Overlaying of a PLLA nanosheet was effective for adhesion prophylaxis of intraperitoneal mesh. It also may have a possible beneficial effect on fixation of mesh.

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A 28-year-old man visited our hospital complaining of the ulcerous lower extremity. An angiography showed the stenosis of the dorsal digital artery. The clinical diagnosis was Buerger's disease. The administration of prostaglandin I2 (PG I2) and antithrombotic drug were done. The ulcerous lower extremity improved. But a computerized tomographic scan of the abdomen showed the bilateral hydronephrosis incidentally. A retrograde pyelography (RP) revealed the bilateral ureteral strictures. We suspected the etiology was the retroperitoneal fibrosis associated with Buerger's disease.