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Diaphragmatic hernia masquerading as a pulmonary metastasis
J V Lodhia1, S Appiah, P Tcherveniakov
1University Hospital of South Manchester NHS Foundation Trust, UK.
Annals of the Royal College of Surgeons of England
|February 28, 2015
Summary
Iatrogenic injuries are a common cause of diaphragmatic hernias, particularly after laparoscopic surgery. This case highlights a rare instance of a diaphragmatic hernia misdiagnosed as a pulmonary nodule.
Area of Science:
- Medical Case Reports
- Surgical Pathology
- Diaphragmatic Hernia Research
Background:
- Iatrogenic injuries are the second leading cause of acquired diaphragmatic hernias, following penetrating trauma.
- The incidence of these hernias has risen with the increased utilization of laparoscopic surgical techniques.
- Understanding iatrogenic causes is crucial for accurate diagnosis and management of diaphragmatic defects.
Observation:
- A 65-year-old woman presented with a history of sigmoid and liver resections.
- Surveillance CT revealed a left lower lobe pulmonary nodule, initially suspected as a metastasis or primary lung lesion.
- During a mini-thoracotomy for nodule resection, it was identified as a diaphragmatic hernia.
Findings:
- The diaphragmatic hernia was most likely iatrogenic in origin, stemming from previous abdominal surgeries.
- The lesion's presentation as a pulmonary nodule posed a diagnostic challenge.
- Accurate preoperative diagnosis of iatrogenic diaphragmatic hernias can be difficult due to atypical presentation.
Implications:
- This case underscores the importance of considering diaphragmatic abnormalities in patients with a history of abdominal surgery.
- Enhanced vigilance and advanced imaging may be necessary to differentiate diaphragmatic hernias from pulmonary lesions.
- Improved diagnostic strategies are needed to prevent delayed or missed diagnoses of iatrogenic diaphragmatic hernias.
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