Marieke van Rosmalen

Chapter 4 68 Table 4.5 Patient characteristics of patients with CIDPwho did not fulfil diagnostics criteria on NCS and without ultrasound abnormalities Patient Male/female Clinical presentation NCS 1 Male Symmetrical weakness in proximal and distal arm and leg muscles; loss of vibration, touch and position sense in arms and legs; areflexia CMAP ↓ right median, right peroneal and left tibial nerve. ↑ DML bilateral median nerves. ↓ SNAP bilateral median, ulnar, radial and sural nerves. 2 Male Asymmetrical weakness in proximal and distal right arm muscles and right leg muscles; loss of vibration sense distal from knees; low reflexes in the arms, areflexia in the legs CMAP ↓ bilateral median, right ulnar, bilateral peroneal and left tibial nerve. ↑ DML bilateral median nerves. Normal SNAP’s. 3 Male Asymmetrical weakness in proximal and distal right arm; tremor; loss of vibration sense in feet; areflexia. CMAP ↓ right median nerve. ↑ DML left median nerve. ↓ SNAP bilateral median and sural nerves. 4 Male Symmetrical weakness in proximal and distal leg muscles; fluctuating pain in legs; loss of vibration sense in feet; areflexia CMAP ↓ right peroneal and left tibial nerve. ↑ DML right median and left ulnar nerve. ↓ SNAP bilateral sural nerves. 5 Male Symmetrical weakness in extensor hallucis longus muscle; loss of vibration and touch sense in feet up to the knees; low reflexes in the arms, areflexia in the legs. CMAP ↑ left median, bilateral ulnar and peroneal, right tibial nerve. ↑ DML right median nerve. ↓ SNAP bilateral median, right ulnar, left tibial, bilateral sural.