Steatocystoma multiplex is an uncommon disease consisting of multiple cysts erupting over the chest, arms, axilla, and neck. It is of unknown incidence and can occur as a spontaneous mutation or inherited in an autosomal dominant pattern. A 47-year-old female with a past medical history only significant for multiple skin infections presented for a routine mammogram. Her imaging showed multiple circumscribed oil cysts. When contacted regarding the results, the patient said she has noticed multiple cysts presenting on her inner arms, chest, and trunk, of which one would occasionally exsanguinate oily material. She denies any other associated symptoms and says that she is the only member of her family to have these symptoms. The patient was informed of her diagnosis and requested to follow up with her primary care physician to monitor her symptoms. In summary, steatocystoma multiplex is a rare benign condition that can present similarly to a variety of other pathologies. It is important to note the unique clinical features of steatocystoma multiplex in order to prevent unnecessary and costly workup for patients who have this benign condition.
Keywords: breast screening; clinical dermatology; colored flow doppler ultrasound; general radiology; recurrent cyst; subcutaneous cyst; ultrasound scan.
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