Yttrium 90 Y ibritumomab tiuxetan

yttrium 90 Y ibritumomab tiuxetan, a chelate of yttrium 90 and the immunoconjugate ibritumomab tiuxetan, used in the treatment of non-Hodgkin’s lymphoma. It is administered intravenously.

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Yttrium (Y)

yttrium (Y)  /it″rē·əm/  [Ytterby, Sweden], a scaly, grayish metallic element. Its atomic number is 39, and its atomic mass (weight) is 88.905. Radioactive isotopes of yttrium have been used in cancer therapy.

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Ytterbium (Yb)

ytterbium (Yb)  /itur″bē·əm/  [Ytterby, Sweden], a rare earth metallic element. Its atomic number is 70, and its atomic mass (weight) is 173.04. It has been used as a radiation source in portable x-ray machines and is also used in lasers.

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Y-set

Y-set, a device composed of plastic components, used for delivering IV fluids through a primary IV line connected to a combination drip chamber filter section from which two separate plastic tubes lead to fluid sources. The Y-set also includes three clamps, one for the primary IV line and one for each of the two separate […]

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Y-plasty

Y-plasty  /wī″plas′tē/ ,  a method of surgical revision of a scar, using a Y-shaped incision to reduce scar contractures. Also called VY plasty. Compare Z-plasty. Y-plasty (Jung et al, 2009)

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Young’s operation

Young’s operation [Hugh Young], 1. the surgical construction of a new urethra to repair a structural defect of the penis. 2. perineal prostatectomy.

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Young prostatic retractor

Young prostatic retractor [Hugh Young, American urologist, 1870–1945], a short, straight surgical instrument with blades operated by a knob, for use in open perineal prostatectomy. The device can be inserted through the prostatic urethra and by direct traction used to draw down the prostate gland into the operative field.

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