Sebaceous hyperplasia
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Synopsis
Classically, sebaceous hyperplasia affects middle-aged to older adults, where it is seen in more than 25% of individuals. It also has been noted to rarely occur in the peripubertal and young adult age group, often in a familial pattern.
Sebaceous hyperplasia may also be present on the nipples, where it is referred to as Montgomery's tubercles, and on anogenital regions of the foreskin, penile shaft, scrotum, and vulva, where the differential diagnosis would include molluscum contagiosum and human papillomavirus (HPV).
Juxtaclavicular beaded lines (JCBL) is a unique presentation of sebaceous hyperplasia presenting as small (0.5-1.5 mm), slightly yellow papules in a linear pattern occurring in lines of cleavage localized to the low neck and juxtaclavicular areas. Unlike classic sebaceous hyperplasia, this condition presents earlier in life, starting during or just after puberty.
Sebaceous hyperplasia is seen in up to 30% of renal transplant patients receiving cyclosporin as immunosuppression and is also reported to affect heart and hematopoietic stem cell transplant recipients. Recently, the related immunosuppressant tacrolimus has been associated with the development of sebaceous hyperplasia as well.
Sebaceous hyperplasia is benign, and treatment is for cosmetic purposes, although, in rare cases, eruptions can be severe and disfiguring.
Related topic: Sebaceous hyperplasia in newborn
Codes
L73.8 – Other specified follicular disorders
SNOMEDCT:
238748009 – Sebaceous hyperplasia
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Last Updated:01/23/2020
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