Niemann-Pick Disease, Type B

**Definition:** An allelic disorder of TYPE A NIEMANN-PICK DISEASE, a late-onset form. It is also caused by mutation in SPHINGOMYELIN PHOSPHODIESTERASE but clinical signs involve only visceral organs (non-neuropathic type).

**Tree numbers:** - C10.228.140.163.100.435.825.700.750 - C15.604.250.410.625.750 - C16.320.565.189.435.825.700.750 - C16.320.565.398.641.803.730.750 - C16.320.565.595.554.825.700.750 - C18.452.132.100.435.825.700.750 - C18.452.584.563.641.803.730.750 - C18.452.648.189.435.825.700.750 - C18.452.648.398.641.803.730.750 - C18.452.648.595.554.825.700.750

**Synonyms:** - Niemann-Pick Disease, Non-Neuronopathic Type - Niemann-Pick's Disease Type B - Type B Niemann-Pick Disease - Niemann-Pick Disease, Visceral