1.Ehlers - Danlos Syndrome.
Korean Journal of Dermatology 1980;18(3):213-217
Ehlers-Danlos syndrome is an inherited disorder of connective tissue in which joint hypermobility, hyperelasticity of skin, bleeding tendency, and scar formation are the most prominent features. It is a generalized disease with essentially universal involvement. A 3-year-old female child had velvety skin, skin hyperextensibility, joint hypermobility, subcutaneous mobile masses on the left shin, many scars on both knees, subcutaneous hematoma, and thick and very folded skin on both palms and soles, but no evidence of internal disorder. Cutaneous histopathologic findings were nonspecific without increase of dermal elastic fibers on Verhoeff stain. Diagnosis was confirmed by clinical and histopathological findings as Ehlers-DanIos syndrome.
Child
;
Child, Preschool
;
Cicatrix
;
Connective Tissue
;
Diagnosis
;
Ehlers-Danlos Syndrome
;
Elastic Tissue
;
Female
;
Hematoma
;
Hemorrhage
;
Humans
;
Joint Instability
;
Knee
;
Skin
2.The Study on the Effects of Psoralen Derivatives on Epidermal Melanocytes in C57 BL Mice after Topical Photochemotherapy.
Seung Min LEE ; Seung Kyung HANN ; Yoon Kee PARK
Annals of Dermatology 1994;6(1):1-8
BACKGROUND: Monofunctional psoralens plus UVA radiation are not severely phototoxic and have less mutagenic activity than bifunctional psoralens plus UVA radiation. OBJECTIVE: The purpose of this study was to evaluate pigment producing effect using various concentrations(0.02%, 0.1%, 0.5%) of monofunctional psoralens such as angelicin, khellin and comparing it's effect with TMP in topical photochemotherapy. METHOD: Ninty three C57BL mice were painted with either angelicin, khellin or TMP solution in concentrations of 0.02%, 0.1% and 0.5% each and were UVA irradiated. Skin biopsies were performed at 1,3,5 weeks after UVA irradiation. The pigment producing effects were measured by the number, area and perimeter of the melanocytes after topical PUVA. RESULTS: The comparison of melanocyte numbers between different psoralens after five weeks of photochemotherapy showed a significant difference in decreasing order of TMP, khellin and angelicin. The area and perimeter of melanocytes were larger in the TMP group after five weeks photochemotherapy than the other group. However in the khellin and angelicin group, the area and perimeter of melanocytes were not increased by increasing the frequency of the UVA irradiation. CONCLUSION: The number, area and perimeter of melanocytes after topical PUVA increased in the TMP group compared to angelicin or khellin group. We expect the clinical application of angelicin and khellin in vitiligo is possible considering the result of the study of pigment producing effect with a higher concentration and higher dose of UVA.
Animals
;
Biopsy
;
Ficusin*
;
Furocoumarins
;
Khellin
;
Melanocytes*
;
Methods
;
Mice*
;
Mice, Inbred C57BL
;
Paint
;
Photochemotherapy*
;
Skin
;
Thymidine Monophosphate
;
Vitiligo
3.Clinical Features of Vitiligo.
Seung Kyung HANN ; Han Seung LEE ; Yoon Kee PARK
Annals of Dermatology 1998;10(4):217-228
Vitiligo is a relatively common depigmentary disorder occurring in approximately 1-2% of the general population. All races are affected. Both sexes are likely to be affected equally; the female prevalence in some studies can probably be attributed to cosmetic reasons. It can occur and spread at any stage of life and is often associated with a positive family history. Up to 30 percent of patients have reported vitiligo in another family member. The lesion is characterized by discrete, pale-white macules, few or several in number, which tend to enlarge centrifugally over time. It is not contagious, nor is it a serious health problem. However, it can be troublesome in brown and black people as well as in white persons who tan deeply (skin phototype IV), and often leads to social embarrassment and psychological turmoil.
Continental Population Groups
;
Female
;
Humans
;
Prevalence
;
Triacetoneamine-N-Oxyl
;
Vitiligo*
4.Distribution of catecholamine in nasal mucosa in perennial allergicrhinitis.
Jeung Gweon LEE ; Joo Heon YOON ; Seung Chul LEE
Korean Journal of Otolaryngology - Head and Neck Surgery 1992;35(2):302-308
No abstract available.
Nasal Mucosa*
5.Optic Nerve sheath Meningioma: A case report.
Yoon Jung CHOI ; Yong Hee LEE ; Tai Seung KIM
Korean Journal of Pathology 1994;28(4):430-432
Optic nerve sheath meningioma arises from the arachnoid cap cell of optic nerve sheath and comprises most of primary orbital meningioma. We experienced a rare case of optic nerve sheath meningioma originating in the left orbit. A 44-year-old woman had suffered from visual disturbance in the left eye for 3 years and had only light perceptibility for the recent 6 months. The right eye was normal. Brain CT scan and MRI revealed a 2x0.8 cm sized fusiform solid mass in the left retrobulbar area. Under the impression of optic nerve tumor. excision of the mass including a small segment of the optic nerve was performed. The tumor was a yellowish firm, relatively well demarcated mass that encircled the optic nerve without infiltrating it. Microscopically it was a typical meningioma, meningothelial type. The recovery of visual acuity was impossible due to resection of optic nerve but there was no evidence of recurrence for u months.
Female
;
Humans
;
Meningioma
6.A Case of Infantile Myofibromatosis.
Hong Tak LEE ; Seung Ho CHANG ; Tae Young YOON
Korean Journal of Dermatology 1997;35(1):182-186
Infantile myofibromatosis is an uncornmon, benign, self-limiting, localized or generalized process, probably of hamartomatous origin, which consists to a large degree of cells having the characteristics of myofibroblasts and sometimes of pericytes. Both solitary and multicentric forms occur. Most lesions are present at birth or in early infancy, and some are familial in origin. A female newborn presented with a firm, round, red colored, 3 x 3 cm sized tumor with central necrosis on the left chest. Histological examination revealed well-circumscribed nodules consisting of short bundles of plump, spindle shaped cells displaying staining characteristics intermediate between fibroblasts and smooth muscle cells. The tumor was immunoreactive for actin but did not stain for desmin. A Follow-up examination at the age of 3 months revealed a moderate degree of spontaneous regressior of the lesion.
Actins
;
Desmin
;
Female
;
Fibroblasts
;
Follow-Up Studies
;
Humans
;
Infant, Newborn
;
Myocytes, Smooth Muscle
;
Myofibroblasts
;
Myofibromatosis*
;
Necrosis
;
Parturition
;
Pericytes
;
Thorax
7.Restriction fragment length polymorphism analysis in differentiating mycobacterium tuberculosis strains.
Tae Yoon LEE ; Seung Gu SHIN ; Sung Kwang KIM
Journal of the Korean Society for Microbiology 1992;27(2):155-161
No abstract available.
Mycobacterium tuberculosis*
;
Mycobacterium*
;
Polymorphism, Restriction Fragment Length*
8.The Recovery of Epidermal Barrier after Stratum Corneum Injury and the Changes of Epidermal Lipid Contents in Hand Eczema and Normal Subjects.
Seung Hun LEE ; Kyeong Han YOON ; Mi Sun WHANG
Korean Journal of Dermatology 1995;33(6):1053-1059
BACKGROUND: In eczematous skin it is expected that altered defense mechanisms are employed against an injury, which mechanisms include alterations in the stratum corneum barrier function and lipid contents. OBJECTIVE: To investigaten aspect of pathophysiology of hand eczema by comparing the water holding capacities and transepidermal water loss(TEWL) after injuries on the skin and by comparing the epidermal lipid contents between hand eczema and normal subjects. METHODS: The water holding capacities were checked by corneometer, and the TEWL were checked after epidermal barrie! destruction with acetone or adhesive tapes. The epidermal lipids were extracted with acetone, ther (1: 1 v/v) mixture solvent and analysed by HP- TLC. RESULTS: The water holdingapacities were decreased in eczema of the palm, but the recoveries of TEWL and the lipid content did not differ between hand eczema and normal subjects. CONCLUSION: The water holding capacities were decreased in the eczematous skin. But there were no significant differencies in the recovery of destructed epidermal barrier and the epidermal lipid contents.
Acetone
;
Adhesives
;
Defense Mechanisms
;
Eczema*
;
Hand*
;
Skin
;
Water
9.Vaginal Ureterolithotomy: A Case Report.
Seung Chan LEE ; Sang Tai HAH ; Jong Byung YOON
Korean Journal of Urology 1982;23(8):1191-1193
Herein we report an experience of the vaginal ureterolithotomy. The patient was a 48-year-old woman with a juxtavesical left ureteral stone, which was vaginally palpable. Although this operation has limited indications, it is a safe and easy method of removing stones from the lowermost ureter especially in the women. This method seems to have considerable value to be attempted in the carefully select patients.
Female
;
Humans
;
Middle Aged
;
Ureter
10.An Immunohistochemical Stain in Paget's Disease.
Hong Tak LEE ; Seung Ho CHANG ; Tae Young YOON
Korean Journal of Dermatology 1998;36(5):796-803
BACKGROUND: Generally, there are few problems in the diagnosis of Paget's disease(PD) using the H&E stain. However, the differentiation of PD from the clonal type of Bowens disease and superficial spreading melanoma in situ that shows pagetoid spreading of tumor cells, may present diagnostic difficulties. In addition, the specia1 stains used for demonstrating the presenee of Pagets cells, such as PAS and mucicarmim, are non-specific and not always sensitive. So, inenunohistochemical stains with monoclonal antibodies against various antigens may be helpful for differentiating PD from ather morphologically similar skin lesions. OBJECTIVE: The purpose of this study was to investigate the diagnostic accuracy of immunohisto- chemical staining for diagnostic use in PD. METHODS: Immunohistochemical stains used in the biotin streptavidin amplificxl technique with monoclonal antibodies to several low rnolecular weight cytokeratin(CK)s, EMA and CEA, were performed on formalin-fixed, paraffin-embedded tissue. Twelve cases of PD(10 cases of extranmmmary PD and 2 cases of mammary PD), five cases of superficial spreading melanoma in situ and five cases of Bowens disease were investigated. RESULTS: The results were as follows. 1. Positive reactions with variable intensity using CK7, CKS, CK19 were seen in all cases(100%) of PD and the. staining intensity tor CK7 or CK19 was stronger than that of CKS. 2. Of the 12 cases of PD, both CK18 and CAM5.2 staining showed positivity in 11 cases(92%). 3. EMA and CEA staining showed positivity in 10(83%) and 9(75%) of 12 cases, respectively. 4. Some Pagets cells were negative for CK8, CK18 and EMA, although other positive cells were observed in the same sections. 5. All antigens were consistently negative in all cases of Bowens disease and superficial spreading melanoma in situ. CONCLUSION: The results show that moaoclonal antibodies to low molecular weight CKs are more sensitive than EMA or CEA in the demonstration of Pagets cells. Moreover, among the low molecular weight CK series, CK7 and CK19 are most useful for their high sensitivity and intensity.
Antibodies
;
Antibodies, Monoclonal
;
Biotin
;
Bowen's Disease
;
Coloring Agents
;
Diagnosis
;
Melanoma
;
Molecular Weight
;
Skin
;
Streptavidin