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[Atypical pulmonary hydatid cyst]
F L Mihaltan1, P Galbenu, O Bercea
1Institut de Pneumopthisiologie, Nasta Bucarest, Hongrie.
Revue Des Maladies Respiratoires
|January 1, 1993
Abstract:
An atypical form of a pulmonary hydatid cyst is described. This was a solitary super-infected pseudo-tumoral cyst and the membrane was incarcerated which has enabled us to propose as a description for this new morphological aspect of a cyst, with a filled margin of the proliferative membrane. We propose the term "Rosebud".
Insights
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.
- Recognizing this sign can potentially improve patient management and outcomes for pulmonary echinococcosis.