Related Experiment Videos
Lymphangioleiomyomatosis: pulmonary and abdominal findings with pathologic correlation
Esther Pallisa1, Pilar Sanz, Antonio Roman
1Department of Radiology, Hospital General Universitari Vall d'Hebron, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain. 26787epn@comb.es
Summary
Lymphangioleiomyomatosis (LAM) is a rare lung disease causing pulmonary cysts. High-resolution CT is crucial for diagnosing LAM, identifying characteristic lung cysts and potential abdominal findings.
Area of Science:
- Pulmonology
- Radiology
- Medical Imaging
Background:
- Lymphangioleiomyomatosis (LAM) is a rare, progressive lung disease predominantly affecting women.
- It is characterized by the abnormal proliferation of smooth muscle cells, leading to the formation of pulmonary cysts.
Purpose of the Study:
- To detail the characteristic imaging findings of LAM on computed tomography (CT).
- To emphasize the diagnostic utility of high-resolution CT (HRCT) in identifying pulmonary cysts associated with LAM.
- To describe associated extrathoracic manifestations that can support the diagnosis.
Main Methods:
- Review of CT imaging findings in patients diagnosed with LAM.
- Focus on HRCT for cyst detection and characterization.
- Correlation of pulmonary findings with abdominal imaging results.
Main Results:
- HRCT is superior to conventional CT and chest radiography for detecting diffuse, round pulmonary cysts.
- Cysts are typically thin-walled, diffusely distributed, and affect lung bases in all patients.
- Associated findings include renal angiomyolipomas and cystic retroperitoneal masses (lymphangiomas).
Conclusions:
- HRCT is essential for the diagnosis of LAM, revealing characteristic pulmonary cysts.
- Abdominal imaging can reveal additional findings like renal angiomyolipomas, aiding in diagnosis.
- Understanding these imaging features is key for accurate LAM diagnosis and management.