A presumptive diagnosis of syphilis is possible with the use of two types anal serologic tests: Anal HPV Men is linked to the immunosuppression anus by HIV infection and is associated with the practice of anal-receptive intercourse.
Sexually transmitted infections of the anus and rectum
Human anus - Wikipedia
Guidelines for prevention and treatment of opportunistic infections in HIV-infected adults and adolescents:
Anus and prostate
Published online Nov 7. Fistulography can detect an abnormal connection fistula between the anus and skin.
Signs and Symptoms of Anal Cancer
The incidence of anorectal STIs has risen in recent years, a trend primarily attributed to an increase in the practice of anal receptive intercourse 3 .
The Anus (Human Anatomy): Picture, Definition, Conditions, & More