• 제목/요약/키워드: epilation

검색결과 8건 처리시간 0.017초

Radiosensitivity and the Occurrence of Radiation-related Cataract and Epilation

  • Tomita, Makoto;Otake, Masanori;Moon, Sung-Ho
    • Journal of the Korean Data and Information Science Society
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    • 제17권3호
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    • pp.889-904
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    • 2006
  • Our purpose is to ascertain, if possible, whether atomic bomb survivors with cataracts and epilation were more radiosensitive than those survivors with cataracts but without epilation. A major ophthalmologic survey was conducted in Hiroshima and Nagasaki in 1963-64. At that time, 2125 individuals were examined. Among these individuals, estimated eye organ doses, based on the DS86 dosimetry system, and information on the occurrence of epilation within the first 60 days following the bombings are available on 1742. In the analysis of these data we have assumed that each individual represents a sample of one from a binomial distribution, and that the occurrence of cataracts and epilation are independent biological phenomena. We got following results. The threshold for cataract induction and its 95% confidence limits have been estimated from data on the occurrence of cataract and epilation. Among the 1742 study subjects, 40 had both cataracts and severe epilation. The estimated threshold based on these cases is 0.98 sievert(Sv), with 95% lower and upper confidence bounds of 0.72, and 1.32 Sv, respectively, and is highly statistically significant. Among the 27 cases of cataracts where severe epilation was not reported, the estimated threshold is 1.74 Sv with 95% lower and upper confidence bounds of 1.21 Sv, and "not estimable". The difference between these two estimates is not statistically significant although the effect of dose is highly significant in both instances. The potential importance of biases in the DS86 dose estimates is discussed. The difference between the threshold estimated from cataract cases with epilation and that from cases without epilation is not statistically significant at the 5% or 10% level, and thus affords no support for the notion of increased radiosensitivity.

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Risk Relationship of Cataract and Epilation on Radiation Dose and Smoking Habit

  • Tomita, Makoto;Otake, Masanori;Moon, Sung-Ho
    • Journal of the Korean Data and Information Science Society
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    • 제17권4호
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    • pp.1349-1364
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    • 2006
  • An analytic approach that provides explicit estimates of risk on cataract and epilation data is evaluated by reasonableness of conceivable relative risk models regarding a simple, odds, logistic or Gompertz regression method, assuming a binomial distribution. In these analyses, we apply relative risk models with two thresholds between epilators and nonepilators from a highly characteristic lesion of which radiation cataract does not occur around 2 gray for a single acute exposure. The risk models are fitted to the data assuming 10 as a constant relative biological effectiveness of neutron. The likelihood of observing the entire data set in these models fitted is evaluated by an individual binary-response array. Estimation of a threshold with or without severe epilation and the 100 ($1-\alpha$)% confidence limits are derived from the maximum likelihood approach. The relative risk model with two thresholds can be expressed as a formula with structure of Background $\times$ RR, where RR includes threshold models with or without epilation. The radiosensitivity of ionizing radiation to cataracts has been examined for the relationship between epilators and nonepilators.

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레이저 제모술 후 발생한 편평사마귀 치험 2례 (Two Cases Report of Verruca Plana That Developed after Laser Hair Removal)

  • 이경엽;이은;조내경
    • 한방안이비인후피부과학회지
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    • 제28권2호
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    • pp.112-120
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    • 2015
  • Purpose : To observe effects of TKM (Traditional Korean Medicine) treatment for 2 patients who had verruca plana after having laser epilation of leg hair. Methods : We did retrospective chart review for 2 verucca plana patients who had been treated by TKM. TKM treatment included herbal treatment, herbal acupuncture and herbal ointment. Results : After TKM treatment, the patients' verucca plana remarkably disappeared and there was no recurrence. Conclusion : This study suggest that TKM may be an effective treatment for verucca plana.

개에서 전기제모술을 이용한 첩모중생의 치료 1례 (A case of distichiasis treatment using electroepilation in a dog)

  • 강명곤;한동현;한세명;정은겸;김경민;이신호;신윤주;강주빈;이동빈;고필옥;조재현;원청길;김충희
    • 한국동물위생학회지
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    • 제45권4호
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    • pp.325-330
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    • 2022
  • Distichiasis is one of the diseases commonly encountered in companion animals, and these abnormal eyelashes cause corneal ulcers, continuous eye irritation, eye pain, glare, epiphora, foreign body sensation and can cause corneal opacity and vision loss in severe cases. In this study, an eyelash epilation needle for animals was developed and applied to a real case, and the results were observed. In a case of corneal ulcer caused by distichiasis of a 2-year-old Shih Tzu, a high-frequency surgical instrument for animals was converted into an electric epilation needle to attempt a procedure to destroy the eyelash hair follicles on the upper eyelid. A epilation needle was developed to have a diameter of 0.1 mm and a length of 4 mm at the end of the handle of DOCTANZ 400, an electrosurgical instrument for animals only. In the procedure, 2~3 mm of an epilation needle was inserted into the hair follicle, and 1 watt of electric power was applied to the hair follicle for about 5 sec. to carry out electrolysis until white bubbles were generated around the meibomian glands thereby destroying the hair follicle. As a result, no eyelashes grew any longer in the treated area indicating that the treatment was successful. It is hoped that the method developed in this study will be applied so that it will be widely used as a treatment method for distichiasis in companion animals that can be frequently seen hereafter.

A Study on Hair Removal Characteristics Using a Long-pulsed Alexandrite Laser

  • Choi Jin-Young;Kim Sang-Gil;Park Jong-Woong;Park Sung-Joon;Kim Hee-Je
    • KIEE International Transactions on Electrophysics and Applications
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    • 제5C권1호
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    • pp.33-38
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    • 2005
  • Recently, lasers have become widely used throughout the medical treatment field. Several types of lasers have been used for the purpose of hair removal since the Alexandrite laser was approved by the FDA (Food & Drug Administration) for clinical epilation. In this study, a long-pulsed Alexandrite laser system for hair removal adopting a multi-discharge method in which three flash lamps are turned on consecutively was designed and fabricated. This laser system shows the technology that makes it possible to create extended pulse by turning on three flash lamps consecutively. With this technique, the pulse width can be varied from 4ms∼10ms. Then using this Alexandrite laser system with the pulse width 10ms and the beam size 7mm, hair removal was performed on the back portion of a human hand and leg. This study shows that treatment by the long-pulsed Alexandrite laser produces hair removal with no relevant side effects.

실험동물에 유발시킨 피부사상균증에 대한 연구 (Study of the Experimental Dermatophyte Infection in Animals)

  • 최종수;황계영;김기홍;김성광;정재규;서순봉
    • Journal of Yeungnam Medical Science
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    • 제4권1호
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    • pp.81-87
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    • 1987
  • 피부사상균증의 접종방법을 표준화하기 위하여 N. gypsea "+"와 A. benhamiae "+"를 가토, 기니픽, rat, mouse에 정량적으로 접종하여 다음의 결과를 얻었다. 1. 포자의 농도가 높을수록 감염률이 높았고 입상양상이 심하고 일찍 나타나서 오래 지속되었다. 2. 난전, 소피, 강제발모, 단순빈도의 순으로 감염이 잘되어 피부손상의 정도에 비례함을 알 수 있었다. 3. 피부사상균에 대한 감수성은 기니픽, 가토, rat의 순으로 높았고 mouse는 전혀 감염되지 않았다. 4. N. gypsea "+"에 비해 A. benhamiae "+"는 감염률이 높고 입상양상이 더 심하고 빨리 진행되어 조기에 조절되었다.

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Photo Epilation with Intense Pulsed Light for Thinning of Anterior Hairline after Hairline Correction Surgery in East Asians

  • Park, Jae Hyun;Lee, Seung Yong;You, Seung Hyun;Kim, Na Rae
    • Archives of Plastic Surgery
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    • 제44권2호
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    • pp.157-161
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    • 2017
  • Background Thin hairs are critical to achieve natural result in female hairline correction surgery. However, there are few studies on the usefulness of hair thinning by intense pulsed light (IPL) after hairline correction surgery in East Asian females. Methods Hair thinning using IPL was performed in 54 women who had complained about thick hairs along the frontal hairline after hairline correction surgery. Patient mean age was 31.2 years old and patients were an average of 2.1 years post-hairline correction surgery. Initial treatment used 10 J, while second and third sessions were conducted with 10 to 15 J according to responsiveness to treatment. Results Mean thickness of individual hairs assessed before the procedure was $78.86{\mu}m$. The mean number of procedures was 1.6 per patient. Forty of 54 subjects (74%) achieved satisfactory hair thinning with only one procedure from 78.01 to $66.14{\mu}m$ after treatment. The measured thickness was $66.43{\mu}m$ at the end of the first year in patients who were satisfied after one procedure. Thirteen cases achieved satisfactory hair thinning after two sessions. Mean thickness was $74.44{\mu}m$ and $67.51{\mu}m$, before and after the second session. One case required a third session with 15J, thinning from 89.00 to $66.50{\mu}m$. Conclusions Hair thinning by IPL is a very useful method to provide a natural look after hairline correction surgery in East Asians, who have naturally thick hair.

증례보고: 전두피판술 후 시행한 알렉산드라이트 제모레이저에 의한 화상 (A Burn after Alexandrite® Laser Hair Removal on a Forehead Flap: A Case Report)

  • 홍준식;이동락;모영웅;강인호;신혜경;이준호;정규용
    • 대한화상학회지
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    • 제24권1호
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    • pp.14-17
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    • 2021
  • The nose is a complex three-dimensional structure and represents a major aesthetic focus of the face. As a gold standard for nasal soft tissue reconstruction, the 'forehead flap' provides reconstructive surgeons a robust pedicle and large amount of tissue to reconstruct almost any defect. However, during this process, some hair can be unintentionally introduced to the nose. Accordingly, laser hair removal is sometimes needed, but blood circulation and flap survival should be carefully monitored. Despite careful evaluation, a third-degree burn occurred in our patient that required eight weeks to heal. Here, we report on a burn resulting from epilation conducted 2 weeks after forehead flap for nasal reconstruction.