The phrase "a frequent aberration" is correct and usable in written English.
It can be used to describe something that occurs often and deviates from the norm or expected behavior.
Example: "The sudden changes in temperature during the summer months have become a frequent aberration in our climate patterns."
Alternatives: "a common deviation" or "a regular anomaly".
The translocation t(11 18)(q21;q21) is a frequent genomic aberration associated with B-cell MALT lymphoma.
In pediatric low-grade astrocytoma, the BRAF V600E-mutation was identified as a frequent genomic aberration activating the MAPK pathway.
Vulval neoplasia samples did not exhibit gain at 5p, a frequent recurrent aberration in a series of cervical tumours analysed elsewhere using an identical protocol.
The most frequent aberration was found to be a gain on 3q, observed in 21 out of the 23 patients (91%), more precisely the loci 3q25 q27 in 20 of the 23 of the PT (87%), and 21 of the 23 LNM (91%).
The most frequent aberration in CEL is the FIP1L1 PDGFRA fusion which results from a cryptic interstitial deletion on chromosome 4q12.
The most frequent aberration was aneusomy for chromosome 7 in 31 (66%) of A II. Aneusomy for chromosome 1 was detected in 24 (51%) and aneusomy for chromosome 10 in 25 (53%) of the samples.
Trisomy 8 is the most frequent aberration in the CMPD being detected in ∼20% of all cytogenetic aberrant PV cases and in ∼10% in chromosomally aberrant CIMF mostly as sole abnormality or in combination with +9.
In Chinese never smokers the most frequent aberration was gain of 16p [16p.
In this way, the algorithm addresses both the clustering problem and the frequent aberration problem at the same time.
Duplication of the BRAF locus has been reported as the most frequent aberration in pediatric LGAs (66% [18]), whereas activating point mutations in BRAF occur less commonly (4 6%) [22], [23].
