Mesenchymal Hamartoma With Elevated Alpha-Fetoprotein: A Diagnostic Pitfall.
Global pediatric health(2023)
Abstract
Mesenchymal hamartoma (MH) is a benign liver tumor accounting for 3% to 8% of all liver tumors in children, commonly manifesting before 3 years of life. Distinguishing MH from hepatoblastoma and other liver tumors relies on imaging and alpha-fetoprotein (which is usually within normal range in MH), before histologic examination. We report a case of a hepatic MH associated with elevated alpha-fetoprotein, leading to a misdiagnosis of hepatoblastoma and the administration of chemotherapy. We draw the attention to the diagnostic difficulty and pitfalls related to alpha-fetoprotein elevation in the setting of a liver tumor, and we highlight the importance of imaging and histology in establishing the diagnosis.
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Key words
liver, mesenchymal hamartoma, hepatoblastoma, alpha-fetoproteins, diagnosis
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