Abstract:
IMPORTANCE:Cryolipolysis is the noninvasive reduction of fat with localized cutaneous cooling. Since initial introduction, over 650,000 cryolipolysis treatment cycles have been performed worldwide. We present a previously unreported, rare adverse effect following cryolipolysis: paradoxical adipose hyperplasia. OBSERVATIONS:A man in his 40s underwent a single cycle of cryolipolysis to his abdomen. Three months following his treatment, a gradual enlargement of the treatment area was noted. This enlargement was a large, well-demarcated subcutaneous mass, slightly tender to palpation. Imaging studies revealed accumulation of adipose tissue with normal signal intensity within the treatment area. CONCLUSIONS AND RELEVANCE:Paradoxical adipose hyperplasia is a rare, previously unreported adverse effect of cryolipolysis with an incidence of 0.0051%. No single unifying risk factor has been identified. The phenomenon seems to be more common in male patients undergoing cryolipolysis. At this time, there is no evidence of spontaneous resolution. Further studies are needed to characterize the pathogenesis and histologic findings of this rare adverse event.
journal_name
JAMA Dermatoljournal_title
JAMA dermatologyauthors
Jalian HR,Avram MM,Garibyan L,Mihm MC,Anderson RRdoi
10.1001/jamadermatol.2013.8071subject
Has Abstractpub_date
2014-03-01 00:00:00pages
317-9issue
3eissn
2168-6068issn
2168-6084pii
1793816journal_volume
150pub_type
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