Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control · 2015
[Imaging characteristics of different types of cerebral cysticercosis].
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Mao De-hua, Gao Sheng, Li Yu-min
Аннотация
OBJECTIVE: To study the imaging characteristics of different types of cerebral cysticercosis.
METHODS: The CT and MRI findings of 166 patients with clinical diagnostic cerebral cysticercosis were reviewed retrospectively.
RESULTS: Among the 166 cerebral cysticercosis patients, there were 108 cerebral parenchyma type cases, 15 ventricles type cases, 3 meningeal type cases, and 40 mixed type cases according to the cysticerci being in the parts of the brain. The CT and MRI imaging characteristics of various types were as the following. (1) Brain parenchyma type included the cystoid subtype, encephalitis subtype, nodular or multiple ring enhancement subtype, and chronic calcification subtype. The cystoid subtype: CT showed single or multiple cystic shadow (s) with clear boundary, and the sac with a high density of scolex; MRI showed round long T1 and long T2 signals, eccentric punctate shadows inside the sac, cystic wall and scolex signals, but no significant enhancement. The encephalitis subtype: CT showed scattered low density lesions and MRI showed patchy slightly long T1 and long T2 signals, but no enhancement or irregular enhancement in the majority. The nodular or multiple ring enhancement subtype: CT scan showed low density lesions in multiple nodules, or CT enhancement scan showed multiple nodules or ring enhancement. The chronic calcification subtype: CT showed single or multiple dot-like high density single (s), and MRI showed equal or long T I and short T2 signals. (2) Ventricular type: The lesions were often in the third and fourth ventricles complicated with obstructive hydrocephalus. (3) Meningeal type: there were expand and asymmetric cerebrospinal space limitations, communicating hydrocephalus, and the enhanced scan showed leptomeningeal enhancement. (4) Mixed type: The performance was mixed as two or more types above mentioned, and there existed mixed acute and chronic phases.
CONCLUSIONS: The imaging findings of the different types of cerebral cysticercosis are differ from one another. The analysis of the imaging characteristics of the different types of cerebral cysticercosis has a significance for the clinical diagnosis, treatment and prognostic judgment of cerebral cysticercosis patients.
METHODS: The CT and MRI findings of 166 patients with clinical diagnostic cerebral cysticercosis were reviewed retrospectively.
RESULTS: Among the 166 cerebral cysticercosis patients, there were 108 cerebral parenchyma type cases, 15 ventricles type cases, 3 meningeal type cases, and 40 mixed type cases according to the cysticerci being in the parts of the brain. The CT and MRI imaging characteristics of various types were as the following. (1) Brain parenchyma type included the cystoid subtype, encephalitis subtype, nodular or multiple ring enhancement subtype, and chronic calcification subtype. The cystoid subtype: CT showed single or multiple cystic shadow (s) with clear boundary, and the sac with a high density of scolex; MRI showed round long T1 and long T2 signals, eccentric punctate shadows inside the sac, cystic wall and scolex signals, but no significant enhancement. The encephalitis subtype: CT showed scattered low density lesions and MRI showed patchy slightly long T1 and long T2 signals, but no enhancement or irregular enhancement in the majority. The nodular or multiple ring enhancement subtype: CT scan showed low density lesions in multiple nodules, or CT enhancement scan showed multiple nodules or ring enhancement. The chronic calcification subtype: CT showed single or multiple dot-like high density single (s), and MRI showed equal or long T I and short T2 signals. (2) Ventricular type: The lesions were often in the third and fourth ventricles complicated with obstructive hydrocephalus. (3) Meningeal type: there were expand and asymmetric cerebrospinal space limitations, communicating hydrocephalus, and the enhanced scan showed leptomeningeal enhancement. (4) Mixed type: The performance was mixed as two or more types above mentioned, and there existed mixed acute and chronic phases.
CONCLUSIONS: The imaging findings of the different types of cerebral cysticercosis are differ from one another. The analysis of the imaging characteristics of the different types of cerebral cysticercosis has a significance for the clinical diagnosis, treatment and prognostic judgment of cerebral cysticercosis patients.