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  • Title: [An analysis of clinical and imaging characteristics of atopic myelitis].
    Author: Zhang W, Li X, Ren L, Jiao J.
    Journal: Zhonghua Nei Ke Za Zhi; 2015 Mar; 54(3):205-9. PubMed ID: 26269442.
    Abstract:
    OBJECTIVE: To study the clinical and imaging characteristics of Chinese atopic myelitis (AM) patients. METHODS: Three diagnosed AM patients were retrospectively analyzed for the clinical data, serum IgE level, antigen specific IgE, cerebrospinal fluid, spinal MRI and therapeutic efficacy profiles. RESULTS: All the three patients were male and presented as subacute AM with the onset at 25, 47 and 49 years old respectively. Two patients were allergic to pollen and other drugs, while another patient suffered from allergic rhinitis. Elevated serum total IgE and mite antigen specific IgE were found in all cases. Paraesthesia in limb extremities and positive Lhermitte sign were the main clinical features, while no optic, motor, urinary and defecation disturbance were found. Oligoclonal banding of cerebrospinal fluid and serum aquaporin 4 (AQP4) antibody were both negative in all cases. Spinal MRI showed lesions were hypointense on T1 and hyperintense on T2 at the posterior column of T2-3 segment with abnormal enhancement in case 1, hypointense on T1 and hyperintense on T2 at C2/3 segment with mild swelling in case 2 and hypointense on T1 and hyperintense on T2 at C3-5 segments with swelling and abnormal enhancement in case 3. Vitamin B were used in one patient, while the other two patients improved after the treatment with high-dose corticosteroids. CONCLUSIONS: Subacute myelitis predominantly presents as paraesthesia in limb extremities with elevated serum total IgE and mite antigen specific IgE, while severe motor disorders are rare. Swelling and abnormal enhancement lesions at the posterior column of cervical cord are the common imaging features. Treatment with corticosteroids is recommended to be sustained for 3-6 months.
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