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임현진,서이종 한국사회문화학회 2000 사회와 문화 Vol.12 No.-
This paper deals with the characteristics in the introduction of the concept of "knowledge society" and "information society" for Korean society at the 21st Century and with a usability of "knowledge-information society" as a conceptual synthesis. Chapter 2 shows that the concept of information society war introduced critically in the late 1980s and developed into an empirical research theme in the beginning of 1990s, with various conceptual variances, that the concept of knowledge society war introduced in the science of economy and business in the 1990s with various conceptual variances. Chapter 3/4 shows that information society concentrate on the information basis of knowlege transmission and storage, while knowledge society concentrate on the creation of knowledge as contents, that two concepts can be conceptually incorporated into "knowledge-based information society" or "information-based knowledge society", and finally into "knowledge-information society".
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A case of multiple superficial basal cell carcinomas on the periauricular areas
( Hyun Yi Suh ),( Joo Yoon Bae ),( Hong Lim Kim ),( Kyung Ho Kim ),( Ji Young Ahn ),( Mi Youn Park ),( Jai Il Youn ) 대한피부과학회 2016 대한피부과학회 학술발표대회집 Vol.68 No.1
Superficial basal cell carcinoma (sBCC), a rare sub-type of basal cell carcinoma, can frequently occur in younger patients. sBCC is one of the sub-types that can preferentially develop on the trunk or limb, while the other subtypes of BCC are mainly found on the head and neck. Herein, we report a rare case for sBCC arising on the both periauricular areas. An 86-year-old woman presented with well-demarcated erythematous sclay patches around ears for 5~6 years. On physical examination, there was 1×2.5 cm sized erythematous sclay patch with black spots on the right postauricular area and 1×1.5 cm sized brownish and erythematous patch on the left preauricular area. A skin biopsy was performed both skin lesions. On histopathologic examination, tumor nests showed budding and peripherally palisading basaloid tumor cells in the epidermis. After initial diagnosis of sBCC, we recommended operation but the patient refused to operate. So we have considered her ages and have treated with cryotherapy. The skin lesions have been improved after three times cryotherapy. We report this impressive case involving multiple sBCC found on both periauricular, a rare location for sBCC.
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A case of HIV associated pruritic papular eruption
( Hyun Yi Suh ),( Hong Lim Kim ),( Kyung Ho Kim ),( Jae Wook Jeon ),( Ji Young Ahn ),( Mi Youn Park ),( Jai Il Youn ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Papular pruritic eruption (PPE) of HIV has been considered to be within the spectrum of pruritic papular disorders in HIV. The primary skin lesions for PPE are firm, well-demarcated, erythematous papules originating on the extremities and occasionally spreading on the trunk. Because of severe pruritus, skin lesions are excoriated papules, marked postinflammatory pigment changes and eventually prurigo-like nodules. Histologically, they show superficial and deepinflammation and perivascular and interstitial infiltration of lymphocytes and eosinophils. 48-year-old male who visited our clinic for intensively pruritic scattered erythematous papules with crust and excoriations on the trunk and upper extremities. It appeared in 2 years ago. We implemented punch biopsy in the skin lesions and it histologically showed perifollicular and perivascular lymphocytic and eosinophilic infiltration. Therefore, we could make a diagnosis as HIV-PPE. We treated with antihistamine for his skin lesion and symptom. Recently, Patients infected with HIV have been increasing so we report this impressive case of HIV associated dermatosis.
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Efficacy of Tranexamic acid on senile purpura
( Hyun Yi Suh ),( Hong Lim Kim ),( Kyung Ho Kim ),( Jae Wook Jeon ),( Ji Young Ahn ),( Mi Youn Park ),( Jai Il Youn ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.2
Background: Senile purpura is a common, chronic skin condition affecting more than 10 percent of individuals over the age of 50. Despite being a benign condition, purpura lesions is frequently a source of significant visual and social concern. To date, there are no known effective treatments for this condition except for avoidance of physical injury. Objectives: The purpose of the study was to evaluate the efficacy in improving the skin``s appearance in patients with senile purpura. Methods: 20 patients were enrolled in the study. Patients were instructed to take medication 3 times in a day, tranexamic acid 250mg(Transamin?), for 3 weeks. We took pictures of their lesions on the arms at baseline, and at 1 and 3 weeks. We assessed patient``s satisfaction and clinical improvement assessed by a physician. Results: The mean number of their lesions was 7 on thearm, both at baseline. Although the new lesions presented, the existing lesions markedly faded or disappear after 1 week in 19 patients. In 20 patients, the mean number of all lesions on the arms was 6 at 1 week and 4 at 3 weeks. By patient self-assessment of the effectiveness, 85% of patients were satisfied with the medication. There was no laboratory abnormality including platelet count, PT, and aPTT in all patients. No adverse effects were noted by either the patients or investigators. Conclusion: We suggest that tranexamic acid may be considered an effective treatment to diminish skin bruising in patients with senile purpura.
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Psoriasis developed after tattooing
( Hyun Yi Suh ),( Hong Lim Kim ),( Kyung Ho Kim ),( Jae Wook Jeon ),( Ji Young Ahn ),( Mi Youn Park ),( Jai Il Youn ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Koebner phenomenon was initially reported as the formation of psoriasiform lesions after cutaneous trauma in the uninvolved skin of people with psoriasis in 1877 by Heinrich Koebner. More recently, the definition has been extended to include lesions developed after trauma in people with no pre-existing dermatosis. A 26-year-old man visted our clinic for erythematous scaly papuloplaques on the left arm around tattoo and forehead. He had tattoos on his arm before 5 months. The skin lesions on the forehead had appeared first since the 4 month and then on his forearms around tattoos, they had been appeared since 1month. The lesions were mild itchy. He had no family history of skin problems and no previous skin conditions. A skin biopsy was performed in the left forearms. Skin biopsy in lesion showed parakeratosis. perivascular inflammatory and the exogenous pigment of the tattoo is in the dermis. We treated with topical steroid agent for his skin lesion. We report this impressive case that getting a tattoo in the patient without pre-existing dermatosis should induce psoriasis by Koebner phenomenon.
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A Case of Subungual Verruca in All Fingers
( Hyun-yi Suh ),( Hong-lim Kim ),( Kyung-ho Kim ),( Mi-youn Park ),( Jai-il Youn ),( Ji-young Ahn ) 대한피부과학회 2017 大韓皮膚科學會誌 Vol.55 No.1
Viral warts are common, benign, and frequently irritating skin lesions caused by the human papillomavirus (HPV). Direct skin trauma is the usual cause of local viral infection <sup>1</sup>. However, development of infection depends on various local and systemic factors such as working environment or immunocompromise<sup>2</sup>. Subungual verruca is HPV infection of the nail bed. We report a rare case with subungual verruca in all 10 fingers. A 64-year-old man visited our clinic with subungual hyperkeratotic plaques in all fingers (Fig. 1A, B). The condition initially appeared in the hyponychium of the right first finger 3 years prior, and had since spread to all fingers. There was no evidence of trauma or underlying disease. The patient`s occupation was that of a professional scrubber, who scrubs down bathrooms in a public bathhouse. Potassium hydroxide (KOH) test was performed on all fingers to assess the possibility of a fungal infection(s); however, the results were negative. Subsequent biopsy and histological analysis of the lesion indicated papillomatous hyperplasia with hypergranulosis and parakeratosis in the epidermis. Viral inclusions were found in the upper epidermis. The biopsy tissue was subjected to liquid bead microarray assay for HPV detection and genotyping. The HPV oligonucleotide microarray detected type 11 and type 58 HPV. Thus, the final diagnosis was subungual warts. The patient was provided only three sessions of cryotherapy treatment and the lesions showed improvement after each session. However, owing to the pain during treatment, the patient did not return after the third session. Warts can develop from a few weeks to greater than a year after infection with HPV<sup>1</sup>. A less common area of infection is under the nail plate. Subungual warts may appear as a linear growth that penetrates deep underneath the nail plate, producing a longitudinal band of onycholysis, or a nodular lesion that lifts the nail plate ultimately leading to onycholysis 2. Lesion characteristics are influenced by the virus type as well as environmental and host factors<sup>4</sup>. Butcher`s warts are related to HPV type 7<sup>3</sup>. People in certain occupations have an increased risk of ungual warts. Up to 23% of handlers of meat and fish develop warts due to continuous skin maceration<sup>5</sup>. HPV is highly resistant to heat, desiccation, and detergents. Our patient worked in a communal washing area and his hands were subject to continuous skin maceration. In addition, one study<sup>5</sup> suggested that public shower users are at greater risk for plantar warts than those who do not use such communal showers. Therefore, our patient`s occupation and constant exposure to environ-mental factors contributed to the development of his skin lesions. Treatment for warts should be prescribed based on factors such as lesion size, number, and immunity<sup>2</sup>. Further-more, subungual warts may be difficult to treat due to their location. The most common forms of wart treatment are topical salicyclic acid application, cryotherapy with nitrogen, and laser therapy. In conclusion, we report a rare case in which an otherwise healthy man developed subungual warts on all fingers; the most probable cause was the environmental factor related to his occupation.
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[P299] Hand-foot-mouth Disease in an Immunocompetent Adult
( Hyun Yi Suh ),( Jae In Lee ),( Joo Yoon Bae ),( Hong Lim Kim ),( Hye Jung Jung ),( Mi Youn Park ),( Jai Il Youn ),( Ji Young Ahn ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.1
Hand-foot-mouth (HFM) disease is a highly infectious disease characterized by multiple vesicles on the hands, feet and in the oral cavity. It is primarily a disease of children and coxsackie virus A16 is the most common virus. Clinically, the onset is characterized by vesicles with fever and symptoms usually subside within 7 to 10 days. Although several cases of adult HFM disease have been reported, it has been rarely reported in healthy adults. We report a case of hand-foot-mouth disease in an immunocompetent adult. A 78-year-old female visited our clinic for multiple erythematous vesicular papules on the hands, feet and oral ulcer. The skin lesions developed the 3 days ago and were aggravated. Histopathological findings showed hyperkeratosis, parakeratosis, spongiosis, keratinocyte apoptosis in epidermis. Papillary dermal edema, perivascular lymphocytic infiltrates and dilated vessels were seen in the dermal layers. We did symptomatic treatments. Dermatologists should be aware that HFM disease can occur in adults with intact immune systems. We report this impressive case of hand-foot-mouth disease in an immunocompetent adult.
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