Dentigerous cyst represents cystic enlargement of the follicle of an impacted tooth. It is the sites of predilection mirror the favored sites if impacted teeth : mandibular third molars, maxillary third molars, and maxillary canines. These cysts are most prevalent in the second to fourth decades. Most cysts are asymmetric and are discovered on routine dental radiographs, but large examples can cause displacement or resorption of adjacent teeth and infection. Microscopical examination discloses a stratified squamous epithelium covering a fibrocollagenous cyst wall.

In this case, authors present a case of huge dentigerous cyst on right piriform fossa across the midline that enucleated successfully through the right gingivobuccal approach.

Osteoma of the paranasal sinuses is found in approximately 0.25% of routine roentgenographic sinus examinations and are most commonly found in the frontal sinus(ethmoid sinus and maxillary following in that order).

Osteomas are classified as compact, cancellous, or mixed, Compact osteoma is an ivory-hard tumor, probably formed by periosteal osteoblasts. To assess growth, a radiographic follow up within 1 to 2 years is necessary. The most frequent site of origin would seem to be the space between the frontal and ethmoid bones.

Nasal stuffiness may be a complaint if the upper lateral nasal wall is displaced medially.

Traditionally, the external ethmoidectomy approache is the route of choice for removal of osteoma of the ethmoids.

In this study, authors present a case of ethmoid osteoma hat was removed successfully through an endoscopic approach.

The patient was 30 year old male having longstanding otitis media on left ear since childhood. Although he had taken radical mastoidectomy(Lt.), brain abscess was developed 14 days after operation. So, emergency craniotomy with total resection of brain abscess was performed in neurosurgery department and abscess was healed well. Postoperative course was relatively good and he was discharged on 63th postoperative day.

No abstract available.

The clinico-statistical study was done on 147 cases of traumatic drum perforation who visited the Department of Otolaryngology, Ewha Womans University Hospital from Jan. '81 to Dec.' 85. Following results were obtained: 1) In sex incidence ; female incidence were more than male(ratio of female and male was about 1.3:1). In age distribution ; the highest incidence was in the group of 10's and 20's in male(70%) and in the group of 20's and 30's in female(75.2%). 2) The duration from tympanic membrane perforation to confirmation at E.N.T.O.P.D. was usually within 3 days in about 50%. 3) The main cause of drum perforation was direct trauma(70%). 4) Frequent complaints after trauma were hearing impairment(34.4%) and after ear stuffiness(18.9%) as in order. 5) The perforation was usually seen in the left ear(over 70% in male and female coincidentally). 6) Most frequent site of drum perforation was seen in anterior, central and posterior as in order. 7) Duration of the healing and hearing gaining after prosthesis was seen in 12 days and 9.7 dB in linear perforation, 14 days healing and 12 dB gaining in small perforation, 31 days healing and 12.6 dB gaining in medium sized perforation. In large perforation, the duration of the healing was mostly 55 days and hearing gaining was 17.2 dB after prosthesis.

Many papers on Behcet's syndrome published during the past forty years, open with the statement that the diease was discovered by Behcet and first described by him in 1937.

Behcet's syndrome is characterized by four major components : iridocyclitis(historically with hypopyon), aphthous lesions in the oral mucosa, ulceration of the genitalia, and erythema nodosum in the skin of the extremities, but the ocular symptoms may be the most important and serious manifestation of the disease. Central nervous system involvement, most often due to necrotizing vasculitis, may be the most protean manifestation of the disease, leading to death.

Oral lesion is early symptoms in this dieasese which encounter otolaryngologist at first, so we need carefull examination at early of this disease, because it lead blindness and death that was involved in the eye and nervous system in late stage.

This paper to report the author's experience over 18 years at Dept. of ENT in Ewha womans university hospital from 1964 to 1982, 18 cases has been studied and treated clinically, and following results were obtained:

1) Sex distribution were male to female; 3.5:1.

2) Age distribution were 84% in 2nd and 3rd decade.

3) Among 18 cases, 6 cases were complete form and 12 cases were incomplete from.

4) Incidence of four major symptoms were 100% in complete form.

5) In incomplete form : incidence of oral lesion were 100%, skin lesions were 84%, eye lesion were 42%, and genital lesions were 33% as in order.

6) The result of Behcetin test were 100% positive in complete form and 66% positive in incomplete form.

7) Treatment were conservative with antiboitics antihistamine, ACTH, vitamin, and sulfa.

8) One cases with complications of the central nervous system died within 3 years after the onset of this disease. Incidence of blindness were 50% of cases in complete form and 17% in incomplete form.

Citations

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• A Case of Erythema Nodosum-like Lesions of a Behcet's Disease Patient treated with Wolbi-Tang
  Sang-Chul Baek, So-Hyun Jo, Eun-Hee Jo, Min-Cheol Park
  The Journal of Korean Oriental Medical Ophthalmology and Otolaryngology and Dermatology.2012; 25(2): 83.     CrossRef

There have been many advances in the treatment of suppurative inflammation of the middle ear; however, the problem of chronic otitis media remains a significant part of the otologist's practice. There have been remarkable advances in antibiotic therapy. The otologist is still faced with the challenge of treating the affects of chronic inflammation of the middle ear and mastoid. This challenge is particularly difficult if the chronic ear problem is affected by the formation of cholesteatoma. If an ear develops a cholesteatoma that can not be completely exteriorized by office management, the treatment is surgical. It is the purpose of this paper to report the author's experience over 10 years of treating cholesteatoma using the radical mastoidectomy technique. Because the author realizes that long term results of surgery for cholesteatoma are important. From Jan. 1, 1973 to Dec. 30, 1982, 81 ears were treated by the author with radical mastoidectomy with tymapnoplasty, radical mastoidectomy without tympanoplasty and atticotomy for chronic otitis media accompanied with cholesteatoma. The result of this study as follow; 1) Sex distributions were male : famale ; 1:1.02. 2) Age distributions were 35(43.2%) in second decade, 30(37.0%) in first decade, 14(17.3%) in third decade in order. 3) Site distribution were 44(54.3%) in left, 37(45.7%) in right. 4) Character of otorrhea were 67(82.7%) cases in purulent states, 9(11.1%) cases in sero-mucinous states and 5(6.2%) cases in dry states. 5) Sites of drum perforation were 29(35.8%) cases in total defect, 22(27.2%) cases in central perforation, 10(12.3%) cases in attic perforation and 9(11.1%) cases in marginal perforation in order. 6) Condition of E-tube function were 40(49.4%) cases in poor states, 26(32.1%) cases in fair states and 6(7.4%) cases in good states. 7) X-ray findings of temporal bone were 68(83.9%) cases in sclerotic, 6(7.4%) cases in pneumatic and 2(2.5%) cases in diploic type. 8) Degree of preoperative hearing loss; 22(27.2%) cases were moderately severe degree, 17(21.0%) cases were severe and 21(25.9%) cases were not checked or missing of record. 9) Type of preoperative hearing loss were 39(48.1%) cases in conductive type. 14(17.3%) cases in mixed type and 5(6.2%) cases in sensorineural hearing loss. 10) Type of anesthesia were 61(75.3%) cases under the general anesthesia, 20(24.7%) cases under the local anesthesia. 11) Type of operation were 56(69.1%) cases in mastoidectomy without tympanoplasty, 11(13.6%) cases in mastoidectomy with tympanoplasty and 14(17.3%) cases in atticotomy technique. And operation hours were taken 38(46.9%) cases within 2 hours, 23(28.4%) cases within 3 hours and 4(4.9%) cases within 4 hours in order. 12) Route of approach were 66(81.5%) cases in endaural, 12(14.8%) cases in postauricular and 3(3.7%) cases in transmeatal approach. 13) Condition of middle ear mucosa were 59(72.9%) cases in diseased(It's means of edema, granulation and missing). 14(17.3) cases were squamous and 7(8.6%) cases were intact. 14) Condition of ossicles; missing were 58(71.6%) cases, fixed were 18(22.2%) cases and 5(6.2%) cases in intact. 15) Extent of cholesteatoma were 23(34.3%) cause in attic antrum, 20(29.9%) cases in attic antrum middle ear and 16(23.9%) cases in attic in order. 16) Incidence of destructed outer structure of mastoid antrum were 25.9% and surrounding structure of mastoid antrum were 32.1%. 17) Post-operative change of pure tone average were 15(60%) cases in no change, 6(24%) cases in improvement of 11-15 dB and 2(8%) cases in worse than-10dB, Postoperative audiometry rate is 30.9%.

The author present statistical observation of 111 cases of tinnitus with pure tone audiometry from Jan. 1, 1978 to Dec. 31, 1980 in department of otolaryngology, EWHA Womans University Hospital. The result were as follow: 1. Male to female ratio was as 1.1: 1 and peak age incidence was in the age group 21 to 30. 2. Most frequent duration for tinnitus was 1 month to 1 year. 3. Patient who complained tinnitus was only 10.0% in cases of tinnitus and patient who complained tinnitus with hearing impairment was 72.1% in the cases of tinnitus. 4. The affected site in the tinnitus, in order of frequency were; Both ears 38.8% Left ear 32.4% Right ear 28.8% 5. The drum finding, in order of frequency were; Intact 40.3% Retraction 41.6% Perforation 11.0% 6. The degree of hearing loss in audiometry were; Normal 26.0% Moderate severe 23.5% Moderate 20.8% 7. The classification of hearing loss were Sensorineural 28.6% Mixed 27.8% Conductive 15.7% 8. The shape of hearing impairments were High tone loss 46.9% Flat 30.2% Low tone loss 13.6% Mid tone loss 9.3% 9. The occurence of C5 dip was 15.8% in cases of tinnitus.