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Imaging The Paranasal Sinuses. Iria 2008

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Dr. Himadri Sikhor Das
Dr. Himadri Sikhor Das
1 of 58
CT & MR Imaging of the Paranasal Sinuses with special reference to FESS Dr Himadri Sikhor Das, Dr P.Hatimota,Dr P.Hazarika,Dr C.D.Choudhury MATRIX
Contents ,[object Object],[object Object],[object Object],[object Object],[object Object]
Paranasal sinuses ,[object Object],[object Object],[object Object],[object Object],[object Object]
HRCT scan protocol Protocol: Axial Coronal: Protocol
Axial CT
Coronal HRCT for OMU
Sagittal
Coronal HRCT
Normal nasal cycle: periodic alternate functioning of secretory activity nonfunctioning functioning
Basic Concept of FESS: ,[object Object],[object Object]
Osteomeatal unit/complex (OMU/OMC) ,[object Object],[object Object],[object Object],[object Object]
HRCT-Sinonasal anatomy
HRCT-Sinonasal anatomy
Nasal Endoscopy
Anatomical Variants
Anatomical Variants
Anatomical Variants
Look for :
Concha bullosa with type-II OF
Surgical therapy for sino-nasal diseases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
FESS: Complications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
FESS: Complications
FESS: Complications
Sinusitis & Sino nasal diseases
Pathophysiology ,[object Object],[object Object],[object Object]
Sinusitis: inflammation/infection of 1 or more paranasal sinuses ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Plain film ,[object Object],[object Object]
- lateral and submentovertex for sphenoid
Sinusitis
Inflammatory sinonasal disease ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
High dense foci in CT & signal void on MRI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Chronic inspissated mucus ,[object Object],[object Object],[object Object],[object Object]
 
 
Sinonasal polypoidal lesions
Polyps
AC & SC polyps
Antrochoanal polyp
Spheno-choanal Polyp
Sinonasal polyposis
Sinusitis: Local complications ,[object Object],[object Object],[object Object],[object Object],[object Object]
Sinusitis: Local complications ,[object Object],[object Object],[object Object],[object Object],[object Object]
Mucocele
 
 
Sinusitis: other complications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Preseptal& orbital cellulitis
 
Fungal Sinusitis: Non invasive forms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
 
Fungal Sinusitis: Invasive forms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Allergic Fungal Sinusitis
 
 
 
Thank You !!

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