[A Case of Laparoscopic Abdominoperineal Resection and Perineal Reconstruction for Signet-Ring Cell Carcinoma with Skin Invasion Derived from the Anal Gland].
Gan to kagaku ryoho. Cancer & chemotherapy(2022)
Abstract
A 56-year-old man was referred to our hospital with an awareness of anal tumor. The tumor extended from the anal verge to the back of left testicle. Colonoscopy showed no tumor in the rectum and the anal canal. Biopsy showed mucus- producing adenocarcinoma(sig), and we diagnosed anal canal adenocarcinoma with immunostaining. Laparoscopic abdominoperineal rectal resection and perineal reconstruction with the V-Y fasciocutaneous flap closure technique. The patient had no major postoperative complications, and was discharged on 23rd postoperative day. Pathological examination revealed that the tumor was pT3N0M0, pStage ⅡB. The patient received adjuvant chemotherapy with CAPOX and has survived 12 months without recurrence. Immunostaining may be used to diagnose the signet-ring cell carcinoma without tumor of anal canal. In addition, reconstruction of the perineum for large anal tumors is useful.
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Key words
laparoscopic abdominoperineal resection,abdominoperineal reconstruction,cell carcinoma,anal gland,signet-ring
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