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Malignant transformation in chronic osteomyelitis.

Diogo Lino Moura1, Rui Ferreira1, António Garruço1

  • 1Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.

Revista Brasileira De Ortopedia
|April 15, 2017
PubMed
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Squamous cell carcinoma can arise decades after chronic osteomyelitis. Early diagnosis and proximal amputation are crucial for treating this rare complication and improving patient outcomes.

Area of Science:

  • Oncology
  • Orthopedic Surgery
  • Dermatology

Background:

  • Carcinomatous degeneration is a rare, late complication of chronic osteomyelitis, often developing decades after initial diagnosis.
  • This study focuses on squamous cell carcinoma (SCC) arising secondary to chronic osteomyelitis.

Purpose of the Study:

  • To report findings from a retrospective analysis of six cases of SCC originating from chronic osteomyelitis.
  • To analyze the characteristics of osteomyelitis, time to malignancy, diagnostic signs, cancer type, and treatment outcomes.

Main Methods:

  • Retrospective review of six patients with chronic osteomyelitis and secondary cutaneous SCC.
  • Analysis included osteomyelitis etiology, time to malignancy, suspicious signs, cancer localization and histology, and treatment interventions.
Keywords:
Malignant tumorsNeoplasic cell transformationOsteomyelitisSquamous cell carcinoma

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Main Results:

  • Malignant degeneration occurred a mean of 49.17 years (range: 32-65 years) after osteomyelitis onset.
  • All cases involved cutaneous SCC, primarily arising from tibia osteomyelitis (5/6 cases).
  • Treatment involved proximal amputation; one patient had metastasis, but no local recurrence was observed.

Conclusions:

  • Early detection of malignancy is critical for patients with chronic osteomyelitis.
  • Proximal amputation is an essential treatment modality for improving prognosis in secondary SCC.
  • Prompt diagnosis and surgical intervention are key to successful management and patient outcomes.