Discussion of Steatocystoma multiplex
- Steatocystoma multiplex is a rare familial hamartomatous malformation that is characterized by the presence of multiple intradermal cysts
- Cyst usually appear during adolescence and then progress.
- The cysts contain a clear oily liquid and small amounts of keratinous material.
- The differential diagnosis of steatocystoma multiplex on mammography:
 Imaging Findings for Steatocystoma multiplex
- Mammography shows characteristic subcutaneous oil cysts as multiple small, round forms with a circumscribed margin, central fat density, and a peripheral high-density rim.
- Sonography shows multiple nodules that are oval, relatively well marginated, and hypoechoic with posterior enhancement.
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 References for Steatocystoma multiplex
- Park, Kae Young, Oh, Ki Keun, Noh, Tae Woong. Steatocystoma Multiplex: Mammographic and Sonographic Manifestations. Am. J. Roentgenol. 2003 180: 271-274.