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Related Experiment Videos

[Atypical pulmonary hydatid cyst]

F L Mihaltan1, P Galbenu, O Bercea

  • 1Institut de Pneumopthisiologie, Nasta Bucarest, Hongrie.

Revue Des Maladies Respiratoires
|January 1, 1993
PubMed
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A rare "Rosebud" sign in pulmonary hydatid cysts is described, characterized by an incarcerated membrane within a solitary, super-infected, pseudo-tumoral cyst. This unique morphology offers new insights into pulmonary parasitic infections.

Area of Science:

  • Pulmonology
  • Parasitology
  • Radiology

Background:

  • Pulmonary hydatid cysts are parasitic infections caused by Echinococcus granulosus.
  • Typical hydatid cysts present specific imaging characteristics, but atypical forms can pose diagnostic challenges.

Observation:

  • A case of a solitary pulmonary hydatid cyst with an unusual presentation is detailed.
  • The cyst was characterized as super-infected and pseudo-tumoral, with an incarcerated germinal membrane.

Findings:

  • The incarcerated membrane created a distinct "filled margin" appearance.
  • This unique morphological feature led to the proposal of the term "Rosebud sign" for this atypical presentation.

Implications:

  • The "Rosebud sign" may aid in the radiologic diagnosis of atypical pulmonary hydatid cysts.

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  • Recognizing this sign can potentially improve patient management and outcomes for pulmonary echinococcosis.