breast,hamartoma,us

Ultrasonogram demonstrates a 3-cm lobulated circumscribed mass that is predominantly hypoechoic (arrows). Some of the fatty tissue within the lesion is hyperechoic (arrowheads), although this is not seen in all hamartomas.

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breast,hamartoma

Two examples of a hamartoma with dark areas of fat on a fat suppressed T1WI with Gd.

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