J Korean Surg Soc.  2013 Jan;84(1):70-72.

Heart-shaped pedunculated lipofibroma of the coccygeal area in a neonate

• Hong SM
• Kim SH
• Jung SE
• Park KW
• Kim HY

Abstract

Pedunculated lipofibroma is a rare benign hamartomatous condition that is characterized by ectopic adipose tissue in the dermis and a solitary form of nevus lipomatosus cutaneous superficialis. We describe here a neonate with congenital pedunculated lipofibroma. The lesion was removed by simple excision.

Keyword

Pedunculated lipofibroma; Nevus lipomatosus cutaneous superficialis; Neonate

MeSH Terms

Adipose Tissue
Dermis
Humans
Infant, Newborn
Nevus

Figure

• 

  Fig. 1 Gross finding; (A) 1.5 × 1.8 cm sized soft, solitary, pedunculated, flesh-colored, heart shaped mass on coccygeal area, (B) elevated tip of mass revealed perianal area.

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  Fig. 2 Microscopic finding; (A) adipocyte clusters without capsule in reticular dermis and epidermis shows papillomatosis (H&E, ×100), (B) lots of mature adipose tissue is trapped between bundles of dermal collagen fibers (H&E, ×400).

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