Articles

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6 results found
Article

CT dose index

CT dose index (CTDI) (measured in mGy) is a standardized measure of radiation dose output of a CT scanner which allows the user to compare radiation output of different CT scanners. In the past CTDI100 (measured over a 100 mm long ionization chamber) and CTDIw (weighted average of dose across a ...
Article

Brachytherapy

Brachytherapy, also known as sealed source radiotherapy or endocurietherapy, is a form of radiotherapy where a radioactive source is placed, under the guidance of imaging, within or next to the area requiring treatment. This provides localized targeted internal radiation. Brachytherapy has been...
Article

Ultrasound guided breast biopsy

Ultrasound-guided percutaneous breast biopsy is a widely used technique for an accurate histopathological assessment of suspected breast pathology. It is a fast, safe and economical procedure. Indications Ultrasound guidance is limited to lesions visible on ultrasound study. The biopsy is gene...
Article

Stereotactic breast biopsy

Stereotactic breast biopsy refers to percutaneous sampling of breast tissue using mammographic guidance for targeting. Indications It is the biopsy method of choice when the finding of interest is best seen on mammography, such as microcalcifications (most common), architectural distortion, or...
Article

Breast ductography

Breast ductography (a.k.a. galactography) is an imaging technique which is used to evaluate lesions causing nipple discharge. It helps in precisely locating the mass within breast tissue and gives useful information for surgical approach and planning. Technique A blunt-tipped sialogram needle ...
Article

Breast core biopsy

The percutaneous breast biopsy is one of the current choices for focal histopathological assessment of breast lesions. In contrast to fine needle aspiration, during a core needle biopsy, a hollow needle is used to withdraw small cores of tissue from the area of interest in the breast.  This pro...

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