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1.  Steroid-responsive encephalopathy in autoimmune thyroiditis: Clinical spectrum and MRI observations in three cases 
Hashimoto's encephalopathy (H.E.) is probably of autoimmune etiology, and manifests with seizures, stroke-like episodes, cognitive decline, neuropsychiatric symptoms, myoclonus. It is presumed to be autoimmune in origin with high serum titers of antithyroid peroxidase antibodies (anti-TPA). Thyroid function might often be normal. The diagnosis is arrived at by excluding other toxic, metabolic and infectious causes of encephalopathies, supportive clinical profile, elevated thyroid antibodies and optimum steroid response. We present the characteristic phenotypic manifestations, magnetic resonance imaging and electroechography observations and response to immunomodulation with follow-up in three cases of H.E. All the three cases manifested with subacute to chronic progressive encephalopathy, cerebellar dysfunction, seizures, behavioral abnormalities and oculomotor disturbances and had evidence of hypothyroidism, elevated titers of anti-TPA and positive thyroid anti-microsomal antibodies. Atypical and uncommon presentations are known. This report emphasizes that a high index of suspicion is often required in cases with “investigation negative encephalopathy” for early diagnosis of H.E.
doi:10.4103/0972-2327.85897
PMCID: PMC3200047  PMID: 22028537
Antithyroid peroxidase antibodies; Hashimoto's encephalopathy
2.  Accidental spinal cord injury during spinal anesthesia: A report 
doi:10.4103/0972-2327.74200
PMCID: PMC3021935  PMID: 21264140
3.  Myasthenia gravis and acetylcholine receptor antibodies: A clinico immunological correlative study on South Indian patients 
Acquired myasthenia Gravis (MG), a disorder of impaired neuromuscular transmission is recognized as an autoimmune disorder, with a majority of the patients having antibodies against acetylcholine receptor (AChR antibodies) in the serum.
Aim and Objectives:
To correlate the AChR antibody status with the clinical characteristics of patients with myasthenia gravis.
Study Design:
Retrospective and prospective study.
Materials and Methods:
This study was carried out in patients with definite MG, attending the Neurology services of the National Institute of Mental Health and Neurosciences, Bangalore, India, during the period 1999-2003. The AChR antibody status was determined using the direct and indirect enzyme linked immunosorbent assay (ELISA) technique.
Results:
There were 165 patients in this study (M : F :: 1.5 : 1). The overall seropositivity rate was 59.4%. Seropositive patients had higher age of onset and presentation, and more frequent occurrence of crises, both at presentation and at any time during the course. Other parameters, viz. gender of the patient, Osserman staging, thymic enlargement on CT and remission during follow-up did not differ between the two groups.
Conclusion:
This communication reports the result of AChR antibody assay in a large cohort of patients, using a simple diagnostic tool, namely direct and indirect ELISA technique. In addition, the characteristics of a large cohort of patients with seronegative myasthenia gravis are described.
doi:10.4103/0972-2327.44560
PMCID: PMC2771985  PMID: 19893681
AChR antibodies; enzyme linked immunosorbent assay; myasthenia gravis; seronegative myasthenia Gravis

Results 1-3 (3)