Publications by authors named "Chiranjib Das"

Schwannoma is a benign tumor originating from Schwann cells of the nerve sheath. Approximately 25-45% of the schwannomas are seen in the head and neck region and are found rarely in the oral cavity (only 1%). The most common intra-oral site is tongue, followed by floor of the mouth, buccal mucosa, palate, gingiva and lips.

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The principal treatment for active tubotympanic CSOM is meticulous aural toilet and instillation of a topical antimicrobial agent. The aim of the study is to evaluate the current bacteriological profile of active tubotympanic CSOM and the sensitivity pattern to most of the currently available antibiotics. We conducted a prospective study in a tertiary care hospital in the northern part of West Bengal.

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Allergic rhinitis (AR) is one of the most common types of allergy worldwide. It has significant negative impact on the quality of life (QOL). One of the available causal treatments of AR is allergen specific immunotherapy which remains effective even after the end of treatment course, unlike symptomatic drugs.

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An analytical and cold model study of a prototype extended vane rod-type RFQ (radio frequency quadrupole linac) is presented. The bead-pull measurement allowed us to experimentally determine the effect of shaping of the vane-supporting posts and, most interestingly, the size of the vacuum enclosure in the dipolar and quadrupolar field asymmetry. Disk shaped beads of BaTiO have been tailor made for this purpose.

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Rhinosporidiosis is a chronic granulomatous disease caused by . It usually presents as sessile or pedunculated granular polyp, red in colour with multiple yellowish pin-head sized dots. Atypical presentations due to involvement of extra-nasal sites may produce diagnostic dilemma.

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Conidiobolomycosis is a rare mycotic disease caused by . Very few cases have been reported in English literature. Often it is clinically misdiagnosed as soft tissue tumour.

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Pre-auricular sinus usually presents in front of the auricle without any diagnostic dilemma. But confusion arises when it presents with post-auricular swelling, abscess or discharging sinus. Here we describe series of pre-auricular sinus with post-auricular extension, a "variant type" of pre-auricular sinus and their management.

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Canal wall down (CWD) mastoidectomy is the operation of choice for unsafe variety of chronic otitis media. But open mastoid cavity poses many problems. The solution of these problems is obliteration of mastoid cavity that is self-cleaning and easily maintained.

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Odontogenic tumours are a group of heterogeneous diseases that range from hamartomatous or non-neoplastic tissue proliferations to benign neoplasms to malignant tumours with metastatic potential. They are rare, comprising about <2-3% of all oral and maxillofacial biopsy specimens. The aim of the present study was to determine the clinico-pathological presentation of this heterogeneous group of lesions and review of literature.

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Cut throat injuries are one of the emergency conditions managed by ENT specialists. If not treated in time, they may lead to death. Prevention of these complications depends on immediate resuscitation by securing the airway by tracheostomy or intubation, prompt control of hemorrhage and blood replacement.

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Brain abscess is the ultimate otogenic complication, both in severity and difficulty of management. In developing countries with high incidence of cholesteatoma, brain abscess is not a rare complication. In India, brain abscesses constitute about 8 % of all intracranial lesions.

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Background: Dengue fever (DF) has become a significant resurgent tropical disease in the past 20 years all over the globe. The recent outbreak in West Bengal has once again underlined our failure in vector control and prevention. Our study outlines the clinical spectrum as well as the geographical expansion of the disease beyond urban confines.

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The endoscopic dacryocystorhinostomy (DCR) has distinct advantage over external DCR. There is no ugly scar on the face, less intraoperative bleeding, it is a daycare procedure and patient is discharged on the same day evening. Endoscopic DCR is considered to be a superior alternative technique to the conventional external DCR.

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