Definitive diagnosis - one or more of the following:
(1) parenchymal cyst with pathologic diagnosis
(2) MRI or CT with >= 1 parenchymal cyst(s) with >= 1 show a scolex
(3) both of the following
(3a) MRI or CT with multiple parenchymal cyst(s) without scolex
(3b) one or both of the following
(3b1) seizures (focal or generalized tonic-clonic)
(3b2) positive serum or CSF serology for T. solium
(4) multiple parenchymal cysts in different evolutive stages (vesicular, degenerative, calcified)
Probable diagnosis - one of the following:
(1) both of the following
(1a) single parenchymal calcification or vesicle without scolex OR degenerating cyst(s)
(1b) >= 2 of the following
(1b1) seizures (focal or generalized tonic-clonic)
(1b2) subcutaneous or muscle cysts confirmed by biopsy
(1b3) positive serum or CSF serology for T. solium
(1b4) plain X-ray showing cigar-shaped calcifications in skeletal muscles
(1b5) history of living or traveling frequently to an endemic country
(2) both of the following:
(2a) multiple parenchymal calcifications
(2b) history of living or traveling frequently to an endemic country
(2c) other causes of calcifications excluded
