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Tumoral calcinosis with hyperphosphatemia.

S Mahadevan1, B Adhisivam, Chandra N Kumar

  • 1Department of Pediatrics, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry, India. smaha1232@rediffmail.com

Indian Journal of Pediatrics
|November 8, 2005
PubMed
Summary

Tumoral calcinosis is a rare metabolic disorder causing calcific masses near joints in young adults. This case highlights its presentation in a pediatric patient, often misdiagnosed as bone tumors.

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Area of Science:

  • Mineral metabolism disorders
  • Pediatric endocrinology
  • Rare genetic diseases

Background:

  • Tumoral calcinosis is a rare condition affecting mineral metabolism, characterized by calcific deposits around large joints.
  • It typically manifests in adolescents and young adults and is often misdiagnosed as bone tumors.
  • This disorder is less frequently reported in the pediatric population.

Observation:

  • A ten-year-old boy presented with clinical and biochemical features consistent with tumoral calcinosis.
  • The patient exhibited characteristic calcific masses around major joints.
  • Diagnostic workup revealed hyperphosphatemia with normal serum calcium, parathyroid hormone (PTH), and alkaline phosphatase levels.

Findings:

  • The case presentation aligns with the typical diagnostic criteria for tumoral calcinosis.

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  • Hyperphosphatemia is a key biochemical marker in this rare disorder.
  • Normal serum calcium, PTH, and alkaline phosphatase levels help differentiate it from other conditions.

    • Implications:

    • Early recognition of tumoral calcinosis in children is crucial to avoid misdiagnosis and delayed treatment.
    • Understanding the typical biochemical profile aids in accurate diagnosis.
    • Further research into the pathophysiology and management of tumoral calcinosis in pediatric populations is warranted.