This syndrome shows similarities with Marfan syndrome and Ehlers-Danlos syndrome. Aneurysms of the aorta appear, often already in childhood. Due to the weak arterial wall, dissections of the aorta can also occur at an early age.
Aneurysms and dissections can also occur in other arteries. If the disease is not diagnosed early, children are in great danger because aneurysms tend to rupture more quickly in childhood.
https://en.wikipedia.org/wiki/Loeys%E2%80%93Dietz_syndrome ([1])
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