Pseudotumoral form of neuroschistosomiasis: report of three cases

Pseudotumoral form of neuroschistosomiasis: report of three cases

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Central Dryer Vent Grille nervous system (CSN) involvement in schistosomiasis is an ectopic manifestation with a large variety of clinical forms, including pseudotumoral, which occurs in isolated cases and is rare.Three patients with epidemiological indications of this pathology were examined; the clinical picture included lower-back pain irradiating to lower limbs, associated with progressive flaccid paraparesis and sphincterial disturbances in cases in which the spinal chord was involved; while in cases with encephalitic impairment, headache, dizziness and cerebellar syndrome, characterized by dysarthria and right-side dysgraphia, were present.Magnetic resonance imaging (MRI) showed a growing process in all cases; cerebrospinal fluid (CSF) characteristics and biological markers were compatible with neuroschistosomiasis (NS).

Biopsy of the lesions confirmed this Lacrosse - Accessories - Miscellaneous diagnosis in one case.After specific treatment with schistosomicides and corticosteroids, clinical, radiological and laboratorial improvement was observed.