Autopsy of a 14 year-old male who died in a motor vehicle accident shows many yellow spots on the inner surface of the aorta. Which of the following best describes the lesions?

(a) They are a very uncommon finding for a patient of this age.
(b)  Their distribution closely mimics that of aortic dissection
(c)  Once formed, they inevitably progress to atheromas
(d)  They show predominantly intracellular lipid accumulation 

Leading question 2 - What is the probable etiology of the above patient ?

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