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Updated: Jul 18, 2026

FISH for Pre-implantation Genetic Diagnosis
Published on: February 23, 2011
A complex translocation (6;12;8)(q25;q24.3;q13) in a fibrous hamartoma of infancy
Anne-Laure Rougemont1, Raouf Fetni, Sabita Murthy
1Department of Pathology, CHU Sainte-Justine, 3175, Côte-Sainte-Catherine, Montréal, Quebec, Canada.
Insights
This case study details a rare fibrous hamartoma of infancy in a child, successfully treated with surgery. The study also identified a unique chromosomal translocation, t(6;12;8)(q25;q24.3;q13), offering new insights into this condition.
Area of Science:
- Pediatric Oncology
- Human Genetics
- Surgical Pathology
Background:
- Fibrous hamartoma of infancy is a rare, benign soft tissue tumor typically presenting in early childhood.
- Accurate diagnosis and understanding of its genetic underpinnings are crucial for patient management and prognosis.
Observation:
- An 18-month-old girl presented with a left cervical mass, which was surgically excised 16 months later.
- Histopathological examination confirmed the diagnosis of fibrous hamartoma of infancy.
- The patient experienced an uneventful recovery with no signs of recurrence.
Findings:
- Cytogenetic analysis revealed a novel complex translocation, t(6;12;8)(q25;q24.3;q13), involving chromosomes 6, 8, and 12.
- This finding represents the second reported cytogenetic analysis for fibrous hamartoma of infancy and differs from the previously identified reciprocal translocation t(2;3)(q31;q21).
Implications:
- This case expands the understanding of the genetic landscape of fibrous hamartoma of infancy.
- The identification of a new chromosomal abnormality may aid in future diagnostic approaches and research into the pathogenesis of this rare tumor.
Abstract:
We report the case of an 18-month-old girl who came to medical attention with a left cervical mass. Surgical excision was performed 16 months later. Histology revealed a fibrous hamartoma of infancy. Follow-up has been uneventful, and no recurrence of the mass has been observed. Cytogenetic analysis showed a complex translocation involving chromosomes 6, 8, and 12, namely, t(6;12;8)(q25;q24.3;q13). This case represents the second cytogenetic analysis reported to date in fibrous hamartoma of infancy and reveals a different translocation than the reciprocal translocation t(2;3)(q31;q21) previously reported.
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