What is histological grading in breast cancer?

What is histological grading in breast cancer?

One of the best-established prognostic factors in breast cancer is histological grade, which represents the morphological assessment of tumor biological characteristics and has been shown to be able to generate important information related to the clinical behavior of breast cancers.

Is histologic grade the same as stage?

Tumor grade is not the same as the stage of a cancer. Cancer stage refers to the size and/or extent (reach) of the original (primary) tumor and whether or not cancer cells have spread in the body.

What is the most common histological type of breast cancer?

Invasive ductal carcinoma is the most commonly diagnosed breast cancer and has a tendency to metastasize via lymphatics. This lesion, which accounts for 75% of breast cancers, has no specific histologic characteristics other than invasion through the basement membrane of a breast duct, as seen in the image below.

What is the meaning of histologic grade 2?

Grade 2: The cells and tissue are somewhat abnormal and are called moderately differentiated.

What does histological grade mean?

Listen to pronunciation. (HIS-tuh-LAH-jik grayd) A description of a tumor based on how abnormal the cancer cells and tissue look under a microscope and how quickly the cancer cells are likely to grow and spread.

What does high-grade histology mean?

(hy grayd) A term used to describe cells and tissue that look abnormal under a microscope. High-grade cancer cells tend to grow and spread more quickly than low-grade cancer cells.

What does high grade histology mean?

What is histological grade?

What does invasive ductal carcinoma grade 2 mean?

An intermediate grade number (grade 2) means the cancer is growing faster than a grade 1 cancer but slower than a grade 3 cancer.

What is the meaning of histologic?

1 : a branch of anatomy that deals with the minute structure of animal and plant tissues as discernible with the microscope. 2 : tissue structure or organization.

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