In addition, pineal parenchymal tumors include five distinct histotypes, which include pineocytoma, pineal parenchymal tumors of intermediate differentiation, papillary tumor of the pineal region, pinealoblastoma, and desmoplastic myxoid tumor of the pineal region, SMARCB1-mutant.2,3 GCTs include germinoma, embryonal carcinoma, yolk sac tumor, choriocarcinoma, teratoma, mixed GCTs.2,3 These tumors show rapid growth and usually present as non-communicating hydrocephalus, headache, and cerebellar signs.3 This evidence concerns the gene SMARCB1 and pineal parenchymal cell neoplasm.