Cysticercosis Mimicking Brain Neoplasm

Michael, Alexander S.; Levy, Joseph M.; Paige, Milton L.

doi:10.1097/00004728-199009000-00005

Cited by 18 publications

(7 citation statements)

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“…Neurocysticercosis can simulate a primary brain neoplasm on CT and MRI. 21 One of the two cases described by Michael et al 21 consisted of a ring-enhancing nodule surrounded by edema, similar to the case we described above. The noncontrast magnetic resonance images in these two cases showed edema surrounding a region isointense with gray matter, characteristic of a primary neoplasm.…”

Section: Discussionsupporting

confidence: 63%

“…Neuroimaging has been a useful adjunct to diagnosis, although patients with solitary intraparenchymal cysts may have clinical and radiologic findings suggestive of a neoplasm. 1,4,[20][21][22]30,38 From a pathologic standpoint, the diagnosis is generally not problematic.…”

Section: Background: Cysticercosis Is the Most Common Parasitic Infecmentioning

confidence: 99%

“…Mimicry of neoplasia by parasitic infection has been observed radiologically, 2,11,21,23,27 but this phenomenon has rarely been reported by pathologists. 23 …”

Section: Background: Cysticercosis Is the Most Common Parasitic Infecmentioning

confidence: 99%

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Cerebral Cysticercosis Mimicking Malignant Glioma

Silver

Erozan

Hruban³

1996

Acta Cytologica

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Section: Discussionsupporting

confidence: 63%

Section: Background: Cysticercosis Is the Most Common Parasitic Infecmentioning

confidence: 99%

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Cerebral Cysticercosis Mimicking Malignant Glioma

Silver

Erozan

Hruban³

1996

Acta Cytologica

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“…O diagnóstico diferencial no achado tomográfico de lesão cística cerebral inclui outras lesões parasitárias do SNC (equinococose, por exemplo), neoplasias primárias e metastáticas, tuberculomas, infecções fúngicas e lesões císticas benignas [16][17][18][19][20][21] .…”

Section: Discussionunclassified

Forma tumoral de neurocisticercose: relato de caso

Filho

Castro

Vieira

et al. 2002

Arq. Neuro-Psiquiatr.

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RESUMO -Relata-se um caso de neurocisticercose por cisto gigante (3,9 x 3,4 cm), onde havia manifestações clínicas de hipertensão intracraniana e características de imagem na tomografia computadorizada de crânio de processo expansivo com efeito de massa no sistema nervoso central (SNC). Comenta-se a possibilidade da forma tumoral dessa parasitose ter apresentação clínica e radiológica semelhante à de outros processos expansivos do SNC e enfatiza-se a conduta cirúrgica como forma de tratamento e confirmação diagnóstica. PALAVRAS-CHAVE: neurocisticercose, cisticercose, sistema nervoso central. Tumoral form of neurocysticercosis: case reportABSTRACT -The authors report a case of neurocysticercosis by giant cyst (3.9 x 3.4 cm), where there were clinical manifestations of increased intracranial pressure and characteristics of image in computed tomography of cranium of expansive process with mass effect in central nervous system (CNS). They comment the possibility of the tumoral form of this disease having clinical and radiological presentation similar to other expansive processes of CNS and stress the surgical procedure as a form of treatment and diagnostic confirmation. Neurocisticercose (NC) é a infecção do sistema nervoso central (SNC) pela forma larvária (Cysticercus cellulosae) da Taenia solium. Representa um grave problema de saúde pública, particularmente nos países em desenvolvimento, onde as condições sanitárias e sócio-econômicas precárias aliam-se para perpetuar sua disseminação 1 . É uma doença pleomórfica, que assume várias formas de apresentação e evolução clí-nicas, na dependência do número, localização, tamanho, fase evolutiva e tipo de cisticerco e da reação imune individual do hospedeiro 2,3 . Hipertensão intracraniana (HIC) ocorre em 11-51% dos casos de NC 1,2,[4][5][6][7] , originada pela formação de cistos gigantes intraparenquimatosos (forma tumoral), hidrocefalia ou edema cerebral difuso, em decorrência de grande quantidade de cistos e/ou reação meningítica 4 . Na forma tumoral da doença, que corresponde a 22-67% das formas hipertensivas [8][9][10] , o cisticerco ocupa espaço no parênquima encefálico, exercendo efeito de massa e provocando manifestações clínicas de HIC 2,4,11 .Os critérios diagnósticos da NC, restritos a mero achado macroscópico até o início do século XX, evoluíram com o surgimento dos métodos sorológicos e com o advento da tomografia computadorizada (TC) e do exame de ressonância magnética (RM), que tornaram viável o diagnóstico dos pacientes ainda em vida 1,2 . A TC tem sido muito importante no diagnósti-co de NC parenquimatosa, fornecendo dados significativos a respeito da localização e da atividade da doença 12 . Devido às suas características especiais de morbidade e mortalidade, as formas de NC em que se desenvolve HIC requerem tratamento cirúrgico 4 . O objetivo do estudo é relatar um caso de neurocisticercose cerebral por cisto gigante, em que havia manifestações clínicas de HIC e características de imagem de processo expansivo com efeito de massa no SNC. CASOUma pacien...

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“…The differentiation of DPNCC from other brain diseases is therefore considered to be the most difficult problem in the diagnosis of parenchymal neurocysticercosis (13 , 14). Michael et al (14) reported two cases of DPNCC who had undergone surgery after pre -operative diagnosis of a brain tumor. In the two surgical cases in this study , pre -operative diagnosis was also a brain tumor ; one was a metastasis and the other was a glioma.…”

Section: Discussionmentioning

confidence: 99%

MR Findings of Degenerating Parenchymal Neurocysticercosis

Lee

Chung

Yang

et al. 1996

J Korean Radiol Soc

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Purpose: To evaluate MR imag i ng findings of degenerating parenchymal neurocysticercosis and to determine the characteristics which distinguish it from other brain diseases .Methods : MR imagings of 19 patients (56 lesions) of degenerating parenchymal neurocysticercosis were retrospectively evaluated , focusing on the size and location of lesions, signal intensity patterns of cyst fluid and wal l. the extent of the surround ing edema and features of contrast enhancement .Results: Degenerating parenchymal neurocysticercosis was located in gray or subcortical white matter in 89.3% of 56 lesions{50/ 56); most of these (98.2%) were smallerthan 2cm in diameter. Cyst fluid signal was hyperintense relativeto CSF on T1 and proton density weighted images (92.9%). A hypointensesignal rim of the cyst wall was noted i n the lesions on proton density (92.9%) and T2 weighted (98.2%) images . Surrounding edema was mostly mild. Peripheral rim enhancement was noted in all lesions , and this was frequently irregular and lobulated (67.9%) with a focal defect in the enhancing rim (41.1 %) .Conclusion: Findings which could be helpf 비 in distinguishing degenerating parencymal neurocysticercosis from other brain diseases are as follows: small , superficiallesions ; hyperintense signal of the cyst fluid on T1 and proton density weighted images; hypointense signal of the cyst wall on proton density and T2 weighted images; relatively mild extent of surrounding edema , and peripheral rim enhancement which is frequently irregular and lobulated with a focal defect in the enhancing rim.

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Cysticercosis Mimicking Brain Neoplasm

Cited by 18 publications

References 0 publications

Cerebral Cysticercosis Mimicking Malignant Glioma

Cerebral Cysticercosis Mimicking Malignant Glioma

Forma tumoral de neurocisticercose: relato de caso

MR Findings of Degenerating Parenchymal Neurocysticercosis

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