This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitamins and Minerals, Subject name: Biochemistry
What is the other name of Hallervorden-Spatz syndrome? 
Select and explain. 
A. Mitochondrial encephalomyopathy; Lactic acidosis; Stroke, B. Pantothenate kinase - associated neurodegeneration, C. Thiamine-responsive megaloblastic anemia syndrome, D. Riboflavin sensitive myopathy
B: Pantothenate kinase - associated neurodegeneration
Answer: B: Pantothenate kinase - associated neurodegeneration 
Explanation: Hallervorden-Spatz syndrome : Pantothenate kinase - associated neurodegeneration Rare Autosomal recessive Excessive accumulation of iron containing pigments in brain Accumulation of N-Pantothenoyl-Cysteine and Pantetheine, leading to free radical cell damage Characterized by Parkinson like features & mental retardation