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Hepatocellular adenoma: diagnostic difficulties and novel imaging techniques
A K P Lim1, N Patel, W M W Gedroyc
1Robert Steiner MRI Unit, MRC Clinical Sciences Centre, Imperial College School of Medicine, Hammersmith Hospital, Du Cane Road, London W12 0HS, UK.
The British Journal of Radiology
|August 3, 2002
Summary
Diagnosing hepatic adenoma can be challenging. This case highlights how advanced imaging techniques like contrast-enhanced ultrasound and MR spectroscopy can aid in identifying these liver lesions.
Area of Science:
- Hepatobiliary imaging
- Gastroenterology
- Medical diagnostics
Background:
- Hepatic adenomas are rare benign liver tumors, often asymptomatic.
- Diagnosis can be challenging due to overlapping imaging features with other liver lesions.
- Accurate diagnosis is crucial to differentiate from malignant tumors and guide management.
Observation:
- A 30-year-old female presented with right upper quadrant pain and a liver lesion identified on CT.
- Standard MRI and ultrasound showed non-specific features.
- Phosphorus-31 MR spectroscopy revealed increased phosphomonoester and decreased phosphodiester, suggesting high cell turnover.
Findings:
- The liver lesion was confirmed as hepatocellular adenoma via biopsy.
- Contrast-enhanced ultrasound demonstrated low microbubble uptake.
- MR spectroscopy findings were compatible with increased cellular activity.
Implications:
- This case underscores the diagnostic utility of combining multiple imaging modalities for hepatic adenoma.
- Novel techniques like contrast-enhanced ultrasound and MR spectroscopy show promise in characterizing liver lesions.
- These advanced methods may improve diagnostic accuracy and reduce the need for invasive procedures.