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:

No mutations in the BRCA1 gene have been detected in sporadic breast cancer cases; however, mutations have been detected in sporadic cases of ovarian cancer [ 3, 4].
Hyperparathyroidism may be either sporadic or familial arising from either adenoma or parathyroid hyperplasia.
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].
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 RAD52 superfamily shows a sporadic phyletic distribution, and even in the crown-group eukaryotes, might have been secondarily lost in certain lineages, such as plants, nematodes and insects.