Long-term follow-up of a multifocal hepatic mesenchymal hamartoma producing a-fetoprotein

Andrew Fretzayas1, Maria Moustaki, Sofia Kitsiou

  • 13rd Department of Pediatrics, School of Medicine, University of Athens, Attikon University Hospital, 1 Rimini str Haidari, 12462, Athens, Greece.

Insights

A rare cystic hepatic mesenchymal hamartoma in a 6-month-old girl showed a decrease in alpha-fetoprotein (AFP) after surgery. This pediatric liver tumor case highlights a favorable long-term outcome with sustained recovery for 20 years.

Area of Science:

  • Pediatric Oncology
  • Surgical Pathology
  • Hepatobiliary Surgery

Background:

  • Cystic hepatic mesenchymal hamartoma is a rare benign liver tumor in infants.
  • Elevated alpha-fetoprotein (AFP) can be associated with certain pediatric liver tumors.
  • Surgical resection is the primary treatment for symptomatic or large hepatic tumors.

Observation:

  • A 6-month-old female infant presented with a large cystic hepatic mesenchymal hamartoma.
  • Preoperative serum analysis revealed significantly elevated levels of alpha-fetoprotein (AFP).

Findings:

  • The patient underwent successful left lobe hepatectomy and partial right lobectomy.
  • Postoperative follow-up demonstrated a marked decline in serum AFP levels.
  • The patient has remained clinically well with no recurrence for 20 years post-surgery.

Implications:

  • This case underscores the efficacy of surgical management for cystic hepatic mesenchymal hamartoma.
  • The long-term survival and recovery highlight the generally favorable prognosis of this condition with complete resection.
  • Monitoring AFP levels serves as a valuable indicator for treatment response and disease surveillance in pediatric liver tumors.

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