Tumor Gallery

MORTON, William Thomas Green (1819-1868). American

MORTON, William Thomas Green (1819-1868). American dentist that considered himself as the inventor and revealer of the use of ether for surgical anesthesia. First use of sulfuric ether inhaled as anesthetic in the removal of a tumor. Demonstration of Morton at the Massachusetts General Hospital in Boston on October 16, 1846. Illustration by Burgun in Les merveilles de la science ou description populaire des inventions modernes by Louis Figuier. Paris. 1868. Engraving

© Iberfoto/Mary Evans

Illustration of an atypical growth on the skin that could be a sign of skin cancer

Illustration of an atypical growth on the skin that could be a warning sign of skin cancer. Sudden change in the appearance, shape, color, size, or texture of an existing mole or pigmented area that does not reduce or heal within 4 weeks are common signals of skin cancer

© Stocktrek Images

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Neurofibromatosis, a genetic disorder of the nervous system

A genetic disorder of the nervous system, neurofibromatosis causes tumors to form on nerves throughout the body, including a type of tumor called an optic nerve glioma that can result in childhood blindness. The image was used to demonstrate the unique imaging capabilities of one of our newest (at the time) laser scanning microscopes and is of a wildtype (normal) mouse retina in the optic fiber layer. This layer is responsible for relaying information from the retina to the brain and was fluorescently stained to reveal the distribution of glial cells (green), DNA and RNA in the cell bodies of the retinal ganglion neurons (orange) and their optic nerve fibers (red), and actin in endothelial cells surrounding a prominent branching blood vessel (blue). By studying the microscopic structure of normal and diseased retina and optic nerves, we hope to better understand the altered biology of the tissues in these tumors with the prospects of developing therapeutic interventions

© National Institutes of Health/Stocktrek Images