New Optical Coherence Tomography Helps Identification of Cancerous Tissue in Brain

Tumors usually look the same as the healthy tissue just around them, which means the repeated biopsies and MRI scans can make such surgeries last for many hours.

To add on, neurosurgeons removing a tumor have to be obsessive about resecting just enough and not too much tissue so that the cancer doesn’t come back while the patient is not left neurologically disabled.

About Brain Tumor
Brain tumors are the abnormal growth of brain cells that may be benign or metastatic. Brain tumors account for about 2.4% of all the tumor diagnosesandare most challenging due to their critically delicate location.

Researchers at Johns Hopkins University have reported on a new optical coherence tomography (OCT) probe that may provide surgeons real-time identification of cancerous tissues.

Previously, the fact that tumors tend to be denser was the basis for many designed devices, but the Hopkins team focused on brain cancer cells’ lack of myelin sheaths as the marker that influences how light passes through them.

Having identified how brain cancer cells uniquely scatter light, the researchers wrote a computer program that spots the relevant parameters within OCT scan data.

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The results come back as a 3D color map of the tissue under the probe, red colored areas pointing to cancerous regions while the green being healthy material to be preserved.

Source-Medindia

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