Images obtained in 23-year-old female patient evaluated for headache.
A, T1-weighted axial MR image through the parotid gland (P). Arrow, spinal cord; arrowheads, mandibular rami.
B, Diffusion-weighted MR image through the same level demonstrating manually defined regions of interest over the parotid gland (P) and spinal cord (arrow).
C, ADC map with manually defined regions of interest over the parotid gland (P) and spinal cord (arrow).