並列タイトル等早期菌状息肉症の診断におけるCADM1の有用性についての検討
一般注記Background: Mycosis fungoides (MF) is the most common cutaneous T-cell lymphoma. Early-stage MF patches or plaques often resemble inflammatory skin disorders (ISDs), including psoriasis and atopic dermatitis. Cell adhesion molecule 1 gene (CADM1), which was initially identified as a tumor suppressor gene in human non-small cell lung cancer, has been reported as a diagnostic marker for adult T-cell leukemia/lymphoma. Objective: We investigated CADM1 expression in MF neoplastic cells, especially during early stages, and evaluated its usefulness as a diagnostic marker for MF. Methods: We conducted a retrospective study by using immunohistochemical staining and confirmed the expression of CADM1 in MF. In addition, we compared CADM1 messenger RNA expression in microdissected MF samples and ISD samples. Results: In the overall study period, 55 of 58 MF samples (94.8%) stained positive for CADM1. None of the 50 ISD samples showed positive reactivity (P<.0001). We found CADM1 messenger RNA expression in the intradermal lymphocytes of patients with MF but not in those of patients with an ISD. Limitations: We did not conduct a validation study for MF cases in other institutions. Conclusions: CADM1-positive cells can be identified in early stages with fewer infiltrating cells and may be useful as a diagnostic marker for early-stage MF. (J Am Acad Dermatol 2018;79:1039-46.)
J Am Acad Dermatol. 2018, 79(6), 1039-1046.
新大院博（医）甲第887号
元資料の権利情報 : 【○!C】 2018 by the American Academy of Dermatology, Inc.
DOIinfo:doi/10.1016/j.jaad.2018.06.025
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