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J Hand Microsurg 2010; 02(01): 24-27
DOI: 10.1007/s12593-010-0001-z
Case Report
Thieme Medical and Scientific Publishers Private Ltd.

Digital intraosseous epidermoid inclusion cyst of the distal phalanx[*]

David E. Ruchelsman
1   Department of Orthopaedic Surgery, New York University Hospital for Joint Diseases, New York, USA   eMail: david.ruchelsman@nyumc.org
,
Daniel K. Laino
1   Department of Orthopaedic Surgery, New York University Hospital for Joint Diseases, New York, USA   eMail: david.ruchelsman@nyumc.org
,
Kimberlly S. Chhor
1   Department of Orthopaedic Surgery, New York University Hospital for Joint Diseases, New York, USA   eMail: david.ruchelsman@nyumc.org
,
German C. Steiner
2   Department of Musculoskeletal Pathology, New York University Hospital for Joint Diseases, New York, USA
,
Samuel Kenan
1   Department of Orthopaedic Surgery, New York University Hospital for Joint Diseases, New York, USA   eMail: david.ruchelsman@nyumc.org
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Publikationsverlauf

17. Januar 2009

07. Februar 2009

Publikationsdatum:
05. September 2016 (online)

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Abstract

Epidermoid inclusion cysts (EIC) of the bone are exceedingly rare. We present a case of an atypical EIC originating at the base of the distal phalanx of the index finger following a remote history of crush injury to the finger. The differential diagnosis of expansile, lytic lesions of the phalanges remains broad, and definitive diagnosis requires tissue histopathological analysis. At latest follow-up, the patient was pain-free and obtained an excellent clinical and radiographic outcome following intra-lesional curettage and bone grafting. Differentiation of EIC from other radiolucent digital lesions remains challenging, especially when classic radiographic findings are not seen. We review the clinical, radiographic, and pathologic diagnostic features of this lesion, as well as our current treatment algorithm.

Keywords

Epidermoid inclusion cyst - Phalanx lesion - Hand tumor
*

Investigation performed at New York University Hospital for Joint Diseases, New York, USA


 

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