외이도 진주종이 합병된 외이도 골종 1예

이동희,심민보,이창훈,조광재 대한이비인후과학회 2005 대한이비인후과학회지 두경부외과학 Vol.48 No.7

Osteoma in the external auditory canal is an uncommon benign lesion, which presents as a solitary, unilateral, and slow-growing pedunculated mass in the outer half of the bony canal. It is usually asymptomatic;but symptoms can arise if a canal obstruction occurs. External canal cholesteatoma is also a rare lesion of the external auditory canal. Cholesteatoma of the external auditory canal may arise via several mechanisms. However, an occlusion or narrowing of the external auditory canal is the basic pathogenesis. The association of an osteoma with cholesteatoma is extremely rare, and there have been very few reports published. We encountered a case of a 49-year-old man with an osteoid osteoma that was complicated by a cholesteatoma in the external auditory canal. The canal wall down mastoidectomy and tympanoplasty removed the osteoma and the cholesteatoma successfully, and there was no recurrence or complications during the following 6 months postoperatively.

외이도의 고립성 섬유종 1예

신규하,강주창,권계원,안윤숙 대한이비인후과학회 2020 대한이비인후과학회지 두경부외과학 Vol.63 No.11

Solitary fibrous tumor (SFT) is a rare benign spindle-cell neoplasm, most often found in thepleura. Recently, it has been reported to appear throughout the body but rarely in head andneck region. Tumors in the external auditory canal, in particular, have been very rarely reported. We experienced a case of a 55-year-old male with a 6-month history of progressive swellingfrom the orifice of left external auditory canal. The tumor was round, well circumscribed,almost completely obstructing the left external auditory canal. On the enhanced temporalbone CT and enhanced paranasal sinus MRI, a 2.0×1.7 cm sized mass was observed at the leftexternal auditory canal. He was treated with surgical excision under general anesthesia. Histopathologicexamination confirmed the diagnosis of SFT. This case report presents a rarecase of a SFT arising in the external auditory canal.

외이도 낭종으로 나타난 가성수막류 1예

정재호,안성기,전시영,박인성 대한이비인후과학회 2005 대한이비인후과학회지 두경부외과학 Vol.48 No.3

Pseudomeningoceles are formed by extravasation of cerebrospinal fluid through a dural defect into soft tissue. Although posttraumatic pseudomeningocele rarely occurs in the head and neck, this case demonstrates a traumatic pseudomeningocele in an adult. A 32-year old woman presented a ten-year history of right ear stuffiness and muffled hearing after the head trauma. A soft, nonpulsatile and cystic mass was noted in the right external auditory canal. The MRI scan demonstrated the connection between subarachnoid space and cyst of the right external auditory canal. The right ear was explored and mastoid antrum was partially filled with a cyst connected to the dural defect. The extradural portion of the mass was removed, and the dural defect was repaired with a temporalis fascia-cartilage graft. We report a case of the post-traumatic pseudomeningocle presenting as a cyst of the external auditory canal with a review of the related literature. (Korean J Otolaryngol 2005;48:414-7)

외이도에 단독으로 발생한 점액종: 증례 보고

박아름,김태규,김현정,조우호,김재형,정명자,김성희,김지영,김수현,강미진,이지혜,배경은 대한영상의학회 2018 대한영상의학회지 Vol.79 No.2

Myxoma is a benign mesenchymal neoplasm found in the heart, bone, and other soft tissues. However, myxoma of the external auditory canal is extremely rare. Since myxoma of the external auditory canal can be manifested as a part of the Carney complex, an autosomal dominant multiple familial neoplastic disorder, correct diagnosis and thorough investigation is important. We report a case of a 59-year-old man who presented to hospital with a complaint of growing mass within the right external auditory canal during one month. The surgical excision was done, and the histopathological examination revealed myxoma. In this article, we report the magnetic resonance imaging and computed tomography findings of the myxoma of the external auditory canal and correlate with the histopathological finding. 점액종은 양성 중간엽종양으로서 심장, 뼈를 비롯한 연부조직에서 생길 수 있지만 외이도에서 발생하는 경우는 극히 드물다. 한편, 외이도의 점액종은 상염색체 우성으로 유전되는 다수의 가족성 종양 증후군인 Carney 복합체(complex)의 한부분으로 발현될 수 있기 때문에 진단 및 철저한 조사가 중요하다. 본 증례에서 59세 남성 환자가 한 달 전부터 발생해서점점 커지는 양상의 오른쪽 외이도 종괴를 주소로 내원하였고, 수술적 절제 후 조직병리검사 결과 점액종으로 확진되었다. 본 증례는 외이도 점액종의 자기공명영상 및 전산화단층촬영 소견을 보고하고, 조직병리 소견과 관련해서 이해해 보고자 한다.

성인에서의 외이도 황색 육아종 1례

유동준(Dong Joon Yoo),이성훈(Sung-Hun Lee),여상원(Sang Won Yeo),박시내(Shi-Nae Park) 대한두개저학회 2014 대한두개저학회지 Vol.9 No.1

Xanthogranuloma is one of non-Langerhans cell histocytic disorders. And adult-onset huge xanthogranuloma of the external auditory canal is very rarely reported, especially on this anatomical site. We introduce a case of adult-onset huge xanthogranuloma of the external auditory canal. An 32-year-old female presented with intermittent left bloody otorrhea for two months. Radiological studies showed a solitary mass on the posterior wall of external auditory canal that had no invasion or erosion of temporal bone. The mass that originated from the posterior wall of the external auditory canal was excised and the defect site was reconstructed with ipsilateral superficial temporalis fascia. Pathologically, this huge mass was diagnosed as xanthogranuloma. We report this case as a very rare case of adult-onset xanthogranuloma in the external auditory canal as well as its excellent long-term result of surgery with the review of the literatures.

외이도 진주종의 임상양상

김효선,박효선 대한이비인후과학회 2007 대한이비인후과학회지 두경부외과학 Vol.50 No.2

Background and Objectives:External auditory canal cholesteatoma is an uncomon form of cholesteatoma. It usualy affects elderly people and is presented with chronic otorrhea and dul otalgia. The aim of this article is to analyze clinical manifestations Subjects and Method:A total of 16 cases with cholestea-toma of external auditory canal were reviewed retrospectively from March of 2002 to August of 2005. Diagnosis was made by physical examination, radiologic findings, operative findings, and pathologic findings. Results:Comon symptoms of external auditory cholesteatoma were otorhea, otalgia, hearing impairment, tinitus, and aural fulness. Most cases were involved in the ed in 12 cases and surgical treatment including mastoidectomy, canaloplasty and tympanoplasty were performed in 4 cases. No recurence was found during the follow-up period. Conclusion:Cholesteatoma of the external auditory canal is a rare disease which can develop into widespread destruction of the ear canal. Treatment is based on removing cholesteatoma depending on the extent of disease. (Korean J Otolaryngol 2007;50:98-101)

외이도 종물로 발견된 청신경종 1예

이치규,윤석만,박계훈 대한이비인후과학회 2009 대한이비인후과학회지 두경부외과학 Vol.52 No.4

Acoustic neuromas arise frequently within the internal auditory canal and cerebellopontine angle. Rarely, a schwannoma may occur primarily within the labyrinth or may extend secondarily into the labyrinth from the internal auditory canal. The authors experienced a very rare case of acoustic neuroma presenting as a tumor of the external auditory canal in a 43 year-old woman. Tumor was removed by a transotic approach and found to be present in the external auditory canal, middle ear, labyrinth, internal auditory canal and cerebellopotine angle. Subtotal resection of the tumor was performed due to severe adhesions to the facial nerve in the proximal internal auditory canal. Serial magnetic resonance imaging is planned to follow up the residual tumor.

턱관절 탈출에 대한 수술적 재건 후 이식물의 돌출

구범모,백문승,문성규,조현상 대한이비인후과학회 2021 대한이비인후과학회지 두경부외과학 Vol.64 No.3

Herniation of the temporomandibular joint (TMJ) into the external auditory canal is rare asTMJ and external auditory canal are separated by an anterior bony wall of external auditorycanal. The bony defect of the anterior external auditory canal can be caused by trauma, otologicprocedure, neoplasm, inflammation and a rare congenital bony defect. Conservativetreatment is available if the severity of the symptom is mild or asymptomatic. However, surgicalprocedure is considered if the patient experiences severe distress. There have been no reportedcases of surgical-related complications and recurrence during postoperative follow-upperiod. Herein we report the very first case of foreign body prolapse involving herniation fromTMJ extending into the external auditory canal.

외이도 악성 종양 21례의 치료 경험

정종인(Jong In Jeong),조양선(Yang Sun Cho),추호석(Ho Suk Chu),홍성화(Sung Hwa Hong),정원호(Won Ho Chung),백정환(Chung Hwan Baek),정한신(Han Sin Jeong),정만기(Man Ki Chung) 대한두개저학회 2009 대한두개저학회지 Vol.4 No.1

Background and Objectives:The malignances of external auditory canal(EAC) are very rare diseases and have very poor prognosis. Numerous staging systems have been proposed to classify patients before treatment. To treat the diseases, multimodal therapy is performed. The aim of this study was to review our experiences of the treatments for the malignances of EAC, and to propose most effective treatments according to the stage. Subjects and Method:Twenty-one patients with the malignances of EAC diagnosed between November 1994 and December 2009 were analyzed. The patients were analyzed according to the Pittsburgh staging system and histopathological findings. Results:The number of patients staged as T1, T2, T3, and T4 were 4, 2, 2, and 13, respectively. Surgical treatments were performed in 13 patients using lateral temporal bone resection, subtotal temporal bone resection. Initial or postoperative radiotherapies were performed in 13 patients. After the treatment, the mean disease free survival periods of 5 patients (23.8%) who are still alive without the disease was 27.8 months, and 4 patients (19%) expired within the mean periods of 11.8 months. Conclusion:We suggest that en-bloc resection with or without radiation therapy is the best treatment for the malignancies of the external auditory canal. A positive resection margin or residual tumor should be considered as worst prognostic factor.

외이도 편평상피암종의 치료 경험

정상호,김창우,김한수,이원상 대한이비인후과학회 2005 대한이비인후과학회지 두경부외과학 Vol.48 No.2

Background and Objectives:The management of external auditory canal (EAC) squamous cell carcinoma (SCC) is very dif-ficult because the structure of the temporal bone is complicated. We aimed to analyze the surgical results of EAC SC and propose a treatment protocol. Subjects and Method:Fifteen patients with EAC SCC who underwent operations betwen July 1984 and as-sified under Class I, the tumor involved the cartilaginous ear canal. Tumors of patients within Clas II involved the bony ear canal or mastoid cortex. Tumors that involved the deep structures of the temporal bone but limited involvement of within the middle ear cavity were classified under Clas IIA. In Class IIB, tumors involved the facial canal, the base of the skull, or mastoid air cells. In Class IIC, tumors involved the cochlea, the medial wal of middle ear, dura, sigmoid sinus, or other structures such as the parotid . Results:The number of patients classified under Class I, Class I, Class IA, Class IB and Class IC were 3, 2, 1, and 6, res-pectively. Surgical approaches were local canal resection, partial temporal bone resection (TBR), subtotal TBR, and total TBR. Folow up period was 5 to 138 months with a mean (± SD) of 40 months (± 37.5), and the five-year disease free survival rate was 40.6%. Conclusion:surgery of Clas I or Clas II EAC SC cancers, a subtotal TBR for Clas IIIA, and a total TBR when it is close to Clas IIIB or Clas IIIC.