RésuméAbstract -Molluscum contagiosum of the oral mucosa: case report and literature review. Introduction : Molluscum contagiosum (MC) is a viral cutaneous infection which is passed on by direct or indirect contact. It commonly affects children, but oral mucosa manifestations are rare. Observation: The case of a 70-year-old patient, affected by rheumatoid polyarthritis treated by immunomodulators, and presenting MC of the oral mucosa, is reported. Discussion: In a systematic review of the literature, 7 cases of MC presenting the same oral manifestations have been described. The clinical features differ between immunocompetent and immunosuppressed patients. Conclusion: In cases of recurring MC, local surgical treatment and regular follow-up must be proposed to the patient.