An uncommon case of hepatocellular adenoma is presented. In this case, the tumor was Tc-99m SC avid rather than the typical pattern of no uptake. Liver scintigraphy was able to demonstrate that the tumor originated from the liver correlating with ultrasound and computed tomography. Background information on hepatocellular adenomas, a differential diagnosis, and a logical approach to similar liver lesions is discussed.
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- FAP immunostaining results showed that a high percentage of CCA exhibited moderate to strong FAP expression compared to other tumor types, indicating a significant distinction.
- The findings suggest that FAP is consistently present in CCA tumor stroma regardless of clinical features, highlighting its potential as a target for future diagnostic and therapeutic strategies in treating different CCA subtypes.
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