Why use exfoliative cytology?

Asked by: Theresa Fox  |  Last update: 29 June 2021
Score: 5/5 (69 votes)

Exfoliative cytology not only aids in the differential diagnosis of an unidenti fied oral lesion or a probable benign lesion when the physician or dentist is reluctant toperform abiopsy, but also helps to detect carcinoma in situ and other premalignant lesions in suspicious red, velvety and granular-appearing areas.

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Likewise, Why is exfoliative cytology important?

Exfoliative cytology, which is a quick and simple procedure, is an important alternative to biopsy in certain situations. In exfoliative cytology, cells shed from body surfaces, such as the inside of the mouth, are collected and examined.

Similarly, What are the application of exfoliative cytology?. Exfoliative cytology is a simple non-aggressive technique that is well accepted by the patient, and that is therefore an attractive option for the early diagnosis of oral cancer, including epithelial atypias and especially squamous cell carcinoma.

Moreover, What is oral exfoliative cytology?

Oral exfoliative cytology (OEC) is the microscopic examination of exfoliated cells from an epithelial surface. It is a simple, noninvasive, and sensitive staining technique used as an adjuvant for biopsy or in cases where biopsy is not feasible as well as mass screening [2].

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.

24 related questions found

How accurate is cytology?

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 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.

Is Pap smear exfoliative cytology?

Exfoliative cytology, or the Papanicolaou (Pap) test, is an easily performed, noninvasive, and inexpensive procedure to screen for preinvasive and invasive cervical cancer.

What is abrasive cytology?

The use of abrasive cytology as a screening procedure in the diagnosis of early cancer of the oesophagus among asymptomatic rural Ciskeians was assessed. An inexpensive, locally manufactured brush biopsy capsule was used to obtain cytological material from 1,336 subjects.

What is exfoliative cytology PPT?

a branch of Cytology which deals wit the microscopic study of cells thathave been desquamated from the epithelial surfaces.recommended for :Detection of malignant cells or precancerous lesions in the bodyDetection of asymptomatic or precancerous cervical lesions in womenAssessment of female hormonal status in case of ...

What fixative can be used for cytology smears?

Ethyl alcohol (95%) is the most commonly used fixative in cytology. The cytology samples are processed commonly by direct smear, centrifugation, cytocentrifugation, liquid-based preparation, Millipore technique and cell block.

What is imprint cytology?

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 is fluid cytology?

Definition. A cytology exam of pleural fluid is a laboratory test to detect cancer cells and certain other cells in the area that surrounds the lungs. This area is called the pleural space. Cytology means the study of cells.

How does liquid based cytology work?

Liquid-based cytology is a new method of preparing cervical samples for cytological examination. Unlike the conventional 'smear' preparation it involves making a suspension of cells from the sample and this is used to produce a thin layer of cells on a slide.

How long does a Coloscopy take?

A colposcopy is usually carried out in a hospital clinic. It takes around 15 to 20 minutes and you can go home soon afterwards.

What are superficial cells?

Superficial cells are the largest cells seen on a vaginal smear. The are polygonal in shape and distinctly flat, sometimes having the appearance of being rolled up. Their nuclei are either absent or pyknotic (very small and dark). Superficial cells without nuclei are often referred to as being "fully cornified".

What is cytology fixative?

Cytology Fixative combines a convenient fine-mist spray dispenser with a polyethylene glycol formulation to enable the rapid, high quality fixation of cytology cell spreads. Cytology Fixative covers cells with a tough, soluble film that protects cell morphology for microscopic examination.

Which stain is used for Pap smear?

Papanicolaou stain (also Papanicolaou's stain and Pap stain) is a multichromatic (multicolored) cytological staining technique developed by George Papanicolaou in 1942. The Papanicolaou stain is one of the most widely used stains in cytology, where it is used to aid pathologists in making a diagnosis.

What does PAP stand for in Pap smear?

A Pap smear or Pap test is a screening test for cervical cancer. It is named after Georgios Papanikolaou, the doctor who determined its use in detecting early signs that could lead to cervical cancer. It is one form of cervical cancer screening. Some women also have HPV (Human Papilloma Virus) testing.