What does “high-grade squamous intraepithelial lesion (HSIL)” mean?
Nov 11, 2021
Source: Cainiu Health
Dr. Wu Xuehui
Introduction
High-grade squamous intraepithelial lesion (HSIL) is also referred to as carcinoma in situ or a precancerous lesion. Precancerous lesions typically refer to squamous intraepithelial neoplasia (also termed cervical intraepithelial neoplasia, CIN), which is generally classified into three grades: mild dysplasia (CIN 1), moderate dysplasia (CIN 2), and severe dysplasia (CIN 3).
High-grade squamous intraepithelial lesion (HSIL) is a term unfamiliar to most people. However, even if this result appears on your test report, there is no need for excessive anxiety. HSIL does not indicate that cancer has already developed in your body; rather, it signifies a precancerous condition with the potential—though not certainty—to progress to cancer. So, what exactly does “high-grade squamous intraepithelial lesion (HSIL)” mean? Below is an explanation.
What does high-grade squamous intraepithelial lesion (HSIL) mean?
High-grade squamous intraepithelial lesion (HSIL) is also referred to as carcinoma in situ or a precancerous lesion. Precancerous lesions generally refer to squamous cell precancerous changes—also termed intraepithelial neoplasia—and are typically classified into three grades: mild dysplasia (CIN1), moderate dysplasia (CIN2), and severe dysplasia (CIN3). HSIL encompasses CIN2, CIN3, and carcinoma in situ. Surgical intervention is the primary recommended treatment for HSIL, with the specific therapeutic approach determined based on results from ThinPrep cytology test (TCT) and histopathological biopsy.
Additional Information: What causes high-grade squamous intraepithelial lesion (HSIL)?
1. When occurring in the gastrointestinal tract or other sites, HSIL may be associated with unhealthy dietary and lifestyle habits—including consumption of spicy or irritating foods—as well as genetic factors. Additionally, high-grade squamous intraepithelial lesions correlate with smoking, alcohol consumption, and compromised immune function.
2. HSIL is primarily caused by persistent human papillomavirus (HPV) infection. Any woman who has ever been sexually active is at risk of HPV infection. If the virus persists in the body, it may lead to cervical precancerous lesions or cervical cancer. Other contributing factors include having multiple sexual partners, smoking, early onset of sexual activity, sexually transmitted infections, long-term use of oral contraceptives, and immunosuppression.
The above provides an overview of what high-grade squamous intraepithelial lesion (HSIL) means. We hope this information is helpful to you.
