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Mupirocin Ointment Prevents Early Post-Tympanostomy Tube Otorrhea: A Preliminary Study
박계훈,이치규 대한청각학회 2012 Journal of Audiology & Otology Vol.16 No.3
Background and Objectives: The most common complication of tympanostomy tube (T-tube) insertion is the development of postoperative otorrhea. Post-tympanostomy tube otorrhea (PTTO) is defined as active drainage through an existing T-tube. Many surgeons routinely use topical antibiotics as prophylaxis against early PTTO. Mupirocin calcium ointment is a topical antimicrobial agent with broad-spectrum antimicrobial activity against many Gram-positive organisms. This study evaluated the clinical effectiveness of topical mupirocin ointment in reducing early PTTO. Subjects and Methods: The study included 98 ears (67 patients, mean age 32.9 years) that had a T-tube inserted because of chronic middle ear effusion or atelectatic otitis media. A Paparella type-I polyethylene-tube coated with mupirocin was inserted through the tympanostomy. Patients were instructed not to use otic drops or any other medications. All patients were seen by day 14 postoperatively. Results: Early PTTO occurred in one case (1.5%). No early PTTO was seen with a middle ear effusion. Nineteen children were treated under general anesthesia; none developed early PTTO. Conclusions: Insertion of a T-tube coated with mupirocin ointment could be effective at preventing early PTTO.
박계훈 순천향대학교 순천향의학연구소 2017 Journal of Soonchunhyang Medical Science Vol.23 No.2
Various types of ossicular chain interruption may occur in temporal bone fractures. The most common type is incudostapedial joint disruption. Incus is the most vulnerable to traumatic injury as compared with malleus or stapes, because it is suspended only by ligamentous structures and connected to the incudomalleolar and incudostapedial joints. Incus may rarely be pushed through tympanic membrane or pass through a fracture of posterosuperior external auditory canal. However, a case of complete extrusion of incus into the external auditory canal has not been reported. The author presents a rare case of incus extrusion into the external auditory canal with temporal bone fracture after head trauma.
악관절에서의 조직 검사로 원인균이 확인된진균성 악성외이도염 1예
박계훈 대한이비인후과학회 부산,울산,경남 지부회 2018 임상이비인후과 Vol.29 No.1
Malignant otitis externa (MOE) is a potentially life-threatening infection of the external auditory canal, surrounding soft tissues, cranial nerves, and adjacent skull base. Pseudomonas aeruginosa is the most common involved pathogen. However, the lack of definitive bacterial cultures and inadequate responses to antipseudomonal therapy should raise the possibility of fungal infection. We have recently encountered a rare case in which causative pathogen was aspergillus confirmed by biopsy at temporomandibular joint under local anesthesia. The patient was much improved following voriconazole treatment. Herein, we report the case with a review of the literature.
박계훈,조성훈,강은구,이치규 대한이비인후과학회 2008 대한이비인후과학회지 두경부외과학 Vol.51 No.5
Nevus sebaceous is a rare tumor in the external ear. It is clinically important because this tumor has chance to progress to benign or malignant neoplasm. This change generally occurs after adolescent age. The most common malignant neoplasm arising in this lesion is basal cell carcinoma. Therefore, many authorities recommend complete excision before puberty. A 9-year-old boy visited our clinic with multiple nevi sebaceous involving the pinna and external auditory canal. The tumors were removed completely and the defect was covered with skin graft. There has been no evidence of recurrence as of 10 months following the surgery. We report this case with a review of literature. (Korean J Otorhinolaryngol-Head Neck Surg 2008;51:487-90)
Compound Nevus Occurring Near External Auditory Canal: Successful Treatment by CO2 Laser Abrasion
박계훈,김원석 대한청각학회 2013 Journal of Audiology & Otology Vol.17 No.1
Melanocytic nevus is common pigmented skin tumor, but it has rare occurrence near the external auditory canal. A skin graft is required if a wide surgical excision is performed for the nevi occurring near the external auditory canal. A CO2 laser was considered to be a good alternative for the removal of melanocytic nevus in this area. We herein report a case of compound nevus occurring near the external auditory canal that was successfully treated by CO2 laser abrasion.
이경수,박계훈,이치규 대한이비인후과학회 2009 대한이비인후과학회지 두경부외과학 Vol.52 No.5
The ossification of stapedial tendon is a rare disorder of middle ear that results in conductive hearing loss. It might be easily misdiagnosed as otosclerosis, and only exploratory tympanotomy can indicate cases where the mobility of stapes is not fixed or has increased. Cutting of the tendon results in nearly normal ossicular mobility and hearing improvement. A 41-year-old patient visited our clinic with slowly progressive hearing loss. Hearing evaluation revealed that he had a conductive hearing loss with intact tympanic membrane. The mobility of stapes was enhanced by cutting of the tendon through exploratory tympanotomy; hearing was improved thereafter.
정재엽,박계훈,장시형,반명진,Jung, Jae Yeup,Park, Kye Hoon,Jang, Si-Hyong,Ban, Myung Jin 대한두경부종양학회 2018 대한두경부 종양학회지 Vol.34 No.1
The parathyroid glands are usually located in the posterolateral area of the thyroid gland. Due to their embryologic origin, they are sometimes found in an ectopic position from the angle of the jaw to the mediastinum. However, their incidental detection in the hypopharyngeal wall is rare. Herein, we report a case of an ectopic parathyroid gland found in the hypopharyngeal wall of a 39-year old woman with no known endocrine abnormality.
이치규,박계훈 순천향대학교 순천향의학연구소 2017 Journal of Soonchunhyang Medical Science Vol.23 No.2
Objective: Blunt head injury can lead to isolated damage of the inner ear (cochlear labyrinthine concussion) or damage of the otolith organ (vestibular labyrinthine concussion) due to a bone conduction pressure. We evaluated the clinical characteristics of hearing impairment in patients who suffered from a blunt head trauma without any organic problems, including temporal bone fracture or intracranial hemorrhage. Methods: This retrospective study examined 9 patients presenting with hearing impairment after blunt head trauma within recent 5 years. This study included only patients without temporal bone fracture or intracranial hemorrhage. Results: Most patients complained of associated auditory symptoms including tinnitus, dizziness, earfullness, and otalgia. Twelve ears of 9 patients showed sensorineural hearing loss; mild (1 ear), moderate (3 ears), moderate-severe (4 ears), severe (2 ears), and profound (2 ears). After high-dose steroid therapy, 2 ears had a significant hearing gain, but 10 ears showed no improvement of hearing. Conclusion: Blunt head injury is one of the most common causes of the neurologic disorders. It is important to perform thorough assessment of auditory symptoms as soon as possible. Otologic consultation should be sought in all cases for appropriate management.