期刊
BRITISH JOURNAL OF DERMATOLOGY
卷 172, 期 6, 页码 1487-1497出版社
OXFORD UNIV PRESS
DOI: 10.1111/bjd.13493
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- Galderma Laboratories, L.P.
Pyoderma gangrenosum (PG) is a rare neutrophilic dermatosis characterized by painful skin ulcerations for which treatment can be challenging. The genetic basis of PG may provide a better understanding of the disease and new targets for treatment. We systematically reviewed the published literature regarding the syndromes and genetic mutations associated with PG. A literature search was performed through the clinical queries PubMed (National Library of Medicine) database and the Cochrane database. The studies were assessed and then categorized as relating to syndromes or specific gene mutations. Two hundred and eight articles were identified, describing 823 cases of PG. A total of 537 (65.2%) cases were associated with inflammatory bowel disease, 133 (16.1%) with polyarthritis and 103 (12.5%) with haematological disorders. Thirty-one cases of pyogenic arthritis, pyoderma gangrenosum and acne, and its variants, were identified. Two patients had mutations in MTHFR and two had mutations in JAK2. Fourteen (1.7%) cases were familial. PG responded to different treatments depending on the setting. For example, treatment with B vitamins improved PG in cases of mutations in MTHFR, whereas patients with myelodysplastic syndrome improved with thalidomide treatment. PG can occur in isolation, associated with systemic disease or as part of various syndromes. Different genetic causes may be best treated with particular treatments. Understanding its genetic basis can help elucidate new potential targets for drug development.
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