Page last updated: 2024-08-22

gadolinium and Neurilemmoma

gadolinium has been researched along with Neurilemmoma in 41 studies

Research

Studies (41)

Timeframe	Studies, this research(%)	All Research%
pre-1990	5 (12.20)	18.7374
1990's	17 (41.46)	18.2507
2000's	7 (17.07)	29.6817
2010's	10 (24.39)	24.3611
2020's	2 (4.88)	2.80

Authors

Authors	Studies
Cakir, A; Cetinkal, A; Sekerci, Z; Tahta, A	1
Ito, T; Kawashima, Y; Kurata, N; Ooka, T; Tsutsumi, T	1
Ho, CS; Kung, WM; Tai, PA; Yang, KS	1
Charpiot, A; Huynh, T; Karol, A; Severac, F; Veillon, F; Venkatasamy, A	1
Cen, B; Dai, LM; Lv, J; Qiu, Y	1
Ahn, SJ; Chung, TS; Lee, KS; Lee, SK; Son, EJ; Suh, SH; Yoo, MR	1
Alicandri-Ciufelli, M; Cunsolo, EM; Grammatica, A; Marchioni, D; Presutti, L	1
Bakar, B; Cila, A; Sumer, MM; Tekkok, IH	1
Anil, G; Tan, TY	1
Fourney, DR; Mann, SA; Robinson, CA; Wilkinson, JS	1
Dubrulle, F; Ernst, O; Kohler, R; Puech, P; Vincent, C	1
Kubota, Y; Kumamaru, W; Mori, Y; Yanai, Y	1
Chikui, T; Hashimoto, K; Kami, YN; Kubota, Y; Nakayama, E; Okamura, K; Oobu, K; Yabuuchi, H; Yoshiura, K	1
Bahuleyan, B; Menon, GR; Nair, S; Sharma, M	1
Cimpanelli, M; Crespi, C; Gaudio, G; Grandi, AM; Guasti, L; Mainardi, LT; Pedretti, R; Sarzi Braga, S; Scamoni, C; Simoni, C; Tomei, G; Venco, A	1
Kawaguchi, N; Koga, H; Manabe, J; Matsumoto, S; Tanizawa, T	1
Choi, SJ; Choung, YH; Park, K; Shin, YR	1
Chan, CS; Loke, TK; Ma, HT; Metreweli, C; Ward, SC	1
Bockhorst, K; Hoehn-Berlage, M	1
Jenkins, HA; Ozlüoglu, L	1
Cha, SH; Chang, KH; Han, MC; Han, MH; Kim, HD; Ra, DG	1
Dölken, W; Lackner, K; Lanfermann, H; Lehrke, R	1
Kristof, R; Schramm, J; Schultheiss, R	1
Carretta, G; de Nicola, T; Gongolo, R; Villabruna, M	1
Caruso, R; Cervoni, L; Innocenzi, G	1
Carré, S; Dietemann, JL; Guessoum, M; Salatino, S; Sanoussi, S	1
Bijnens, E; Broeckx, J; Schraepen, T; Winters, V	1
Carlier, RY; de Latour, B; Lacroix, C; Lamer, S; Larue, F; Parker, F; Vallee, C	1
Haltia, MJ; Jääskeläinen, JE; Kinnunen, JJ; Sainio, MA; Seppälä, MT; Setälä, KH	1
Benoudiba, F; Comoy, J; Doyon, D; Fuerxer, F; Iffenecker, C; Lacroix, C; Meziti, L	1
Bradley, WG	1
Hoult, DI; Kaibara, T; Louw, D; Saunders, J; Sutherland, GR; Tomanek, B	1
Baudouin, N; Ben Salem, D; Binnert, D; Martin, D; Romanet, P	1
Haberler, C; Nöbauer, I; Saringer, W; Ungersböck, K	1
Wagle, V	1
Felix, R; Henkes, H; Lanksch, W; Schörner, W; Schubeus, P	1
Yuyama, T	1
Fenzl, G; Heywang, SH; Vogl, T	1
Daniels, DL; Haughton, VM; Kilgore, DP; Meyer, GA; Millen, SJ; Pojunas, KW; Shaffer, KA; Williams, AL	1
Garces, LR; Guhl, L; Niendorf, HP; Schroth, G; Thron, A; Voigt, K	1
Claussen, C; Felix, R; Fiegler, W; Laniado, M; Niendorf, HP; Schörner, W; Speck, U	1

Reviews

3 review(s) available for gadolinium and Neurilemmoma

Article	Year
Complete removal of an oculomotor nerve neurinoma without permanent functional deficit. Case report. German journal of ophthalmology, 1993, Volume: 2, Issue:4-5 Topics: Aged; Contrast Media; Cranial Nerve Neoplasms; Gadolinium; Gadolinium DTPA; Humans; Magnetic Resonance Imaging; Male; Neurilemmoma; Oculomotor Nerve; Organometallic Compounds; Pentetic Acid; Tomography, X-Ray Computed; Vision, Ocular	1993
[Intramedullary cervical neurinoma. A case report and review of the literature]. Minerva chirurgica, 1997, Volume: 52, Issue:5 Topics: Adult; Contrast Media; Gadolinium; Humans; Laminectomy; Magnetic Resonance Imaging; Male; Neurilemmoma; Spinal Cord; Spinal Cord Neoplasms	1997
Extraforaminal, thoracic, epidural cavernous haemangioma: case report with analysis of magnetic resonance imaging characteristics and review of the literature. Acta neurochirurgica, 2001, Volume: 143, Issue:12 Topics: Diagnosis, Differential; Female; Gadolinium; Hemangioma, Cavernous; Humans; Magnetic Resonance Imaging; Middle Aged; Neuralgia; Neurilemmoma; Syndrome; Thorax	2001

Other Studies

38 other study(ies) available for gadolinium and Neurilemmoma

Article	Year
Intramedullary schwannoma of cervicomedullary junction: A case report. Neuro-Chirurgie, 2022, Volume: 68, Issue:3 Topics: Adult; Contrast Media; Gadolinium; Humans; Magnetic Resonance Imaging; Male; Neurilemmoma; Spinal Cord Neoplasms	2022
Four-Hour Delayed Gadolinium-Enhanced 3D-FLAIR MR Imaging Highlights Intralabyrinthine Micro-Schwannomas. Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology, 2021, 12-01, Volume: 42, Issue:10 Topics: Contrast Media; Gadolinium; Humans; Imaging, Three-Dimensional; Magnetic Resonance Imaging; Neurilemmoma	2021
Intraspinal schwannoma and neurogenic bladder. Annals of the Royal College of Surgeons of England, 2018, Volume: 100, Issue:4 Topics: Aged, 80 and over; Cystography; Female; Gadolinium; Humans; Laminectomy; Low Back Pain; Lumbar Vertebrae; Magnetic Resonance Imaging; Neurilemmoma; Recurrence; Spinal Cord Neoplasms; Urinary Bladder, Neurogenic; Urinary Catheterization; Urinary Retention; Urinary Tract Infections; Urodynamics	2018
Is an Intravenous Injection of Gadolinium Really Necessary for Intralabyrinthine Schwannomas MR Examination? Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology, 2018, Volume: 39, Issue:7 Topics: Adult; Aged; Contrast Media; Ear, Inner; Female; Gadolinium; Humans; Injections, Intravenous; Magnetic Resonance Imaging; Male; Middle Aged; Neurilemmoma; Retrospective Studies; Young Adult	2018
Intramedullary Schwannoma of Cervical Spinal Cord Presenting Inconspicuous Enhancement with Gadolinium. World neurosurgery, 2019, Volume: 127 Topics: Adult; Cervical Cord; Gadolinium; Humans; Magnetic Resonance Imaging; Male; Neurilemmoma; Spinal Cord Neoplasms	2019
Gadolinium enhanced 3D proton density driven equilibrium MR imaging in the evaluation of cisternal tumor and associated structures: comparison with balanced fast-field-echo sequence. PloS one, 2014, Volume: 9, Issue:7 Topics: Adult; Aged; Contrast Media; Facial Nerve; Female; Gadolinium; Humans; Imaging, Three-Dimensional; Magnetic Resonance Imaging; Male; Meningeal Neoplasms; Meningioma; Middle Aged; Neurilemmoma; Protons; Retrospective Studies; Vestibulocochlear Nerve	2014
Facial nerve schwannoma. Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology, 2009, Volume: 30, Issue:5 Topics: Contrast Media; Cranial Nerve Neoplasms; Diagnosis, Differential; Facial Nerve Diseases; Gadolinium; Humans; Magnetic Resonance Imaging; Neurilemmoma; Tomography, X-Ray Computed	2009
An extreme lateral lumbar disc herniation mimicking L4 schwannoma. Acta neurologica Belgica, 2009, Volume: 109, Issue:2 Topics: Female; Gadolinium; Humans; Intervertebral Disc; Intervertebral Disc Displacement; Lumbar Vertebrae; Magnetic Resonance Imaging; Middle Aged; Neurilemmoma; Pentetic Acid	2009
Imaging characteristics of schwannoma of the cervical sympathetic chain: a review of 12 cases. AJNR. American journal of neuroradiology, 2010, Volume: 31, Issue:8 Topics: Adult; Carotid Arteries; Diagnosis, Differential; Female; Gadolinium; Head and Neck Neoplasms; Humans; Magnetic Resonance Imaging; Male; Middle Aged; Neurilemmoma; Peripheral Nervous System Neoplasms; Retrospective Studies; Superior Cervical Ganglion; Tomography, X-Ray Computed; Vagus Nerve	2010
Giant cystic intradural lumbosacral schwannoma: is stabilization necessary? The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques, 2010, Volume: 37, Issue:4 Topics: Adult; Female; Gadolinium; Humans; Lumbosacral Region; Magnetic Resonance Imaging; Neurilemmoma; Spinal Cord Neoplasms; Tomography, X-Ray Computed	2010
Differential diagnosis and prognosis of T1-weighted post-gadolinium intralabyrinthine hyperintensities. European radiology, 2010, Volume: 20, Issue:11 Topics: Adolescent; Adult; Aged; Contrast Media; Diagnosis, Differential; Ear Neoplasms; Ear, Inner; Female; Gadolinium; Humans; Labyrinth Diseases; Labyrinthitis; Magnetic Resonance Imaging; Male; Middle Aged; Neurilemmoma; Prognosis; Young Adult	2010
Multiple schwannomas in the oral floor: case report. The British journal of oral & maxillofacial surgery, 2011, Volume: 49, Issue:6 Topics: Antigens, CD34; Biopsy; Contrast Media; Gadolinium; Humans; Image Enhancement; Magnetic Resonance Imaging; Male; Middle Aged; Mouth Floor; Mouth Neoplasms; Neoplasms, Multiple Primary; Neurilemmoma; S100 Proteins; Tomography, X-Ray Computed	2011
Imaging findings of neurogenic tumours in the head and neck region. Dento maxillo facial radiology, 2012, Volume: 41, Issue:1 Topics: Adult; Aged; Carotid Arteries; Contrast Media; Diagnostic Imaging; Female; Gadolinium; Head and Neck Neoplasms; Humans; Image Enhancement; Magnetic Resonance Imaging; Male; Middle Aged; Mouth Floor; Mouth Neoplasms; Neurilemmoma; Neurofibroma; Radiographic Image Enhancement; Temporomandibular Joint Disorders; Tomography, X-Ray Computed; Ultrasonography, Doppler	2012
Exophytic third nerve schwannoma mimicking a mesial temporal intra-axial lesion: case report. Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery, 2012, Volume: 28, Issue:3 Topics: Brain Neoplasms; Child, Preschool; Cranial Nerve Neoplasms; Female; Gadolinium; Glioma; Humans; Magnetic Resonance Imaging; Neurilemmoma; Temporal Lobe	2012
Mixed cranial nerve neuroma revealing itself as baroreflex failure. Autonomic neuroscience : basic & clinical, 2006, Dec-30, Volume: 130, Issue:1-2 Topics: Acute Disease; Aged; Baroreflex; Blood Pressure; Cerebellopontine Angle; Contrast Media; Cranial Nerve Neoplasms; Female; Gadolinium; Glossopharyngeal Nerve Diseases; Heart Rate; Humans; Hypertension; Magnetic Resonance Imaging; Neurilemmoma; Phenylephrine; Recurrence; Reflex, Abnormal	2006
Definition of the target sign and its use for the diagnosis of schwannomas. Clinical orthopaedics and related research, 2007, Volume: 464 Topics: Adolescent; Adult; Aged; Aged, 80 and over; Back; Child; Female; Gadolinium; Humans; Magnetic Resonance Imaging; Male; Middle Aged; Neurilemmoma; Retrospective Studies; Sensitivity and Specificity; Soft Tissue Neoplasms; Thigh	2007
Intralabyrinthine schwannoma involving the cochlea, vestibule, and internal auditory canal: 'canalolabyrinthine schwannoma'. European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2009, Volume: 266, Issue:1 Topics: Adult; Cochlea; Ear Neoplasms; Ear, Inner; Female; Follow-Up Studies; Gadolinium; Humans; Labyrinth Diseases; Magnetic Resonance Imaging; Neoplasm Invasiveness; Neurilemmoma; Otologic Surgical Procedures; Radiographic Image Enhancement; Treatment Outcome; Vestibule, Labyrinth	2009
MRI of intraspinal nerve sheath tumours presenting with sciatica. Australasian radiology, 1995, Volume: 39, Issue:3 Topics: Adolescent; Adult; Contrast Media; Female; Gadolinium; Gadolinium DTPA; Humans; Image Enhancement; Low Back Pain; Magnetic Resonance Imaging; Male; Middle Aged; Nerve Sheath Neoplasms; Neurilemmoma; Neurofibroma; Neuroma; Organometallic Compounds; Pentetic Acid; Peripheral Nervous System Neoplasms; Retrospective Studies; Sciatica; Spinal Nerves	1995
Quantitative magnetic resonance imaging of rat brain tumors: in vivo NMR relaxometry for the discrimination of normal and pathological tissues. Technology and health care : official journal of the European Society for Engineering and Medicine, 1994, Volume: 2, Issue:4 Topics: Analysis of Variance; Animals; Brain Edema; Brain Neoplasms; Contrast Media; Diagnosis, Differential; Gadolinium; Gadolinium DTPA; Glioma; Magnetic Resonance Imaging; Magnetic Resonance Spectroscopy; Manganese; Metalloporphyrins; Neurilemmoma; Neuroblastoma; Organometallic Compounds; Pentetic Acid; Rats; Rats, Inbred F344; Tumor Cells, Cultured	1994
Intralabyrinthine schwannoma. Archives of otolaryngology--head & neck surgery, 1994, Volume: 120, Issue:12 Topics: Adult; Audiometry; Biopsy; Gadolinium; Hearing Disorders; Humans; Labyrinth Diseases; Magnetic Resonance Imaging; Male; Neurilemmoma; Postural Balance; Sensation Disorders	1994
Contrast enhancement of brain tumors at different MR field strengths: comparison of 0.5 T and 2.0 T. AJNR. American journal of neuroradiology, 1994, Volume: 15, Issue:8 Topics: Adolescent; Adult; Aged; Artifacts; Brain; Brain Neoplasms; Contrast Media; Drug Combinations; Female; Gadolinium; Gadolinium DTPA; Glioma; Humans; Image Enhancement; Injections, Intravenous; Magnetic Resonance Imaging; Male; Meglumine; Meningioma; Middle Aged; Neurilemmoma; Organometallic Compounds; Pentetic Acid; Prospective Studies	1994
[Neurinomas and neurofibromas of the trigeminal nerve]. RoFo : Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin, 1994, Volume: 160, Issue:5 Topics: Adult; Contrast Media; Cranial Nerve Neoplasms; Female; Gadolinium; Gadolinium DTPA; Humans; Magnetic Resonance Imaging; Male; Middle Aged; Neurilemmoma; Neurofibroma; Organometallic Compounds; Pentetic Acid; Trigeminal Nerve	1994
[Echography and magnetic resonance using gadolinium in a case of benign schwannoma of the sciatic popliteal nerve]. La Radiologia medica, 1995, Volume: 90, Issue:4 Topics: Contrast Media; Gadolinium; Gadolinium DTPA; Humans; Magnetic Resonance Imaging; Male; Middle Aged; Neurilemmoma; Organometallic Compounds; Pentetic Acid; Peripheral Nervous System Neoplasms; Sciatic Nerve; Ultrasonography	1995
[Intraspinal epidermoid cyst]. Journal of neuroradiology = Journal de neuroradiologie, 1997, Volume: 24, Issue:1 Topics: Contrast Media; Diagnosis, Differential; Dura Mater; Ependymoma; Epidermal Cyst; Female; Gadolinium; Gadolinium DTPA; Hemangioblastoma; Humans; Low Back Pain; Magnetic Resonance Imaging; Meningioma; Middle Aged; Neurilemmoma; Organometallic Compounds; Pentetic Acid; Spinal Cord Neoplasms; Spinal Diseases; Spinal Neoplasms; Tomography, X-Ray Computed; Urinary Retention	1997
Schwannoma of the trachea. Journal belge de radiologie, 1997, Volume: 80, Issue:4 Topics: Adult; Contrast Media; Dyspnea; Gadolinium; Humans; Magnetic Resonance Imaging; Male; Neoplasm Invasiveness; Neurilemmoma; Respiratory Sounds; Tomography, X-Ray Computed; Tracheal Neoplasms	1997
Paraganglioma of the cauda equina: MR findings. One case. Journal of neuroradiology = Journal de neuroradiologie, 1997, Volume: 24, Issue:3 Topics: Adult; Cauda Equina; Contrast Media; Diagnosis, Differential; Ependymoma; Gadolinium; Humans; Lumbar Vertebrae; Magnetic Resonance Imaging; Male; Neurilemmoma; Paraganglioma; Peripheral Nervous System Neoplasms	1997
Multiple schwannomas: schwannomatosis or neurofibromatosis type 2? Journal of neurosurgery, 1998, Volume: 89, Issue:1 Topics: Adult; Child; Contrast Media; Diagnosis, Differential; Female; Follow-Up Studies; Gadolinium; Genes, Neurofibromatosis 2; Germ-Line Mutation; Humans; Magnetic Resonance Imaging; Male; Middle Aged; Neoplasm, Residual; Neoplasms, Second Primary; Neurilemmoma; Neurofibromatosis 2; Peripheral Nervous System Neoplasms; Spinal Cord Neoplasms; Treatment Outcome	1998
[XII cranial nerve pseudoneurinoma due to spontaneous fibrous transformation of an aneurysm of the vertebral artery]. Journal of neuroradiology = Journal de neuroradiologie, 1998, Volume: 25, Issue:4 Topics: Aged; Aneurysm; Arteriosclerosis; Contrast Media; Cranial Nerve Neoplasms; Diagnosis, Differential; Fatal Outcome; Fibrosis; Gadolinium; Granuloma; Humans; Hypoglossal Nerve; Magnetic Resonance Angiography; Magnetic Resonance Imaging; Male; Neurilemmoma; Thrombosis; Tomography, X-Ray Computed; Vertebral Artery	1998
Use of contrast in MR imaging of the lumbar spine. Magnetic resonance imaging clinics of North America, 1999, Volume: 7, Issue:3 Topics: Cicatrix; Contrast Media; Cytomegalovirus Infections; Ependymoma; Gadolinium; Humans; Intervertebral Disc Displacement; Low Back Pain; Lumbar Vertebrae; Magnetic Resonance Imaging; Meningioma; Neurilemmoma; Peripheral Nervous System Diseases; Polyradiculoneuropathy; Postoperative Complications; Spinal Cord Compression; Spinal Diseases; Spinal Neoplasms; Spinal Nerve Roots; Spinal Stenosis	1999
A mobile high-field magnetic resonance system for neurosurgery. Journal of neurosurgery, 1999, Volume: 91, Issue:5 Topics: Adult; Aged; Aged, 80 and over; Brain Neoplasms; Cranial Nerve Neoplasms; Evaluation Studies as Topic; Female; Gadolinium; Glioblastoma; Humans; Intraoperative Period; Magnetic Resonance Imaging; Male; Meningeal Neoplasms; Meningioma; Middle Aged; Neurilemmoma; Neurosurgery; Olfactory Nerve Diseases; Oligodendroglioma; Operating Rooms	1999
[MRI screening of vestibular schwannomas without gadolinium: usefulness of the turbo gradient spin echo T2-weighted pulse sequence]. Journal of neuroradiology = Journal de neuroradiologie, 2001, Volume: 28, Issue:2 Topics: Adolescent; Adult; Aged; Ear Neoplasms; Gadolinium; Humans; Magnetic Resonance Imaging; Middle Aged; Neurilemmoma; Vestibule, Labyrinth	2001
Diagnostic potential of contrast MRI in lumbar schwannomas. Connecticut medicine, 1991, Volume: 55, Issue:7 Topics: Adult; Aged; Cauda Equina; Contrast Media; Female; Gadolinium; Humans; Lumbar Vertebrae; Magnetic Resonance Imaging; Male; Middle Aged; Neurilemmoma; Organometallic Compounds; Peripheral Nervous System Neoplasms; Polylysine; Spinal Neoplasms	1991
"Meningeal sign": a characteristic finding of meningiomas on contrast-enhanced MR images. Neuroradiology, 1990, Volume: 32, Issue:2 Topics: Adult; Brain Neoplasms; Contrast Media; Female; Gadolinium; Gadolinium DTPA; Glioma; Humans; Image Enhancement; Magnetic Resonance Imaging; Male; Meningeal Neoplasms; Meninges; Meningioma; Middle Aged; Neurilemmoma; Organometallic Compounds; Pentetic Acid; Retrospective Studies; Sensitivity and Specificity	1990
[A clinical study on the diagnosis of spinal cord tumor using magnetic resonance imaging]. Nihon Seikeigeka Gakkai zasshi, 1989, Volume: 63, Issue:10 Topics: Adolescent; Adult; Aged; Astrocytoma; Contrast Media; Ependymoma; Female; Gadolinium; Gadolinium DTPA; Humans; Magnetic Resonance Imaging; Male; Meningeal Neoplasms; Meningioma; Middle Aged; Neurilemmoma; Organometallic Compounds; Pentetic Acid; Spinal Cord Neoplasms	1989
[Nuclear magnetic resonance tomography using gadolinium-DTPA in the diagnosis of spinal lesions]. RoFo : Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin, 1988, Volume: 148, Issue:4 Topics: Breast Neoplasms; Cicatrix; Contrast Media; Gadolinium; Gadolinium DTPA; Humans; Magnetic Resonance Imaging; Meningeal Neoplasms; Meningioma; Neurilemmoma; Organometallic Compounds; Pentetic Acid; Spinal Cord Diseases; Spinal Cord Neoplasms; Spinal Neoplasms	1988
MR detection of tumor in the internal auditory canal. AJR. American journal of roentgenology, 1987, Volume: 148, Issue:6 Topics: Cerebellar Neoplasms; Cerebellopontine Angle; Cranial Nerve Neoplasms; Ear Canal; Ear Neoplasms; Ear, Inner; Facial Nerve; Gadolinium; Gadolinium DTPA; Humans; Magnetic Resonance Spectroscopy; Meningioma; Neoplasm Invasiveness; Neurilemmoma; Neurofibroma; Neuroma, Acoustic; Organometallic Compounds; Pentetic Acid	1987
Magnetic resonance imaging of spinal meningiomas and neurinomas. Improvement of imaging by paramagnetic contrast enhancement. Journal of neurosurgery, 1987, Volume: 66, Issue:5 Topics: Adult; Aged; Female; Gadolinium; Gadolinium DTPA; Humans; Image Enhancement; Magnetic Resonance Spectroscopy; Male; Meningeal Neoplasms; Meningioma; Middle Aged; Neurilemmoma; Organometallic Compounds; Pentetic Acid; Spinal Cord Neoplasms	1987
Brain tumors: MR imaging with gadolinium-DTPA. Radiology, 1985, Volume: 156, Issue:3 Topics: Adenoma; Adult; Aged; Brain Neoplasms; Female; Gadolinium; Glioma; Hemangiosarcoma; Humans; Magnetic Resonance Spectroscopy; Male; Meningioma; Middle Aged; Neurilemmoma; Pentetic Acid	1985