1
|
Sharifi N, Bouzari M, Keyvani H, Mehdi Ranjbar M. The effects of the LaSota strain of oncolytic Newcastle disease virus vaccine on cervical intraepithelial neoplasia Patients-Clinical cohort study. Int Immunopharmacol 2024; 126:111296. [PMID: 38041958 DOI: 10.1016/j.intimp.2023.111296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/07/2023] [Accepted: 11/23/2023] [Indexed: 12/04/2023]
Abstract
BACKGROUND Cervical cancer is one of the most common malignancies in women, and its treatment has many side effects. Therefore, in this research, the effects of the LaSota strain of oncolytic Newcastle disease virus vaccine on cervical intraepithelial neoplasia (CIN) patients were investigated. METHODS 15 patients who met the inclusion criteria and diagnosed as CIN II and CIN III were included in the study. The vaccine was injected inside the cervix (neoplasia site) at increasing doses during 21 days, and they were evaluated for adverse events. NDV antibody titer was measured in 90 days and the levels of ki-67 and p16 proteins were studied by immunohistochemistry. Also, the levels of some important inflammatory cytokines in the serum of CIN patients were measured and finally the patients were evaluated according to the final outcomes and the reduction of tumor lesions. RESULTS Only in the first dose of vaccine some patients showed flu-like symptoms. The accumulation of NDV antibodies started on the 7th day of the study and increased until the 90th day. Administration of LaSota vaccine had no significant effect on the expressions of Ki-67 and p16 proteins. Nevertheless, a decrease in the serum levels of Il-1β was observed in patients after the administration of the vaccine, but the serum levels of both Il-2 and INF-γ upregulated significantly. Also, vaccine administration had no significant effect in reducing CIN grades and lesions. CONCLUSIONS In general, we concluded that LaSota strain of NDV vaccine has no therapeutic effectiveness in CIN patients.
Collapse
Affiliation(s)
- Neda Sharifi
- Department of Cell and Molecular Biology & Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran.
| | - Majid Bouzari
- Department of Cell and Molecular Biology & Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran.
| | - Hossein Keyvani
- Department of Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Mohammad Mehdi Ranjbar
- Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran.
| |
Collapse
|
2
|
Voidăzan TS, Budianu MA, Cotoi OS, Turdean SG. The importance of combined HPV and CINtec® PLUS genotyping testing for p16 in women with cervical squamous cell carcinoma. ROMANIAN JOURNAL OF MORPHOLOGY AND EMBRYOLOGY = REVUE ROUMAINE DE MORPHOLOGIE ET EMBRYOLOGIE 2024; 65:99-105. [PMID: 38527989 PMCID: PMC11146556 DOI: 10.47162/rjme.65.1.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 02/19/2024] [Indexed: 03/27/2024]
Abstract
INTRODUCTION Immunohistochemistry (IHC) for p16INK4A (p16) is a reliable surrogate test for the presence of a high-risk, potentially transformative human papillomavirus (HPV) infection in precursor and malignant lesions of the cervix. The purpose of this study was to evaluate changes in cervical cells caused by persistent HPV infection, by IHC (p16 protein) by comparison with HPV genotyping. PATIENTS, MATERIALS AND METHODS The study included female patients aged between 26 and 57 years who presented to a public hospital, with complaints related to the genital area, namely vaginal bleeding and dyspareunia. After selecting the patients, samples were subjected to cytological testing and IHC for p16 and for the determination of HPV types. RESULTS The relationship between HPV status and p16 status was statistically significant (p=0.0001), of the 41 patients, 53.7% were HPV positive, respectively 56.1% were p16 positive, the agreement relationship between the two indicators was very high (weighted kappa: 0.951). The clinical performance of CINtec® PLUS triage for p16 shows a high positive predictive value (PPV) and a high negative predictive value (NPV) of 95.7% and 100%, respectively, as regards HPV. CONCLUSIONS The p16 marker (CINtec® PLUS) can be used as a prognostic biomarker and provides clinical usefulness through increased sensitivity (Se) and specificity (Sp) in the triage of women at risk of developing precancerous lesions, compared to cytology that is based on morphology, but has a rather low Se and high Sp, while HPV testing is very sensitive but slightly more specific.
Collapse
Affiliation(s)
- Toader Septimiu Voidăzan
- Department of Epidemiology, Faculty of Medicine, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Târgu Mureş, Romania;
| | | | | | | |
Collapse
|
3
|
Rayner M, Welp A, Stoler MH, Cantrell LA. Cervical Cancer Screening Recommendations: Now and for the Future. Healthcare (Basel) 2023; 11:2273. [PMID: 37628471 PMCID: PMC10454304 DOI: 10.3390/healthcare11162273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/08/2023] [Accepted: 08/01/2023] [Indexed: 08/27/2023] Open
Abstract
Cervical cancer is the fourth most common cancer worldwide, with over 600,000 new cases annually and approximately 350,000 cancer-related deaths per year. The disease burden is disproportionately distributed, with cancer-related mortality ranging from 5.2 deaths per 100,000 individuals in highly-developed countries, to 12.4 deaths per 100,000 in less-developed countries. This article is a review of the current screening recommendations and potential future recommendations.
Collapse
Affiliation(s)
| | | | | | - Leigh A. Cantrell
- Department of Obstetrics and Gynecology, University of Virginia, Charlottesville, VA 22908, USA
| |
Collapse
|
4
|
Hosseini MS, Talayeh M, Afshar Moghaddam N, Arab M, Farzaneh F, Ashrafganjoei T. Comparison of Ki67 index and P16 expression in different grades of cervical squamous intraepithelial lesions. CASPIAN JOURNAL OF INTERNAL MEDICINE 2023; 14:69-75. [PMID: 36741489 PMCID: PMC9878899 DOI: 10.22088/cjim.14.1.69] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 02/10/2022] [Accepted: 02/19/2022] [Indexed: 02/07/2023]
Abstract
Background the assessment of P16 expression and Ki-67 proliferative index is now proposed as an adjunct test for the diagnosis of high-risk precursor lesions for cervical cancer. The aim of the present study was to elucidate the quality expression of P16 and quantification Ki-67 index in different types of cervical intraepithelial neoplasia and also to determine the cutoff for Ki67 index to predict the severity of CIN lesions. Methods This cross-sectional study was conducted on patients with colposcopic indication. Selected samples with different CIN grades were examined for P16 and Ki-67 index by immunohistochemical (IHC) methods. Results All LSIL (CIN I) cases were negative for P16, while in 58.7% of HSIL cases (CIN 2/3), P16 was positive. The mean Ki67 index in the present study was 3.13 ± 2.65 in the upper two/third of the squamous epithelium in the LSIL group and 19.04 ±36.40 in the HSIL group, which was statistically significant. Also, the mean Ki67 index in full thickness squamous epithelium in HSIL group was significantly higher than LSIL. The sensitivity of P16 and Ki67 index in our study was 58.73%, 66.67% and the specificity was 100% and 100%, respectively. Conclusion Assessment of P16 expression and Ki67 index can be used to distinguish low grade (CIN1) intraepithelial lesion from high grade (CIN2/3) intraepithelial or precancerous lesions.
Collapse
Affiliation(s)
- Maryam Sadat Hosseini
- Preventative Gynecology Research Center, Department of Obstetrics and Gynecology, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Talayeh
- Department of Gynaeco-oncology, Imam Hossein Medical Center, Shahid Beheshti University of Medical, Tehran, Iran,Correspondence: Maryam Talayeh, Department of Gynaeco-oncology, Imam Hossein Medical Center, Shahid Beheshti University of Medical, Tehran, Iran. E-mail: , Tel: +98 2177553112
| | - Noushin Afshar Moghaddam
- Department of Pathology, Imam Hossein Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maliheh Arab
- Department of Gynaeco-oncology, Imam Hossein Medical Center, Shahid Beheshti University of Medical, Tehran, Iran
| | - Farah Farzaneh
- Preventative Gynecology Research Center, Department of Obstetrics and Gynecology, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Tahereh Ashrafganjoei
- Preventative Gynecology Research Center, Department of Obstetrics and Gynecology, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| |
Collapse
|
5
|
Gadkari R, Ravi R, Bhatia JK. Cervical Cancers: Varieties and the Lower Anogenital Squamous Terminology. Cytojournal 2022; 19:39. [PMID: 35928526 PMCID: PMC9345096 DOI: 10.25259/cmas_03_14_2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 05/09/2022] [Indexed: 11/04/2022] Open
Abstract
Carcinoma of cervix is classified as per the WHO classification into primary tumors which are predominantly epithelial tumors, mesenchymal tumors and tumor like lesions, mixed epithelial stromal tumors, melanocytic, germ cell, and lymphoid tumors. Secondary tumors are uncommon. Squamous cell carcinoma (SCC) in various morphological forms needs to be separated from other epithelial tumors for treatment modality selection. Majority of SCC are human papilloma virus (HPV) positive. The histological pattern, HPV type, and grading do not affect prognosis. Mixed mesenchymal and epithelial tumors are of Mullerian origin. Among sarcomas, Botryoid rhabdomyosarcoma needs to be looked for, as a small biopsy may miss it. Carcinoma cervix is not the only cancer caused by HPV. High-risk HPV is implicated in causation of various other cancers such as anal cancers, oropharyngeal cancers, vulval cancers, vaginal cancers, and penile cancers. Low-risk HPV viruses similarly cause infections of perianal and genital region in males and females. The terminology for these lesions has evolved before understanding of pathogenesis of low- and high-risk HPV. The lower anogenital squamous terminology (LAST), an acronym for LAST, incorporates the low- and high-grade squamous intraepithelial lesion (HSIL) terminology. In invasive cancers, a superficially invasive SCC is a well-defined entity. LAST outlines areas where p16 use is recommended. No benefit of addition of other biomarkers like p63 or ki67 is found in problem-solving in differentiation of HSIL from mimics or low-grade squamous intraepithelial lesion. Routine use of biomarkers is not advocated.
Collapse
Affiliation(s)
- Rasika Gadkari
- Department of Pathology, All India Institute of Medical Sciences, Nagpur, Maharashtra, India,
| | - R. Ravi
- Pathology Laboratory, Nagpur, Maharashtra, India,
| | - Jasvinder Kaur Bhatia
- Department of Pathology, Command Hospital (Eastern Command), Kolkata, West Bengal, India,
| |
Collapse
|
6
|
The value of Ki67 for the diagnosis of LSIL and the problems of p16 in the diagnosis of HSIL. Sci Rep 2022; 12:7613. [PMID: 35534530 PMCID: PMC9085733 DOI: 10.1038/s41598-022-11584-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 04/25/2022] [Indexed: 01/10/2023] Open
Abstract
p16 and Ki67 are immunohistochemical markers related to cervical squamous intraepithelial lesions. p16 has been widely used to assist in the diagnosis of high-grade squamous intraepithelial lesions. However, a conclusion about the role of Ki67 in the diagnosis of squamous intraepithelial lesions has not been established. The aim of this study was to analyze the role of p16 and Ki67 immunohistochemical staining in assisting cervical squamous intraepithelial lesions. This study performed immunohistochemical staining for p16 and Ki67 on 1024 cervical biopsy specimens at our hospital to compare the differences between p16 and Ki67 in different cervical lesions using the chi-squared test and Fisher's exact test. This study also evaluated the value of Ki67 for the diagnosis of low-grade squamous intraepithelial lesions (LSILs) using the receiver operating characteristic curve. The results indicated that Ki67 had high specificity and sensitivity in distinguishing LSIL from normal cervix. p16 was diffusely and strongly positive in some LSILs, and some problems were encountered in the interpretation of p16 staining. Therefore, we believe that Ki67 can be used as an immunohistochemical marker to help in the diagnosis of LSIL, to distinguish lesions that are difficult to morphologically determine and to avoid misdiagnosis. The practical application of p16 staining is still problematic. It may be necessary to find other auxiliary means to distinguish this small proportion of cervical lesions.
Collapse
|
7
|
Preliminary Study on the Expression of Testin, p16 and Ki-67 in the Cervical Intraepithelial Neoplasia. Biomedicines 2021; 9:biomedicines9081010. [PMID: 34440214 PMCID: PMC8391355 DOI: 10.3390/biomedicines9081010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/09/2021] [Accepted: 08/10/2021] [Indexed: 11/16/2022] Open
Abstract
Cervical cancer is one of the most common malignant cancers in women worldwide. The 5-year survival rate is 65%; nevertheless, it depends on race, age, and clinical stage. In the oncogenesis of cervical cancer, persistent HPV infection plays a pivotal role. It disrupts the expression of key proteins as Ki-67, p16, involved in regulating the cell cycle. This study aimed to identify the potential role of testin in the diagnosis of cervical precancerous lesions (CIN). The study was performed on selected archival paraffin-embedded specimens of CIN1 (31), CIN2 (75), and CIN3 (123). Moderate positive correlation was observed between testin and Ki-67 as well as testin and p16 expression in all dysplastic lesions (r = 0.4209, r = 0.5681; p < 0.0001 for both). Statistical analysis showed stronger expression of the testin in dysplastic lesions vs. control group (p < 0.0001); moreover, expression was significantly higher in HSIL than LSIL group (p < 0.0024). In addition, a significantly stronger expression of testin was observed in CIN3 vs. CIN1 and CIN3 vs. CIN2. In our study, expression of Ki-67, p16, and testin increased gradually as the lesion progressed from LSIL to HSIL. The three markers complemented each other effectively, which may improve test sensitivity and specificity when used jointly.
Collapse
|
8
|
Diouf D, Diop G, Fall C, Sarr S, Diarra CAT, Ngom AI, Ka S, Lo S, Faye O, Dem A. The Association of Molecular Biomarkers in the Diagnosis of Cervical Pre-Cancer and Cancer and Risk Factors in Senegalese. Asian Pac J Cancer Prev 2020; 21:3221-3227. [PMID: 33247678 PMCID: PMC8033140 DOI: 10.31557/apjcp.2020.21.11.3221] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Indexed: 12/24/2022] Open
Abstract
Background: Cervical intraepithelial neoplasia (CIN) grading is subjective and affected by substantial rates of discordance among pathologists. Although recent studies have suggested that p16INK4a may be a useful surrogate biomarker of cervical neoplasia, Ki-67 and human papillomavirus testing have also been shown to be useful in detecting neoplasia. The purpose of this study was to determine the expression of p16INK4a and Ki-67 in cervical neoplasia and its correlations with cofactors. Methods: The study involved 69 patients with and without cervical neoplasia who underwent colposcopic directed biopsy. On each patient, two samples were taken; the first was used for immunohistochemistry and the second for molecular testing, using HPV16and18 genotyping Real-Time PCR Kit. Results: The study revealed the expression level of p16INK4a and Ki-67 in a descending order, from invasive squamous cell carcinoma (SCC), CIN2/3, CIN1 and non-dysplastic lesions. Correlations showed an association between the staining of p16NK4a and Ki-67 with the increase of age (OR: 1.79 (95%IC: 0.49 – 6.55), p = 0.037) and marital status (OR: 0.17 (95%IC: 0.04 – 0.68), p = 0.003). We found that the expressions of p16INK4a and Ki-67 were significantly different between invasive SCC vs non-dysplasia (OR: 44.57 (95%IC: 4.91 – 403.91), p<0.0001). The study showed significant correlation between HPV 16and18 infection with p16 INK4a and Ki-67 expression (OR: 0.13 (95%IC: 0.03 – 0.52), p<0.0001). Strong expression of p16INK4a and Ki-67 were observed in invasive squamous cell carcinoma, moderate staining was found in CIN2/3, weak staining in CIN1 and normal histology. Conclusion: Our findings indicate that p16INK4a and Ki-67 expressions associated strongly with cervical pathology. Therefore, p16/Ki-67 could be considered as a suitable biomarker for cervical cancer screening, particularly in HPV-based screening programs.
Collapse
Affiliation(s)
- Dominique Diouf
- Laboratory of Cytogenetic and Reproductive Biology, Hospital Aristide-Le-Dantec, Pasteur Avenue, Dakar, Senegal.,Laboratory of Anatomy and Pathology, Principal Military Hospital of Dakar, Nelson Mandela Avenue, Dakar, Senegal.,Cancer Studies and Research Group in Senegal (GERCS), FMPO, Cheikh Anta DIOP University, Cheikh Anta Diop Avenue, Dakar, Senegal
| | - Gora Diop
- Cancer Studies and Research Group in Senegal (GERCS), FMPO, Cheikh Anta DIOP University, Cheikh Anta Diop Avenue, Dakar, Senegal.,Cheikh Anta DIOP University, Department of Animal Biology, Faculty of Science and Technology, Postulant Unit of Genetic, Genomic and Bioinformatic of Infectious Diseases and Cancer, Cheikh Anta Diop Avenue, Dakar, Senegal.,Institut Pasteur Dakar, Pole d'immunophysiopathologie des maladies infectieuses (Pole IMI), Pasteur Avenue, Dakar, Senegal
| | - Cheikh Fall
- Institut Pasteur Dakar, Pole de Virologie, PO Box 220. 36, Pasteur Avenue, Dakar, Senegal
| | - Souleymane Sarr
- Laboratory of Anatomy and Pathology, Principal Military Hospital of Dakar, Nelson Mandela Avenue, Dakar, Senegal
| | - Cheikh Ahmadou Tidian Diarra
- Hopital Aristide LeDantec, Service de Cancerologie, Institut-Juliot-Curie, Pasteur Avenue, PO Box 3001, Dakar, Senegal
| | - Aminata Issa Ngom
- Laboratory of Cytogenetic and Reproductive Biology, Hospital Aristide-Le-Dantec, Pasteur Avenue, Dakar, Senegal
| | - Sidy Ka
- Cancer Studies and Research Group in Senegal (GERCS), FMPO, Cheikh Anta DIOP University, Cheikh Anta Diop Avenue, Dakar, Senegal.,Hopital Aristide LeDantec, Service de Cancerologie, Institut-Juliot-Curie, Pasteur Avenue, PO Box 3001, Dakar, Senegal
| | - Seynabou Lo
- Cancer Studies and Research Group in Senegal (GERCS), FMPO, Cheikh Anta DIOP University, Cheikh Anta Diop Avenue, Dakar, Senegal
| | - Oumar Faye
- Laboratory of Cytogenetic and Reproductive Biology, Hospital Aristide-Le-Dantec, Pasteur Avenue, Dakar, Senegal.,Cancer Studies and Research Group in Senegal (GERCS), FMPO, Cheikh Anta DIOP University, Cheikh Anta Diop Avenue, Dakar, Senegal
| | - Ahmadou Dem
- Cancer Studies and Research Group in Senegal (GERCS), FMPO, Cheikh Anta DIOP University, Cheikh Anta Diop Avenue, Dakar, Senegal.,Hopital Aristide LeDantec, Service de Cancerologie, Institut-Juliot-Curie, Pasteur Avenue, PO Box 3001, Dakar, Senegal
| |
Collapse
|
9
|
Ghosh A, M N, Padmanabha N, Kini H. Assessment of p16 and Ki67 Immunohistochemistry Expression in Squamous Intraepithelial Lesion with Cytohistomorphological Correlation. IRANIAN JOURNAL OF PATHOLOGY 2020; 15:268-273. [PMID: 32944038 PMCID: PMC7477676 DOI: 10.30699/ijp.2020.112421.2208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Accepted: 06/01/2020] [Indexed: 11/06/2022]
Abstract
Background & Objective: Cervical cancer is the most common cancer in women worldwide with high mortality, necessitating quicker diagnostic methods. We wish to enhance the existing cervical biopsies of Squamous Intraepithelial Lesions (SIL) using p16 and Ki67 as surrogate markers to assess correlation between its positivity and histological grade of the lesion. Methods: Analysis of p16 and Ki67 expression was done on 31 histopathologically diagnosed cases of SILs. Positive expression of p16 was assessed based on a scoring system and compared with histology and cytology. Ki67 expression was studied and the correlation was observed with degree of dysplasia. Twenty cases of chronic cervicitis was assigned to the control group for comparison. Results: Cases of HSIL showed greater expression of p16 as compared to LSIL. Sensitivity of p16 for HSIL was higher than that for LSIL. The specificity for HSIL and LSIL was 100%. Ki67 expression correlated well with the degree and level of dysplasia with a significant P-value of 0.002. Conclusion: p16 and Ki67 positivity of SILs should point towards further evaluation. The expressions of p16 and Ki67 are useful markers for confirmation of SILs and in predicting HPV infection which can be further confirmed by HPV DNA testing.
Collapse
Affiliation(s)
- Apurv Ghosh
- Department of Pathology, Kasturba Medical College, Mangalore, India
| | - Nirupama M
- Department of Pathology, Kasturba Medical College, Mangalore, India
| | | | - Hema Kini
- Department of Pathology, Kasturba Medical College, Mangalore, India
| |
Collapse
|
10
|
Mandal R, Ghosh I, Banerjee D, Mittal S, Muwonge R, Roy C, Panda C, Vernekar M, Frappart L, Basu P. Correlation Between p16/Ki-67 Expression and the Grade of Cervical Intraepithelial Neoplasias. Int J Gynecol Pathol 2020; 39:384-390. [PMID: 32515923 DOI: 10.1097/pgp.0000000000000617] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Interpretation of histopathology of cervical premalignant lesions suffers from marked interobserver variability due to its subjective nature. We aimed to evaluate the usefulness of the biomarkers p16 and Ki-67 in improving the diagnostic accuracy of cervical histopathology and assess the correlation between p16 expression and human papillomavirus test in different grades of cervical intraepithelial neoplasia (CIN). Cervical tissue specimens with a diagnosis of CIN 1 or worse (CIN 1+) on hematoxylin and eosin staining were selected for immunohistochemistry (IHC) staining for p16 and Ki-67. The IHC slides were examined by a gynecologic pathologist along with a review of hematoxylin and eosin slides. The review histopathology diagnosis was used to correlate with the IHC results. We observed that the proportion of women with overexpression of p16 increased with increasing histologic severity: 0% in women with normal histology; 33.3% in women with CIN 1; 58.1% in women with CIN 2; and 73.8% in women with CIN 3. Among the human papillomavirus-positive women, 76.3% (58/76) women with CIN 2/CIN 3 expressed p16, and only 8.9% (4/45) women with normal histopathology or CIN 1 expressed the same. A combination of p16 positivity and abnormal expression of Ki-67 beyond the lower third of the epithelium was observed in 0% of normal/CIN 1 and 60.5% (40/66) of CIN 3 detected on routine histopathology. We concluded that dual staining could be used as an adjunctive test to improve the diagnostic accuracy of histopathology. In addition, p16/Ki-67 IHC has a role in guiding management decisions in cases with discordant colposcopy and histopathology diagnoses.
Collapse
Affiliation(s)
- Rananjit Mandal
- Chittaranjan National Cancer Institute, Kolkata, West Bengal, India (R.M., I.G., D.B., S.M., C.R., C.P., M.V.) International Agency for Research on Cancer, Lyon, France (R.M., P.B.) CHU Dijon Bourgogne, Dijon, France (L.F.)
| | | | | | | | | | | | | | | | | | | |
Collapse
|
11
|
Screening for cervical abnormalities associated with EBV, HPV and HSV-2 infections in South-West Nigeria: A tale between sex and non-sex workers. JOURNAL OF ONCOLOGICAL SCIENCES 2018. [DOI: 10.1016/j.jons.2018.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
|