Composite resection of posterior pelvic malignancy.

Area of Science:

• Surgical Oncology
• Musculoskeletal Oncology
• Pelvic Reconstruction

Background:

• Advanced pelvic cancers present significant surgical challenges due to invasion of bony pelvis, adjacent viscera, and prior irradiation.
• Composite resection is a complex procedure for managing extensive pelvic malignancies.

Purpose of the Study:

• To evaluate the outcomes of composite resection for posterior or lateral pelvic malignancies.
• To assess survival rates and functional recovery following extensive pelvic tumor resections.

Main Methods:

• Retrospective analysis of 76 patients undergoing composite resection for pelvic malignancies.
• Inclusion of patients with secondary cancers (rectal, anorectal, cervical, bladder) and primary tumors (chordomas, bone, soft tissue).
• Surgical procedures involved major resection of the sacrum or pelvic side walls, with some requiring exenterative procedures.

Main Results:

• Overall mortality rate was 7.9%.
• Long-term survival rates: 24% for curative rectal cancer resection, 22.5% for advanced epidermoid cancer.
• 50% survival for primary bone/soft tissue tumors (13-88 months).
• Most patients achieved reasonable functional recovery and returned to previous lifestyles.

Conclusions:

• Composite resection is a feasible surgical strategy for advanced pelvic malignancies.
• The procedure offers potential for long-term survival and good functional outcomes in selected patients.
• Further research into optimizing surgical techniques and adjuvant therapies is warranted.