Anterior Cutaneous Nerve Entrapment Syndrome in a 51-Year-Old Woman With Advanced Colon Cancer, Successfully Treated With Repeated Ultrasound-Guided Rectus Sheath Blocks: A Case Report

Yoko Shimamoto-Nagahira; Ryuichi Nakanuno

doi:10.12659/AJCR.953662

01 September 2026 : Case report Japan

Anterior Cutaneous Nerve Entrapment Syndrome in a 51-Year-Old Woman With Advanced Colon Cancer, Successfully Treated With Repeated Ultrasound-Guided Rectus Sheath Blocks: A Case Report

Challenging differential diagnosis, Unusual setting of medical care

Yoko Shimamoto-Nagahira^{ABCDE 1*}, Ryuichi Nakanuno^{ABCD 1}

DOI: 10.12659/AJCR.953662

Am J Case Rep 2026; 27:e953662

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Figure 4 Analgesic effects of repeated rectus sheath blocks. From the first to the fifth injections, pain relief was observed immediately after the procedure but was temporary. Pain recurred to baseline levels as the local anesthetic effect wore off. Between the sixth and ninth injections, pain relief was maintained for at least 24 hours after the blocks.

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Anterior Cutaneous Nerve Entrapment Syndrome in a 51-Year-Old Woman With Advanced Colon Cancer, Successfully Treated With Repeated Ultrasound-Guided Rectus Sheath Blocks: A Case Report

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