Figure 18-1 Right radial motor nerve conduction studies, demonstrating conduction block when the nerve was stimulated at the axilla and Erb’s point, recording over the extensor digitorum communis. “Sp. Grove”…
Figure 20-1 Cross-sectional ultrasound image taken at the fibular head. The fibular head (white arrow). Hypoechogenic cyst (blue arrow). The peroneal nerve is not readily identified in this image. Figure…
Figure 11-1 3-Tesla MRI of the lumbosacral plexus. Top: oblique coronal T2-weighted fast-spin echo sequence with fat saturation showing enlargement and prominent hyperintensity in the left sciatic nerve (long arrow),…
Figure 13-1 Magnetic resonance imaging scan of the lumbosacral spine. Top: Midsagittal view of lumbosacral spine with T2 (left) and T1 with gadolinium contrast (right) sequences. Arrows highlight enlarged roots…
Figure 25-1 Electron micrograph of a radial sensory nerve with numerous macrophages and Schwann cells containing non–membrane-bound lipid vacuoles (arrows). CONCLUSIONS Tangier disease is a condition characterized by severe deficiency…
Figure 23-1 A, Photomicrograph of a sural nerve frozen section immunoreacted with CD 68 to visualize macrophages. Note infiltration of the blood vessel wall (macrophages stained in brown) and subtotal…
Figure 24-1 Electron micrograph of myelinated fiber showing axonal (a) compressed by edema (o). The edema is present in a membrane bound vacuole (arrowheads) within adaxonal Schwann cell (sc) cytoplasm….
Figure 22-1 Standard 3-mm punch biopsy of skin at the distal leg (A) and distal thigh (B) stained with pan-neuronal marker anti-pgp9.5 antibody. The distal leg is devoid of any…
Figure 21-1 A, The lymphocutaneous lesion of the right wrist at presentation of illness. B, Transverse paraffin section stained with hematoxylin and eosin (H&E) demonstrating prominent granulomatous perineurial inflammation (arrow)….
Figure 15-1 A, Sagittal spoiled gradient recalled (SPGR) postgadolinium magnetic resonance imaging (MRI) scan demonstrates diffuse enlargement of the entire left brachial plexus (arrow). B, FDG-PET/CT scan demonstrated avid FDG…
