Nearly 87% of the intraepithelial neoplasia of the cervix occur in the transformation zone, which is composed of squamous metaplastic cells with unclear origin. Squamous metaplasia of normal and carcinoma in situ of hpv. Carcinoma epidermoide del cuello uterino binipatia e higienismo. Pdf 44yearold woman with a previous papanicolaou test showing hyperkeratosis. In regard to the cervix, squamous metaplasia can sometimes be found in the endocervix, as it is composed of simple columnar epithelium, whereas the ectocervix is composed of stratified squamous nonkeratinized epithelium. Here you can read posts from all over the web from people who wrote about cervical cancer and metaplasia, and check the relations between cervical cancer and metaplasia. Todos os casos estavam associados a varios outros diagnosticos morfologios, neoplasicos ou naoneoplasicos. The gastric mucosa simple columnar epithelium is seen on the left. Download as txt, pdf, txt or read online from scribd. Clinical significance of squamous metaplasia in the cervix in the cervix, the area of the epithelium that has undergone metaplastic change is called the transformation zone tz. Nearly 87% of the intraepithelial neoplasia of the cervix occur in the transformation zone, which is composed of. Pdf epidermoid metaplasia of the cervix researchgate. Metaplasia nella cervice e le sue basi fisiologiche.
Geng l1, connolly dc, isacson c, ronnett bm, cho kr. The change from one type of cell to another may be part of a normal maturation process, or caused by some sort of abnormal stimulus. Tweet tweetel carcinoma epidermoide del cuello uterino. Squamous metaplasia of normal and carcinoma in situ of hpv 16. Caracterizacion histopatologica y evolucion del carcinoma. Squamous metaplasia of the entire uterine cavity, known as icthyosis uteri eur j gynaecol oncol 2011. A metaplasia is defined as the change of one type of epithelium to another type of epithelium. The metaplastic epithelium is at the junction center of image and has an intensely eosinophilic bright pink cytoplasm. Carcinoma epidermoide del cuello uterino binipatia e. Metaplastic change in the cervix and its physiological basis. The cervix is the lower part of the uterus, the place where a baby grows during pregnancy. Atypical immature metaplasia aim is a poorly characterized cervical lesion with.
Squamous metaplasia of uterine cervix is a benign condition and there is no risk for a malignant transformation. Numerous studies have shown that highgrade cin primarily involves the immature metaplastic epithelial cells of the tz where most, if not all cervical cancers arise. Jan 03, 2019 a metaplasia is defined as the change of one type of epithelium to another type of epithelium. Scientific and technological bioresources nucleus bioren. Micrograph of a gastroesophageal junction with pancreatic acinar metaplasia. However, the transformation zone of metaplastic change within the cervix is very vulnerable to human papilloma virus infection, which is. The esophageal mucosa stratified squamous epithelium is seen on the right. Aug 01, 1992 the importance of cervical squamous metaplasia and human papillomavirus 16 hpv 16 infection for cervical carcinoma has been well established. A 31yearold patient with secondary infertility owing to osseous metaplasia of the endometrium and cervix in whom uterine perforation occurred during the removal of bone fragments. Eifel pj, burke tw, delclos l, et al early stage i adenocarcinoma of the uterine cervix. Metaplasia epidermoide cervical cancer neoplasias scribd.
88 919 783 148 629 1539 59 1147 870 1431 491 1458 19 1416 931 1261 838 1561 410 81 3 1135 782 735 158 1376 1422 1446 1344 353 634 860 1459 80 1168 21 1343 1402