Related Experiment Video
Updated: May 28, 2026
06:57
Chromogenic In Situ Hybridization as a Tool for HPV-Related Head and Neck Cancer Diagnosis
Published on: June 14, 2019
Detection of HPV DNA in Cervical Intraepithelial Neoplasia Using In Situ Hybridization.
Marcin Przybylski1, Sonja Millert-Kalińska1, Dominik Pruski1
1Department of Obstetrics and Gynecology, District Public Hospital, 60-479 Poznań, Poland.
Journal of Clinical Medicine
|May 27, 2026
Summary
In situ hybridization (ISH) effectively detects human papillomavirus (HPV) DNA in cervical tissue, offering valuable morphological context for diagnosing cervical intraepithelial neoplasia (CIN). While not as sensitive as PCR, ISH is a reproducible tool for analyzing archived specimens.
Area of Science:
- Gynecologic Pathology
- Molecular Diagnostics
- Oncology
Background:
- Human papillomavirus (HPV) infections are a significant global health concern, with cervical intraepithelial neoplasia (CIN) being a critical precursor to cervical cancer.
- Accurate identification of high-risk HPV genotypes is crucial for timely diagnosis and effective management of cervical abnormalities.
- Formalin-fixed, paraffin-embedded (FFPE) tissues are commonly used for retrospective analysis, necessitating reliable detection methods for HPV DNA.
Purpose of the Study:
- To assess the utility of in situ hybridization (ISH) for detecting HPV DNA within FFPE cervical tissue specimens.
- To compare the performance of automated ISH signal detection against manual histopathological evaluation.
- To correlate ISH findings with molecular HPV testing results and definitive histopathological diagnoses.
Main Methods:
- A prospective study involving 83 women with abnormal cytology or diagnosed CIN, undergoing loop electrosurgical excision procedures (LEEP).
- Cervical tissue specimens were analyzed using two ISH probes: ISH II for low-risk HPV types 6/11 and ISH III for high-risk HPV genotypes.
- Staining patterns and distribution were evaluated and statistically correlated with molecular HPV testing and histopathological outcomes.
Main Results:
- ISH II staining distribution correlated significantly with the presence of HPV types 6 or 11 (p < 0.001).
- ISH III stain structure showed a significant association with high-risk HPV genotypes (p = 0.020).
- ISH III demonstrated higher sensitivity (86.36%) for detecting high-risk HPV compared to ISH II for low-risk HPV (62.5%), though specificity varied (23.53% for ISH III, 64.0% for ISH II).
Conclusions:
- In situ hybridization (ISH) is a reproducible technique for detecting HPV DNA in archived cervical tissues, even years post-collection.
- While PCR offers higher sensitivity, ISH provides essential morphological context, making it a valuable complementary diagnostic tool.
- ISH is particularly useful for analyzing archival FFPE specimens when molecular testing might be limited or unavailable.
Related Concept Videos
02:31In-situ Hybridization
In situ hybridization (ISH) is a technique used to detect and localize specific DNA or RNA molecules in cells, tissue, or tissue sections using a labeled probe. The technique was first used in 1969 for the investigation of nucleic acids. It is currently an essential tool in scientific research and clinical settings, especially for diagnostic purposes.
Types of probes and labels
A probe is a complementary strand of DNA or RNA that binds to corresponding nucleotide sequences in a cell. Many...
Types of probes and labels
A probe is a complementary strand of DNA or RNA that binds to corresponding nucleotide sequences in a cell. Many...
02:07FISH - Fluorescent In-situ Hybridization
Fluorescence in situ hybridization, or FISH, was developed in the early 1980s and has quickly become one of the most widely used techniques in cytogenetics. Labeled probes are used to bind complementary DNA or RNA sequences on a chromosome or in a region within a cell. Earlier, the probes could only be obtained by cloning or reverse transcription of a DNA template. Currently, the probe oligonucleotides can be synthesized synthetically. Additionally, with the advancement of optical techniques,...