Symptom Information: Sort according to HPO 

1
 (HPO:0000250) Dense calvaria 6 / 7739
2
 (HPO:0000280) Coarse facial features 189 / 7739
3
 (HPO:0000365) Hearing impairment 539 / 7739
4
 (HPO:0000664) Synophrys 112 / 7739
5
 (HPO:0000718) Aggressive behavior 109 / 7739
6
 (HPO:0000752) Hyperactivity 140 / 7739
7
 (HPO:0000900) Thickened ribs 9 / 7739
8
 (HPO:0000943) Dysostosis multiplex 22 / 7739
9
 (HPO:0001007) Hirsutism 91 / 7739
10
 (HPO:0001249) Intellectual disability 1089 / 7739
11
 (HPO:0001250) Seizures 1245 / 7739
12
 (HPO:0001387) Joint stiffness 322 / 7739
13
 (HPO:0001640) Cardiomegaly 81 / 7739
14
 (HPO:0001670) Asymmetric septal hypertrophy 19 / 7739
15
 (HPO:0001744) Splenomegaly 337 / 7739
16
 (HPO:0002014) Diarrhea 225 / 7739
17
 (HPO:0002159) Heparan sulfate excretion in urine 12 / 7739
18
 (HPO:0002208) Coarse hair 58 / 7739
19
 (HPO:0002240) Hepatomegaly 467 / 7739
20
 (HPO:0002344) Progressive neurologic deterioration 27 / 7739
21
 (HPO:0002360) Sleep disturbance 113 / 7739
22
 (HPO:0002788) Recurrent upper respiratory tract infections 31 / 7739
23
 (HPO:0003309) Ovoid thoracolumbar vertebrae 6 / 7739
24
 (OMIM) Coarse facies, mild 3 / 7739
25
 (OMIM) Clear cornea 6 / 7739
26
 (OMIM) Hepatomegaly, mild 8 / 7739
27
 (OMIM) Mild splenomegaly 6 / 7739
28
 (OMIM) Dysostosis multiplex, mild (in some patients) 5 / 7739
29
 (OMIM) Slowing mental development by 1.5 to 3 years of age 3 / 7739
30
 (OMIM) Severe behavioral problems at age 3-4 years 1 / 7739
31
 (OMIM) N-acetyl-alpha-D-glucosaminidase deficiency in fibroblasts 1 / 7739
32
 (HPO:0000007) Autosomal recessive inheritance 2538 / 7739
33
 (HPO:0003621) Juvenile onset 105 / 7739