<p class="abstract"><strong>Background:</strong> The objective of the study was <span lang="EN-IN">to evaluate the role of radiological imaging in correlation with clinical finding in assessing the severity of nasal and paranasal diseases and in differentiating benign pathologies from malignant sinonasal masses. </span></p><p class="abstract"><strong>Methods:</strong> <span lang="EN-IN">In this study 50 patients with complaints of nasal obstruction , nasal discharge, epistaxis were subjected to detailed clinical examination and evaluated radio logically with X ray PNS, CT and MRI of PNS and biopsy taken from nasal and paranasal masses for histopathological confirmation. </span></p><p class="abstract"><strong>Results:</strong> <span lang="EN-IN">The main presenting complaints were nasal obstruction (82%) followed by nasal discharge (66%), headache and allergic symptoms (52%). The most common type of disease involving nose and paranasal sinuses was inflammatory disease (86%), followed by benign disease (10%) and malignant disease were found in (4%) of cases. The most common benign disease involving nose and paranasal sinuses were inverted papilloma (80%), followed by hemangioma of nasal septum (20%). The most common radiological pattern of sinus involvement is osteomeatal type seen in 38% of cases, followed by unclassified pattern in 23.8%.Maxillary sinuses were most commonly involved in the study 82% cases. </span></p><p class="abstract"><strong>Conclusions:</strong> <span lang="EN-IN">CT is the modality of choice in imaging the paranasal sinuses for evaluating the chronic diseases and associated complication and provides a reliable pre-operative road map. MR imaging plays a critical role in evaluation of sino nasal tumors.</span></p>

<p class="abstract"><strong><span lang="EN-US">Background: </span></strong>Pathological lesions of the paranasal sinuses include a wide spectrum of conditions ranging from inflammation to neoplasms both benign and malignant. Most patient of common cold present with symptoms of nasal discharge, nasal obstruction, headache and nasal allergy etc. The patient of paranasal mass usually present with facial deformity, swelling or repeated episodes of epistaxis. The aim of the study was to establish the role of CT in evaluation of pathologies and their proper early diagnosis.</p><p class="abstract"><strong><span lang="EN-US">Methods:</span></strong> It is a prospective study. A total of 100 patients who were referred to our department with clinical suspicion of PNS disease underwent CT evaluation of PNS using 64 multi slice CT scanner from December 2012 to October 2015. </p><p class="abstract"><strong><span lang="EN-US">Results: </span></strong>Out of 100 cases 51 (51%) cases were males and rest 49 (49%) patients were females. The majority of the cases were of age group 16-30 which were 37case (37%) The most common symptoms were nasal obstruction (50%), followed by nasal discharge (49%), headache in 20% cases. Most common anatomical variations seen was deviated nasal septum (49%) more commonly on right side next common was agger nasi in 48% of cases. Maxillary sinuses are most commonly involved in the study (82 cases), followed by the ethmoid sinuses (ant. group 77 cases, post group 40 case) and frontal sinus 55 cases. The most common pathology seen was masses in 30% cases followed by DNS in 21% cases. The most common form of mucosal thickening noted is circumferential type seen in 7% cases. The most common pathology involving the sinuses was sinusitis (30%) followed by polyp (25%).</p><p class="abstract"><strong><span lang="EN-US">Conclusions: </span></strong>Most of the patients with PNS pathology were from 2^nd and 3^rd decade. Slight male preponderance was noted. Majority of the patients presented with nasal obstruction. Most common anatomical variant seen was DNS. Most common sinus involved was maxillary. Sinonasal pathologies were the most common followed by pure nasal or pure sinosal. The most common pathology was inflammatory (74%). The most common benign pathologies were polyps with 92% accuracy. 15% of cases had malignancy with diagnostic accuracy of 90%.</p>

<p class="abstract"><strong>Background:</strong> The purpose of this study was to assess the effect of surgery for nasal obstruction in improving Eustachian tube function and middle ear ventilation.</p><p class="abstract"><strong>Methods:</strong> This prospective study involved 60 patients with different nasal pathologies causing nasal obstruction along with complaints of ear fullness. In required cases the nasal pathologies were surgically managed. Pre and postoperative impedance audiometric evaluation and nasal endoscopy were done to assess the eustachian tube function, changes the value of middle ear pressure and ear fullness sensation at 1 month and at 3 months after surgery.  </p><p class="abstract"><strong>Results:</strong> Preoperatively, 56 (93.3%) patients had sensation of ear fullness, postoperatively at 1 month and at 3 months after nasal surgery only 20 (33.3%) patient and 18 (30%) respectively, has sensation of ear fullness, with significant improvement (p&lt;0.05). Preoperatively, 74 (61.6%) ears were type A tympanogram, 50 ears of them had poor eustachian tube function and 24 ears had good Eustachian tube function. 42 (35%) ears were type C, 4 (3.3%) ear were type B tympanogram, all of them had poor eustachian tube function. The postoperative results of eustachian tube function test and tympanometric value were significantly better than preoperative results (p&lt;0.05).</p><p class="abstract"><strong>Conclusions:</strong> We find out that nasal obstruction has a definite relationship with eustachian tube function. Surgery for nasal obstruction has a favourable effect on the middle ear pressure and eustachian tube function. Corrective surgery for nasal obstruction should be considered at least 1 month before undertaking the middle ear surgery to improve middle ear ventilation.</p>

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