New Cases of Complex Small Supernumerary Marker Chromosomes
Author Information
Author(s): Trifonov Vladimir, Fluri Simon, Binkert Franz, Nandini Adayapalam, Anderson Jasen, Rodriguez Laura, Gross Madeleine, Kosyakova Nadezda, Mkrtchyan Hasmik, Ewers Elisabeth, Reich Daniela, Weise Anja, Liehr Thomas
Hypothesis
Are complex small supernumerary marker chromosomes (sSMC) underestimated in clinical diagnostics?
Conclusion
Unique complex sSMC may be more common than previously thought, suggesting a need for improved diagnostic techniques.
Supporting Evidence
- The study reports three new cases of unique complex sSMC.
- Now 22 cases of unique complex sSMC are documented in the literature.
- Improved diagnostic techniques could enhance detection rates of unique complex sSMC.
Takeaway
The study found three new cases of unusual chromosomes that are hard to identify, which might be more common than we think.
Methodology
Cytogenetic and molecular cytogenetic techniques including FISH and microdissection were used to analyze the chromosomes.
Limitations
The study may not capture all cases of complex sSMC due to limitations in current diagnostic techniques.
Participant Demographics
Three patients with complex sSMC, including a 13-month-old boy, a newborn male, and a 14-month-old female.
Digital Object Identifier (DOI)
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