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bright T1 lesion

(short T1)

  • fat (lipoma, dermoid)
  • sub-acute hemorrhage (metHb)
  • paramagnetic agent (Gd, ? post. pituitary)
  • proteinaceous fluid (colloid cyst)
  • metastatic melanoma (melanotic)

most abnormalities cause long T1 + T2 ("dark/bright")
see also: dark T2 lesion

Charles E. Kahn, Jr., MD  -  2 February 1995
Last updated:  1 October 2013


 

Related CHORUS documents:
dark T2 lesion
xenon 133
blueberry muffin sign
cafe-au-lait spots
neuroblastoma
malignant melanoma: staging

 

Copyright © 2013, Charles E. Kahn, Jr.