atypia

Endometrium: Atypical endometrial hyperplasia

This article was last reviewed by Emily Goebel, MD FRCPC on December 10, 2018 Quick facts: Atypical endometrial hyperplasia is a pre-cancerous condition caused by increased growth of the tissue that lines that inside of the uterus. It is considered a pre-cancerous condition because it can turn into cancer called endometrioid carcinoma if left untreated. …
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Atypical glandular cells (AGS)

This article was last reviewed by Adnan Karavelic, MD FRCPC on December 24, 2019 Quick facts: Atypical glandular cells means that abnormal cells were seen on your Pap smear. It is a description and not a final diagnosis. Causes include cancer, infection, inflammation, pregnancy, or previous radiation to the cervix or endometrium. Atypical glandular cells is …
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Atypical squamous cells of undetermined significance (ASC-US)

This article was last reviewed by Adnan Karavelic, MD FRCPC on September 16, 2019 Quick facts: ASC-US is a diagnosis that falls in between normal and the non-cancerous condition called low grade squamous intraepithelial lesion (LSIL). Causes of ASC-US include human papillomavirus (HPV) infection, inflammation of the cervix, postmenopausal status, and prior radiation therapy. A …
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What does atypical mean?

Atypical is a word pathologists use to describe cells that look abnormal either in shape, colour, or size compared to normal, healthy cells in the same location. Pathologists may also describe these changes as cytologic atypia. What causes a cell to become atypical? There are many reasons why cells may start to look atypical. The most common …
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