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

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

Overview of tumors, cancer and oncology (C00–D48, 140–239)

Conditions

Benign tumors	Hyperplasia Cyst Pseudocyst Hamartoma

Malignant progression	Dysplasia Carcinoma in situ Cancer Metastasis Primary tumor Sentinel lymph node

Topography	Head/Neck (Oral, Nasopharyngeal) Digestive system Respiratory system Bone Skin Blood Urogenital Nervous system Endocrine system

Histology	Carcinoma Sarcoma Blastoma Papilloma Adenoma

Other	Precancerous condition Paraneoplastic syndrome

Staging/grading

Carcinogenesis

Misc.

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