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Related Experiment Videos

Decrease in numbers of glandular cell groups in post-LLETZ liquid-based cytology preparations.

A Maguire1, L Turner, D Magee

  • 1Department of Cytopathology, St Luke's Hospital, Rathgar, Dublin, Ireland. aoife20045@hotmail.com

Cytopathology : Official Journal of the British Society for Clinical Cytology
|October 20, 2007
PubMed
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Large loop excision of the transformation zone (LLETZ) significantly reduces endocervical glandular cells in cervical cytology. This finding impacts the assessment of follow-up adequacy after LLETZ procedures for cervical neoplasia.

Area of Science:

  • Gynecologic Pathology
  • Cervical Cytopathology

Background:

  • Large loop excision of the transformation zone (LLETZ) is a standard treatment for cervical squamous and glandular intraepithelial neoplasia.
  • Long-term effects of LLETZ on cervical cytology are not fully understood.
  • Assessing the transformation zone post-LLETZ is crucial for patient management.

Purpose of the Study:

  • To quantify and compare endocervical glandular cell groups in pre- and post-LLETZ cervical cytology specimens.
  • To establish a cyto-morphological correlate for the destruction of the transformation zone.
  • To evaluate the impact of LLETZ on cervical cytology findings.

Main Methods:

  • Retrospective review of 120 liquid-based cytology slide pairs (60 pre-LLETZ, 60 post-LLETZ).
  • Patients had a diagnosis of high-grade dyskaryosis and underwent LLETZ.

Related Experiment Videos

  • Blinded counting of endocervical glandular cell groups (>3 cells) by a cytopathologist.
  • Statistical comparison using the Mann-Whitney U-test.

    • Main Results:

    • The median number of endocervical glandular cell groups decreased significantly from 5.5 in pre-LLETZ to 2.0 in post-LLETZ preparations (P = 0.03).
    • A significant reduction in glandular cell groups was observed after LLETZ.
    • These findings indicate a morphological change in cervical cytology post-procedure.

    Conclusions:

    • LLETZ procedure leads to a significant decrease in endocervical glandular cell groups in cervical cytology.
    • Cytological follow-up may be less reliable for detecting glandular neoplasia after LLETZ.
    • The reduced presence of glandular cells post-LLETZ has implications for assessing specimen adequacy and treatment effectiveness.