A comparative study of clinical characteristics, work‐up, treatment, and association to malignancy in dermatomyositis between two tertiary skin centers in the USA and Singapore
Identifieur interne : 001262 ( Main/Exploration ); précédent : 001261; suivant : 001263A comparative study of clinical characteristics, work‐up, treatment, and association to malignancy in dermatomyositis between two tertiary skin centers in the USA and Singapore
Auteurs : Gil Yosipovitch [États-Unis] ; Audrey Tan [Singapour] ; Katherine Losicco [États-Unis] ; Catherine G. Manabat [États-Unis] ; Ajith Kannagra [États-Unis] ; Christie Carroll [États-Unis] ; Yiong Huak Chan [Singapour] ; Patricia Ng [Singapour] ; Joseph Jorizzo [États-Unis]Source :
- International Journal of Dermatology [ 0011-9059 ] ; 2013-07.
English descriptors
- Teeft :
- Acad, Acad dermatol, Amyopathic, Amyopathic dermatomyositis, Arch dermatol, Bothersome symptoms, Carcinoma, Caucasian, Chinese patients, Clinical characteristics, Comparative study, Corticosteroid, Cutaneous, Cutaneous dermatomyositis, Cutaneous manifestations, Dermatol, Dermatology, Dermatology yosipovitch, Dermatomyositis, Eruption, Fitzpatrick skin type, Heliotrope eruption, Higher prevalence, International journal, International society, Interstitial lung disease, Malignancy, Muscle weakness, Nasopharyngeal, Nasopharyngeal carcinoma, Oral corticosteroids, Relative risk, Retrospective study, Singapore, Singapore group, Singapore patients, Singaporean, Singaporean patients, Skin eruption, Tacrolimus, Tertiary, Tertiary skin centers, Western countries, Yosipovitch.
Abstract
Background To date, no study has compared the clinical characteristics, malignancy associations, and treatment of dermatomyositis in predominantly Caucasian vs. Asian populations. Materials and methods This prospective study was conducted to compare clinical characteristics of dermatomyositis, its relationship to malignancy, and treatment between two tertiary medical centers in the USA and Singapore. A total of 19 newly‐diagnosed patients in the USA and 15 patients in Singapore were enrolled. Dermatomyositis or amyopathic dermatomyositis were diagnosed based on clinical assessment, skin and muscle biopsies, and muscle testing. Results Ninety‐five percent of patients in the USA group were of Caucasian descent, while 93% of patients in the Singapore group were of Chinese descent. Both groups were predominantly female. Pruritus was the most common initial symptom reported in both groups, while periungual erythema and Gottron’s papules were the most common skin presentations. Heliotrope eruption was more common in the Singapore group, occurring in 80% of patients vs. 32% of patients in the USA group (P = 0.007). Three patients in the Singapore group developed a malignancy, with two of these patients having nasopharyngeal carcinoma. None of the USA patients developed malignancies in a follow‐ up period of 2–5 years. Immunosuppressive steroid sparing therapy with hydroxychloroquine was more frequently used in Singapore, while topical tacrolimus was more frequently used in the USA. Conclusion The clinical presentations of dermatomyositis vary among different ethnic populations. Chinese patients with dermatomyositis have a significant risk for nasopharyngeal carcinoma.
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DOI: 10.1111/j.1365-4632.2011.05449.x
Affiliations:
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Materials and methods This prospective study was conducted to compare clinical characteristics of dermatomyositis, its relationship to malignancy, and treatment between two tertiary medical centers in the USA and Singapore. A total of 19 newly‐diagnosed patients in the USA and 15 patients in Singapore were enrolled. Dermatomyositis or amyopathic dermatomyositis were diagnosed based on clinical assessment, skin and muscle biopsies, and muscle testing. Results Ninety‐five percent of patients in the USA group were of Caucasian descent, while 93% of patients in the Singapore group were of Chinese descent. Both groups were predominantly female. Pruritus was the most common initial symptom reported in both groups, while periungual erythema and Gottron’s papules were the most common skin presentations. Heliotrope eruption was more common in the Singapore group, occurring in 80% of patients vs. 32% of patients in the USA group (P = 0.007). Three patients in the Singapore group developed a malignancy, with two of these patients having nasopharyngeal carcinoma. None of the USA patients developed malignancies in a follow‐ up period of 2–5 years. Immunosuppressive steroid sparing therapy with hydroxychloroquine was more frequently used in Singapore, while topical tacrolimus was more frequently used in the USA. Conclusion The clinical presentations of dermatomyositis vary among different ethnic populations. Chinese patients with dermatomyositis have a significant risk for nasopharyngeal carcinoma.</div></front></TEI><affiliations><list><country><li>Singapour</li><li>États-Unis</li></country><region><li>Caroline du Nord</li></region><orgName><li>Université nationale de Singapour</li></orgName></list><tree><country name="États-Unis"><region name="Caroline du Nord"><name sortKey="Yosipovitch, Gil" sort="Yosipovitch, Gil" uniqKey="Yosipovitch G" first="Gil" last="Yosipovitch">Gil Yosipovitch</name></region><name sortKey="Carroll, Christie" sort="Carroll, Christie" uniqKey="Carroll C" first="Christie" last="Carroll">Christie Carroll</name><name sortKey="Jorizzo, Joseph" sort="Jorizzo, Joseph" uniqKey="Jorizzo J" first="Joseph" last="Jorizzo">Joseph Jorizzo</name><name sortKey="Kannagra, Ajith" sort="Kannagra, Ajith" uniqKey="Kannagra A" first="Ajith" last="Kannagra">Ajith Kannagra</name><name sortKey="Losicco, Katherine" sort="Losicco, Katherine" uniqKey="Losicco K" first="Katherine" last="Losicco">Katherine Losicco</name><name sortKey="Manabat, Catherine G" sort="Manabat, Catherine G" uniqKey="Manabat C" first="Catherine G" last="Manabat">Catherine G. Manabat</name></country><country name="Singapour"><noRegion><name sortKey="Tan, Audrey" sort="Tan, Audrey" uniqKey="Tan A" first="Audrey" last="Tan">Audrey Tan</name></noRegion><name sortKey="Chan, Yiong Huak" sort="Chan, Yiong Huak" uniqKey="Chan Y" first="Yiong Huak" last="Chan">Yiong Huak Chan</name><name sortKey="Ng, Patricia" sort="Ng, Patricia" uniqKey="Ng P" first="Patricia" last="Ng">Patricia Ng</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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