Detection of Cholesteatoma Using Diffusion Magnetic Resonance Imaging
NCT ID: NCT03305796
Last Updated: 2017-10-10
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
30 participants
OBSERVATIONAL
2017-11-30
2019-02-28
Brief Summary
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Detailed Description
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Standard magnetic resonance imaging shows tissues better than computerized tomography,Therefore in patients with cholesteatoma, magnetic resonance imaging plays a complementary role to computerized tomography in the diagnostic workup, Although computerized tomography provides excellent Bony resolution for showing the anatomy, magnetic resonance imaging provides specificity in characterizing soft-tissue abnormalities shown on computerized tomography,How ever standard magnetic resonance imaging frequently fails to allow differentiation of cholesteatoma from other soft tissues or mucoid secretions, particularly in patients who had ear surgery.
Recent studies of diffusion weighted magnetic resonance imaging show that it is sensitive to cholesteatoma tissue.Recent studies highlights the ability of diffusion weighted magnetic resonance imaging in differentiating cholesteatoma from granulation tissue in patients who have undergone mastoidectomy and also these imaging modalities help in the diagnosis of residual cholesteatoma. Diffusion weighted magnetic resonance imaging play an important role in diagnosis of retraction pockets .
Diffusion weighted magnetic resonance imaging is based on the principle of random microscopic motion (Brownian motion) of water molecules.This "diffusion" of water molecules differs in each biological tissue, For example water molecules in cholesteatoma are less mobile giving rise to a hyper-intense signal, while in other tissues as granulation tissues, water molecules are more mobile thus appear less intense on diffusion weighted magnetic resonance imaging sequence.
Conditions
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Study Design
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CASE_ONLY
PROSPECTIVE
Interventions
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Diffusion magnetic resonance imaging
Patients with suspected cholesteatoma will have diffusion magnetic resonance imaging
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
ALL
No
Sponsors
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Assiut University
OTHER
Responsible Party
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Amer Ragab Ahmed
Principle Investigator
Principal Investigators
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amer ragab, resident
Role: PRINCIPAL_INVESTIGATOR
Assiut University
Central Contacts
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References
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Alexander AE Jr, Caldemeyer KS, Rigby P. Clinical and surgical application of reformatted high-resolution CT of the temporal bone. Neuroimaging Clin N Am. 1998 Aug;8(3):631-50.
Nevoux J, Lenoir M, Roger G, Denoyelle F, Ducou Le Pointe H, Garabedian EN. Childhood cholesteatoma. Eur Ann Otorhinolaryngol Head Neck Dis. 2010 Sep;127(4):143-50. doi: 10.1016/j.anorl.2010.07.001. Epub 2010 Aug 11.
Thomassin JM, Braccini F. [Role of imaging and endoscopy in the follow up and management of cholesteatomas operated by closed technique]. Rev Laryngol Otol Rhinol (Bord). 1999;120(2):75-81. French.
Blaney SP, Tierney P, Oyarazabal M, Bowdler DA. CT scanning in "second look" combined approach tympanoplasty. Rev Laryngol Otol Rhinol (Bord). 2000;121(2):79-81.
Vanden Abeele D, Coen E, Parizel PM, Van de Heyning P. Can MRI replace a second look operation in cholesteatoma surgery? Acta Otolaryngol. 1999;119(5):555-61. doi: 10.1080/00016489950180784.
Kimitsuki T, Suda Y, Kawano H, Tono T, Komune S. Correlation between MRI findings and second-Look operation in cholesteatoma surgery. ORL J Otorhinolaryngol Relat Spec. 2001 Sep-Oct;63(5):291-3. doi: 10.1159/000055760.
Bergui M, Zhong J, Bradac GB, Sales S. Diffusion-weighted images of intracranial cyst-like lesions. Neuroradiology. 2001 Oct;43(10):824-9. doi: 10.1007/s002340100595.
Alzahrani M, Saliba I. Tympanic membrane retraction pocket staging: is it worthwhile? Eur Arch Otorhinolaryngol. 2014 Jun;271(6):1361-8. doi: 10.1007/s00405-013-2644-4. Epub 2013 Jul 27.
Bammer R. Basic principles of diffusion-weighted imaging. Eur J Radiol. 2003 Mar;45(3):169-84. doi: 10.1016/s0720-048x(02)00303-0.
De Foer B, Vercruysse JP, Bernaerts A, Maes J, Deckers F, Michiels J, Somers T, Pouillon M, Offeciers E, Casselman JW. The value of single-shot turbo spin-echo diffusion-weighted MR imaging in the detection of middle ear cholesteatoma. Neuroradiology. 2007 Oct;49(10):841-8. doi: 10.1007/s00234-007-0268-3. Epub 2007 Sep 3.
Other Identifiers
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Cholesteatoma
Identifier Type: -
Identifier Source: org_study_id