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This case involved a 63-year-old man. He underwent robot-assisted radical prostatectomy (RARP) for prostate cancer. One year after the operation, he consulted our hospital about left inguinal swelling. Under a diagnosis of a left external inguinal hernia, transabdominal preperitoneal repair (TAPP) was performed under general anesthesia. The inside of the hernia orifice had been damaged by the RARP, and the resultant fibrosis was so marked that it was difficult to dissect the preperitoneal space. Furthermore, an external iliac vein injury occurred during the operation. The bleeding was controlled, and we used laparoscopic continuous non-absorbable sutures to repair the external iliac vein injury. The number of TAPP procedures performed after radical prostatectomy has been increasing in recent years, but dissecting the preperitoneal space inside a hernia orifice is difficult. Although external iliac vein injuries are rare complications of TAPP procedures, they can be laparoscopically repaired.

RATIONALE: Anti-aminoacyl transfer RNA synthetases (ARS) antibodies are a group of myositis specific autoantibodies. It also is frequently found in patients with complicating interstitial pneumonia. However, the clinical characteristics in these patients with anti-ARS antibody were not yet fully elucidated. METHODS: We retrospectively investigated clinical symptoms, radiological findings, treatments, and its outcome in 30 patients with anti-ARS antibody-positive interstitial pneumonia (ARS-IP) in our institution. The radiological patterns of interstitial pneumonia were evaluated with thin-sliced HRCT by two specialists. Anti-ARS antibodies were evaluated using RNA immunoprecipitation assey and anti-synthetase ELISA kit (BML, Japan). RESULTS: Mean age was 59.4 years (28-82), 60.0% were female. Nine patients were with anti-Jo-1, 7 with anti-EJ, 4 with anti-PL-12, 3 with anti-PL-7, 2 with anti- OJ, and 5 with unknown or anti-KS. Seven cases were diagnosed as having ARS-IP with dermatomyositis (DM), and 7 with polymyositis. There were no differences in the demographic features, laboratory data, HRCT findings, between ARS-IP with myositis and without. ARS-IP with myositis recurs more often than without myositis (p=0.019). Serum creatinine kinase (CK) levels were elevated in 13 patients. Patient achieved good responses to initial corticosteroid and immunosuppressant. Mean observation time was 64.9 months (4 months- 138 months). CONCLUSIONS: Most of the patients with interstitial pneumonia associated with anti-ARS antibodies showed remarkable responses to the therapy and favorable outcome.