Isaacs Syndrome in A Patient with Positive CASPR2 And LGI1 Antibodies: A Case Report and Literature Review

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Article Type:
Case Report (دارای رتبه معتبر)
Abstract:

Isaacs Syndrome (IS) is an autoimmune disease characterized by fasciculations, dysautonomia, and hyperactivity of muscle fibers due to hyperexcitability of the peripheral nerve system. Patients with IS often express voltage-gated potassium channels (VGKCs), contactin-associated protein 2 (CASPR2), and leucine-rich glioma- inactivated protein (LGI1) antibodies. Slower rates of grouped fasciculation, known as myokymia, are a common presentation in IS patients. Recently, carbamazepine has been considered as the first-line treatment to alleviate the symptoms of IS patients. In this report, the authors present a case of a female patient with ramps and unintended movements in the abdomen and both lower limbs. She was diagnosed with IS after the detection of myokymia in the needle electromyography (EMG) and a positive paraneoplastic panel for CASPR2 and LGI antibodies. The patient is now symptom-free due to the administration of Carbamazepine, Gabapentin, and Baclofen. Additionally, due to her potential risk for solid tumors, she is under regular follow-up.

Language:
English
Published:
Case Reports in Clinical Practice, Volume:8 Issue: 5, Sep-Oct 2023
Pages:
217 to 222
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