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Nomenclature for ASMD, adapted from [7].
| Historical Classification | Recommended Nomenclature |
|---|---|
| Niemann–Pick disease type A (NPD A) |
Infantile neurovisceral ASMD (ASMD Type A) |
| Intermediate or variant phenotype (NPD A/B) |
Chronic neurovisceral ASMD (ASMD Type A/B) |
| Niemann–Pick disease type B (NPD B) |
Chronic visceral ASMD (ASMD Type B) |
ASMD, acid sphingomyelinase deficiency; NPD, Niemann–Pick disease.
