Related Experiment Video
Updated: Jul 24, 2026

11:20
Simple and Rapid Method to Obtain High-quality Tumor DNA from Clinical-pathological Specimens Using Touch Imprint Cytology
Published on: March 21, 2018
Government-mandated cytology proficiency testing: practical, equitable, and defensible standards
1Division of Laboratory Licensure, Certification and Training, Maryland State Department of Health and Mental Hygiene, Baltimore 21201.
Summary
Maryland's cytology proficiency testing (PT) program uses criterion-referenced slides and regulatory oversight. The state program is deemed effective, efficient, and legally sound, meeting federal goals.
Area of Science:
- Medical laboratory science
- Cytopathology quality assurance
Background:
- Proficiency testing (PT) is crucial for maintaining laboratory quality.
- The Clinical Laboratories Improvement Amendments of 1988 (CLIA) mandated specific PT standards.
- Evaluating state-specific PT programs is essential for regulatory compliance and effectiveness.
Purpose of the Study:
- To review the technical and administrative aspects of Maryland's state-mandated PT program in cytology.
- To compare Maryland's PT standards and methods against federal Health Care Financing Administration (HCFA) mandates.
- To assess the effectiveness, efficiency, and legal defensibility of Maryland's PT program.
Main Methods:
- Implementation of criterion-referenced Papanicolaou smear slides from actual patients.
- Conducting and monitoring PT within the laboratory setting by a regulatory agency.
- Joint testing of cytotechnologists and pathologists with separate grading systems.
- Utilizing PT results to mandate retraining for practitioners.
Main Results:
- Maryland's PT program successfully implemented eight technical criteria.
- The program utilizes a rigorous, criterion-referenced approach with defined diagnostic categories.
- PT results are used to ensure practitioner competency through retraining.
Conclusions:
- Maryland's PT program is considered effective, efficient, and legally defensible.
- The program aligns with the intended purpose and goals of CLIA '88.
- The state's approach offers a model for robust cytology PT.
Related Concept Videos
Karyotyping
Describing the number and physical features of chromosomes can reveal abnormalities that underlie genetic diseases. This description is facilitated by special staining techniques that produce a particular banding pattern on each chromosome. State-of-the-art techniques make this approach even more powerful, enabling the detection of individual genes that cause disease.A Simple Chromosome Staining Technique Provides Valuable Scientific InsightSome genetic diseases can be detected by looking at...
Flow Cytometry
The development of flow cytometry techniques began in 1934 with initial attempts by Andrew Moldavan, a bacteriologist who counted the cells in a flowing capillary system. Moldavan pumped cells through a capillary tube focused under a microscope for visualization. The invention of photometry allowed the measurement of differentially-stained cells, and Louis Kamentsky developed the first multiparameter flow cytometer in 1965 to identify and count the cancer cells in cervical tissue specimens.
In...
In...
Quality Control
Quality control is one of the three cyclical quality assurance activities that help keep a system under statistical control. Typical quality control activities include creating quality control charts, conducting proficiency testing, and documenting and archiving results.
Quality control helps track data, visualize trends, and identify variations, making it easier to detect deviations that may affect the accuracy of an analysis. One way to do this is by generating a quality control chart, which...
Quality control helps track data, visualize trends, and identify variations, making it easier to detect deviations that may affect the accuracy of an analysis. One way to do this is by generating a quality control chart, which...
Sputum Studies I: Gram Stain, cytology, and Acid-fast smear and culture
Sputum studies are a critical part of diagnosing and treating numerous respiratory conditions. These studies involve obtaining sputum samples for analysis to identify pathogenic organisms and assess the presence of abnormal cells indicative of malignant conditions. This lesson will delve into three fundamental sputum studies: Gram Stain, Cytology, and Acid-fast Smear and Culture.
Gram Stain
The Gram Stain is an integral part of sputum studies. It involves the staining of sputum, which permits...
Gram Stain
The Gram Stain is an integral part of sputum studies. It involves the staining of sputum, which permits...

