ENT (Otorhinolaryngology) thesis topics offer a rich blend of clinical, surgical, and diagnostic research opportunities for MD, MS, and DNB postgraduate students. Whether you are interested in ear disorders, rhinology, laryngology, or head and neck oncology, ENT provides diverse, patient-accessible research options that can be completed within your residency period. This guide presents the top 50 ENT thesis topics for 2026 — organised by subspecialty — with practical guidance on choosing the right one for your setting.
1Why ENT is a Great Choice for Your PG Thesis
ENT departments in most Indian medical colleges see a high volume of outpatients daily — making patient recruitment feasible for most study designs. You have a rich mix of prospective observational, retrospective, and interventional study options across a wide range of age groups.
ENT thesis research is also unique because it covers both medical and surgical conditions, giving you access to objective diagnostic tools like pure tone audiometry, tympanometry, nasal endoscopy, and laryngoscopy — all of which generate quantifiable, measurable data ideal for statistical analysis.
ENT offers a wide variety of study designs — cross-sectional, case-control, cohort, and RCTs — across different subspecialties. This flexibility makes it easier to find a feasible, IEC-approvable topic within your available time and resources.
2How to Choose the Right ENT Thesis Topic
Choosing the right thesis topic is the single most important decision in your postgraduate research journey. A good ENT thesis topic must be feasible, original, and clinically meaningful. Here is what to consider:
✅ Patient Availability
Ensure your department sees enough patients with the condition you plan to study. A topic on a rare condition may sound impressive but could stall your research due to insufficient sample size within your timeline.
✅ Equipment Availability
Confirm that the diagnostic equipment your study requires — audiometer, tympanometer, endoscope, CT/MRI access — is available and functional in your institution. Equipment downtime is one of the most common thesis delays.
✅ IEC Feasibility
Topics involving interventions, new drugs, or paediatric patients require more detailed IEC submissions. Observational and diagnostic accuracy studies are generally faster to get approved.
✅ Originality
Search PubMed and Shodhganga to ensure your topic has not been studied extensively in your population. A local validation study or comparison of two common surgical techniques can be highly original without being overly ambitious.
Discuss 3–4 shortlisted topics with your thesis guide before finalising. Ask specifically: "Is this feasible in our setup within 18 months?" — this single question will eliminate most impractical ideas.
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3Top 50 ENT Thesis Topics for 2026
The following topics are organised by subspecialty for easy navigation. Each topic is suitable for a prospective or retrospective study design at a tertiary care ENT department.
👂 Otology & Ear Disorders (Topics 1–12)
| # | Thesis Topic | Study Type |
|---|---|---|
| 1 | Audiological profile of patients with chronic suppurative otitis media (CSOM) — tubotympanic vs atticoantral type | Cross-sectional |
| 2 | Comparison of hearing outcomes following type I tympanoplasty with and without cortical mastoidectomy | Prospective comparative |
| 3 | Prevalence and pattern of sensorineural hearing loss in Type 2 diabetes mellitus patients | Case-control |
| 4 | Pure tone audiometry findings in patients on aminoglycoside therapy — a prospective study | Prospective cohort |
| 5 | Correlation of pre-operative CT temporal bone findings with intraoperative findings in CSOM with cholesteatoma | Diagnostic accuracy |
| 6 | Otoacoustic emissions (OAE) as a screening tool for early sensorineural hearing loss in industrial workers | Cross-sectional |
| 7 | Outcomes of endoscopic ear surgery versus microscopic ear surgery in chronic otitis media | Prospective comparative |
| 8 | Tympanometric profile in children with recurrent acute otitis media | Cross-sectional |
| 9 | Audiological evaluation of tinnitus patients: correlation with severity and quality of life | Cross-sectional |
| 10 | Pattern of hearing loss in elderly patients above 60 years — a presbycusis profiling study | Descriptive cross-sectional |
| 11 | Evaluation of vestibular function by VEMP and videonystagmography in BPPV patients | Diagnostic study |
| 12 | Surgical outcomes and complications of canal wall down mastoidectomy — a 3-year retrospective study | Retrospective |
👃 Rhinology & Nose (Topics 13–24)
| # | Thesis Topic | Study Type |
|---|---|---|
| 13 | Endoscopic findings and CT PNS correlation in patients with chronic rhinosinusitis | Diagnostic accuracy |
| 14 | Functional outcomes of FESS in chronic rhinosinusitis — a prospective 6-month follow-up study | Prospective interventional |
| 15 | Prevalence of allergic rhinitis and its correlation with serum IgE levels in a tertiary care hospital | Cross-sectional |
| 16 | Comparison of septoplasty alone vs septoplasty with inferior turbinate reduction in nasal obstruction | Prospective comparative |
| 17 | Role of nasal endoscopy in evaluation of unilateral nasal mass — a clinicopathological study | Descriptive observational |
| 18 | Olfactory dysfunction in COVID-19 recovered patients — prevalence and recovery pattern | Cross-sectional |
| 19 | Sinonasal polyposis: correlation of CT Lund-Mackay score with symptom severity and surgical outcomes | Prospective study |
| 20 | Angiofibroma of nasopharynx: surgical approaches, recurrence, and outcomes — a retrospective analysis | Retrospective |
| 21 | Bacteriological profile of chronic rhinosinusitis and antibiotic sensitivity patterns | Cross-sectional |
| 22 | Evaluation of CSF rhinorrhoea: aetiology, diagnosis, and endoscopic repair outcomes | Retrospective |
| 23 | Nasal septal deviation patterns and their correlation with rhinosinusitis on CT scan | Cross-sectional |
| 24 | Epistaxis management in a tertiary care centre — aetiology, treatment, and outcomes | Retrospective |
🗣️ Laryngology & Throat (Topics 25–35)
| # | Thesis Topic | Study Type |
|---|---|---|
| 25 | Laryngoscopic findings and vocal cord changes in patients with laryngopharyngeal reflux (LPR) | Cross-sectional |
| 26 | Comparison of microlaryngoscopy outcomes in vocal cord polyp vs vocal cord nodule | Prospective comparative |
| 27 | Prevalence of dysphagia and its grading in post-stroke patients — correlation with nutritional status | Cross-sectional |
| 28 | Video laryngoscopy vs direct laryngoscopy for difficult airway management in ENT surgeries | Prospective RCT |
| 29 | Outcomes of transoral robotic surgery vs conventional surgery in oropharyngeal carcinoma | Retrospective comparative |
| 30 | Laryngeal papillomatosis in children — pattern, recurrence, and management outcomes | Retrospective case series |
| 31 | Voice outcomes after thyroplasty for unilateral vocal cord paralysis | Prospective interventional |
| 32 | Endoscopic laryngeal findings in patients with chronic cough — a prospective study | Cross-sectional |
| 33 | Obstructive sleep apnoea: correlation of Epworth Sleepiness Scale with polysomnography findings | Diagnostic correlation |
| 34 | Paediatric tracheostomy — indications, complications, and decannulation outcomes | Retrospective |
| 35 | Quality of voice in professional voice users — acoustic analysis and laryngoscopic correlation | Cross-sectional |
🏥 Head & Neck Surgery / Oncology (Topics 36–45)
| # | Thesis Topic | Study Type |
|---|---|---|
| 36 | Clinicopathological profile and surgical outcomes of carcinoma of the larynx in a tertiary care centre | Retrospective descriptive |
| 37 | Neck dissection in oral cavity and oropharyngeal cancers — patterns of nodal metastasis and surgical margins | Retrospective |
| 38 | Parotid gland tumours — histopathological spectrum and surgical outcomes of parotidectomy | Retrospective case series |
| 39 | Thyroid swellings: correlation of FNAC with post-operative histopathology | Diagnostic accuracy |
| 40 | Facial nerve monitoring in parotid gland surgery — impact on outcomes and complications | Prospective comparative |
| 41 | Cervical lymphadenopathy in a tertiary care setting — aetiology, diagnostic approach, and outcomes | Cross-sectional |
| 42 | Quality of life assessment in patients with head and neck cancer after multimodality treatment | Prospective observational |
| 43 | Salivary gland calculi — clinical profile, imaging correlation, and outcomes of sialadenectomy | Retrospective |
| 44 | Flap reconstruction outcomes following total laryngectomy — pectoralis major vs free flap | Retrospective comparative |
| 45 | HPV association in oropharyngeal carcinoma — prevalence and its impact on prognosis | Observational |
👶 Paediatric ENT (Topics 46–50)
| # | Thesis Topic | Study Type |
|---|---|---|
| 46 | Adenoid hypertrophy in children — grading, symptom correlation, and outcomes of adenoidectomy | Prospective observational |
| 47 | Universal neonatal hearing screening using OAE — detection rate and follow-up compliance | Cross-sectional |
| 48 | Tonsil grading and correlation with apnoea-hypopnoea index in children with OSA | Diagnostic correlation |
| 49 | Foreign body in ear, nose, and throat in the paediatric age group — pattern and management | Retrospective descriptive |
| 50 | Grommet insertion for otitis media with effusion in children — hearing outcomes and extrusion rates | Prospective follow-up |
The best ENT thesis topic is not the most complex — it is the one most feasible in your setting, most likely to recruit patients on time, and most likely to be completed before your exit exam.
4Methodology Tips for ENT Thesis Research
Once you have finalised your ENT thesis topic, your study design and methodology determine whether you graduate on time. Here are the key methodological points every ENT PG must know:
📋 Study Design
Most ENT topics are suited to cross-sectional, prospective observational, or retrospective designs. Randomised controlled trials are feasible for surgical comparisons but require more IEC rigor and longer timelines. Match your design to your recruitment capacity.
📊 Sample Size Calculation
Every ENT thesis requires a sample size calculation in the Methods section. Use published prevalence data from similar Indian studies. For comparative studies, use the two-proportion or two-mean formula based on your primary outcome. OpenEpi and G*Power are free tools for this.
🔬 Outcome Measures
ENT research has excellent objective outcome tools — pure tone average (PTA) for hearing, SNOT-22 for sinonasal symptoms, GRBAS scale for voice, Epworth Sleepiness Scale for OSA, and WHO QoL questionnaires for head and neck oncology. Use validated, published tools wherever possible.
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5Common Mistakes ENT PG Students Make in Thesis Research
- Choosing a topic with too few patients: Rare ENT conditions sound impressive but leave you scrambling for sample size. Always estimate patient load from OPD registers before finalising your topic.
- Not accounting for equipment downtime: If your study depends on a tympanometer or audiometer that frequently breaks down, build a buffer period into your timeline or arrange a backup site.
- Using non-validated questionnaires: Always use published, validated tools (SNOT-22, GRBAS, Tinnitus Handicap Inventory) rather than designing your own questionnaire — this avoids IEC delays and examiner questions.
- Forgetting consent and ethical considerations: All ENT studies involving patients require written informed consent and IEC approval, even purely observational studies. Do not start data collection before approval.
- Ignoring exclusion criteria: Clearly define your exclusion criteria (e.g., exclude patients who had prior surgery) to avoid confounding results and examiner objections during your viva.
❓ Frequently Asked Questions
Quick answers to common questions about ENT thesis topics
Topics in rhinology (FESS outcomes, chronic rhinosinusitis) and otology (tympanoplasty outcomes, CSOM audiological profile) are ideal for 3-year MD programmes because patient load is high, data collection is straightforward, and well-established outcome tools are available. Avoid topics requiring long follow-up periods unless your programme is 3 years with data collection starting in year 1.
Yes — retrospective studies are fully acceptable for MD/MS/DNB ENT theses and are actually very common. They are faster, require no patient consent for data already collected (though IEC approval is still needed), and work well for surgical outcome analyses and case series. The limitation is data quality depends entirely on the completeness of existing records.
Common tests in ENT research include: Chi-square/Fisher's exact for categorical comparisons (e.g., complication rates between two surgical groups), paired t-test for pre-post hearing outcomes, Mann-Whitney U for non-normally distributed audiological data, Pearson/Spearman correlation for symptom-severity correlations, and ROC analysis for diagnostic accuracy studies. SPSS version 26 or 27 is the standard software.
Yes — IEC (Institutional Ethics Committee) approval is mandatory for all ENT thesis studies involving human participants, including purely observational and retrospective studies. Your university will not accept a thesis without proper IEC clearance. Obtain IEC approval before starting any data collection.
Sample size depends on your study design and primary outcome. For cross-sectional studies, use the prevalence formula with a published prevalence rate from a similar Indian study. For comparative studies, use the two-proportion formula (categorical outcome) or two-mean formula (continuous outcome). Free tools: OpenEpi, G*Power, or Raosoft. Always get your guide's approval before finalising the sample size.
Yes! PubMedico provides end-to-end ENT thesis support — topic shortlisting, synopsis writing, IEC application help, proforma design, SPSS statistical analysis, results chapter writing, and final thesis compilation. Trusted by 580+ MD/MS/DNB scholars. WhatsApp: +91 96642 99381.