Pathology report:
MICROSCOPIC DESCRIPTION: Histology shows cores of a lesion composed of bland spindle cells with wavy nuclei. Numerous ganglion cells are also noted. Cores of surrounding fibrofatty
tissue and skeletal muscle are also present. There is no atypia, mitoses, or necrosis. No undifferentiated areas are noted. The morphological features in these cores are consistent with a ganglioneuroma.
HISTOLOGICAL DIAGNOSIS: Presacral mass core biopsy: Morphological features consistent with a ganglioneuroma.