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Journal of Pediatric Orthopaedics B:
doi: 10.1097/BPB.0b013e32835367c0
Miscellaneous

Langerhans cell histiocytosis of bone in children: a long-term retrospective study

Postini, Anna Mariaa; Andreacchio, Antoniob; Boffano, Micheleb; Pagano, Manuelaa; Brach Del Prever, Adalbertoa; Fagioli, Francaa

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Abstract

Langerhans cell histiocytosis is rare and frequently involves the bone. We retrospectively reviewed the orthopaedic aspects (symptoms, localizations, treatments) and the long-term outcome [disease status, overall survival (OS), event-free survival (EFS)] of 121 patients (June 1968–December 2009). The main symptom was local pain. The orthopaedic treatment was mainly conservative. The most frequent localization was osseous monofocal (62% of monosystemic diseases). Monosystemic and osseous monofocal localizations, treatment after 1991 (OS, P=0.007; EFS, P=0.03) and age older than 2 years (OS, P=0.003; EFS, P=0.001) were prognostic factors that were positively associated with survival. Oncologic treatment has improved over time, translating into better survival. A biopsy is often mandatory.

© 2012 Lippincott Williams & Wilkins, Inc.

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