Which histologic findings are characteristic of intimal fibroplasia type of fibromuscular dysplasia (FMD)?

Updated: Jul 27, 2018
  • Author: James A Wilson, MD, MSc, FRCPC; Chief Editor: Helmi L Lutsep, MD  more...
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  • This accounts for fewer than 10% of all cases of renal FMD.

  • Collagen deposition occurs in the intima of the vessels.

  • Internal elastic lamina may be disrupted.

  • The lumen may be concentrically narrowed in a relatively short region, causing a ringlike stenosis on angiography, or it may be narrowed over a longer region as a smooth tubular stenosis.

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