Abstract #0439

Development of a Local Pituitary Coil for Assessment of Pituitary Microadenomas

Jiahao Lin^1,2, Rock Hadley³, Ling Li², Robb Merrill³, Marvin Bergsneider⁴, Robert Candler^2,5, and KyungHyun Sung¹

¹Radiological Sciences, University of California, Los Angeles, Los Angeles, CA, United States, ²Electrical Engineering, University of California, Los Angeles, Los Angeles, CA, United States, ³Radiology and Imaging sciences, University of Utah, Salt Lake City, UT, United States, ⁴Neurosurgery, University of California, Los Angeles, Los Angeles, CA, United States, ⁵California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA, United States

Pituitary microadenomas are difficult to detect due to their small size, and the surgeon is sometimes forced to multiply slice to explore the pituitary gland – at considerable risk of damaging this essential master hormone gland. In this study, we design and evaluate a local pituitary coil that allows placing it in direct proximity to the pituitary gland. The local pituitary coil had increased signal-to-noise ratio by a factor of six, in comparison with a commercial 20-channel head/neck coil, and had a sufficient coil coverage for the pituitary microadenomas at around 1cm depth from the coil.

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