Rectal duplication cyst presenting as rectal prolapse in an infant

In this paper, we are reporting a case of an 8 months old male who presented with rectal prolapse. Digital rectal examination revealed a soft mass bulging through the posterior wall of rectum. Computed tomography (CT) scan showed a cystic mass compressing the posterior wall of the rectum. The mass was excised using a Muscle Complex Saving Posterior Sagittal approach (MCS-PSA). The pathology report confirmed the diagnosis of the rectal duplication cyst. The postoperative recovery was uneventful.