Cancer other diagnostic studies: Difference between revisions
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== | ==Other Diagnostic Studies== | ||
===Biopsy=== | |||
== Biopsy == | |||
A cancer may be suspected for a variety of reasons, but the definitive diagnosis of most malignancies must be confirmed by [[histology|histological]] examination of the cancerous cells by a [[anatomical pathology|pathologist]]. Tissue can be obtained from a [[biopsy]] or [[surgery]]. Many biopsies (such as those of the skin, breast or liver) can be done in a doctor's office. Biopsies of other organs are performed under [[anesthesia]] and require [[surgery]] in an [[operating room]]. | A cancer may be suspected for a variety of reasons, but the definitive diagnosis of most malignancies must be confirmed by [[histology|histological]] examination of the cancerous cells by a [[anatomical pathology|pathologist]]. Tissue can be obtained from a [[biopsy]] or [[surgery]]. Many biopsies (such as those of the skin, breast or liver) can be done in a doctor's office. Biopsies of other organs are performed under [[anesthesia]] and require [[surgery]] in an [[operating room]]. | ||
Revision as of 19:57, 3 April 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Other Diagnostic Studies
Biopsy
A cancer may be suspected for a variety of reasons, but the definitive diagnosis of most malignancies must be confirmed by histological examination of the cancerous cells by a pathologist. Tissue can be obtained from a biopsy or surgery. Many biopsies (such as those of the skin, breast or liver) can be done in a doctor's office. Biopsies of other organs are performed under anesthesia and require surgery in an operating room.
The tissue diagnosis indicates the type of cell that is proliferating, its histological grade and other features of the tumor. Together, this information is useful to evaluate the prognosis of this patient and choose the best treatment. Cytogenetics and immunohistochemistry may provide information about future behavior of the cancer (prognosis) and best treatment.