Bizarre Parosteal Osteochondromatous Proliferation in the Proximal Phalanx of the Third Toe: A Case Report

Haeng-Kee Noh; Ho-Seung Jeon; Seung-Joo Jeon; Chan-Sam Moon; Seo-Goo Kang; Gyung-Sub Song

doi:10.5292/jkbjts.2011.17.2.91

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Noh, Jeon, Jeon, Moon, Kang, and Song: Bizarre Parosteal Osteochondromatous Proliferation in the Proximal Phalanx of the Third Toe: A Case Report

Original Article

J Korean Bone Joint Tumor Soc 2011;17(2):91-94.

Published online: 10 January 2011

DOI: https://doi.org/10.5292/jkbjts.2011.17.2.91

Bizarre Parosteal Osteochondromatous Proliferation in the Proximal Phalanx of the Third Toe: A Case Report

Haeng-Kee Noh, M.D., Ho-Seung Jeon, M.D., Seung-Joo Jeon, M.D., Chan-Sam Moon, M.D., Seo-Goo Kang, M.D., Gyung-Sub Song, M.D.^*

Department of Orthopedic Surgery, Sung-Ae Hospital, Seoul, Korea

^*Kwangmyung Sung-Ae Hospital, Gwangmyeong, Korea

Correspondence to: Seung-Joo Jeon, M.D. Department of Orthopedic Surgery, Sung-Ae Hospital, 451-5, Shingil-1-dong, Youngdeungpo-gu, Seoul 150-960, Korea TEL: +82-2-840-7232 FAX: +82-2-840-7755 E-mail: jsj232@naver.com

Received 30 September 2011 Revised 25 November 2011 Accepted 30 November 2011

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Bizarre parosteal osteochondromatous proliferation (BPOP) otherwise known as Nora's lesion, is a benign surface tumor of the small tubular bone of the hands and feet with high probability of local recurrence. The report of BPOP in the foot is very rare in our country. We report a case of BPOP of proximal phalanx of right 3^rd toe in 44-year-old female, successfully managed by en-bloc marginal excision with a review of the literatures.

Keywords: toe, bizzarre parosteal osteochondromatous proliferation, marginal excision

References

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Figure 1.

Preoperative photograph shows a bony mass located on the medial-plantar aspect of proximal phalanx of the 3rd toe.

Figure 2.

Preoperative radiograph shows a 21×13 mm sized exostotic mass on the medial-plantar aspect of proximal phalanx of the 3rd toe (white arrow). The protruding bony mass does not connect with the medullary cavity of proximal phalanx.

Figure 3.

Preoperative computed tomography scans show an irregular and calcified mass of the proximal phalanx.

Figure 4.

Intraoperative photograph shows a relatively well margined whitish irregular calcified mass.

Figure 5.

Photomicrograph shows bizarre chondrocyte, osteoid and spindle cells that favor parosteal osteochondromatous proliferation (BPOP).

Figure 6.

Postoperative radiograph shows no evidence of local recurrence.

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