Cytotechnologists are lab professionals who examines the cells of the body to find whether they are affected by any disease. While a pathologist is a medical professional (such as a scientist , medical student, doctors) who studies the report/information provided by cytotechnologists for research work or diagnose the body tissues to identify prevailing abnormalities in it.
These are the people who examine cells and tissues under a microscope to identify a disease.
It seems that you have missed the necessary options for us to choose from, anyway, I had to look for it and here is the answer. The one who uses the information provided by cytotechnologists are the pathologists. Hope this answers your question.