| 2011-08 | Active Bending Endoscope Robot System for Navigation through Sinus Area | 이승환 |
| 2011-05 | ADH1B and ALDH2 polymorphisms and their associations with increased risk of squamous cell carcinoma of the head and neck in the Korean population | 이승환 |
| 2015-06 | Association between ADH1B and ADH1C polymorphisms and the risk of head and neck squamous cell carcinoma | 이승환 |
| 2011-09 | The Association of Anterior Inferior Cerebellar Artery in Internal Auditory Canal with Tinnitus and Hearing Loss | 이승환 |
| 2021-01 | Association of Hypertension With the Risk and Severity of Epistaxis | 이승환 |
| 2011-06 | Bilateral cochlear implantation in a patient with bilateral temporal bone fractures | 이승환 |
| 2012-12 | Cancer Stem Cell-Like Cells Exist in Mucoepidermoid Carcinoma Cell Line MC3 | 이승환 |
| 2013-12 | A Case of Auditory Neuropathy with Recovery of Normal Hearing | 이승환 |
| 2012-12 | A case of linear scleroderma involving cerebellum with vertigo | 이승환 |
| 2014-07 | A case of otogenic brain abscess causing loss of consciousness | 이승환 |
| 2011-10 | Change of telomerase activity in peripheral whole blood of head and neck squamous cell carcinoma patients before and after surgery: a pilot study | 이승환 |
| 2017-12 | Characteristic MR findings suggesting presumed labyrinthine hemorrhage | 이승환 |
| 2017-07 | Client Oriented Scale of Improvement의 한글 번역 및 표준화 | 이승환 |
| 2013-12 | Clinical Application of 3D-FIESTA Image in Patients with Unilateral Inner Ear Symptom | 이승환 |
| 2019-12 | Clinical Characteristics of External Auditory Canal Foreign Bodies in Children and Adolescents | 이승환 |
| 2020-12 | Clinical Characteristics of External Auditory Canal Foreign Bodies in Children and Adolescents | 이승환 |
| 2020-05 | Clinical implications of posterior semicircular canal function in idiopathic sudden sensorineural hearing loss | 이승환 |
| 2017-06 | Clinical Significance of Arterial Stiffness and Metabolic Syndrome Scores in Vestibular Neuritis | 이승환 |
| 2016-08 | Clinical significance of arterial stiffness in idiopathic sudden sensorineural hearing loss | 이승환 |
| 2018-08 | Clinical value of 4-hour delayed gadolinium-Enhanced 3D FLAIR MR Images in Acute Vestibular Neuritis | 이승환 |
| 2019-05 | The clinical value of 4-hour delayed-enhanced 3D-FLAIR MR images in sudden hearing loss. | 이승환 |
| 2011-12 | The combination effects of early intratympanic dexamethasone injection for the patients with sudden sensorineural hearing loss | 이승환 |
| 2016-04 | Comparative analysis of the expression of E-cadherin, beta-catenin, and beta 1 integrin in congenital and acquired cholesteatoma | 이승환 |
| 2012-12 | Comparative Analysis of the Expression of Involucrin, Filaggrin and Cytokeratin 4, 10, 16 in Cholesteatoma | 이승환 |
| 2015-12 | Comparison of Inner Ear Contrast Enhancement among Patients with Unilateral Inner Ear Symptoms in MR Images Obtained 10 Minutes and 4 Hours after Gadolinium Injection | 이승환 |
| 2012-05 | Early surgical outcomes of robotic thyroidectomy by a gasless unilateral axillo-breast or axillary approach for papillary thyroid carcinoma: 2 years' experience | 이승환 |
| 2012-12 | Early surgical outcomes of robotic thyroidectomy by a gasless unilateral axillo-breast or axillary approach for papillary thyroid carcinoma: 2 years' experience | 이승환 |
| 2020-03 | Effect of Diabetes on the Prognosis of Sudden Sensorineural Hearing Loss: Propensity Score Matching Analysis | 이승환 |
| 2017-10 | The Effectiveness of Budesonide Nasal Irrigation After Endoscopic Sinus Surgery in Chronic Rhinosinusitis With Asthma | 이승환 |
| 2020-06 | Efficacy of Transcartilaginous Electrodes for Intraoperative Neural Monitoring During Thyroid Surgery | 이승환 |
