Linfogranuloma venéreo rectal. Diagnóstico diferencial con enfermedad inflamatoria intestinal

We report the case of a 24-year old male with a 2-month history of diarrheal stools with blood and mucus, urgency associated with tenesmus, anal pain, abdominal pain and polyarthralgia. Initially targeted as a flare-up of ulcerative colitis, the patient was prescribed treatment with corticosteroids and mesalazine. A month later he came to our clinic due to the persistence of such symptoms despite treatment, and after a thorough anamnesis the patient confirmed unprotected anal sexual contact, so serological tests were requested and a colonoscopy was repeated with sampling for microbiology and histology. This confirmed the diagnosis of Chlamydia trachomatis proctitis.