Fig. 2From: Primary immature teratoma in the liver with growing teratoma syndrome and gliomatosis peritonei: a rare case reporta Immature neuroectoderm-like structure was observed on pathological biopsy of the tumor (H&E, × 100). b Immunostaining of SALL-4 was positive. c Immunostaining of GFAP was negative. d Ki-67 index was extremely high (b-d, × 100). I of liverBack to article page