Pelvic tumor
Appearance
A pelvic tumor is any one of numerous tumors that occur in the pelvis. Within the pelvis, these tumors may involve specific organs, or occupy intra-organ spaces. Tumors of the presacral space and sacral space are most prevalent in children. Tumors occupying specific organs have a more complex natural history.
Tumors occupying specific organs
Tumors occupying intra-organ spaces
Sacral space (in approximate order of prevalence):
- Teratoma
- Lipoma
- Ganglioneuroma
- Myxopapillary ependymoma
- Primitive neuroectodermal tumor
- Aneurysmal bone cyst
- Ewing's sarcoma
- Metastases from brain stem tumors (medulloblastoma, ependymoma, high-grade astrocytoma)