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Tumoral calcinosis simulating osteomyelitis.

I Caspi1, B Friedman, H Horoszovski

  • 1Department of Orthopedic Surgery B., Chaim Sheba Medical Center, Tel-Hashomer, Israel.

The Journal of Foot Surgery
|November 1, 1989
PubMed
Summary

A rare case of tumoral calcinosis mimicking osteomyelitis in a young woman is described. This condition, associated with bunion formation, presented with unusual soft tissue calcifications without a known cause.

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Area of Science:

  • Orthopedics
  • Radiology
  • Dermatology

Background:

  • Tumoral calcinosis is a rare disorder characterized by calcium hydroxyapatite deposition in soft tissues.
  • Osteomyelitis is a bone infection, often presenting with localized pain, swelling, and fever.
  • Bunion formation (hallux valgus) involves deviation of the big toe, often associated with foot pain and deformity.

Observation:

  • A 20-year-old female presented with symptoms suggestive of osteomyelitis.
  • Radiographic and clinical examination revealed extensive soft tissue calcifications and bunion formation.
  • No underlying metabolic or genetic causes for heterotopic calcification were identified.

Findings:

  • The patient's presentation mimicked osteomyelitis due to the location and appearance of calcifications.
  • Tumoral calcinosis was diagnosed, distinct from infection or typical causes of heterotopic ossification.
  • The co-occurrence of tumoral calcinosis and bunion formation is a novel observation.

Implications:

  • This case highlights the importance of considering tumoral calcinosis in the differential diagnosis of apparent osteomyelitis, especially with soft tissue calcifications.
  • The association with bunion formation suggests potential biomechanical or localized factors influencing calcification in specific joints.
  • Further research is needed to understand the pathogenesis and management of tumoral calcinosis in atypical presentations.

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