Immunohistochemistry (often abbreviated as IHC) is a laboratory test that pathologists use to detect specific proteins, also known as antigens, within cells in a tissue sample. By highlighting these proteins, pathologists can gain a better understanding of the types of cells present, their origins, and their behavior. This information enables doctors to make accurate diagnoses, …
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In pathology, a margin is the edge of a tissue that is cut when removing a tumour from the body. The margins described in a pathology report are very important because they tell you if the entire tumour was removed or if some of the tumour was left behind. The margin status will determine what …
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A biopsy is a medical procedure in which a small piece of tissue or a sample of cells is removed from the body for examination under a microscope. Pathologists use biopsies to diagnose a wide range of conditions, including cancer, infections, and inflammatory diseases. Examining cells and tissues closely enables pathologists to detect changes that …
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The Pathology Dictionary provides simple, patient-friendly definitions of the most common words and phrases used in pathology reports. Each entry explains what a term means in plain language and how pathologists use it. There are currently over 500 terms in the dictionary, covering everything from basic concepts like biopsy and malignant to specialized tests like …
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