A Toxic Condition of Undetermined Cause

Ischaemic stroke of undetermined cause

www.thelancet.com/neurology Vol 14 September 2015 871 The defi nition of cryptogenic stroke or stroke of undetermined origin is aff ected by the current knowledge of the cause and pathogenesis of stroke and by the availability, comprehensiveness, quality, and timeliness of the ancillary investigations undertaken to discover the cause of the stroke. In The Lancet Neurology, Linxin Li and colleag...

Chronic polyneuropathy of undetermined cause.

The case histories of 519 patients with peripheral neuropathy on whom sural nerve biopsy had been performed were reviewed. In 67 patients (50 males, 17 females) (13%) who had symptoms of a symmetrical polyneuropathy for more than one year, the cause remained undiagnosed in spite of intensive investigation. Patients with inflammatory neuropathy were not included, but represented 17% of the whole...

Immunological study of chronic polyneuropathies of undetermined cause.

Paralysis of the diaphragm after pneumonia and of undetermined cause.

Unilateral paralysis of the diaphragm not due to some obvious cause such as neoplasm or pulmonary tuberculosis has been said to be uncommon (Freedman, 1950). I present 16 such cases found during two years in a chest clinic. My purpose is to show that this is a comparatively common condition and that it may be caused by simple pulmonary inflammation (referred to in this paper as pneumonia). Clin...

Anti-GQ1b ganglioside antibody and ophthalmoplegia of undetermined cause.

BACKGROUND/AIM Serum antibody against ganglioside GQ1b is reported to be closely associated with immune mediated ophthalmoplegia in the Fisher and Guillain-Barré syndromes. Its presence against glycolipids, in particular ganglioside GQ1b, was investigated in patients with ophthalmoplegia of unknown origin. METHODS 16 patients with ophthalmoplegia, the cause of which could not be confirmed fro...