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High ectopic kidney presenting as an abnormal liver-lung scan: case report
Summary
A liver-lung scan revealed a defect, initially suspected as a subphrenic abscess in a 78-year-old woman. However, this abnormality was ultimately identified as an ectopic right kidney.
Area of Science:
- Radiology
- Diagnostic Imaging
- Abdominal Anatomy
Background:
- Liver-lung scans are diagnostic tools used to assess abnormalities in the upper abdominal and thoracic regions.
- Subphrenic abscesses can present as defects on these scans, mimicking other conditions.
- Accurate interpretation is crucial for appropriate patient management.
Observation:
- A 78-year-old female patient presented with a positive liver-lung scan.
- A specific finding was a cold area located between the base of the right lung and the liver.
- This defect was initially interpreted as a potential subphrenic abscess.
Findings:
- Further investigation revealed the "defect" was not an abscess but an anatomically misplaced right kidney.
- The kidney was located in a subphrenic position, causing the imaging anomaly.
- This represents an unusual cause for a positive liver-lung scan finding.
Implications:
- Highlights the importance of considering rare anatomical variations in diagnostic imaging.
- Underscores the need for comprehensive evaluation beyond initial interpretations of scans.
- This case broadens the differential diagnosis for defects seen on liver-lung scans.