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Chinese Journal of Diagnostics(Electronic Edition) ›› 2024, Vol. 12 ›› Issue (04): 254-259. doi: 10.3877/cma.j.issn.2095-655X.2024.04.008

• Clinical Studies • Previous Articles    

Imaging features of aggressive angiomyxoma and literature review

Fangfang Zhang1, Jun Li1, Yujie Zhao2, Tong Yu3, Chunping Ning1,()   

  1. 1.Department of Abdominal Ultrasound
    2.Department of Pathology
    3.Department of Radiology,the Affiliated Hospital of Qingdao University,Qingdao 266000,China
  • Received:2024-08-02 Online:2024-11-26 Published:2024-12-09
  • Contact: Chunping Ning

Abstract:

Objective

To investigate the imaging features in patients with aggressive angiomyxoma(AAM).

Methods

The ultrasonography,CT and magnetic resonance imaging (MRI) data of 5 patients with AAM confirmed by postoperative pathology were retrospectively analyzed from January 2016 to November 2023 in the Department of Abdominal Ultrasound of Affiliated Hospital of Qingdao University,and the literature was reviewed.

Results

All the 5 patients with AAM were female,and the masses were located in the perineum or pelvic cavity,with the maximum diameter of 7-32 cm.MRI enhancement showed characteristic layered enhancement of perineal mass in 1 patient.After CT enhancement,2 cases showed uneven mild or light-moderate enhancement,and the envelope was significantly enhanced,and the internal septa and envelope were significantly enhanced in 1 case.The ultrasonography of 3 cases showed uneven internal echoes,and color Doppler ultrasonography indicated multiple streaks of blood flow signals within the masses,of which 2 cases were hypoechoic masses,with layered distribution high echoes,irregular in shape,and extending to surrounding tissues in a "finger" like or "tongue" like shape.CT angiography (CTA) and CT venography (CTV) showed radial distribution of blood-supply arteries and veins in the mass in 1 case.

Conclusion

The diagnosis of AAM should be considered when imaging findings reveals a mass with characteristic internal laminar shape within the perineum or pelvis,or an uneven internal echo that extends to both sides of the pelvis in a "finger like" or "tongue like" shape.

Key words: Aggressive angiomyxoma, Ultrasonography, Mesenchymal tissue tumors, Soft tissue neoplasms, Imaging examination

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