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Insights
Diagnosis of intrathoracic transdiaphragmatic duplication cysts in infants can be identified using specific chest radiograph findings. These include posterior right-sided cysts, spinal dysraphism, and sub-diaphragmatic gas.
Area of Science:
- Pediatric Radiology
- Thoracic Surgery
- Congenital Abnormalities
Background:
- Intrathoracic transdiaphragmatic duplication cysts are rare congenital anomalies.
- Accurate and timely diagnosis is crucial for effective management.
Observation:
- Five infant cases of intrathoracic transdiaphragmatic duplication cysts are presented.
- Diagnostic clues were identified on plain chest radiographs.
Findings:
- Key radiographic features include posterior right-sided cystic areas.
- Associated findings include lower cervical or upper dorsal spinal dysraphism.
- Unusual gas collection beneath the right hemidiaphragm is another indicator.
Implications:
- Plain chest radiographs can suggest the diagnosis of these rare cysts.
- Further imaging like barium studies, myelography, and CT aid preoperative assessment.
- Early diagnosis facilitates appropriate surgical planning and intervention.
Abstract:
Five infants with intrathoracic transdiaphragmatic duplication cysts are presented. Diagnosis was possible from the combination of several features on plain chest radiographs: (a) right-sided cystic areas lying posteriorly in the chest, (b) lower cervical or upper dorsal spinal dysraphism, and (c) unusual gas collection beneath the right hemidiaphragm. Barium studies, positive-contrast myelography, and computed tomography were helpful in preoperative assessment.

