Paroxysmal Itching as a Presentation of Multiple Sclerosis

Itching

Overview

Case Presentation

A 45-year-old woman was presented with intense itching and tingling on the lower half of the body for a week. The itching resolved suddenly within a few seconds.

Medical History

  • The patient had a history of diabetes.
  • After recover from flu, the patient complained of difficulty in walking and bilateral prickling sensation in the upper limbs.
  • She had multiple admissions in the hospital for recurrent walking abnormalities and numbness and tingling of both hands which resolved after a few days.
  • Since 2 years, the patient had intermittent psychiatric symptoms including severe fatigue, aggression and loss of energy.
  • The patient had a history of falls following the signs and symptoms.
  • No history of trauma, cough or contact with a person with a chronic cough.
  • No band like sensation.
  • Non-alcoholic and non-smoker.

Clinical Exam

Her physical examination revealed:

  • Temperature: 98 °F
  • Blood pressure: 110/80 mmHg
  • Heart rate: 95 bpm
  • Respiratory rate: 19 per minute
  • Oxygen saturation: 98% on room air

Her neurological evaluation revealed:

  • Spastic quadriparesis with lower limb muscles affected more than the upper limbs
  • Reduced general sensations in the lower limbs.
  • Numbness and sensory loss in the glove and stocking pattern in the upper extremities.
  • No sign of meningeal irritation or cranial nerve deficit.

The psychopathological examination showed:

  • Reduced incitement and a slow thought process.

Her MRI revealed:

  • Multiple small rounded periventricular plaques in both hemisphere and along with the long axis of the corpus callosum (fluid-attenuated inversion recovery/FLAIR sequence)
  • Multiple fresh inflammatory areas after gadolinium enhancement.
  • MRI of the spine: Normal.

Laboratory evaluation demonstrated:

  • Negative results for hepatitis B virus, human immunodeficiency virus, syphilis, hepatitis C virus, autoimmune antibodies including antinuclear antibody, double-strand DNA antibody, phospholipid antibody, antineutrophil cytoplasmic antibody, perinuclear antineutrophil cytoplasmic antibody, and paraneoplastic syndrome.
  • Normal erythrocyte sedimentation rate and C-reactive protein.
  • The cerebrospinal fluid was positive for oligoclonal bands.

Diagnosis

The patient was diagnosed with multiple sclerosis.

Treatment

  • She was administered methylprednisolone 2 g and carbamazepine.
  • The patient experienced gradual resolution of signs and symptoms.
  • The patient was discharged on monthly natalizumab.

Follow-Up

  • The patient had clinical improvement at follow-up.

Adapted from:

  1. Kataria S, Neupene K, Ahmed Z, Rehman U, Asif S. Unusual Presentation of Multiple Sclerosis in a Middle-Aged Woman: A Case Report and Literature Review. Cureus 12(10): e11017. doi:10.7759/cureus.11017.