Comprehensive investigation in motor neuron disease is vital not to miss a treatable differential diagnosis. Neuroborreliosis should be considered during an ALS work-up. However, false-positive CSF results do occur, and thus, results should be interpreted carefully in context of all clinical test results.
Keywords: ALS mimic; El Escorial; motor neuron disease; muscle atrophy; neuroborreliosis.
© 2019 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.