in addition to the previously well-described abnormalities of the mitral and aortic valves in several types of mucopolysaccharide storage disease , we report patchy involvement in some cases , 3 instances of asymmetric septal hypertrophy not previously reported in mucopolysaccharide storage diseases , cardiac involvement in half of our patients with sanfilippo syndrome and a lack of age-related severity of cardiac involvement even within the specific syndromes .
C0003501
aortic valves
C0018787
cardiac