Ultrasound wall-sign in pulmonary echinococcosis (new application)
M El Fortia1, A El Gatit, M Bendaoud
1Department of Radiology, Misurata Teaching Hospital, Misurata, Libya. elfortia@doctor.com
Ultraschall in Der Medizin (Stuttgart, Germany : 1980)
|December 13, 2006
Summary
Ultrasound’s wall sign (WS) aids in diagnosing pulmonary echinococcosis. This imaging technique reliably identifies both unilocular and multivesicular hydatid disease, improving diagnostic accuracy.
Area of Science:
- Radiology
- Infectious Diseases
- Parasitology
Background:
- Pulmonary echinococcosis, or hydatid disease, presents diagnostic challenges.
- Imaging modalities like chest radiography can suggest the presence of cysts.
- Definitive diagnosis often requires invasive methods.
Purpose of the Study:
- To evaluate the diagnostic utility of a specific ultrasound sign related to the cystic wall for pulmonary echinococcosis.
- To assess the reliability of the wall sign (WS) in differentiating cyst types.
Main Methods:
- Retrospective analysis of 40 patients with suspected pulmonary echinococcosis.
- Ultrasound examination utilizing the wall sign (WS) over a 9-year period.
- Surgical cyst removal and histopathological confirmation as the gold standard.
Main Results:
- 46 cysts were analyzed: 34 unilocular and 12 multivesicular.
- The wall sign (WS) was observed in 66.7% of unilocular and 100% of multivesicular cysts.
- Histopathology confirmed echinococcosis in all surgically removed cysts.
Conclusions:
- The ultrasound wall sign (WS) is a reliable indicator for diagnosing pulmonary echinococcosis.
- A double-layered border in univesicular and a double-layered internal septum in multivesicular cysts are specific indicators.
- Ultrasound with WS offers valuable diagnostic information for pulmonary hydatid disease.
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