Pulsed Radiofrequency of S2-4 Versus Ganglion Impar Neurolysis for Severe Perianal and Perineal Pain in Cancer Patients

Bilateral Pulsed Radiofrequency of Dorsal Root Ganglia of S2-4 Versus Ganglion Impar Neurolysis for Severe Perianal and Perineal Pain in Cancer Patients

Perineal pain resulting from malignancy is usually severe. Pain can be related to the malignancy or as a complication related to the treatment. several modalities are adopted to control such pain starting from medical management to interventional pain procedures.

Perineal pain resulting from malignancy is usually severe. Pain can be related to the malignancy or as a complication related to the treatment. several modalities are adopted to control such pain starting from medical management to interventional pain procedures. Ganglion impar block has been traditionally used for treatment of such perineal pain. Radiofrequency of sacral dorsal root ganglia can be used as an alternative for pain control.

Inclusion Criteria:

• patients aged 18-75 years
• ASA II-III with perianal and perineal pain related to cancer

Exclusion Criteria:

• patient refusal
• coagulation defects
• abnormal kidney or liver functions
• local infection at site of injection