Pelvic tumor

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

• Bladder cancer
• Prostate cancer
• Rectal cancer
• Anal cancer
• Ovarian cancer
• Uterine cancer
• Sacrococcygeal teratoma

Tumors occupying intra-organ spaces

Presacral space:

• Teratoma

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)

Complications

• Urinary incontinence
• Fecal incontinence