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부적합한 항이뇨 홀몬분비를 동반한 Central Pontine Myelinolsis
한규희,이창수,문상희,박영규,조광호,강성귀 대한내과학회 1990 대한내과학회지 Vol.38 No.5
A 53 year-old man presenting with profound hyponatremia was admitted at Chonbuk National Hospital on October 1986. The serum and urine osmolality studies and clinical feature suggested the presence of inappropriate antidiuretic hormone secretion. The central pontine myelinolysis may suggested by computerized tomography in brain. This report is discussed the association between the electrolyte disturbance and central pontine myelinolysis.
한규희,홍성광,송창면,구자원 대한평형의학회 2009 Research in Vestibular Science Vol.8 No.1
Post-operative dizziness and vertigo have been variously reported from 30 to 60% after cochlear implantation. There have been reported that delayed vertigo is the most common type and characterized by similarities with dizziness in Meniere’s syndrome. Authors experienced a man who had delayed onset of vertigo, which developed six months after cochlear implantation on the left side. Postoperative left caloric response was decreased in both warm and cold stimulation. The direction of spontaneous nystagmus during spell was right side with torsional down beat and definite catch up saccades were observed during head thrust test on the plane of the left horizontal canal and posterior canal, which was resolved on the next day. These episodic and recurrent spells of vertigo might suggest that the hydropic changes of labyrinth corresponding to the pathology of Meniere’s disease occurred in this patient. Post-operative dizziness and vertigo have been variously reported from 30 to 60% after cochlear implantation. There have been reported that delayed vertigo is the most common type and characterized by similarities with dizziness in Meniere’s syndrome. Authors experienced a man who had delayed onset of vertigo, which developed six months after cochlear implantation on the left side. Postoperative left caloric response was decreased in both warm and cold stimulation. The direction of spontaneous nystagmus during spell was right side with torsional down beat and definite catch up saccades were observed during head thrust test on the plane of the left horizontal canal and posterior canal, which was resolved on the next day. These episodic and recurrent spells of vertigo might suggest that the hydropic changes of labyrinth corresponding to the pathology of Meniere’s disease occurred in this patient.
영유아 삼출성 중이염의 진단: 226 Hz 음을 이용한 통상적인 임피던스 청력검사의 함정
한규희,이준호 대한이비인후과학회 2012 대한이비인후과학회지 두경부외과학 Vol.55 No.7
Middle ear effusion is one of the most common causes which results in refer on hearing screening of infants. Evaluation of middle ear state has been emphasized because the causes and severity of hearing impairment determine the manner of rehabilitation. As a complimentary diagnostic method of middle ear effusion, tympanometry using 226 Hz probe tone has been most commonly used in adult and older children. However, recent reports have indicated obviously that the use of a 1000 Hz tympanometry is more reliable in younger infants and neonates than 226 Hz. This attributes to the developmental changes in acoustic properties and anatomic changes of middle ear structures and ear canal. Given the data reported up to the present, 1000 Hz tympanometry is recommended to diagnose middle ear effusion in children younger than 6 months.
Bone Anchored Hearing Aid(BAHA)를 이용한 청각 재활
한규희,김희진,장정훈,유재철,김영호,이준호,오승하,김종선,장선오 대한이비인후과학회 2010 대한이비인후과학회지 두경부외과학 Vol.53 No.12
Background and Objectives Bone anchored hearing aid (BAHA) is an alternative method applicable to patients with chronic draining ear, congenital aural atresia and single sided deafness, who cannot benefit from conventional air conduction hearing aids. The objective of this study was to evaluate the experience of 14 patients who underwent BAHA surgery. Subjects and Method We retrospectively reviewed the medical records of 14 patients who underwent BAHA surgery. Preoperative pure tone air and bone conduction thresholds and air-bone gap, postoperative BAHA-aided thresholds were measured. Hearing improvement as a result of implantation and complications related to implant were evaluated. Results The most common indication for BAHA was congenital aural atresia (8 patients) and the rest consisted of chronic otitis media (3 patients) and unilateral sensorineural hearing loss (3 patients). The average threshold improvement with BAHA was 40 dB and 34 dB in patients with congenital aural atresia and chronic otitis media, respectively. Patients with unilateral hearing loss had a postoperative aided threshold of 25 dB. Complications were limited to the periabutment skin problem in two patients. One patient received revision surgery replacing the diseased skin with split-thickness skin graft from a thigh and the other patient received surgery to remove the abutment and the wound was closed with rotation flap, leaving the fixture underneath the skin. Conclusion BAHA could be one of the safe and reliable treatment options available for auditory rehabilitation. Systematic evaluation for candidate selection might be needed to increase hearing gain and decrease co-morbidity. Korean J Otorhinolaryngol-Head Neck Surg 2010;53:755-60
Pleomorphic Adenoma Causing Facial Nerve Palsy
한규희,구자원,안순현,모지훈 대한이비인후과학회 2010 대한이비인후과학회지 두경부외과학 Vol.53 No.10
Facial nerve palsy due to the benign parotid tumor is extremely rare. The authors experienced a case of pleomorphic adenoma in parotid gland, showing retrograde extension to mastoid bone along the facial nerve, resulting facial nerve palsy. An 82-year-old woman with facial nerve palsy for six years was revealed to have a solid mass in the close proximity to mastoid tip with contrast enhancement on computed tomography (CT). The mass extended into the air cells of temporal bone at the exiting site of the facial nerve through stylomastoid foramen. Based on the CT findings and her facial nerve palsy, initial diagnosis was facial nerve schwannoma. Mass was removed via transmastoid approach. The pathology was pleomorphic adenoma and direct nerve invasion was not observed. Korean J Otorhinolaryngol-Head Neck Surg 2010;53:648-51