Clonality analysis and IDH1 and IDH2 mutation detection in both components of dedifferentiated chondrosarcoma, implicated its monoclonal origin

Dedifferentiated chondrosarcoma (DDCS) is a highly malignant tumor that belongs to an uncommon subtype of chondrosarcoma with a poor prognosis.Microscopically, it is composed of highly differentiated chondrosarcoma and highly malignant noncartilaginous sarcomas with an abrupt interface.The question of whether the two components originated from the

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Spontaneous combustion of coals and coal-shales

Spontaneous combustion of coal is a well-known phenomena around the globe.Apart from the coal itself, burning coal-shales is becoming a problem in the South African coal mines.Serious incidents of Makeup Brush spontaneous combustion have been reported as a result of self-heating of reactive coal-shales.The intrinsic properties and spontaneous combu

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