Acorn cyst sign

Acorn cyst sign is a radiologic sign indicating the presence of a benign uncomplicated cyst in ultrasound examinations of the breast.^[1] It consists of a deep anechoic fluid portion resembling an acorn, and a superficial echogenic layer resembling an acorn cap. This sign is helpful for radiologists to differentiate a benign uncomplicated cyst from a complex mass.^[2]

References

^ Themes, U. F. O. (24 December 2015). "Breast Ultrasound". Radiology Key. Retrieved 4 June 2023.
^ Zhang, Zhao; Maimone, Santo (1 August 2023). "I saw the sign: Go nuts, it's the "acorn cyst" sign". Clinical Imaging. 100: 60–63. doi:10.1016/j.clinimag.2023.05.002. ISSN 0899-7071. Retrieved 4 June 2023.

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[1] Themes, U. F. O. (24 December 2015). "Breast Ultrasound". Radiology Key. Retrieved 4 June 2023.

[2] Zhang, Zhao; Maimone, Santo (1 August 2023). "I saw the sign: Go nuts, it's the "acorn cyst" sign". Clinical Imaging. 100: 60–63. doi:10.1016/j.clinimag.2023.05.002. ISSN 0899-7071. Retrieved 4 June 2023.

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