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Translocation (1;5) in a Glomus Tumor.
Jun Nishio1, Kazuki Nabeshima2, Shun Mori3
1Department of Orthopaedic Surgery, Faculty of Medicine, Fukuoka University, Fukuoka, Japan jnishio@cis.fukuoka-u.ac.jp.
Anticancer Research
|October 28, 2015
Summary
This study reports a rare glomus tumor case in a 45-year-old man, detailing its unique chromosomal rearrangement. The findings contribute to understanding glomus tumor genetics and potential diagnostic markers.
Area of Science:
- Oncology
- Genetics
- Pathology
Background:
- Glomus tumors are rare perivascular neoplasms typically found in young adults' extremities.
- Previous research linked glomus tumors to microRNA 143-NOTCH fusions or NOTCH1-3 rearrangements.
- Understanding the genetic basis of glomus tumors is crucial for diagnosis and treatment.
Observation:
- A 45-year-old man presented with a 1.3-cm tender nodule on his left wrist.
- Imaging revealed a well-circumscribed subcutaneous mass with characteristic signal intensities on MRI.
- Histopathology confirmed the diagnosis of a glomus tumor.
Findings:
- Cytogenetic and spectral karyotyping identified a novel translocation, t(1;5)(p13;q32), in the glomus tumor.
- This represents the first documented instance of a sporadic glomus tumor with this specific chromosomal rearrangement.
- No local recurrence was observed four months post-surgery, suggesting successful management.
Implications:
- The discovery of t(1;5) in glomus tumors expands the known cytogenetic landscape of these neoplasms.
- This finding may offer new insights into the molecular pathogenesis of glomus tumors.
- Further research into this specific translocation could potentially lead to novel diagnostic or therapeutic strategies.
