Figure 1 A and B(Patient's brain MRI) : A: Image of craniocerebral DWI cross-sectional scan revealed a signal at the right side of the medulla oblongata(white arrows); B: the corresponding ADC showing a low signal involving pyramidal tracts and reticular structures (white arrows).

Figure 2 [21] A and B (Pattern diagram of Medulla): A: Neurons and fiber bundles involved in dorsolateral medullary injury; B: The distribution of respiratory neurons in the medulla.