Perianal Crohn's

Primary Source #165:

James WD, Elston DM, McMahon PJ. Diseases of Mucous Membranes. In: Andrews’ Diseases of the Skin Clinical Atlas. ; 2018:543-559. Accessed 2020. https://www-clinicalkey-com/#!/content/book/3-s2.0-B9780323441964000347?scrollTo=%233-s2.0-B9780323441964000347-f034-014-9780323441964

***
Feel free to use any of the images showcased on this website. Please cite both this website (UNC School of Medicine Dermatology Image Library - http://med.unc.edu/dil) and the primary source of the image as references.
***