Carina Dehner, Daniel Pissaloux, Brice Thamphya, Franck Tirode, Andreas Von Deimling, Ruifeng R Guo, Carilyn Wieland, Arnaud de la Fouchardière, Thibault Kervarrec
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引用次数: 0
Abstract
A case of cutaneous adnexal neoplasm with unusual squamoid morphology and harboring an in frame ACTB::ZMIZ2 fusion transcript was recently described. Herein, we report a second case of adnexal carcinoma harboring similar morphology and an identical in frame ACTB::ZMIZ2 fusion transcript. This 2.2-cm mass was removed from the axilla of a 17-year-old woman. Microscopic examination revealed a large nodular and infiltrative tumor invading the dermis composed of sheets and nests frequently centered by large areas of keratinization. Molecular investigation revealed an in frame ACTB::ZMIZ2 fusion transcript. Clustering analysis revealed close proximity of this case with the ACTB::ZMIZ2-fused adnexal tumor previously reported. Herein, we report a second case of adnexal tumor with ACTB::ZMIZ2 fusion arising in a young adult suggesting that ACTB::ZMIZ2 fusion might be a defining genetic event, specific of a rare and previously undescribed adnexal tumor entity.
期刊介绍：
Manuscripts of original studies reinforcing the evidence base of modern diagnostic pathology, using immunocytochemical, molecular and ultrastructural techniques, will be welcomed. In addition, papers on critical evaluation of diagnostic criteria but also broadsheets and guidelines with a solid evidence base will be considered. Consideration will also be given to reports of work in other fields relevant to the understanding of human pathology as well as manuscripts on the application of new methods and techniques in pathology. Submission of purely experimental articles is discouraged but manuscripts on experimental work applicable to diagnostic pathology are welcomed. Biomarker studies are welcomed but need to abide by strict rules (e.g. REMARK) of adequate sample size and relevant marker choice. Single marker studies on limited patient series without validated application will as a rule not be considered. Case reports will only be considered when they provide substantial new information with an impact on understanding disease or diagnostic practice.
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