Keun‐Ik Yi

ORCID: 0000-0002-7924-5646
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About
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Research Areas
  • Head and Neck Surgical Oncology
  • Sinusitis and nasal conditions
  • Head and Neck Cancer Studies
  • Oral and Maxillofacial Pathology
  • Nasal Surgery and Airway Studies
  • Bone Tumor Diagnosis and Treatments
  • Thyroid and Parathyroid Surgery
  • Meningioma and schwannoma management
  • Reconstructive Facial Surgery Techniques
  • Salivary Gland Tumors Diagnosis and Treatment
  • Ear and Head Tumors
  • Neurofibromatosis and Schwannoma Cases
  • Thyroid Cancer Diagnosis and Treatment
  • Ear Surgery and Otitis Media
  • Facial Nerve Paralysis Treatment and Research
  • Head and Neck Anomalies
  • Traumatic Ocular and Foreign Body Injuries
  • Intracerebral and Subarachnoid Hemorrhage Research
  • Inflammasome and immune disorders
  • Foreign Body Medical Cases
  • Intracranial Aneurysms: Treatment and Complications
  • Vascular Tumors and Angiosarcomas
  • Vascular Procedures and Complications
  • Nonmelanoma Skin Cancer Studies
  • Dermatology and Skin Diseases

Pusan National University Yangsan Hospital
2019-2023

Jiangxi Provincial Cancer Hospital
2019-2023

Inje University Haeundae Paik Hospital
2020-2023

Inje University
2023

Pusan National University Hospital
2014-2019

Nanchang University
2019

Pusan National University
2015-2017

Abstract Objectives Current preoperative diagnosis of thyroid nodules remains imperfect despite recent advances in cytopathology and molecular diagnostics. False positivity fine‐needle aspiration cytology ( FNAC ) may lead to overtreatment patients, including total thyroidectomy, sometimes lawsuits for misdiagnosis malpractice. In this study, we analysed clinical characteristics pathologic findings patients with false papillary carcinoma PTC . Methods We retrospectively reviewed permanent...

10.1111/coa.12840 article EN Clinical Otolaryngology 2017-01-28

Correction of the caudal septum deviation is most difficult part septoplasty and a common cause revision septoplasty. The purpose this study was to present authors' preliminary results in treatment patients with septal using cartilage traction suture technique.Prospective, single center, observational study.Sixty-seven underwent technique endonasal After removal excessive cartilage, L-strut sutured at two or more points 5-0 Vicryl on modified Killian incision site. Subjective outcomes visual...

10.1002/lary.28516 article EN The Laryngoscope 2020-02-10

Abstract Background To compare the efficacy of regional chemotherapy through superficial temporal artery and systemic in patients with advanced maxillary sinus cancer. Methods Nine 22 over TNM stage III cancer received 13 systemically. The change tumor volume, degree response according to location, side effects after were analyzed. Results Tumor volume reduction was significantly higher than chemotherapy. greater most wall. anterior, posterior, lateral wall more two times There no severe...

10.1002/hed.25752 article EN Head & Neck 2019-03-29

We aimed to explore the prognostic value of metabolic heterogeneity 18F-FDG uptake in chemoradiotherapy-treated pharyngeal cancer patients.This study included 52 consecutive patients with who underwent PET/CT before definitive chemoradiotherapy. The factor (HF) was defined as derivative (dV/dT) a volume-threshold function for primary tumors and metastatic lymph nodes. relationships between clinical parameters HFs (pHF) nodes (nHF) were analyzed.The pHF (range=∓1.367 - -0.027; median=-0.152)...

10.21873/anticanres.12036 article EN Anticancer Research 2017-10-03

Paranasal sinus (PNS) mucoceles may involve orbit and have ophthalmic manifestations. The objective of this study was to investigate the clinical radiological features affecting manifestations in patients with PNS involving orbit.Fifty-two underwent endoscopic surgery for orbital involvement were investigated. Ophthalmic included exophthalmos, ocular pain, diplopia, visual disturbance. correlation between symptoms mucocele volume, origin site mucocele, extraocular muscles or optic nerve...

10.1097/scs.0000000000006982 article EN Journal of Craniofacial Surgery 2020-09-04

Retrobulbar hematoma is one of the major complications following endoscopic sinus surgery (ESS). Symptoms and physical findings include temporary blindness, ophthalmoplegia, mydriasis, ptosis, proptosis, eyelid ecchymosis. Recently, we experienced a rare case delayed retrobulbar with intact lamina papyracea after ESS. Therefore, present this an emphasis on importance prevention, identification management hematoma. (J Clinical Otolaryngol 2014;25:240-243)

10.35420/jcohns.2014.25.2.240 article EN cc-by-nc Journal of Clinical Otolaryngology Head and Neck Surgery 2014-12-01

Complete removal is most important in treating the malignant tumor from auricle, but cosmetic and reconstructive plan after should also be considered because auricular appearance contributes enormously to facial aesthetics. Mohs micrographic surgery (MMS), which commonly used dermatology, as minimal marginal that offers superior cure rates treatment of skin cancer. Therefore, MMS could provide a minimally invasive way manage auricle. This article reports basosquamous cell carcinoma arising...

10.3342/kjorl-hns.2016.17363 article EN Korean Journal of Otorhinolaryngology - Head and Neck Surgery 2017-03-08

Background and Objectives The aims of this study were to evaluate the rate risk factors involved in bilateral central lymph node metastasis patients with papillary thyroid cancer (PTC) found isthmus compared them tumors located other regions, using those findings establish a surgical strategy for treating these tumors. Subjects Method We clinical pathological data 48 isthmic PTC 141 all whom underwent total thyroidectomy neck dissection. Results rates higher group than non-isthmus (29.2% vs....

10.3342/kjorl-hns.2016.17335 article EN Korean Journal of Otorhinolaryngology - Head and Neck Surgery 2017-03-20

Background and Objectives The cause of idiopathic sudden sensorineural hearing loss (ISSNHL) is still unclear, but recently, chronic inflammation thrombosis have received attention. neutrophil-to-lymphocyte ratio (NLR) platelet-to-lymphocyte (PLR) are some the markers that show state ischemia, which measured routinely in complete blood cell count (CBC) test. aim this study were to investigate relevance NLR PLR with ISSNHL. Subjects Method Enrolled our retrospective analysis 103 patients...

10.3342/kjorl-hns.2017.00535 article EN Korean Journal of Otorhinolaryngology - Head and Neck Surgery 2017-10-13

Few studies focused on the relationship between hepatitis B virus (HBV) infection and classical Hodgkin lymphoma (cHL). This study was to evaluate impact of HBV treatment outcome survival cHL patients. Clinical data 352 patients treated with ABVD regimen (doxorubicin, bleomycin, vincristine dacarbazine) January 2002 2018 were retrospectively collected. According status, divided into three groups: [hepatitis surface antigen (HBsAg)-positive], past [HBsAg-negative but anti-hepatitis core...

10.4149/neo_2019_190211n113 article EN Neoplasma 2019-12-12

Melanotic oncocytic metaplasia (MOM) of the nasopharynx is an extremely rare benign lesion which characterized by presence usually a small, pigmented near Eustachian tube opening, but never reported form cyst without pigmentation. A 76-year-old man who had symptom with globus pharyngeus for 3 months was presented to otolaryngology clinic. The found as cystic mass pigmentation through endoscopic examination. Microscopically, there were well-formed glandular structured cells abundant...

10.35420/jcohns.2022.33.1.23 article EN Journal of Clinical Otolaryngology Head and Neck Surgery 2022-03-01

Retiform hemangioendothelioma (RHE) is an extremely rare low-grade variant of angiosarcoma that mostly involves the dermis or subcutaneous tissue, but which has never been reported in paranasal sinus. A 53-year-old woman with problems a palpable lump on left lower eyelid and anosmia visited to our hospital. An expansile mass was observed frontoethmoid sinus radiologic images, suspected be attributable bony erosion orbital wall intracranial expansion. Endoscopic surgery performed remove mass....

10.35420/jcohns.2022.33.4.208 article EN Journal of Clinical Otolaryngology Head and Neck Surgery 2022-12-01

서 론 제2형 신경섬유종증(neurofibromatosis type II, NF2)은 양측 청신경종양을 포함하는 중추신경계의 다발성 종양을 특 징으로 하는 상염색체 우성인 유전성 질환이다. 1) NF2 환자의 90~95%에서 양측의 청신경종양이 발현되며, 비록 양성 종양이 지만 청각과 전정신경계에 중대한 영향을 미쳐 전농에 이르기 도 한다. 2) 대부분의 환자에서 청력저하가 발생하 지만, 그 경과는 예측할 수 없으며, 청각 재활은 아직 쉽지 않 고 치료에 대해서도 여전히 논란이 있다. 3) 일부에서는 양측성 있을 경우 수술을 하여 제거한 후 청성 뇌간이식술(auditory brainstem implantation, ABI)을 시행할 것을 권유하고 4)하지만 ABI는 보기 없는 조건의 말지각력(open-set speech perception)이 떨어지는 것으로 알 려져 5) 종양제거 청신경이 보존되었거나 감마나이프 치료를 시행한 경우에는 인공와우이식술(cochlear CI)도...

10.3342/kjorl-hns.2015.58.7.509 article KO Korean Journal of Otorhinolaryngology - Head and Neck Surgery 2015-01-01

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10.1017/s0022215116007350 article EN The Journal of Laryngology & Otology 2016-05-01

Angiofibroma which is rare benign tumor found in the nasal cavity often called juvenile nasopharyngeal angiofibroma because it occurs mainly posterior lateral wall of nasopharynx adolescent males. It known that outpatient biopsy contraindicated due to its hypervascularity has potential for massive bleeding. difficult recognize advance when observed as a form originating outside nasopharynx. We report case successfully treated without preoperative embolization from middle turbinate...

10.35420/jcohns.2023.34.1.8 article EN Journal of Clinical Otolaryngology Head and Neck Surgery 2023-03-01

The olfactory neuroblastoma (ONB) is a rare malignant tumor that arises in the nasal cavity and paranasal sinuses. most common treatment craniofacial resection, but recently endoscopic resection has been used as an initial to reduce complications. In addition, depending on stage of disease, radiation therapy or chemotherapy can be performed before after surgery. ONB also recur, showing two patterns recurrence: local recurrence distant metastasis cervical lymph nodes lungs. Local usually...

10.35420/jcohns.2023.34.2.52 article EN Journal of Clinical Otolaryngology Head and Neck Surgery 2023-06-01
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