2 documents found, page 1 of 1
Non-reactive VDRL in secondary syphilis: a clinical case of prozone phenomenon?
Ribau, Rita; Rua, Inês; Martins, ElsaIntroduction: Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum. Syphilis is preventable and treatable and can present several manifestations, depending on its stage – primary, secondary, or latent. The prozone phenomenon is a rare situation in which, due to an excess of antibodies in secondary syphilis, the VDRL presents a false-negative qualitative result. This clinical c...
Trimethylaminuria, a social disease? A case report
Rua, Inês; Ribau, Rita; Fonseca Silva, Mariana; Martins, ElsaTrimethylaminuria or ‘fish odour syndrome’ is a rare and under-recognised disease caused by a deficit of flavin monooxygenase 3 enzyme (FMO3). This disease is characterized by the presence of a fishy smell after the ingestion of foods containing trimethylamine precursors. There are no other relevant physical symptoms, however, the social and psychological consequences may be detrimental. Understanding and diagn...