Table 4.
Exclusion group A. List of diseases identified as the probable etiology by review of referral documents and medical records of 150 patients with SFN
*The drugs responsible were chemotherapeutic drugs, including bortezomib, cisplatin, and thalidomide in 10 of the 15 patients; metronidazole in two of the 15 patients; and adalimumab, interferon alfa, and phenytoin in individual patients, †Systemic lupus erythematosus (n=2), psoriatic arthritis (n=2), rheumathoid arthritis (n=2), Churg-Strauss syndrome (n=1), Sjögren syndrome (n=1), unspecified connective tissue disorder (n=1), and Behçet disease (n=1), ‡Genetically verified Hereditary Sensory Neuropathy II (n=1), clinically suspected Hereditary Sensory Autonomic Neuropathy (n=1), genetically verified Spinocerebellar Ataxia 3 (n=1), and clinically suspected axonal Charcot-Marie-Tooth variant (n=1), §Familial amyloid polyneuropathy, ∥Rectal cancer, ¶Suspected based on clinical and electrophysiological data, **Suspected based on clinical data, ††Sixteen of 88 patients had multiple possible disease-associated causes simultaneously.
IGT: impaired glucose tolerance, SFN: small fiber neuropathy.