Journal of Clinical and Diagnostic Research, ISSN - 0973 - 709X

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Original article / research
Year : 2017 | Month : April | Volume : 11 | Issue : 4 | Page : MC01 - MC03

Comparison of Steroid and Itraconazole for Prevention of Recurrence in Allergic Fungal Rhinosinusitis: A Randomized Controlled Trial

Moirangthem Rojita, Swagatika Samal, Pradeep Pradhan, VP Venkatachalam

1. Senior Resident, Department of Otorhinolaryngology, Safdarjung Hospital and Vardhman Mahavir Medical College, Delhi, India. 2. Senior Resident, Department of Pathology, Kalinga Institute of Medical Sciences, Bhubaneswar, Odisha, India. 3. Assistant Professor, Department of Ear Nose and Throat, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India. 4. Professor, Department of Ear Nose and Throat, Safdarjung Hospital and Vardhmann Mahavir Medical College, Delhi, India.

Correspondence Address :
Dr. Pradeep Pradhan,
S1/56, Niladri Vihar, Bhubaneswar-751021, Odisha, India.
E-mail: padiapradhan@gmail.com

Abstract

Introduction: Posterior paranasal sinuses consisting of posterior ethmoid and sphenoid sinuses show varying pneumatization and relationship to Optic Nerve Canal (ONC). Most commonly ONC is superolateral to sphenoid sinus, however varied protrusion of ONC into the sinuses may occur. Rarely it may pass completely through the sinus. Optic Nerve (ON) is covered by a thin bony layer or by periosteum and sinus mucosa without bone. Extensive pneumatization of sphenoid sinus and bony dehiscence predisposes to ON injury. The posterior ethmoid cell namely the Onodi cell is of great surgical importance when the ON is along its lateral wall and surrounds the nerve. These varied relations imply that a detailed knowledge of the intimate relationship of ONC with the posterior paranasal sinuses is necessary to avoid unintentional complications during the surgeries involving the ONC region.

Aim: To assess relationship of ONC to the posterior paranasal sinuses in Indian Ethnic study group.

Materials and Methods: Retrospective review of 100 paranasal sinus Computed Tomography (CT) scans were done using 64 row Multi Detector Computed Tomography (MDCT). Multiplanar reformation images were assessed for ONC relation to posterior ethmoid and sphenoid sinuses, wall dehiscence, and Pneumatization of Anterior Clinoid Process (PACP).

Results: 200 optic nerve canals were assessed and grouped into four types based on the modification of Delano et al., classification. The most common OCN was Type-1 (60%), followed by Type-2 (15%), Type-3 (14%) and Type-4 (11%). Dehiscence was seen in 35(17.5%) mostly in Type-3 canals. PACP was seen in 30 (15%).

Conclusion: Knowledge of ON relationship to posterior paranasal sinuses will reduce the devastating complications during sinus surgeries. Our modified ONC classification is based on the bony canal morphology and the degree of protrusion into sinuses. As with other reported studies worldwide, Type-1 ONC is the commonest among the Indians also. Type-2 and 3 ONC with sinus wall dehiscence and PACP are the most important anatomical variations which may potentially predispose to risk of surgical injury to the optic nerves.

Keywords

Absolute eosinophil count, Antifungals, Endoscopic sinus surgery

How to cite this article :

Moirangthem Rojita, Swagatika Samal, Pradeep Pradhan, VP Venkatachalam. COMPARISON OF STEROID AND ITRACONAZOLE FOR PREVENTION OF RECURRENCE IN ALLERGIC FUNGAL RHINOSINUSITIS: A RANDOMIZED CONTROLLED TRIAL. Journal of Clinical and Diagnostic Research [serial online] 2017 April [cited: 2017 May 23 ]; 11:MC01-MC03. Available from
http://www.jcdr.net/back_issues.asp?issn=0973-709x&year=2017&month=April&volume=11&issue=4&page=MC01-MC03&id=9610

DOI and Others

DOI: 10.7860/JCDR/2017/23488.9610


Date of Submission: Aug 18, 2016
Date of Peer Review: Sep 06, 2016
Date of Acceptance: Jan 20, 2017
Date of Publishing: Apr 01, 2017

Financial OR OTHER COMPETING INTERESTS: None.

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