How accurate is cytology?

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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%.

What does suspicious cytology mean?

As an example, Nabi et al defined a “suspicious” urinary cytology diagnosis as either the “presence of highly atypical cells not clearly indicative of malignancy” or “cases in which malignancy cannot be excluded.”8 In the study institution, a “suspicious” diagnosis is usually assigned to cases with nondegenerated and …

What does negative cytology mean?

Negative. This means no cancer cells were identified in your urine sample. Atypical. This indicates that some abnormalities were found in your urine sample cells, but they weren’t abnormal enough to be considered cancer.

What are the two types of cytology?

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 are the advantages of cytology?

The advantages of utilizing cytological examination over traditional tissue are well known, the most important of which are:

  • Safe. The procedures that are used to get cytological samples are extremely safe. …
  • Simple. It is well known that getting most cytological samples is simple. …
  • Quick. …
  • Cost effective.
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What is called cytology?

Cytology is the study of individual cells of the body, as opposed to histology which is the study of whole human tissue itself.

What is cytology procedure?

Cytology is the study of the structure and function of cells; the examination of cells under a microscope as used in the diagnosis of cancer.

Can urine cytology wrong?

Urine cytology is associated with a significant false-negative rate, especially for low-grade carcinoma (10-50% accuracy rate). The false-positive rate is 1-12%, although cytology has a 95% accuracy rate for diagnosing high-grade carcinoma and CIS.

Is cytology a biopsy?

A cytology test is different from a biopsy. During a biopsy, tissue from a certain area of the body is removed and analyzed for cancer. A cytology test removes and studies a fewer number of cells. With a cytology test, the structure and function of the cells collected are studied under a microscope.