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Small-blue-round-cell tumor
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Small-blue-round-cell tumor : ウィキペディア英語版
Small-blue-round-cell tumor

In histopathology, a small-, round-, blue-cell tumor (abbreviated SRBCT), also known as a small-blue-round-cell tumour (SBRCT) or a small-round-cell tumour (SRCT), is any one of a group of malignant neoplasms that have a characteristic appearance under the microscope, i.e. consisting of small round cells that stain blue on routine H&E stained sections.
These tumors are seen more often in children than in adults. They typically represent undifferentiated cells. The predominance of blue staining is because the cells consist predominantly of nucleus, thus they have scant cytoplasm.
==Examples==
Tumors that belong to this group are:
* Desmoplastic small-round-cell tumour
* Ewing's Sarcoma/PNET
* Neuroblastoma
* Medulloblastoma
* Rhabdomyosarcoma
* Synovial sarcoma
* Carcinoid tumor
* Mesothelioma
* Hybrid oncocytoma/chromophobe renal cell carcinoma
* Leiomyosarcoma
* Small cell lung cancer
* Wilms' tumour
* Retinoblastoma
* Small-cell lymphoma
* Hepatoblastoma〔- only the anaplastic form has round blue cells, the more common fetal and embryonal types do not 〔Gray W, Kocjan G. Diagnostic Cytopathology; . p.307〕
* Merkel cell carcinoma

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Small-blue-round-cell tumor」の詳細全文を読む



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