anal intraepithelial neoplasia
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2022 ◽  
Vol 77 ◽  
pp. 102099
Author(s):  
Aivara Urbute ◽  
Christian Munk ◽  
Freja L. Sand ◽  
Federica Belmonte ◽  
Susanne K. Kjaer

2021 ◽  
pp. 343-354
Author(s):  
Wolfgang B. Gaertner ◽  
Mukta K. Krane

Author(s):  
Ivy H. Gardner ◽  
Katherine M. Watson ◽  
Desiree Nguyen ◽  
Elizabeth N. Dewey ◽  
Karen E. Deveney ◽  
...  

Author(s):  
Danielle R. L. Brogden ◽  
Micol E. E. Lupi ◽  
Oliver J. Warren ◽  
Christos Kontovounisios ◽  
Sarah C. Mills

AbstractAnal Squamous Cell Carcinoma (ASCC) is an uncommon cancer with a recognised precursor Anal Intraepithelial Neoplasia (AIN). Although there are consistent evidence-based guidelines for the management of ASCC, historically this has not been the case for AIN and as a result there have been geographical variations in the recommendations for the treatment of AIN. More recently there have been updates in the literature to the recommendations for the management of AIN. To assess whether we are now closer to achieving an international consensus, we have completed a systematic scoping review of available guidelines for the screening, treatment and follow-up of AIN as a precursor to ASCC. MEDLINE and EMBASE were systematically searched for available clinical guidelines endorsed by a recognised clinical society that included recommendations on either the screening, treatment or follow-up of AIN. Nine clinical guidelines from three geographical areas were included. The most recent guidelines agreed that screening for AIN in high-risk patients and follow-up after treatment was necessary but there was less consensus on the modality of screening. Six Guidelines recommended the treatment of high-grade AIN and four guidelines describe a follow-up protocol of patients diagnosed with AIN. There appears to be increasing consensus on the treatment and follow-up of patients despite a poor evidence base. There is still significant discrepancy in guidance on the method to identify patients at risk of ASCC and AIN despite consensus between geographical regions on which patient subgroups are at the highest risk.


PLoS ONE ◽  
2021 ◽  
Vol 16 (9) ◽  
pp. e0256852
Author(s):  
Arkom Chaiwongkot ◽  
Nittaya Phanuphak ◽  
Tippawan Pankam ◽  
Parvapan Bhattarakosol

The human papillomavirus (HPV) 16 early promoter and L1 gene methylation were quantitatively measured using pyrosequencing assay in anal cells collected from men who have sex with men (MSM) to determine potential biomarkers for HPV-related anal cancer. The methylation patterns of HPV16 genes, including the early promoter (CpG 31, 37, 43, 52, and 58) and L1 genes (CpG 5600, 5606, 5609, 5615, 7136, and 7145), were analyzed in 178 anal samples. The samples were diagnosed as normal, anal intraepithelial neoplasia (AIN) 1, AIN2, and AIN3. Low methylation levels of the early promoter (< 10%) and L1 genes (< 20%) were found in all detected normal anal cells. In comparison, medium to high methylation (≥ 20–60%) in the early promoter was found in 1.5% (1/67) and 5% (2/40) of AIN1 and AIN2-3 samples, respectively. Interestingly, slightly increased L1 gene methylation levels (≥ 20–60%), especially at the HPV16 5’L1 regions CpGs 5600 and 5609, were demonstrated in AIN2-3 specimen. Moreover, a negative correlation between high HPV16 L1 gene methylation at CpGs 5600, 5609, 5615, and 7145 and a percentual CD4 count was found in AIN3 HIV positive cases. When comparing the methylation status of AIN2-3 to that of normal/AIN1 lesions, the results indicated the potential of using HPV16 L1 gene methylation as a biomarker for HPV-related cancer screening.


2021 ◽  
Author(s):  
Angela Ting‐Wei Hsu ◽  
Ya‐Ching Hung ◽  
Sandy H. Fang ◽  
Christopher R. D’Adamo ◽  
Arun A. Mavanur ◽  
...  

2021 ◽  
Vol Publish Ahead of Print ◽  
Author(s):  
Yuxin Liu ◽  
W. Glenn McCluggage ◽  
Teresa M. Darragh ◽  
Nada Farhat ◽  
Morgan Blakely ◽  
...  

AIDS ◽  
2021 ◽  
Vol Publish Ahead of Print ◽  
Author(s):  
Karien C.M. Gosens ◽  
Ramon P. van der Zee ◽  
Matthijs L. Siegenbeek van Heukelom ◽  
Vita W. Jongen ◽  
Irina Cairo ◽  
...  

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