Difference between revisions of "Spindle cell lesions"

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Work-up (MSH):
Work-up (MSH):
*CD34 - GIST, angiosarcoma.
*CD34 - GIST, angiosarcoma.
*S100 - neural.
*S100 - neural marker, sensitive for malignant melanoma.
*Desmin - smooth muscle.
*Desmin - smooth muscle.
*MIB-1 - proliferation.
*MIB-1 - proliferation.
*CD99 - small blue cell tumours.
*CD99 - small round cell tumours, considered "slutty", i.e. non-specific, by Dr. Fletcher; useful if membranous stain pattern = Ewing sarcoma/PNET.
*Bcl-2.
*Bcl-2.
*PGP 9.5.
*PGP 9.5.
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