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1.
Annals of Dermatology ; : 167-172, 2017.
Article Dans Anglais | WPRIM | ID: wpr-25590

Résumé

BACKGROUND: Parallel-polarized light (PPL) photography evaluates skin characteristics by analyzing light reflections from the skin surface. OBJECTIVE: The aim of this study was to determine the significance of quantitative analysis of PPL images in rosacea patients, and to provide a new objective evaluation method for use in clinical research and practice. METHODS: A total of 49 rosacea patients were enrolled. PPL images using green and white light emitting diodes (LEDs) were taken of the lesion and an adjacent normal area. The values from the PPL images were converted to CIELAB coordinates: L* corresponding to the brightness, a* to the red and green intensities, and b* to the yellow and blue intensities. RESULTS: A standard grading system showed negative correlations with L* (r=−0.67862, p=0.0108) and b* (r=−0.67862, p=0.0108), and a positive correlation with a* (r=0.64194, p=0.0180) with the green LEDs for papulopustular rosacea (PPR) types. The xerosis severity scale showed a positive correlation with L* (r=0.36709, p=0.0276) and a negative correlation with b* (r=−0.33068, p=0.0489) with the white LEDs for erythematotelangiectatic rosacea (ETR) types. In the ETR types, there was brighter lesional and normal skin with white LEDs and a higher score on the xerosis severity scale than the PPR types. CONCLUSION: This technique using PPL images is applicable to the quantitative and objective assessment of rosacea in clinical settings. In addition, the two main subtypes of ETR and PPR are distinct entities visually and optically.


Sujets)
Humains , Méthodes , Optique et photonique , Photographie (méthode) , Rosacée , Peau
2.
Korean Journal of Dermatology ; : 259-263, 2017.
Article Dans Anglais | WPRIM | ID: wpr-203537

Résumé

Exophiala species are dark pigmented fungi associated with phaeohyphomycosis that exhibit yeast-like or hyphal forms of the fungus in superficial subcutaneous locations or systemic disease. The incidence of subcutaneous tissue infection of Exophiala species has recently increased, particularly in immunocompromised hosts. In Korea, E. jeanselmei, E. dermatitidis, and E. salmonis were isolated from patients with phaeohyphomycosis. However, there have been no case reports of phaeohyphomycosis caused by E. oligosperma. Here we report the first case of phaeohyphomycosis caused by E. oligosperma in Korea. An 82-year-old female with competent immune function presented with multiple subcutaneous masses on the dorsum of the left hand and wrist. A histopathological examination of the skin specimen revealed granulomatous inflammation with fungal hyphae and yeast. Molecular identification was performed using internal transcribed spacer sequences analysis. The sequence showed 100% identity with the E. oligosperma strains. She was treated with oral itraconazole and showed improvement.


Sujets)
Sujet âgé de 80 ans ou plus , Femelle , Humains , Exophiala , Champignons , Main , Hyphae , Sujet immunodéprimé , Incidence , Inflammation , Itraconazole , Corée , Phaeohyphomycose , Peau , Tissu sous-cutané , Poignet , Levures
4.
Annals of Dermatology ; : 133-135, 2016.
Article Dans Anglais | WPRIM | ID: wpr-169166

Résumé

No abstract available.


Sujets)
Kyste épidermique
5.
Korean Journal of Dermatology ; : 669-670, 2016.
Article Dans Coréen | WPRIM | ID: wpr-56610

Résumé

No abstract available.


Sujets)
Dermoscopie , Hémangiome , Lasers à colorant
6.
Annals of Dermatology ; : 393-395, 2016.
Article Dans Anglais | WPRIM | ID: wpr-80326

Résumé

No abstract available.


Sujets)
Adénocarcinome
8.
Annals of Dermatology ; : 622-623, 2015.
Article Dans Anglais | WPRIM | ID: wpr-142505

Résumé

No abstract available.


Sujets)
Adulte , Humains , Myofibrome , Cuisse
9.
Annals of Dermatology ; : 622-623, 2015.
Article Dans Anglais | WPRIM | ID: wpr-142504

Résumé

No abstract available.


Sujets)
Adulte , Humains , Myofibrome , Cuisse
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