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Table 1 Criteria sensory neuronopathy (SN) as proposed by Camdessanché et al. [7]

From: Progressive sensory ataxia and breast implant rupture, an uncommon presentation of a debated concept: a case report

A—Possible SN if score > 6,5

 (a) Ataxia in the lower or upper limbs at onset or full development

3.1

 (b) Asymmetrical distribution of sensory loss at onset or full development

1.7

 (c) Sensory loss not restricted to the lower limbs at full development

2.0

 (d) At least 1 SNAP absent or 3 SNAP < 30% of the lower limit of normal in the upper limbs, entrapment neuropathies excluded

2.8

 (e) < 2 nerves with abnormal motor nerve conduction studies in the lower limbs

3.1

B—Probable SN if score > 6,5 AND (a) AND ((b) or (c))

 (a) The initial workup does not show biochemical or electrophysiological findings excluding SN

 (b) The patient has one of the following:

  i. diagnosis of cancer within 5 years

  ii. cisplatin treatment

  iii. Detection of onconeural AB

  iv. diagnosis of an HIV infection

  v. Sjögren’s syndrome

 (c) MRI shows T2-hyperintensity in the posterior column of the spinal cord

C—Definite SN pathological demonstration of dorsal root ganglia degeneration trough biopsy