Paradoxical adipose hyperplasia after cryolipolysis.

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 Dermatol

journal_title

JAMA dermatology

authors

Jalian HR,Avram MM,Garibyan L,Mihm MC,Anderson RR

doi

10.1001/jamadermatol.2013.8071

subject

Has Abstract

pub_date

2014-03-01 00:00:00

pages

317-9

issue

3

eissn

2168-6068

issn

2168-6084

pii

1793816

journal_volume

150

pub_type

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