"except for two cases" is correct and usable in written English.
You can use it when you want to indicate that something usually happens, but there are a few exceptions. For example, "The weather has been sunny all week, except for two cases of light rain."
It is shown that in general predictions are reasonable down to nanometer level contacts except for two cases where an indentation size effect may dominate.
The same holds true for most MS after the reform, except for two cases.
There were no reported complications with the device in this study, except for two cases.
Except for two cases of rash in the telavancin group, these AEs were similar in type and severity in the two groups.
Full-thickness bladder resection was carried out except for two cases where the nodule was mobilized and excised without opening the mucosal layer of the bladder wall.
The evidence in Table 1, Panel A, strongly rejects the null hypothesis that the variance of a particular day is equal to the variance of all weekdays, except for two cases: deciles 1 and 10 on Tuesday (for which the p-values are 7.2%and10.4%4%, respectively).
18 However, except for two case reports, 16 17 no detailed longitudinal analysis of specific alterations within the different neurosensory layers has been provided as yet.
However, we have not found any study that has specifically evaluated fentanyl-induced cough in pediatric patients except for two case reports [ 3, 6].
All cases were considered to be sporadic except for two case-patients in 1997 who were contacts of a primary case-patient in a juvenile detention center resident and one culture-negative case-patient in 2000 who was linked to a subsequent confirmed case-patient by household contact.
She said all the complaints had been resolved except for six cases where the consumers had disappeared.
Among the 112 patients with adequate sample, histologic results were normal, except for three cases of endometrial hyperplasia.
