Tuesday, August 16, 2011

Benignity in meningioma indicated by smiley face nucleus

Drs. John Donahue and Ed Stopa sent in the photomicrograph below from an article they published in 1999 describing a benign meningioma. They conclude: "In this case, another factor in favor of the tumor being benign is that its nuclei are smiling (arrow)."

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