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Diagnosis and treatment of traumatic pulmonary pseudocysts
Giulio Melloni1, George Cremona, Paola Ciriaco
1Department of Thoracic Surgery, San Raffaele University, Milan, Italy. giulio.melloni@hsr.it
Insights
Traumatic pulmonary pseudocysts (TPPs) are rare after blunt chest trauma. Computed tomography reliably detects TPPs, which often heal spontaneously and rarely require surgery.
Area of Science:
- Pulmonology
- Radiology
- Trauma Surgery
Background:
- Traumatic pulmonary pseudocysts (TPPs) are infrequent complications of blunt chest trauma.
- This study reviews TPP cases to understand their diagnosis, treatment, and potential complications.
Purpose of the Study:
- To evaluate the diagnostic utility of imaging modalities for TPPs.
- To describe the natural history and management of TPPs.
Main Methods:
- Retrospective review of 11 TPP cases diagnosed between 1991 and 1999.
- Comparison of chest radiography and computed tomography (CT) scan findings.
Main Results:
- Chest radiography failed to detect TPPs on the day of injury in all cases.
- CT scans successfully identified all TPPs.
- Nine of ten patients experienced spontaneous resolution of TPPs.
- One patient required emergency lobectomy due to significant endobronchial bleeding from a large lesion.
Conclusions:
- CT is superior to chest radiography for diagnosing TPPs, especially when initial radiographs are taken in the supine position.
- TPPs are typically benign and self-limiting, often not requiring specific treatment.
- Surgical intervention for TPPs is reserved for rare cases with complications like severe bleeding.
Background:
Traumatic pulmonary pseudocysts (TPPs) are rare sequelae of blunt chest trauma. We present a retrospective review of TPPs observed in our hospital and discuss the diagnosis, treatment, and complications of these unusual lesions.
Methods:
Between 1991 and 1999, 11 TPPs were diagnosed in 10 patients. None of the lesions was detectable on the chest radiograph obtained on the day of injury. In contrast, computed tomographic scan of the chest always demonstrated the TPPs.
Results:
In nine cases, spontaneous healing of the lesions was observed. One patient with a large lesion of the left lower lobe developed significant endobronchial bleeding and underwent successful emergency lobectomy.
Conclusion:
TPPs are often missed by chest radiography, particularly when it is obtained in the supine position, whereas computed tomographic scan allows the identification of these lesions in all cases. TPPs are self-limiting, benign lesions that usually require no specific therapy. Surgical treatment is indicated in rare instances and only when complications occur.