Melorheostosis of the Trapezium

Hyun-Chul Choi; Ji-Han Jung; Joo-Yup Lee

doi:10.12790/jkssh.2014.19.3.145

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Choi, Jung, and Lee: Melorheostosis of the Trapezium

CASE REPORT

J Korean Soc Surg Hand 2014;19(3):145-149.

Published online: 11 September 2014

DOI: https://doi.org/10.12790/jkssh.2014.19.3.145

Melorheostosis of the Trapezium

Hyun-Chul Choi¹, Ji-Han Jung², Joo-Yup Lee^2,

¹Department of Orthopedic Surgery, The Catholic University of Korea, Seoul, Korea

²Department of Hospital Pathology, The Catholic University of Korea, Seoul, Korea

Correspondence to: Joo-Yup Lee, Department of Orthopedic Surgery, St. Vincent's, Hospital, The Catholic University of Korea, 93, Jungbudaero, Paldal-gu, Suwon 442-723, Korea, TEL: +82-31-249-8301, FAX: +82-31-254-7186, E-mail: jylos1@gmail.com

Received 10 July 20144 September 2014 Accepted 9 September 2014

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

We report a 56-year-old female with symptomatic protrusion of the bony lesion in the trapezium. Excision and biopsy of the bony lesion revealed thickened and sclerotic bony trabecula with adjacent zone of fibrocartilage, which is comparable with melorheostosis. This lesion with unique radiologic and histologic findings may be important to differentiate with other bony lesions such as myositis ossifications and osteosarcoma.

Keywords: Melorheostosis, Trapezium, Histology

REFERENCES

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Fig. 1.

A 56-year-old female visited to our hospital with palpable mass in the volar aspect of left hand thenar area. Upon examination there was pain on palpation on the above mass.

Fig. 2.

Plain radiographs showed ovoid sclerotic lesion in juxtacortical area of the trapezium and irregular eccentric bone formation along the distal radius.