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Benign Hepatic Mesenchymal Hamartoma (HMH) - A Case Report
Shaileshkumar Radheshyam Patel1, Vatsala Misra2, Kachnar Verma3
1Junior Resident, Department of Pathology, Motilal Nehru Medical College , Allahabad, Uttar Pradesh, India .
Summary
This case report details an extremely rare benign liver tumor in a child. The benign hepatic mesenchymal hamartoma (HMH) presented as a large abdominal mass, highlighting the need for careful diagnosis.
Area of Science:
- Pediatric Oncology
- Hepatobiliary Pathology
- Surgical Pathology
Background:
- Benign Hepatic Mesenchymal Hamartoma (HMH) is an extremely rare liver tumor in children.
- Early diagnosis and surgical resection are crucial for favorable outcomes.
Observation:
- A one-year-old male presented with abdominal distension and a palpable liver mass.
- Imaging revealed a large solid mass in the right lobe of the liver.
- Gross examination showed a well-encapsulated, yellowish-white mass with a 'nutmeg-like' appearance.
Findings:
- Histopathology confirmed a benign hepatic mesenchymal hamartoma.
- Microscopic features included a fibrous capsule, numerous ducts, and myxoid changes.
- Intervening liver parenchyma showed clear cell changes, sinusoidal congestion, and extramedullary hematopoiesis.
Implications:
- This case underscores the importance of considering rare liver tumors in pediatric abdominal masses.
- Accurate histological diagnosis is essential for appropriate management of hepatic mesenchymal hamartoma.
- Documentation of such rare pediatric tumors contributes to a better understanding of their morphology and behavior.
