Authors / metadata

  • Authors: Luigi Montevecchi (1), Amal Drizi (2)
  • Affiliation: 1: Private Practitioner in obstetrics and gynecology, Rome; Italy
    2: Private Practitioner in obstetrics and gynecology, Algiers; Algeria
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DOI: 10.36205/trocarvid2.2021001

Accessory uterine cavitated mass / Class U6 malformations / Non communicating uterine horn
Accessory cavitated uterine mass (ACUM). Laparoscopic diagnosis and management of a rare class U6 uterine malformation
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Abstract

Study Objective: to demonstrate the laparoscopic diagnosis and management of a rare class U6 malformation, namely the accessory cavitated uterine mass (ACUM).

Design: A didactic description of the diagnostic and surgical steps through a case report.
Setting: A private hospital in Rome, Italy.

Patient: 55-year-old, gravida 0 para 0 patient, with a history of conization for a high-grade intraepithelial lesion and a xipho-pubic laparotomy for a recent car accident trauma. Few months after surgery, the patient underwent a control MRI, incidentally revealing a latero-uterine mass, with liquid content, requiring further investigation.

Intervention: Laparoscopy revealed a uterus deformed by a large mass situated at the right wall, under the round ligament, arousing suspicion of a non-communicating rudimentary horn with hematometra. The insertion of the ipsilateral Fallopian tube and utero-ovarian ligament indicated the right horn of a normally shaped uterus, thus orienting towards an ACUM. Incision and dissection of the mass led to the release of a chocolate fluid which was drained. The cavitated mass was completely excised.

Main result: Histological exam confirmed a uterus-like mass composed of a myometrial wall and an endometrium.

Corresponding author: Amal Drizi

Conclusion

ACUM belongs to the rare unclassified uterine malformations, poorly known by practitioners, and often misdiagnosed for a non-communicating rudimentary horn with hematometra or an adenomyotic cyst. The landmarks for a proper laparoscopic diagnosis and management are to be stressed.

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Sources / references

  • 1. Grimbizis GF, Gordts S, Sardo AS, et al. The ESHRE/ESGE consensus on the classification of female genital tract congenital anomalies. Hum Reprod 2013;28(8):2032–2044.
  • 2. Jain N, Verma R. Imaging diagnosis of accessory and cavitated uterine mass, a rare Mullerian anomaly. Indian J Radiol imaging 2014;24(2):178-181.
  • 3. Peters A, Rindos NB, Guido RS, Donnellan NM. Uterine-sparing Laparoscopic Resection of Accessory Cavitated Uterine Masses. J Minim Invasive Gynecol. 2018;25(1):24-25.

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