Which of the following is False regarding fibromuscular dysplasia ?
Fibromuscular dysplasia (FMD) Abnormal development or growth of cells in the walls of aeries that can cause the vessels to narrow or bulge. Most common form- Medial fibrosis Young women and affects the distal 2/3 of the main renal aery. Bilateral. The iliac aeries are the limb aeries most likely to be affected by fibromuscular dysplasia. Gross: Alternating thickened and thinned aerial walls give rise to the characteristic "sausage-string" or "string of beads" appearance (especially as seen on angiography) Histology: fibromuscular thickening of the media alternating with areas of thinning and loss of the internal elastic lamina.
Most common histologic subtype is medial fibroplasia
Mostly affects medium sized vessels
Most common in young males
String of beads appearance is seen on angiography
Hypeension