MRI findings of peri-anal abscess due to actinomycosis

Ting-Kai Leung, Chi-Ming Lee, Chung-Huei Hsu, Hsin Chi Chen

研究成果: 雜誌貢獻文章同行評審

1 引文 斯高帕斯(Scopus)


We present a case of a peri-anal abscess infected by actinomycosis in a 57-year-old male who initially suffered from mild anal pain. There was no fever, body weight loss, night sweats or abnormal findings in laboratory tests. There was also no peri-anal discharge. Our diagnosis at that time was inconclusive. A PET scan was then requested. It successfully detected a left peri-anal lesion, but the initial impression based on the dual phases study, was more in favor of malignancy. An MRI study was then performed, which revealed a cystic lesion posterior to the rectum, with a sinus tract leading towards peri-anal skin but without associated soft tissue mass. The patient returned and reported a dark-reddish discharge from his peri-anus about six weeks later. The pathologist finally confirmed it as actinomyocosis. We concluded that MRI imaging was very advantageous in pre-surgical diagnosis of the peri-anal abscess. The pathologist finally confirmed it as actinomycosis.
頁(從 - 到)153-156
期刊Chinese Journal of Radiology
出版狀態已發佈 - 6月 2004

ASJC Scopus subject areas

  • 放射學、核子醫學和影像學


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