Tracy Hutchinson with a rare TP53 gene mutation
Image Credit: Tracy Hutchinson
When multiple family members were diagnosed with cancer simultaneously, I began to suspect something was amiss. In 1990, both my sister Rebecca and I were diagnosed with acute lymphoblastic leukemia at ages 21 and 14, respectively. During her intense chemotherapy, our mother received a breast cancer diagnosis.
Tragically, Rebecca passed away in 1994, followed by our father developing colon cancer years later. While he underwent treatment, his mother faced a new breast cancer diagnosis, thankfully surviving, but subsequently diagnosed with esophageal cancer in 2009. Despite major surgery, my father succumbed to the disease just six weeks later.
In 2020, my other sister was diagnosed with triple-negative breast cancer, prompting me to think, “Oh my god, something is seriously wrong here.” She underwent testing for BRCA mutations, which include the mutant versions of BRCA1 and BRCA2, but received a negative result.
Next, we tested for a rarer and more severe mutation in the TP53 gene. This mutation significantly elevates the risk of developing cancer—women with this mutation face almost a 100% chance of developing cancer during their lifetime. This condition, known as Li-Fraumeni syndrome, suggests that the TP53 gene, which typically helps suppress cancer, is not functioning properly.
When my sister urged me to undergo testing, I was initially puzzled: “What is Li-Fraumeni syndrome?” Upon receiving my positive test results, I felt a wave of distress. Given the situation, I was encouraged to get tested myself to support my sister during her difficult journey.
In 2022, at the age of 47, I underwent genetic testing and received a positive diagnosis. Surprisingly, I found comfort in this knowledge, feeling that it finally provided answers to all my family’s tribulations. However, this journey is deeply personal; for example, my brother opted not to get tested.
Receiving the diagnosis shifted my entire perspective on life. With Li-Fraumeni syndrome, the thought of it becomes a constant presence. Just months after learning about my condition, I opted for a double mastectomy as a preventive measure. During the surgery, two early-stage cancers known as ductal carcinoma in situ were discovered in my left breast.
Living in Sydney allowed me to participate in Australian clinical trials focused on using annual full-body MRIs to detect tumors in individuals with genetic mutations like TP53. In 2022, I welcomed my first baby while feeling apprehensive about potential discoveries. The following year, a benign 9-millimeter meningioma—an unusual tumor in the meninges surrounding my brain—was found, adding to my anxiety levels.
I receive full-body MRIs annually in November, though my anxiety peaks around July, as I worry whether that year will bring life-altering news. Despite this, participating in the study offers me reassurance, as early detection is crucial for successful treatment. My sister, who has beaten breast cancer, also now undergoes annual MRIs.
Besides the yearly MRIs, I have annual skin exams and blood tests conducted by a dermatologist, along with endoscopies and colonoscopies every two years. During one of these procedures, a polyp was discovered in my intestines, indicating potential cancer risk, which was promptly removed. Atypical cells in my esophagus are also being monitored. I’m vigilant about any signs of abnormality, as minor discomfort sends me into a whirlwind of worry.
My geneticist speculates that my mother may have experienced a spontaneous mutation within her TP53 genes, rather than these being purely hereditary. None of my sisters or I have children, so there is no risk of transmitting the mutation further.
My partner has been incredibly supportive throughout this journey. After my diagnosis, he simply said, “Just do what you need to do.” When I underwent the double mastectomy, I chose not to pursue breast reconstruction, worried about my appearance, but he reassured me, saying, “Your scars tell the story of your struggle.”
I strive to maintain a positive outlook, understanding that everyone faces their own challenges—whether they’re physical, emotional, or psychological. For instance, my sister-in-law recently suffered a stroke. We all share visible and invisible battles, making it essential to approach one another with empathy. Life isn’t as idyllic as a white picket fence would suggest.
As told by Alice Klein
Topics:
Source: www.newscientist.com