Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2009
An uncommon illness with a rare presentation: neurosurgical management of ADEM with tumefactive demyelination in children.
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VanLandingham Matthew, Hanigan William, Vedanarayanan Vetta, Fratkin Jonathan
Аннотация
PURPOSE: This study determined the statewide incidence and prevalence of acute disseminated encephalomyelitis (ADEM) and examined the course of three pediatric patients treated for tumefactive demyelination (TD) at the Blair E. Batson Children's Hospital.
METHODS: Analyses of ICD-9-CM code hospital records and clinical database were conducted.
RESULTS: From 2001 through 2007 the incidence in pediatric patients under 20 years was 0.4/100,000/year, with a prevalence of 8.6/100,000 during 2008. Three patients presented with TD. Case 1 had a 3-week history of ataxia and diplopia; case 2 presented with a sudden onset of coma, while the third child had a 4-month history of increasing lethargy and clumsiness in all extremities. Cerebrospinal fluid examinations were nondiagnostic. MRI examinations revealed asymmetric T2/fluid-attenuated inversion recovery hyperintensity within the pons (case 1), a large heterogenously enhancing temporal lobe mass, with extensive edema (case 2), and multiple small brain lesions with occasional ring enhancement (case 3). In case 1, intralesional MR spectroscopy demonstrated changes consistent with ADEM. Case 2 required intracranial monitoring, and medical treatment to control elevated ICP. Cases 2 and 3 underwent cortical biopsies that revealed ADEM. All three patients improved with corticosteroid therapy. At a minimum of 15 months follow-up, cases 1 and 2 showed resolution of deficits and MRI lesions, while the third patient demonstrated additional MRI lesions and increasing paraparesis.
CONCLUSIONS: These cases demonstrate that appropriate neuroradiological evaluation, treatment of acutely elevated ICP, and brain biopsy can play critical roles in the management of children with undiagnosed ADEM and TD.
METHODS: Analyses of ICD-9-CM code hospital records and clinical database were conducted.
RESULTS: From 2001 through 2007 the incidence in pediatric patients under 20 years was 0.4/100,000/year, with a prevalence of 8.6/100,000 during 2008. Three patients presented with TD. Case 1 had a 3-week history of ataxia and diplopia; case 2 presented with a sudden onset of coma, while the third child had a 4-month history of increasing lethargy and clumsiness in all extremities. Cerebrospinal fluid examinations were nondiagnostic. MRI examinations revealed asymmetric T2/fluid-attenuated inversion recovery hyperintensity within the pons (case 1), a large heterogenously enhancing temporal lobe mass, with extensive edema (case 2), and multiple small brain lesions with occasional ring enhancement (case 3). In case 1, intralesional MR spectroscopy demonstrated changes consistent with ADEM. Case 2 required intracranial monitoring, and medical treatment to control elevated ICP. Cases 2 and 3 underwent cortical biopsies that revealed ADEM. All three patients improved with corticosteroid therapy. At a minimum of 15 months follow-up, cases 1 and 2 showed resolution of deficits and MRI lesions, while the third patient demonstrated additional MRI lesions and increasing paraparesis.
CONCLUSIONS: These cases demonstrate that appropriate neuroradiological evaluation, treatment of acutely elevated ICP, and brain biopsy can play critical roles in the management of children with undiagnosed ADEM and TD.