MUC1 and neoplasm: Although primary ELTMDs cannot be regarded as anaplastic ependymoma or ependymosarcoma, the recurrent tumor in case 2 predominantly displayed a classic low‐grade ependymoma histology, including perivascular pseudorosettes with an accentuated perivascular staining pattern of GFAP, and dot‐like and ring‐like patterns of cytoplasmic EMA positivity (Figure 4).