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Microscopic Description:
Within the spleen, there are multiple localized and well
circumscribed collections of dilated thin-walled blood vessels. In
between these nodules is normal splenic parenchyma. The vessels are
lined by thin simple endothelial cells which are CD31 positive.
There is no atypia noted. Hobnailing and detachment into several
lumens, which is characteristic of the littoral cell hemangioma, is
not evident. |