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Classic adamantinoma in a 3-year-old
D Kumar1, M E Mulligan, A M Levine
1Department of Pathology, University of Maryland School of Medicine, Baltimore 21201, USA.
Skeletal Radiology
|September 8, 1998
Summary
A rare classic adamantinoma, typically seen in adults, was found in a 3-year-old child. This pediatric case presented unique therapeutic and prognostic challenges due to its aggressive histologic features.
Area of Science:
- Orthopedic Oncology
- Pediatric Pathology
- Skeletal Neoplasms
Background:
- Classic adamantinoma is a rare, low-grade malignant neoplasm of long bones, predominantly affecting adults (20-50 years), often in the tibia.
- Pediatric adamantinomas typically exhibit a 'differentiated' pattern, resembling osteofibrous dysplasia and generally follow a benign course.
Observation:
- This report details a unique case of adamantinoma in a 3-year-old patient with a lesion in the proximal tibia.
- Histologic examination revealed abundant epithelial components and keratin pearl formation, characteristic of classic adamantinoma found in adults.
Findings:
- The presence of classic adamantinoma features in a young child is highly unusual.
- This finding challenges the typical understanding of adamantinoma behavior based on age.
Implications:
- The diagnosis of classic adamantinoma in a 3-year-old necessitates careful consideration of therapeutic strategies and prognostic outlook.
- This case highlights the importance of detailed histologic evaluation for accurate diagnosis and management of pediatric bone tumors.