Journal of Medical Cases, ISSN 1923-4155 print, 1923-4163 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Med Cases and Elmer Press Inc
Journal website http://www.journalmc.org

Case Report

Volume 9, Number 2, February 2018, pages 61-63

Anal Canal Duplication in a 40-Year-Old Adult

Figures

Figure 1.
Figure 1. Visual inspection of the anus. The arrow points to the structure in the midline, posterior to the native anus.
Figure 2.
Figure 2. Pelvic MRI showing a tubular structure (arrow) posterior to the anal canal with no fistulous path to the rectal wall or anal canal.
Figure 3.
Figure 3. Pelvic MRI showing a tubular structure (arrow) posterior to the anal canal with no fistulous path to the rectal wall or anal canal.
Figure 4.
Figure 4. Anal echoendoscopy showed a posterior orifice to the anus with sphincteric structures, compatible with duplication of the anal canal (arrow).