Vaginal wall cysts occur rarely and can cause a variety of symptoms. A 33-year-old woman presented with a 2-week history of vaginal bulging and pelvic pressure. Pelvic examination revealed a protruding cystic mass on the anterior vaginal wall and two small cysts located in the left upper vaginal wall. The pelvic magnetic resonance imaging (MRI) revealed a non-septated homogenous vaginal cyst that was differentiated from the urethral diverticulum. MRI is useful for localizing and differentiating vaginal cysts. However, physical examination is important for the detection and characterization of small cysts.
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