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Lumpectomy with Sentinel Node Biopsy
Questions about Lumpectomy with Sentinel Node Biopsy.
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AskedPublicly Submitted Question
7/5/2017The tumor size was 1.9 x 1.5 x 1.4, the surgeon believed it was DCIS before the surgery. The removed size was 3.7 x 3.2 x 2.2 and 1.1 x 0.7 x 0.4 cm.
After surgery report: Invasive Cribriform Adenocarcinoma, BSR grade 2, 2.3 cm in maximal dimension, associated with intracystic papillary Adenocarcinoma + DCIS of intermediate grade + cribriform Type, DCIS involves anterior, inferior, + posterior surgical margins.
Is the tumor inside or outside of the duct? How many duct involved if it was inside?
Is the tumor two type of cancer? Or the tumor is invasive and the outside tissue of the tumor is DCIS? The report said that invasive margin were clear, but not DCIS. The surgeon asked second surgery plus lymph node biopsy, but could it be avoid? Because how could the surgeon know the size of DCIS and how much to cut out? Then might have to have another surgery if it was not clear.
Also lymph node biopsy is for diagnosis, is there other way to check it instead of damage the immune system?
RepliedJHU's Breast Center Reply
7/5/2017In invasive cribriform carcinoma, the cancer cells invade the connective tissues of the breast in nestlike formations between the ducts and lobules. Usually, some ductal carcinoma in situ (DCIS) of the cribriform type is present as well. Invasive breast cancer is outside of the duct. DCIS is non-invasive and has not spread beyond the milk duct. Inadequate clear margins may result in a high risk of local recurrence. Most research suggests clear margins of at least 2 mm. When there is an invasive component of breast cancer, standard therapy is to check a lymph node to determine if the cancer has spread. The procedure is called sentinel lymph node biopsy and is generally a safe procedure. Multiple lymph nodes will remain to maintain the function of your immune system.

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