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

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

  • 1Department of Surgery, Kangwon National University Hospital, Chuncheon, Korea.
  • 2Department of Pediatric Surgery, Seoul National University Children's Hospital, Seoul, Korea. spkhy02@snu.ac.kr


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.


Pedunculated lipofibroma; Nevus lipomatosus cutaneous superficialis; Neonate

MeSH Terms

Adipose Tissue
Infant, Newborn


  • 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.

  • 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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