Secondary lymph node cancer. Light micrograph of cancer tissue (pink) growing inside a lymph node. This tumour, a squamous cell carcinoma, has grown f


Secondary lymph node cancer. Light micrograph of cancer tissue (pink) growing inside a lymph node. This tumour, a squamous cell carcinoma, has grown from cancer cells that escaped from a lung tumour. Unlike the surrounding white blood cells (small dark spots), the cancer cells are disorganised and contain abnormally large nuclei - a sign of rapid cell division. The dark red bodies and circular fibres are deposits of keratin, a tough protective protein. Squamous carcinomas arise from keratin- producing epithelial cells, which are found on the skin and in smokers' lungs. Spread of the cancer lowers the chance of survival. Stained with hemat- oxylin and eosin. Magnification x125 at 35mm size.


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Photo credit: © DR. E. WALKER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: cancer, cancerous, carcinoma, cell, condition, disease, disorder, eosin, haematoxylin, healthcare, light, lymph, malignancy, malignant, medical, medicine, metast., metasta, metastatic, micrograph, nod, node, squamous, stain