Dear Dr. Bedrossian: Dr. Marshall Austin insists that proficiency testing in cytology is
worthless as a quality assurance method. 1+ 2 He believes that his point can be proved by …

The passing of the January 1, 1994, Clinical Laboratory Improvement Amendments of 1988
(CLIA'88) deadline for laboratories to register with a cytology proficiency testing (PT) …

Thirty‐three years ago Penner advocated six criteria for the performance of proficiency
testing in cytopathology (PTC). Since that time, several further requirements have been …

The concerns expressed by the Cytopathology Education and Technology Consortium
(CETC) about the scientific issues related to the cytology proficiency testing (CPT) …

In this issue, Nagy and Naryshkin1 present an analysis of the sta-tistical pitfalls of the
cytology proficiency testing (PT) program mandated by the Clinical Laboratory Improvement …

Data from the National Cytology Proficiency Testing Update show that as of January 31,
2006, 9% of 12,786 examinees failed the test on the first attempt. For the second attempt, the …

With the recent introduction of nationwide proficiency testing in cytopathology (PTC),
reconsideration of several aspects of this controversial quality assurance method becomes …

According to the Clinical Laboratory Improvement Amendments of 1988 (CLIA'88), all
individuals who interpret gynecologic cytology specimens are required to enroll in an …

Cervical cancer is a leading cause of cancer death in women and may be significantly
reduced by the introduction of effective screening and treatment programs. Although …

In 1986, the College of American Pathologists introduced a proficiency testing program in
cytogenetics entitled" survey CY." Approximately 140 laboratories actively participated. The …