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Bizarre Parosteal Osteochondromatous Proliferation of the Little Toe

Baransel Saygi, MD ^*, Evrim Karadag-Saygi, MD , Can Erzik, MD, PhD , Murat Erkan, MD  and Yakup Yildirim, MD ^*

^* Department of Orthopaedic Surgery, PTT Hospital, Istanbul, Turkey.
Department of Physical Medicine and Rehabilitation, Marmara University School of Medicine, Istanbul, Turkey.
Department of Medical Biology, Marmara University School of Medicine, Istanbul, Turkey.
Department of Pathology, PTT Hospital, Istanbul, Turkey.

Corresponding author: Baransel Saygi, MD, Oguzhan Cad Celik Sok No: 10-9 Adatepe-Maltepe, Istanbul, Turkey.

Abstract

A 19-year-old woman presented with pain at the lateral side of the fifth toe of her left foot, which was separated from the adjacent toe. Initial examination suggested dislocation of the fifth metatarsophalangeal joint due to a past fracture. Radiographs showed a mass arising from the proximal phalanx of the little toe, with no medullary and cortical continuity. Excisional biopsy of the mass was performed, and a histologic diagnosis of bizarre parosteal osteochondromatous proliferation of bone (Nora’s lesion) was made. (J Am Podiatr Med Assoc 96(2): 158–161, 2006)