What is touch imprint?
Touch imprint cytology (TIC) is a well known pathological technique, which is used to provide a rapid intraoperative diagnosis of the biopsied tissue. Used as an adjunct to frozen sections, the procedure involves taking ‘touch’ imprints of the sample on a glass slide, fixing with alcohol and staining with H&E stain.
What is imprint biopsy?
Imprint cytology is a well-recognised simple technique for preparing a surgical specimen for pathological assessment. The excised SLN is sent fresh to the pathologist who processes it immediately. The cut surfaces are pressed onto a glass slide, which is then fixed and stained.
What cytology is used for?
Cytology is the exam of a single cell type, as often found in fluid specimens. It’s mainly used to diagnose or screen for cancer. It’s also used to screen for fetal abnormalities, for pap smears, to diagnose infectious organisms, and in other screening and diagnostic areas.
How many types of cytology are there?
What kinds of cytology are there? There are two main kinds, or branches, of cytology: exfoliative cytology and intervention cytology. Healthcare providers can use cytology tests for almost all areas of your body.
What is imprint preparation?
Imprint is a touch preparation in which tissue is touched on the slide and it leaves behind its imprint in the form of cells on glass slide; studies are made after proper staining.
What does a biopsy sample consist of?
A biopsy is a sample of tissue taken from the body in order to examine it more closely. A doctor should recommend a biopsy when an initial test suggests an area of tissue in the body isn’t normal. Doctors may call an area of abnormal tissue a lesion, a tumor, or a mass.
What is touch preparation cytology?
The touch prep method consisted of touching the corresponding margin onto the glass slide. The principle of this technique is that if cancer cells are present they will stick to the slide, while fat cells will not. A slide was prepared for each re-excision specimen.
How is cytology done?
Scrape or brush cytology: This procedure involves scraping or brushing some cells from the organ or tissue that’s being tested. Some areas where doctors use scrape or brush cytology include the breathing tubes that lead to the lungs, cervix (for a Pap test), esophagus, mouth and stomach.
What is an example of cytology?
For example, a common example of diagnostic cytology is the evaluation of cervical smears (referred to as the Papanicolaou test or Pap smear). In order for cytologic evaluation to be carried out, the material to be examined is spread onto glass slides and stained.
How accurate are cytology test?
Discussion. Many studies have evaluated the accuracy of urine cytology in the detection of bladder cancer. Overall, the reported sensitivity ranges from 20% to 97.3%; specificity ranges from 74% to 99.5%.