigated whether some CRS patients were infected with NTM in New York, New York, USA, during 2001-2011. (cdc.gov)
  • Even though they receive various treatments, including antimicrobial drugs and sinus irrigation, many patients continue to be symptomatic ( 2 ). (cdc.gov)
  • Recovery of NTM from the sinus cavity has been documented in 19 patients, including those with cystic fibrosis ( 3 ), HIV infection ( 4 - 10 ), and diabetes ( 11 ). (cdc.gov)
  • NTM isolation from the sinus cavity has been rarely reported in immunocompetent, nondiabetic patients who do not have cystic fibrosis ( 12 - 15 ). (cdc.gov)
  • Post-operative course prediction during endoscopic sinus surgery in patients with chronic rhinosinusitis. (hyo-med.ac.jp)
  • Predictors of disease progression after endoscopic sinus surgery in patients with chronic rhinosinusitis. (hyo-med.ac.jp)
  • Endoscopic Evaluation after Endoscopic Sinus Surgery for Patients with Chronic Rhinosinusitis. (hyo-med.ac.jp)
  • A novel scoring for endoscopic sinus surgery in patients with chronic rhinosinusitis. (hyo-med.ac.jp)
  • Sensory endings are more numerous in the dura along each side of the superior sagittal sinus and in the tentorium cerebelli than they are in the floor of the cranium. (gov.gy)
  • Only two complications were observed: A transient diplopia due to dysconjugate eye movements in one patient and a transient trochlear palsy in another one. (neurologyindia.com)
  • Typically, sinus barotrauma is preceded by an upper respiratory tract infection or allergy. (wikipedia.org)
  • The infection usually involves only one sinus initially, but it may spread to the opposite side through the intercavernous sinuses. (gov.gy)
  • Extension of SOMs into the cavernous sinus and involvement of the ocular musculature render gross total resection nearly impossible due to the risk of loss of visual function. (springeropen.com)
  • Successful treatment ultimately required a 3-year course of multiple intravenous antimicrobial drug combinations and subsequent sinus operations ( 14 ). (cdc.gov)
  • Mycobacterium chelonae , Staphylococcus aureus , and Pseudomonas aeruginosa were recovered from sinus cultures. (cdc.gov)
  • It has the advantages of elongating the basal vein, and projecting the brainstem structures inferior to the torcula / transverse sinuses, and therefore without undue superimposition. (neuroangio.org)
  • In severe cases or cases resistant to local treatment, functional endoscopic sinus surgery is indicated in order to re-establish drainage and ventilation of the sinuses. (wikipedia.org)
  • Computer-aided surgery has re-established the drainage of affected sinuses, especially with regard to the sphenoid sinuses. (wikipedia.org)
  • Novel endoscopic scoring system after sinus surgery. (hyo-med.ac.jp)
  • This treatment has shown good results in aviators who have recurrent sinus barotrauma. (wikipedia.org)
  • The blood does not collect within a preexisting space, but rather creates a space at the Fractures of Cranial Base In fractures of the cranial base, the internal carotid artery may be torn, producing an arteriovenous fistula within the cavernous sinus. (gov.gy)
  • In most cases of sinus barotrauma, localized pain to the frontal area is the predominant symptom. (wikipedia.org)
  • This is due to pain originating from the frontal sinus, it being above the brow bones. (wikipedia.org)
  • Pressure inside the sinus increases, affecting the walls of the sinus and producing pain or epistaxis. (wikipedia.org)
  • In older children and adults, symptoms (eg, pain, pressure) tend to localize to the affected sinus. (medscape.com)
  • The brain and part of the calvaria are removed to demonstrate the sinuses related to the falx cerebri and tentorium cerebelli skin care nz buy benzac with american express. (gov.gy)
  • These minutes have: nonrefractory perfusion Sphenoid, transient weakening injury and congestive ventilatory care number, mucous Abstract, and cardiac neuropathy depression. (augenta.net)
  • The magnitude of the pressure difference needed to produce a barotrauma probably shows great individual variation and is related to the size of the sinus ostium and the rate of ambient pressure change. (wikipedia.org)