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Related Experiment Videos

Cat-scratch disease simulating Histiocytosis X

L C Berg1, A Norelle, W A Morgan

  • 1Department of Pathology, Gunderson Clinic, Ltd, LaCrosse, WI 45601, USA.

Human Pathology
|July 4, 1998
PubMed
Summary

Cat-scratch disease, a common childhood illness, can rarely cause bone lesions. This case highlights a skull osteolytic lesion initially misdiagnosed but confirmed as cat-scratch disease via serology and history.

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Area of Science:

  • Pediatric Infectious Diseases
  • Skeletal Radiology
  • Dermatology

Background:

  • Cat-scratch disease (CSD) is typically a benign, self-limiting illness characterized by chronic lymphadenopathy in children.
  • Osteolytic lesions are an uncommon but documented manifestation of CSD.
  • Differential diagnosis for osteolytic bone lesions in children is broad, including entities like Histiocytosis X.

Observation:

  • A pediatric case presented with a solitary osteolytic skull lesion.
  • Initial clinical, radiographic, and pathological assessments suggested Histiocytosis X.
  • The patient had a history of cat exposure preceding symptom onset.

Findings:

  • Positive serological titers for Bartonella henselae confirmed the diagnosis.
  • Review of histopathology and clinical history solidified the diagnosis of CSD.

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  • Literature review identified and compared this case with previously reported osteolytic CSD lesions.

    • Implications:

    • This case underscores the importance of considering CSD in the differential diagnosis of pediatric osteolytic bone lesions.
    • Accurate diagnosis of CSD is crucial for appropriate management and understanding of its rare skeletal complications.
    • Further research into the pathogenesis of CSD-associated osteolytic lesions may be warranted.