RT Journal Article SR Electronic T1 Secondary syphilis mimicking inflammatory bowel disease JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 98 OP 99 DO 10.1136/sextrans-2012-050503 VO 89 IS 2 A1 Pedro Vasconcelos A1 João Borges-Costa A1 Helena Loreto A1 Sacramento Marques YR 2013 UL http://sti.bmj.com/content/89/2/98.abstract AB This study reports the case of a 15-year-old male patient with extensive anal inflammation, cobblestone-like mucosa and areas of ulceration, loose bloody stool and weight loss for 8 weeks, suggestive of inflammatory bowel disease. Genital lesions of syphilides were later observed and Venereal Disease Research Laboratory test was positive, thus benzyl penicillin treatment was prescribed with total resolution of genital and bowel symptoms.