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[A case of orbital hematic cyst].

Y Tosaka1, S Fujii, K Ogawa

  • 1Eye Clinic, Niigata Municipal Hospital, Japan.

Nippon Ganka Gakkai Zasshi
|June 1, 1992
PubMed
Summary

Orbital hematic cysts can enlarge due to localized accelerated fibrinolysis, a condition where blood within the cyst doesn't clot properly. This case report details a pediatric patient experiencing persistent swelling after trauma.

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Area of Science:

  • Ophthalmology
  • Hematology
  • Pathology

Background:

  • Orbital hematic cysts are rare, often presenting after trauma.
  • Understanding their pathogenesis is crucial for effective management.

Observation:

  • A 3-year-old boy developed left upper lid swelling and exophthalmos post-blunt trauma.
  • Initial hematoma resolved, but swelling and exophthalmos persisted and increased.
  • Surgical exploration revealed a cyst containing non-coagulating blood.

Findings:

  • Histopathology showed a cyst with thickened fibrogranulomatous tissue and no inner lining.
  • Hematological analysis revealed significantly prolonged activated partial thromboplastin time and prothrombin time.
  • Marked decrease in fibrinogen and elevated fibrin degradation products indicated localized hyperfibrinolysis.

Implications:

  • The findings support the hypothesis of localized accelerated fibrinolysis contributing to hematic cyst enlargement.
  • This case highlights the importance of considering coagulation abnormalities in orbital lesions.
  • Further research into the mechanisms of orbital hematic cyst formation and growth is warranted.

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