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1.
Arq Neuropsiquiatr ; 58(4): 1138-41, 2000 Dec.
Article in Portuguese | MEDLINE | ID: mdl-11105087

ABSTRACT

We report the case of a 42-year-old woman with a racemous cystecercus in the right cerebellopontine angle (CPA), who presented with bilateral trigeminal neuralgia. The parasite was completly removed via a right suboccipital craniotomy. On the first postoperative day, the patient indicated that the pain disappeared. The neuralgia was caused by two probable mechanisms: a distortion of the brain stem and compression of the nerve against an arterial loop at the entry zone or arachnoiditis caused by the parasite in the both CPA cisternae. This case demonstrates the advisability of obtaining imaging studies in all patients with trigeminal neuralgia before starting any management. We must always remind that the cysticercus may be a differential diagnosis of CPA lesions.


Subject(s)
Cerebellar Diseases/parasitology , Cerebellopontine Angle/parasitology , Neurocysticercosis/complications , Trigeminal Neuralgia/parasitology , Adult , Cerebellar Diseases/diagnosis , Cerebellar Diseases/surgery , Female , Humans , Magnetic Resonance Imaging , Neurocysticercosis/diagnosis , Neurocysticercosis/surgery , Tomography, X-Ray Computed , Trigeminal Neuralgia/diagnosis , Trigeminal Neuralgia/surgery
2.
Arq. neuropsiquiatr ; 58(4): 1138-41, Dec. 2000.
Article in Portuguese | LILACS | ID: lil-273859

ABSTRACT

Descrevemos o caso de uma paciente de 42 anos portadora de cisticerco racemoso na regiäo do ângulo ponto-cerebelar (APC) direito com trigeminalgia bilateral mais intensa no lado ipsilateral à localizaçäo do parasita. O cisticerco foi totalmente removido por meio de craniotomia suboccipital. No primeiro dia pós-operatório houve desaparecimento bilateral da dor. Duas hipóteses fisiopatológicas foram aventadas para explicar a sintomatologia: lesöes que ultrapassam os limites da cisterna do APC poderäo através da cisterna pré-pontina alcançar a cisterna do APC atingindo o trigêmeo contralateral; lesöes com grande efeito de massa poderäo provocar rotaçäo do tronco cerebral e deslocamento e traçäo de estruturas ipsi e contralaterais, provocando compressäo arteriovenosa sobre o trigêmeo contralateral na porççÒo superior da cisterna do APC. Salientamos a necessidade de exames de imagem ante qualquer algia craniofacial e observamos que, em lesöes na regiäo do APC, a cisticercose näo pode ser esquecida


Subject(s)
Humans , Female , Adult , Cerebellar Diseases/parasitology , Cerebellopontine Angle/parasitology , Neurocysticercosis/complications , Trigeminal Neuralgia/parasitology , Cerebellar Diseases/diagnosis , Cerebellar Diseases/surgery , Magnetic Resonance Imaging , Neurocysticercosis/diagnosis , Neurocysticercosis/surgery , Tomography, X-Ray Computed , Trigeminal Neuralgia/diagnosis , Trigeminal Neuralgia/surgery
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