We report serial MR findings in four patients with myelitis caused by visceral larva migrans
syndrome due to Toxocara canis or Ascaris suum infection. MR imaging revealed spinal
cord swelling with or without gadolinium enhancement in three patients. T2-weighted
images showed high signal intensities preferentially located in both lateral and posterior
columns. Antihelmintic and corticosteroid treatment yielded improvement in neurologic
deficits and spinal lesions. However, one patient with T. canis infection relapsed associated …