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Epidemic meningococcal meningitis in an adult, with death on the fifth day of illness (spinal cord section)

Section of the spinal cord, showing the purulent exudate on the surface, more marked posteriorly and involving the anterior and posterior nerve roots. (Source: Koplik H. The diseases of infancy and childhood designed for the use of students and practitioners of medicine. Fourth edition. Philadelphia and New York: Lea & Fibinger, 1918. Image edited and restored by Dr. Douglas J Lanska.)

Associated Disorders

  • asplenia
  • deficiency of a terminal complement component (C5-9)
  • deficiency of properdin