Fig. 1

Imaging features of the patient with severe CNS angiostrongyliasis. A & e Chest CT scan reveals diffuse nodules and infiltrates in bilateral lung lobes; b & f MRI DWI sequence reveals scattered high signal intensity lesions in the brain parenchyma and around the ventricles; c & g MRI axial FLAIR sequence shows scattered high signal lesions around the ventricles; d & h MRI axial T2 sequence shows the fourth ventricle and the temporal horns of bilateral ventricles are significantly dilated