C	C99068	Pulmonary Surfactant Metabolism Dysfunction-1	Surfactant Protein B Deficiency	Surfactant Apoprotein B Deficiency	An autosomal recessive condition caused by mutation(s) in the SFTPB gene, encoding pulmonary surfactant-associated protein B. It is characterized by severe respiratory distress-like illness and responds poorly to exogenous administration of surfactant.		C99067	Surfactant Protein Deficiency			C99147	Neonatal Research Network Terminology	
C	C3222	Medulloblastoma	Medulloblastoma		A malignant, invasive embryonal neoplasm arising from the cerebellum or posterior fossa. It occurs predominantly in children and has the tendency to metastasize via the cerebrospinal fluid pathways. Signs and symptoms include truncal ataxia, disturbed gait, lethargy, headache, and vomiting. There are four histologic variants: classic medulloblastoma, large cell/anaplastic medulloblastoma, desmoplastic/nodular medulloblastoma, and medulloblastoma with extensive nodularity.	A rapidly progressive cancer of the brain that originates in the cerebellum.	C3268	Nervous System Neoplasm			C99147	Neonatal Research Network Terminology