Apps
Surgpath
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MSK
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soft tissue
lipofibromatosis
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Clinical
age: pediatric
site: hands, feet
size: 1-3 cm
prognosis: local recurrence
Histology
mature fat
spindle cell septa
Stains
focal CD34, BCL2, S100, actin, EMA
may be CD99+
desmin-, CK-
Ddx
fibrous hamartoma of infancy
primitive oval cell component
myxoid stroma
other fibromatosis
has solid growth pattern