MRI findings of peri-anal abscess due to actinomycosis

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

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Pages (from-to)153-156
Number of pages4
JournalChinese Journal of Radiology
Volume29
Issue number3
Publication statusPublished - Jun 2004

Fingerprint

Actinomycosis
Abscess
Sweat
Anal Canal
Rectum
Positron-Emission Tomography
Weight Loss
Fever
Body Weight
Pain
Skin
Neoplasms
Pathologists

Keywords

  • Abscess
  • Actinomycosis
  • Anus
  • Pelvic organ, MR

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Leung, T-K., Lee, C-M., Hsu, C-H., & Chen, H. C. (2004). MRI findings of peri-anal abscess due to actinomycosis. Chinese Journal of Radiology, 29(3), 153-156.

MRI findings of peri-anal abscess due to actinomycosis. / Leung, Ting-Kai; Lee, Chi-Ming; Hsu, Chung-Huei; Chen, Hsin Chi.

In: Chinese Journal of Radiology, Vol. 29, No. 3, 06.2004, p. 153-156.

Research output: Contribution to journalArticle

Leung, T-K, Lee, C-M, Hsu, C-H & Chen, HC 2004, 'MRI findings of peri-anal abscess due to actinomycosis', Chinese Journal of Radiology, vol. 29, no. 3, pp. 153-156.
Leung, Ting-Kai ; Lee, Chi-Ming ; Hsu, Chung-Huei ; Chen, Hsin Chi. / MRI findings of peri-anal abscess due to actinomycosis. In: Chinese Journal of Radiology. 2004 ; Vol. 29, No. 3. pp. 153-156.
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