Case report finds MRI effectively identifies accessory cavitated uterine mass in a young female, highlighting its role in diagnosis.
Accessory Cavitated Uterine Mass (ACUM) is a rare Müllerian anomaly typically seen in adolescents or young women presenting with severe dysmenorrhoea. It can mimic other pelvic pathologies such as adenomyosis or endometriosis. Magnetic Resonance Imaging (MRI) plays a pivotal role in identifying and characterising the lesion preoperatively. The present case report includes a case of a 21-year-old unmarried woman presenting with severe dysmenorrhoea since menarche. MRI revealed a well-defined intramyometrial cystic lesion near the right uterine cornua, which was mildly hyperintense on T1 and heterogeneously hyperintense on T2, without communication to the endometrial cavity-findings consistent with ACUM. The diagnosis was confirmed after laparoscopic excision and histopathological analysis, resulting in complete postoperative symptom relief. ACUM is a rare but treatable cause of severe dysmenorrhoea in young females. MRI offers crucial diagnostic clarity, allowing for early surgical intervention and improved quality of life.
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Chhabhadiya et al. (2025) studied this question.
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