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노용관 ( Yong Kwan Rho ),유광호 ( Kwang Ho Yoo ),김범준 ( Beom Joon Kim ),김명남 ( Myeung Nam Kim ) 대한피부과학회 2008 대한피부과학회지 Vol.46 No.9
Hodgkin`s disease (HD) is a lymphoproliferative disorder that presents as a clinically asymptomatic mass or painless lymph node swelling. Cutaneous HD is a very rare manifestation in patients with HD. A 66-year-old man complained of a maculopapular rash waxing and waning for one year. A painful mass had developed on his left axilla 7 weeks prior to presenting. The biopsy specimens of both skin and lymph node revealed Hodgkin`s lymphoma with atypical lymphoid cells and Reed-Sternberg cells. We report a case of cutaneous involvement of HD, which had been presented as a maculopapular rash for one year. (Korean J Dermatol 2008;46(9):1262~1265)
노용관 ( Yong Kwan Rho ),유광호 ( Kwang Ho Yoo ),김지영 ( Ji Young Kim ),이갑석 ( Kap Sok Li ),서성준 ( Seong Joon Seo ),홍창권 ( Chang Kwun Hong ),송계용 ( Kye Yong Song ) 대한피부과학회 2009 대한피부과학회지 Vol.47 No.1
Epidermal nevi are harmatormas that are the result of developmental malformations of the epidermis, and these lesions present with a variety of clinical and histological characteristics. Some tumors can arise in epidermal nevi because epidermal nevi develop from multipotent germinative cells. We report here on a 57-year-old woman who had epidermal nevi arranged in a linear pattern since childhood. Her epidermal nevi were located in her left chest, arm and shoulder, upon which multiple trichillemal cysts seemed to develop after several years. We think that this patient with linear epidermal nevi associated with multiple trichilemmal cysts is a rare and distinctive case. (Korean J Dermatol 2009;47(1):55~58)
노용관 ( Yong Kwan Rho ),김연진 ( Yeon Jin Kim ),안지영 ( Ji Young Ahn ),서성준 ( Seong Jun Seo ),홍창권 ( Chang Kwun Hong ),송계용 ( Kye Yong Song ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.11
Adult xanthogranuloma is nearly indistinguishable from juvenile xanthogranuloma characterized by yellow-red nodules on the skin, normal lipid findings and the proliferation of xanthomatizied histiocytes with foamy Touton cells, histologically. But unlike juvenile xanthogranuloma, there is no visceral involvement, spontaneous regression and more solitary lesions. Multiple adult xanthogranulomas are rare entities that present more spontaneous involution. Here we report a case of a 39-year-old patient with multiple xanthogranulomas which developed on the face, trunk and extremities. Diagnostic workup revealed normal lipid profile and no extracutaneous manifestations. (Korean J Dermatol 2007;45(11):1176∼117)
노용관 ( Yong Kwan Rho ),김범준 ( Beom Joon Kim ),김명남 ( Myeung Nam Kim ),노병인 ( Byung In Ro ) 대한피부과학회 2008 대한피부과학회지 Vol.46 No.6
Background: Androgenetic alopecia is the most common form of hair loss in people with a genetic predisposition. It is characterized by the miniaturization of terminal hair follicles and the formation of vellus-like follicles. Objective: The aim of this study was to evaluate the prevalence, clinical manifestation, genetic and endocrine factor, and associated diseases of Korean patients with androgenetic alopecia. Methods: We studied 789 Korean men and women with androgenetic alopecia. A detailed history was taken and their hormonal values were measured. A pelvic ultrasound scan was performed to check for abnormalities the ovaries and uterus of 56 women with androgenetic alopecia. Results: The number of men was 1.9 times more (520) than that of women (269). Most of them were in their twenties (male 223; 42.8%, female 85; 31.5%). In the 520 male patients, Norwood class IIIv was dominant (161 patients; 30.9%). In the 269 female patients, Ludwig class I was superior (218 patients; 81%). 395 (75.9%) of male patients and 198 (73.6%) of female patients had a family history of androgenetic alopecia. The most common associated disorder was seborrheic dermatitis (male 407; 78.2%, female 155; 57.6%). And others included atopic dermatitis, hypertension, thyroid disease, etc. Serum testosterone levels were increased in 92 (17.6%) of the male patients and in 36 (13.3%) of the female patients. Abnormal pelvic ultrasound findings were observed in 10 (18%) of 56 female patients, and the conditions were ovarian cysts (8.9%), Uterine myoma (5.4%), uterine mass (2%), endometrial mass (2%). Conclusion: Androgenetic alopecia is a disease that has genetic and familial tendency and is associated with the androgen level. The number of androgenetic alopecia patients was increasing and type IIIv was most common in the male patients. The pelvic ultrasound showed an increased rate of abnormal findings in the female patients with androgenetic alopecia, but ultrasound is not an appropriate routine test to evaluate. (Korean J Dermatol 2008;46(6):729∼735)
스테로이드 단기투여로 신속히 호전된 대상포진 환자의 안구 외전 마비
노용관 ( Yong Kwan Rho ),이진웅 ( Jin Woong Lee ),김지영 ( Ji Young Kim ),이갑석 ( Kap Sok Li ),서성준 ( Seong Joon Seo ),홍창권 ( Chang Kwun Hong ) 대한피부과학회 2008 대한피부과학회지 Vol.46 No.10
Herpes zoster ophthalmicus involving the first division of the fifth cranial nerve produces various clinical manifestations. Among them, external ocular motor palsy is a rare and uncomfortable complication, but it is generally transient and self-limited. This palsy can have a neural, vascular ormuscle origin. We report here on a case of ocular abduction palsy in a patient with herpes zoster ophthalmicus, and this palsy cleared up after treatment with systemic steroid for two weeks. (Korean J Dermatol 2008;46(10):1395∼1397)
노용관 ( Yong Kwan Rho ),유광호 ( Kwang Ho Yoo ),김지영 ( Ji Young Kim ),이갑석 ( Kap Sok Li ),서성준 ( Seong Joon Seo ),홍창권 ( Chang Kwun Hong ),송계용 ( Kye Yong Song ) 대한피부과학회 2008 대한피부과학회지 Vol.46 No.12
Spindle cell lipoma is a benign, subcutaneous neoplasm typically located on the neck, back and shoulder of men. Pseudoangiomatous spindle cell lipoma is a rare variant of spindle cell lipoma that is characterized by non-vascular branching spaces. A 64-year old man presented with 2 masses on the abdomen. Although 1 tumor had a very low fat component, it could be histologically diagnosed as pseudoangiomatous spindle cell lipoma due to CD 34 positive spindle cells, ropey collagen and blood vessels. We report a case of pseudoangiomatous spindle cell lipoma on the abdomen, which was diagnostically difficult due to a scanty fat component. (Korean J Dermatol 2008;46(12):1644∼1647)
유광호 ( Kwang Ho Yoo ),노용관 ( Yong Kwan Rho ),김동하 ( Dong Ha Kim ),박주희 ( Ju Hee Park ),김범준 ( Beom Joon Kim ),김명남 ( Myeung Nam Kim ),한태영 ( Tae Young Han ),이갑석 ( Kap Sok Li ),서성준 ( Seong Jun Seo ),홍창권 ( Cha 대한피부과학회 2009 대한피부과학회지 Vol.47 No.7
Background: Androgenic alopecia (AGA) is characterized by the local and gradual transformation of terminal scalp hair into vellus hair, which has a shorter and thinner shaft. It is the most common form of hair loss in people with a genetic predisposition for baldness. Objective: The aim of this study was to evaluate the prevalence, AGA type, family history, co-morbidity diseases, stress factors and endocrine factors of AGA patients. Methods: We examined a total of 432 male and female AGA patients who visited for two years at the Department of Dermatology, School of Medicine, Chung-Ang University. Results: There were 2.06 times more men (291 patients) than women (141 patients) among the study subjects. Most of the men were in their twenties (108, 37.1%), however, most of the women were in their forties (42, 29.7%). In the 291 male patients, Norwood class IIIv was dominant (120 patients, 41.2%). In the 141 female patients, Ludwig class I was dominant (87 patients, 61.7%). 219 (75.2%) of the 291 male patients and 81 (73.6%) of the 141 female patients had a family history of AGA. 224 (76.9%) of the 291 male patients and 101 (53.4%) of the 141 female patients had a co-morbidity disorder. The most common among these disorders in both the male and female patients was seborrheic dermatitis. Stress factors were observed in 162 (55.6%) of the 291 male patients and in 78 (55.3%) of the 141 female patients. The most common stress factor in both the male and female patients was work tasks. The serum testosterone levels was increased in 51 (17.5%) of the 291 male patients and in 20 (14.1%) of the 141 female patients. Conclusion: Most of the study results are compatible with those of our previous study. Yet the following results were different: (1) the number of female AGA patients in their forties is increasing; and (2) stress was found to be associated with AGA in both the male and female patients. (Korean J Dermatol 2009;47(7):765~771)
Resin-modified glass ionomer cements의 파절 및 저단결합강도에 관한 실험적 연구
김재곤,양철희,안수현,노용관,백병주,Kim, Jae-Gon,Yang, Cheol-Hee,An, Soo-Hyeon,Rho, Yong-Kwan,Baik, Byeong-Ju 대한소아치과학회 1998 大韓小兒齒科學會誌 Vol.25 No.1
The purpose of this study was to compare the fracture and shear bonding strength of resin-modified glass ionomer cements with composite resin and conventional glass ionomer cement Three kinds of restorative materials including a composite resin (Z 100), a conventional glass ionomer cement(Fuji II), and resin- modified glass ionomer cements(Fuji II LC, Vitremer, Dyract and Compoglass) were investigated in this study. For measurement of fracture and shear bonding strength, disk samples of the materials were prepared and cylindrical samples of the materials were bonded the flat enamel and dentin surfaces according to manufactuer's instructions. All specimen were determinated by using an Instron testing machine with a crosshead speed of 1 mm/min. Then, each treated enamel and dentin surface was observed by SEM. The following results were obtained. 1. The bi-axial flexural strength of Z 100 was highest, and Fuji n LC, Vitremer, Dyract and Compoglass were significantly higher than Fuji n (P<0.05). 2. The shear bonding strength of Z 100 on the enamel and dentin surface was higher than other experimental groups except Fuji II LC(P<0.05). Fuji II LC was significantly higher than Fuji II (P<0.05), but in the case of Vitremer, Dyract and Compoglass were similar to Fuji II (P>0.05). 3. The shear bonding strength of Z 100 and Fuji II LC on the enamel surface were highly increased as compared with dentin surface (P<0.05), but in the case of Fuji II, Vitremer, Dyract and Compoglass were not different between enamel and dentin(P>0.05). 4. In the Z 100 and Fuji II LC, obvious etched enamel surface and exposed dentinal tubules according to remove of smear layer and smear plug were observed.
Chamomile추출물과 Myrrh으로 치료한 항문 미란(치열)
김연진 ( Yeon Jin Kim ),노용관 ( Yong Kwan Rho ),김범준 ( Beom Joon Kim ),김명남 ( Myeung Nam Kim ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.11
Anal disorders are common and more than one half of the population will experience one at some time during their lives. Anal erosion and fissures can cause discomfort, severe pain, bleeding and inflammation. In the acute phase of anal erosion, with bowel habit management and topical emollient, lesions can be improved. Chamomile and Myrrh are known for centuries to have several effects and have anti-inflammatory, sedative, antibacterial and antifugal properities. Here, We report a case of anal erosion treated with Chamomile and Myrrh extracts (Ad-Muc(R)). Our case indicates that Chamomile and Myrrh extracts might play a role in the management of anal erosion and fissure. (Korean J Dermatol 007;45(11):1170∼1172)