Skip to main content
Research Microscopy Solutions
back
JOIN THE CYTOLOGY CHALLENGE

How sharp is your cytology eye?

Put your cytology knowledge to the test and explore the science behind modern cervical cancer screening, from liquid-based cytology to AI-supported workflows.
Gain deeper insights into AI-assisted cytology
Page Content

The cytology challenge

Small details. Big impact.

Cervical cancer screening plays a vital role in detecting precancerous and malignant changes early, when treatment can be most effective. In cervical cytology, cytotechnologists and cytopathologists search for rare abnormal cells among thousands of benign cells - a task that requires concentration, experience, and detailed morphological assessment.

Our Cytology Challenge highlights three typical questions in cervical cytopathology:

  • Can you identify clinically relevant cells?
  • Can you distinguish a diagnostic finding from a preparation issue?
  • Can you recognize the nuclear features that make a cell suspicious?

Review the quiz answers below and learn why sample preparation, staining quality, morphology, and digital screening support all contribute to reliable cervical cancer screening.

Quiz 1 - What would be your diagnosis?

  • Patient information

    • Woman, 25 years old
    • Pain after sexual intercourse.
    • HPV test is pending

  • Evaluation

    Intermediate and superficial squamous cells with enlarged up to giant nuclei with irregular membranes and granular chromatin pattern. Some koilocytosis, as well bi- and multinucleation.

Quiz 2 - How would you classify this sample?

  • Patient information

    • Woman, 32 years old
    • Follow up after LSIL diagnosis 6 months ago

  • Evaluation

    Abnormal cells with irregularity of nuclear size, and in small groups with clearly irregular membrane. Coarse chromatin pattern and hyperchromasia. Atypical parakeratosis. Co-presence of LSIL cells.

Quiz 3 - Can you spot the suspicious cell?

  • Hints

    • Middle aged woman

  • Evaluation

    • Koilocytosis
    • Enlarged nucleus
    • Irregular membrane
    • Intermediate squamous cells with enlarged nuclei
    • HSIL cells

Quiz 4 - Which cells are in focus?

  • Description

    • You see different focus planes of the same sample.
    • Different areas in focus, others appear blurry.

  • Evaluation

    Cytology Samples are challenging

    • All cellular features are relevant and need to be in focus
    • Cells are overlapping and features might be in different focal planes

     

From sample to screening: Why LBC is important

Human expertise supported by digital screening
ZEISS Labscope in the routine laboratory

Liquid-based cytology (LBC) has become an important foundation for modern cervical cancer screening. Instead of directly smearing cells onto a glass slide, the cervical sample is transferred into a preservative medium. The sample is then processed to create a thin, representative cellular layer for microscopic or digital review.


Compared with conventional Pap smear preparation, LBC can improve specimen adequacy, preserve cellular morphology, reduce obscuring material such as blood or mucus, and support more standardized slide preparation. It also enables additional testing from the same patient sample, including high-risk HPV testing, HPV genotyping, reflex testing, and future biomarker assays.


This matters for AI-assisted cytology because standardized preparation helps reduce variability in sample appearance, creating a stronger foundation for digital image analysis and AI-supported workflows.

How AI can support screening

Cervical cytology remains an expert-led discipline. Digital and AI-assisted workflows are most valuable when they support, rather than replace, human expertise.
  • Icon describing target validation

    Detection and identification of suspicious cellular patterns

  • Icon describing mechanism of action studies

    Intelligent prioritization of cells and regions of interest

  • Icon describing predictive biomarkers for patient stratification

    Reliable screening and reduction of overlooked abnormalities

Expert review remains essential

The pathologist remains the final diagnostic authority for abnormal cases. This collaborative model brings together digital image analysis and expert human judgment - supporting a more focused, consistent, and confident screening workflow.
  • Icon describing target validation

    Evaluation of AI-prioritized findings

  • Icon describing mechanism of action studies

    Clinical interpretation of results

  • Icon describing predictive biomarkers for patient stratification

    Final screening decision-making

Learn now more about AI-assisted screening

Gain deeper insights into sample preparation for cervical cancer screening.
Cover page preview of the white paper 'Comparing Segmentation Methods for Particle Analysis of Lithium Ion Battery Materials using ZEN core'

Optimize cervical cancer screening with standardized LBC workflows

  • Discover how liquid-based cytology (LBC) improves specimen quality, reduces variability, and enhances lesion detection compared with conventional Pap smears.
  • Learn why LBC enables both cytology assessment and HPV testing from a single sample, supporting modern screening strategies while reducing patient burden.
  • Explore the role of standardized preparation, digital pathology, and AI-assisted analysis in building the next generation of cervical cancer screening workflows.

Form is loading...

If you want to have more information on data processing at ZEISS please refer to our data privacy notice.

Compliance / Disclaimer Copy

For professional and educational purposes only. The quiz content is intended to raise awareness and does not replace professional diagnostic evaluation. Final diagnostic decisions must be made by qualified healthcare professionals according to applicable clinical guidelines and validated laboratory workflows.