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. 2018 Feb 5;18:134. doi: 10.1186/s12885-018-4037-y

Fig. 4.

Fig. 4

(a) Small areas with rhabdomyoblastic differentiation within the spindle cell areas (myogenin immunostain, haematoxylin counterstain, 20X); (b) Epithelial clefts within the neoplastic undifferentiated spindle cells highlighted by PAX8 immunohistochemical stain (PAX8 immunostain, haematoxylin counterstain, 20X)