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Kang, Sung, Han, Park, Kim, and Cho: MR Imaging of Anoperineal Tuberculous Abscess: A Case Report
Case Report
Journal of the Korean Society of Magnetic Resonance in Medicine

Journal of the Korean Society of Magnetic Resonance in Medicine 2012; 16(2): 184-188.

Published online: 31 August 2012

DOI: https://doi.org/10.0000/jksmrm.2012.16.2.184

MR Imaging of Anoperineal Tuberculous Abscess: A Case Report

Woo young Kang, Deuk Jae Sung, Na Yeon Han, Beom Jin Park, Min Ju Kim, Sung Bum Cho

Department of Radiology, Anam Hospital, Korea University, College of Medicine, Korea.

Corresponding author: Deuk Jae Sung, M.D., Ph.D., Department of Radiology, Anam Hospital, Korea University, College of Medicine, #126-1, 5-Ka Anam-dong, Sungbuk-gu, Seoul 136-705, Korea. Tel. 82-2-920-5567, Fax. 82-2-929-3796, urorad@korea.ac.kr

Received 29 May 2012       Revised 27 July 2012       Accepted 13 August 2012

Copyright © 2012 Korean Society of Magnetic Resonance in Medicine

Abstract

Anoperineal tuberculosis is a rare extrapulmonary form of the disease and may present as abscess. We report a case of anoperineal tuberculous abscess, which showed low signal intensity on T1-weighted images, high signal intensity on T2-weighted images and diffusion restriction on diffusion weighted images.

Keywords: Tuberculous abscess, Anoperineal space, Magnetic resonance imaging (MRI)

Figures and Tables

Fig. 1
(a) Axial and (b) sagittal T2-weighted images show well-circumscribed oval shaped hyperintense mass (arrow heads) in the perineum with peripheral hypointense rim and internal septations. The mass extends into intersphincteric space (arrow) superiorly.
c. On axial T1-weighted images, the mass shows low signal intensity.
d. Diffusion weighed image at b=800 sec/mm2 shows prominent internal hyperintensity in the mass.
e. ADC map reveals diffusion restriction in the mass.
f. The oval shaped and enlarged lymph nodes (arrow heads) were seen along the bilateral pelvic wall.
jksmrm-16-184-g001
Fig. 2
a. Multiple variable sized granulomas were seen in subcutaneous layer [H & E, LPF(×40)].
b. Some granulomas showed central caseous necrosis and multinucleated giant cells [H & E, HPF(×400)].
jksmrm-16-184-g002

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