Search results for " riproduzione umana"

Effetti del Papillomavirus genitale sulla riproduzione umana

2009

Human papillomaviruses (HPVs) are agents of the most common sexually transmitted disease that can infect both females and males. More than 100 HPV-genotypes are known, of these, 40 genotypes infect the low genital tract. Based on their association with cervical cancer and precursor lesions, genital HPVs can also be grouped to high-risk and low-risk HPV-types. Diagnosis of HPV infection is sometime difficult because the infection is often transient and asymptomatic. High-risk HPV types are more likely to persist than are low-risk HPV types. It’s the inability of the immune system to spontaneously clear HPV that leads to development of precancerous cervical lesions. It is generally assumed th…