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Mika Shigeta Minoru Saiki Daisuke Tsuruta Chika Ohata Norito Ishii Fumitake Ono Takahiro Hamada Teruki Dainichi Minao Furumura John J. Zone Sarolta Karpati Cassian Sitaru Takashi Hashimoto 《The Journal of dermatology》2012,39(12):1002-1005
Dermatitis herpetiformis (DH) is common in some Caucasian populations but extremely rare in Japanese, probably because of different immunogenetic backgrounds. We report two Japanese DH cases with typical clinical, histological and direct immunofluorescence features. However, no symptom of gluten‐sensitive enteropathy was shown. The diagnosis was confirmed by eliminating other autoimmune blistering diseases by indirect immunofluorescence, enzyme‐linked immunosorbent assays and immunoblotting. However, circulating immunoglobulin (Ig)A anti‐endomysium, reticulin and gliadin antibodies were not detected. IgA antibodies to tissue and epidermal transglutaminases were also negative. One case was associated with lung cancer and the other one with autoimmune pancreatitis. On review of 17 cases of DH reported in Japan over the previous 10 years, including our cases, one case was associated with gluten‐sensitive enteropathy, four with malignant neoplasms, two with autoimmune systemic disorders and one with psoriasis. Although our cases were typical of DH in clinical, histopathological and IgA deposit features, they showed different human leukocyte antigen haplotypes, no gluten‐sensitive enteropathy and no DH‐specific IgA antibodies, including those to epidermal and tissue transglutaminases. These results suggest that studies of unique characteristics in Japanese DH patients should facilitate further understanding of pathogenesis in DH. 相似文献
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Fumitake ONO Shinichiro YASUMOTO Minao FURUMURA Takahiro HAMADA Norito ISHII Takashi GYOTOKU Mitsunari HIGUCHI Kenichiro INOKUCHI Kazuo JYO Hideaki KOGA Ayako KOMAI Koji MARUTA Tami MASHIKO Tsukasa MIHARA Hiroko MIYAHARA Minoru MIYASATO Koichiro MUTO Koichi NAGASE Masakazu NAGATA Hideki SAKIHAMA Tomoko TANAHASHI Atsuto UEDA Kyoko YAMAKAWA Chika OHATA Teruki DAINICHI Daisuke TSURUTA Takashi HASHIMOTO 《The Journal of dermatology》2012,39(11):902-908
Famciclovir is a guanine analog antiviral drug used commonly for herpes zoster. Efficacy of famciclovir treatment has been reported to be comparable to valacyclovir treatment. Both of these medications reduce the time to complete cessation of zoster‐associated pain including post‐herpetic neuralgia, as compared to acyclovir. We conducted a multicenter, randomized, open clinical trial in order to evaluate the extent of pain relief afforded by these two antiviral drugs during the acute disease phase of herpes zoster. The study group comprised 86 immunocompetent adult patients suffering from herpes zoster, who were treated with either famciclovir or valacyclovir for 7 days. Of these, 55 patients enrolled in this study within 72 h of the onset of the rash and 31 patients after 72 h of the onset. There was a significant reduction in acute herpes zoster pain with famciclovir on day 7 and at 2–3 weeks in both of these patient groups, while with valacyclovir, there was not significant reduction in pain on day 7. Of patients aged 50 years or older, there was a significantly earlier reduction in pain with famciclovir than with valacyclovir. In addition, a significant reduction in the number of patients with pain was observed as early as days 3–4 with famciclovir treatment as compared with valacyclovir treatment. We conclude that famciclovir was superior to valacyclovir in the relief of acute pain of herpes zoster. Accordingly, famciclovir is recommended for herpes zoster patients with moderate symptoms and a visual analog scale score of under 50 mm. 相似文献
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Dekio I Matsuki S Furumura M Morita E Morita A 《Photodermatology, photoimmunology & photomedicine》2010,26(6):333-335
Actinic lichen planus (ALP) is a rare variant of lichen planus in which lichen planus develops on the light-exposed areas of the skin. ALP is reported to occur in the African, Middle Eastern,and Indian populations, with very few cases reported in Caucasians. Here, we report a case of ALP in a Japanese man; to the best of our knowledge, this is the first reported occurrence of ALP in the East Asian population. A 52-year-old Japanese man developed recurrent painful annular erythema on the face and hands. Histopathological examination of his skin biopsy revealed lichenoid-type infiltrates of lymphocytes and histiocytes. We established a diagnosis of ALP on the basis of the distribution of eruptions only on the sunlight-exposed areas and histological findings. Oral administration of systemic steroids proved effective in improving his condition. Lichen planus is known to be induced by an irritant (Koebner phenomenon);we believe that our patient is genetically susceptible to sunlight exposure and that sunlight acted as an irritant stimulating the development of ALP. 相似文献
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Japanese Dermatological Association Guidelines: Guidelines for the treatment of acne vulgaris 2017
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Nobukazu Hayashi Hirohiko Akamatsu Keiji Iwatsuki Ryoko Shimada‐Omori Chikako Kaminaka Ichiro Kurokawa Takeshi Kono Miwa Kobayashi Miki Tanioka Fukumi Furukawa Minao Furumura Osamu Yamasaki Kenshi Yamasaki Yuki Yamamoto Yoshiki Miyachi Makoto Kawashima 《The Journal of dermatology》2018,45(8):898-935
The Guidelines for the Treatment of Acne Vulgaris of the Japanese Dermatological Association was first published in Japanese in 2008 and revised in 2016 and 2017. These guidelines (GL) indicate the standard acne treatments in Japan and address pharmaceutical drugs and treatments applicable or in use in Japan. In these GL, the strength of the recommendation is based on clinical evidences as well as availability in Japanese medical institutions. In the 2016 and 2017 GL, some of the clinical questions were revised, and other questions were added in accordance with approval of topical medicines containing benzoyl peroxide (BPO). Rather than monotherapies of antibiotics, the 2017 GL more strongly recommend combination therapies, especially fixed‐dose combination gels including BPO in the aspects of pharmacological actions and compliance in the acute inflammatory phase to achieve earlier and better improvements. The 2017 GL also indicate to limit the antimicrobial treatments for the acute inflammatory phase up to approximately 3 months and recommend BPO, adapalene, and a fixed‐dose combination gel of 0.1% adapalene and 2.5% BPO for the maintenance phase to avoid the emergence of antimicrobial‐resistant Propionibacterium acnes. The 2017 GL also discuss rosacea, which requires discrimination from acne and a different treatment plan. 相似文献
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Epidermal polymeric immunoglobulin receptors: leads from intraepidermal neutrophilic IgA dermatosis‐type IgA pemphigus
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Atsunari Tsuchisaka Norito Ishii Takahiro Hamada Kwesi Teye Ryosuke Sogame Hiroshi Koga Daisuke Tsuruta Chika Ohata Minao Furumura Takashi Hashimoto 《Experimental dermatology》2015,24(3):217-219
In this study, we attempted to identify unknown autoantigen for intraepidermal neutrophilic IgA dermatosis‐type IgA pemphigus by novel IgA‐specific immunoprecipitation. Mass‐spectrometry study identified polymeric immunoglobulin receptor (PIGR) as the candidate protein, and we confirmed that PIGR expressed in both epidermis and cultured keratinocytes. Eukaryotic recombinant protein of PIGR expressed in COS7 cells was reacted with both patient and normal sera, indicating that PIGR binds physiologically to IgA. To detect antigen‐specific binding by IgA autoantibodies, we performed several experiments using deglycosylated PIGR and F(ab)2 fragments from patient sera. However, these analyses suggested that patient IgA bound physiologically, but not immunologically, to PIGR. Nevertheless, our study provided two important insights. Newly developed IgA‐immunoprecipitation system should be a useful tool in the future study of identification of antigens for IgA autoantibodies. Detection of epidermal PIGR in this study confirmed previous results and indicated possible immunological role of PIGR in epidermis. 相似文献
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Hiroshi Koga Bungo Ohyama Takahiro Hamada Takekuni Nakama Minao Furumura Daisuke Tsuruta Norito Ishii Takashi Hashimoto 《Dermatologic therapy》2014,27(3):135-139
In this study, we report on the efficacy of combination therapy of second‐generation antihistamine antagonist, fexofenadine hydrochloride, and leukotriene receptor inhibitor, montelukast sodium, for the treatment of 15 prurigo nodularis or pemphigoid nodularis patients, in whom conventional therapy was ineffective. All patients received 10 mg montelukast once a day and 240 mg fexofenadine twice a day for 4 weeks in addition to other medications they had been taking. We assessed the manifestations of the lesions and itching intensity before and after the therapy, and we evaluated each patient as (i) markedly improved, (ii) improved, (iii) slightly improved, (iv) no change, (v) worse. Two patients (13.3%) were evaluated as markedly improved, and the lesions of one patient completely disappeared. Three patients (20.0%) were evaluated as improved, and six patients (40.0%) as slightly improved. Thus, 11 of 15 cases (73.3%) improved by combination therapy of fexofenadine and montelukast, in which nine cases (75.0%) of prurigo nodularis and two cases (66.7%) of pemphigoid nodularis were involved. No patients revealed any side effects. This study revealed that combination therapy of fexofenadine and montelukast was effective for some patients with conventional therapy‐resistant prurigo nodularis and pemphigoid nodularis. 相似文献