The existence of a purely sensory Guillain–Barre syndrome (GBS) is controversial, although diagnostic criteria are established and several sensory GBS cases have been reported.1–5 The reported cases always show some motor weakness or abnormalities in motor nerve conduction study (NCS).1–4 These cases seem to be predominantly rather than purely sensory GBS. We report two patients with acute, symmetric, monophasic sensory neuropathy, who had nearly complete recovery. They showed neither motor weakness nor abnormalities in motor NCS. Based on the clinical, CSF, and electrophysiologic features, these two cases of neuropathy might be considered two purely sensory GBS. One week before admission, a 43-year-old woman developed tingling sensations of the distal lower limbs that extended to all limbs over 2 to 3 days. She subsequently had a markedly unsteady gait and clumsiness in her upper limbs. She experienced nonspecific flu-like symptoms for 1 week before the tingling sensation began. Her neurologic evaluation was remarkable for ataxic …