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Archive for August, 2009

HDGC and the Increased Risk of Lobular Breast Cancer

Posted by Johanna Chelcun On August - 25 - 2009

by Johanna Chelcun, MHS, PA-C

 

Scientific Background

The role of the E-cadherin protein affected by CDH1 gene mutations is adhesion of adjacent cells in certain tissues of the body.   In patients with a CDH1 gene mutation, the loss of E-cadherin is thought to lead to invasive tumors, most often in the lining of the stomach.  However, a form of breast cancer called lobular breast cancer has also been associated with the CDH1 gene mutation and hereditary diffuse gastric cancer.

Lobular breast cancer caused by CDH1 mutations cause cancerous cells to be scattered throughout the breast tissue, making the cancer difficult to diagnose (much like hereditary diffuse gastric cancer).  Additionally, the same type of cancer cells, called signet ring cells, are found in both lobular breast cancer and diffuse gastric cancers.  This helps to solidify a relationship between the CDH1 gene mutation and an increased risk of both diffuse gastric cancer and lobular breast cancer.  To date, lobular breast cancer is the only cancer besides gastric that is known to occur at increased rates in families affected by a CDH1 gene mutation. Read the rest of this entry »

Education, Front, Genetics, HDGC, Hereditary Diffuse Gastric Cancer, Lobular Breast Cancer

Know Your Family History: The importance of communication and record-keeping

Posted by Johanna Chelcun On August - 12 - 2009

By Johanna Chelcun, MHS, PA-C

 

As we now know, hereditary diffuse gastric cancer is a rare inherited syndrome that is caused by a genetic mutation in the CDH1 gene. This gene has the possibility of being passed from generation to generation, and the effects of the inheritance can be devastating. Looking beyond HDGC, we notice that the new wave of medicine is focused on genetic mapping, counseling, and testing - searching for patterns of heart disease, autism, dementia, and all types of cancer, to name a few.

 

Often times, primary care physicians simply don’t have the time to ascertain and document a thorough family history during a brief appointment. They are often allotted only 15-minute intervals to discuss your own medical history, review your medication list, talk about any current issues or concerns, perform a physical exam, develop a management plan, prescribe any new medications, and update your medical record (whew!). The time spent on family history is minimal, and sometimes even missed altogether.

 

Read the rest of this entry »

Education, Families, Front, HDGC, Hereditary Diffuse Gastric Cancer
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      Scientific Advisory Board members are highly accomplished professionals with medical and/or research background, who provide expert and comprehensive perspectives as well as guidance to No Stomach For Cancer, Inc. with regard to technical, medical, and research related topics. The Board provides knowledge and support that are critical in furthering our Mission.

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    • Nina healey wrote on the wire of the group Lobular Breast Cancer   1 week, 1 day ago

      I am new to this group. I am actually a cousin of Lorraine Ennis. In March 2007, I was diagnosed with Invasive Lobular Carcinoma in my right breast. I had a mastectomy in March, during which the dr checked the lymph nodes by removing the main node and checked it while I [...]

    • Nina healey joined the group Lobular Breast Cancer   1 week, 1 day ago

    • Gretchen Borzi wrote on the wire of the group Lobular Breast Cancer   3 weeks, 2 days ago

      Lorraine and Cathy, you’re stories are inspiring. I wish you both the best of luck with your surgeries and recovery. Right now, it’s hard for me to imagine being in your shoes, but I will most likely be there at some point. Thanks for sharing.