Sonographic findings in superficial angiomyxoma of the vulva in a perimenopausal female

Abstract

Superficial angiomyxoma (SAM) is an extremely rare soft tissue tumor. It is especially rare in the vulva, with only a few such cases reported in the medical literature. Here, we report a case of SAM of the vulva that was initially suspected to be a Bartholin gland cyst. The patient underwent local excision of the vulvar cyst under lumbar anesthesia. Clinical manifestations and B-scan ultrasonographic features are similar between SAM and cysts. Echoes in the mass are uneven and exhibit low echoes and punctate hyperechoic floating. Thus, increasing sonographers’ awareness of the high-frequency ultrasonography findings associated with this rare tumor could broaden their knowledge base.

Ultrasonic features of superficial angiomyxoma in the scrotum: A case image

“…US showed that the single mass was oval, well‐circumscribed, heterogeneous, and exhibited low echo and punctate hyperechoic variable position with slight posterior enhancement. Unlike the ultrasonic feature of SAM in the scrotum, CDI revealed that blood flow signal was abundant inside vulvar SAM 2 . Therefore, large cohorts are needed to further explore ultrasonic features of scrotal SAM on US.…”

“…Unlike the ultrasonic feature of SAM in the scrotum, CDI revealed that blood flow signal was abundant inside vulvar SAM. 2 Therefore, large cohorts are needed to further explore ultrasonic features of scrotal SAM on US. SAM should also be distinguished from another rare type of scrotal tumor-aggressive angiomyxoma (AAM).…”

Imaging findings of superficial angiomyxoma in the eye socket

“…Palpation of SAM reveals a soft, mobile, nonulcerated, and well‐defined tumor, with a range of polypoid to papulonodular appearances. On ultrasonography, SAM is a hypoechoic and heterogeneous tumor with a regular shape, well‐defined boundary, capsule, and posterior acoustic enhancement, which has a great variety of blood flow signals 2 . Computed tomography findings of SAM show an ovoid low‐density tumor with a slight or significant enhancement.…”

“…On ultrasonography, SAM is a hypoechoic and heterogeneous tumor with a regular shape, welldefined boundary, capsule, and posterior acoustic enhancement, which has a great variety of blood flow signals. 2 Computed tomography findings of SAM show an ovoid low-density tumor with a slight or significant enhancement. Additionally, magnetic resonance imaging has shown that SAM is a relatively well-circumscribed tumor with hypervascularity that shows an inner homogenous high signal intensity.…”