noninvasive

Non-invasive

What does non-invasive mean in a pathology report? In pathology, non-invasive is used to describe a disease (typically a tumour) that remains localized and has not spread into the surrounding tissues or organs. All types of benign (noncancerous) tumours are by definition non-invasive. However, some types of early-stage malignant (cancerous) tumours are also considered non-invasive …
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Adenocarcinoma in situ (AIS)

What is adenocarcinoma in situ? Adenocarcinoma in situ (AIS) is a non-invasive type of cancer. It is called non-invasive because the cancer cells have not spread into surrounding tissues. If left untreated, it can turn into invasive adenocarcinoma. Is adenocarcinoma in situ a benign or malignant disease? AIS is considered a malignant (cancerous) disease. However, …
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Adenocarcinoma in situ of the cervix

What is adenocarcinoma in situ of the cervix? Adenocarcinoma in situ (AIS) is a precancerous disease in the cervix. The disease starts from glands in a part of the cervix called the endocervix. If not treated, AIS can turn into a type of cervical cancer called endocervical adenocarcinoma. Is adenocarcinoma in situ a type of …
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Squamous cell carcinoma in situ of the larynx

What is squamous cell carcinoma in situ of the larynx? Squamous cell carcinoma in situ (CIS) is a non-invasive type of throat cancer. If left untreated, squamous cell CIS is associated with a high risk of developing invasive¬†squamous cell carcinoma. Other names for this condition include severe squamous dysplasia and high grade dysplasia. Where in …
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