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IIT Delhi Student Invents A New Way To Detect Breast Cancer

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IIT Delhi Student Invents A New Way To Detect Breast Cancer

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IIT Delhi student, J.Jean Rossario Raj from the department for biomedical engineering, presented an alternate design in ultrasound transient elastography system for early detection of breast cancer. The project was to expertly diagnose and differentiate between malignant (cancerous) and benign (non-cancerous) tumours by combining various ultrasound imaging modes.

Studies show that the malignant tumours are stiffer than benign ones. And one of the ways to detect the tumor is through Ultrasound elastography. It is a non invasive imaging technique which helps differentiate between the two types of tumours by evaluating the elasticity of the tumour.

In an abstract, Jean provided a detailed account of her research. The research was conducted on 72 breast cancer patients using conventional non-invasive tumour detection techniques. With the help of the data collected during the research, Jean built a prototype for faster and efficient detection of cancer. The clinical data of the patients was tested using the prototype. The results show that the machine was able to detect tumours with 94.7% sensitivity, 90.6% specificity and 91.7% accuracy. The machine was also able to differentiate between the malignant and benign tumours with accuracy.

Breast cancer is the most common cancers in women worldwide. It is the fifth most common cause of death from cancer in women. Nearly 1.7 million new cases were diagnosed in 2012, which represents about 12% of all new cancer cases and 25% of all cancers in women.

In developed countries with advanced medical care, the survival rate of early stage breast cancers is 80-90 %, which falls to 24% for cancers diagnosed at a more advanced stage. Whereas, in developing countries, the survival rate further decreases to 40%.

Breast cancer is increasing rapidly in developing countries where the majority of cases are diagnosed at later stages. The lack of early detection and adequate diagnosis of the cancer reduces the survival rate.

Following is the standard procedure of diagnosing breast cancer

  • Breast Exam/Physical Exam
  • Mammography
  • Ultrasound Imaging
  • Biopsy
  • MRI

Currently, a biopsy is the only definitive way to detect breast cancer. The procedure requires removing a sample of breast cells to analyse –

  • Whether the cells are cancerous
  • Type of cells involved in the cancer
  • Grade of the cancer
  • Hormone receptors of the cancer cells

A biopsy is a time taking and invasive process. The machine uses a non invasive technique which will allow the doctors to diagnose the cancer at an early stage. The device will also allow the doctors to bypass the standard time consuming process and achieve faster results with  significantly improved specificity and accuracy. If used by medical practitioners and doctors, the machine invented by J.Jean Rossario Raj can help detect breast cancer early, thereby reducing female mortality.

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About The Author
Anshika Jain
  • Good to have a technique which is easy to detect the type of cancer with accuracy! I hope more research is being done to adapt this technique for regular use worldwide! ??