Intrascrotal Dedifferentiated Leiomyosarcoma Originating from Dartos Muscle

Table 1

Immunostaining of our case.

	Smooth muscle sarcomatoid	Malignant fibrous histiocytoma-like tumor
Vimentin	++	++
α-Smooth muscle actin	++	−
Desmin	++	−
Muscle-specific actin	++	−
Calponin	++	−
Caldesmon	++	+
CD99	Focal+	+
CDK4	−	−
MDM2	−	−
S100	−	−
CD34	−	−
AE1/AE3	−	−
CAM5.2	−	−
MIB-1 index	5%	50%