What does DCIS stand for?

Study for the Mammography Jeopardy Test. Get ready for your exam with engaging questions, detailed explanations, and comprehensive study materials.

Multiple Choice

What does DCIS stand for?

Explanation:
DCIS stands for Ductal Carcinoma In Situ. “In situ” means the cancer cells are confined to the milk ducts and have not invaded surrounding breast tissue, so this is a noninvasive, typically early-stage finding (often called Stage 0). On mammography, DCIS can present as suspicious microcalcifications, reflecting abnormal cells within the ducts. This differs from invasive ductal carcinoma, where cancer cells have breached the duct walls and invaded surrounding tissue, and from lobular carcinoma in situ, which involves abnormal cells in the lobules but remains noninvasive. The phrase “with invasive component” would indicate invasion is already present, which would not be a pure DCIS.

DCIS stands for Ductal Carcinoma In Situ. “In situ” means the cancer cells are confined to the milk ducts and have not invaded surrounding breast tissue, so this is a noninvasive, typically early-stage finding (often called Stage 0). On mammography, DCIS can present as suspicious microcalcifications, reflecting abnormal cells within the ducts. This differs from invasive ductal carcinoma, where cancer cells have breached the duct walls and invaded surrounding tissue, and from lobular carcinoma in situ, which involves abnormal cells in the lobules but remains noninvasive. The phrase “with invasive component” would indicate invasion is already present, which would not be a pure DCIS.

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