The phrase "abnormality may have" is correct and usable in written English.
It can be used when discussing potential causes or implications of an abnormality in a specific context, such as medical or scientific discussions.
Example: "The abnormality may have resulted from genetic factors that were not previously considered."
Alternatives: "abnormality might have" or "abnormality could have".
People with the abnormality may have no signs that anything is wrong, but brain scans show what looks like a change in neural connections.
However, mechanical factors cannot be entirely ruled out in this patient; we suspect that some kind of peristaltic abnormality may have occurred.
The report said the heart abnormality may have been a contributing factor in his death.
A given abnormality may have a totally different meaning based on the disease stage.
In the present study, the aforementioned abnormality may have occurred due to the presence of a higher proportion of C. owensensis compared to C. saccharolyticus in the planktonic phase at high d (>0.2 h−1) in the CSTR.
Finally, these auditory processing abnormalities may have significance for the odd speech heard in some SPD subjects and downstream language and verbal learning deficits.
Although genetic abnormalities may have moderate effects, the physiologic pathways involving these genes have redundant compensating mechanisms to bring the system back into equilibrium.
An awareness of these processing abnormalities may have implications for future therapeutic strategies and our understanding of the pathophysiology of the disorder.
SUNCT associated with pituitary or brainstem abnormalities may have a slightly earlier age at onset with a mean around age 43 in one review [14].
Alternatively, the ECG abnormalities may have been caused by brainstem infection, because serum creatine kinase activity was not elevated to pathological levels in infected hamsters (data not shown).
In fact women with severe abnormalities may have a worse outcome than men with severe abnormalities.
