کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4132379 1606657 2016 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Tumor progression in DICER1-mutated cystic nephroma—witnessing the genesis of anaplastic sarcoma of the kidney
موضوعات مرتبط
علوم پزشکی و سلامت پزشکی و دندانپزشکی آسیب‌شناسی و فناوری پزشکی
پیش نمایش صفحه اول مقاله
Tumor progression in DICER1-mutated cystic nephroma—witnessing the genesis of anaplastic sarcoma of the kidney
چکیده انگلیسی

SummaryWe report a 7-month-old female infant with a multicystic left renal tumor having histologic features predominantly of a cystic nephroma, but with microscopic cellular foci which contained atypical mitotic figures and anaplastic nuclei. Immunohistochemistry showed strong p53 reactivity in the anaplastic region. DICER1 sequencing confirmed 2 mutations: germ line mutation c.2450delC and c.5438A > G somatic within the tumor. Despite an initial consideration of cystic partially differentiated nephroblastoma, the presence of anaplasia ruled that possibility out, as this is not an acceptable feature for that diagnosis. Moreover, the germ line DICER1 mutation prompted consideration that this case represents a unique “nascent” anaplastic sarcoma of kidney, and further immunohistochemical workup demonstrated cytoplasmic, but no nuclear WT-1 reactivity in the cellular foci. The importance of meticulous sampling of cystic lesions is highlighted by this unprecedented case, which lends support to the recent recognition of anaplastic sarcoma of kidney as a DICER1-associated cancer.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Human Pathology - Volume 53, July 2016, Pages 114–120
نویسندگان
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