Words similar to sporadic

Example sentences for: sporadic

How can you use “sporadic” in a sentence? Here are some example sentences to help you improve your vocabulary:

Hypermethylation has been observed in some sporadic breast tumors in the promoter region of BRCA1 , which may account for decreased BRCA1 transcription [ 55].
If real, this sporadic sex difference was not dependent on age, sometimes occurring in a group of B6 mice at a particular age and sometimes not occurring in a separate group of the same age.
Although there is debate regarding the level of cancer risk associated with mutations in BRCA1 and the significance of the lack of mutations in sporadic tumors, it is possible that alterations in the function of BRCA1 may occur by mechanisms other than mutation, leading to an underestimation of risk when it is calculated solely on the basis of mutational analysis.
The LAT raises another interesting point: Did senior DOJ and FBI officials in the Washington command center listening to "sporadic" radio communications from Waco hear the conversation on the videotape?
Although mutations in this gene are uncommon in sporadic breast and ovarian tumors, BRCA1 expression levels and protein levels have been found to be reduced in sporadic human breast carcinomas [ 16, 17, 18, 19].