punch biopsy

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A procedure in which a small round piece of tissue about the size of a pencil eraser is removed using a sharp, hollow, circular instrument. The tissue is then checked under a microscope for signs of disease. A punch biopsy may be used to check for certain types of cancer, including skin, vulvar, and cervical cancer. It may also be used to check for certain skin conditions and changes that may lead to cancer.

Definition from: Cancer.gov

Punch biopsy. A hollow, circular scalpel is used to cut into a lesion on the skin. The instrument is turned clockwise and counterclockwise to cut down about 4 millimeters (mm) to the layer of fatty tissue below the dermis. A small sample of tissue is removed to be checked under a microscope. Skin thickness is different on different parts of the body.Biopsia con sacabocados. Se usa un bisturí hueco con forma circular para cortar una lesión de la piel. El instrumento se gira en el sentido de las agujas del reloj y en sentido contrario para cortar alrededor de cuatro milímetros (mm) de grosor hasta llegar a la capa de tejido graso debajo de la dermis. Se extrae una muestra pequeña de tejido para observarla al microscopio. El grosor de la piel es distinto en diferentes partes del cuerpo.2004-12-22 Date last modified: 2014-01-03