Figure 63-1 Thermoregulatory sweat distribution test, including the face. Areas with normal sweating are in purple. Areas with loss of sweating lack the purple color. Upper frame, before treatment; the…
Figure 43-1 Nerve conduction studies from a case of pork workers’ associated polyradiculopathy. Peroneal motor nerve conduction study (top): note prolonged distal latency at the ankle (A2) (normal <6.6 ms)…
Figure 61-1 Beat-to-beat blood pressure responses to Valsalva maneuver are shown for both an age- and gender-matched control subject (top) and our patient with DBH deficiency (bottom). The control study…
Figure 60-1 A, Photomicrograph of sural nerve biopsy, paraffin-embedded, cross-section stained with hematoxylin and eosin. There is a prominent subperineurial, hypercellular focus within one of the nerve fascicles. B, Photomicrograph…
Figure 57-1 A, F-18 fluorodeoxyglucose positron emission tomography scan reveals hypermetabolic lesions in the right humerus and thoracic (T9) vertebral body, on maximal intensity projection images. B, Improvement in the…
Figure 35-1 Brain magnetic resonance imaging scans in axial and coronal view, which demonstrate increased T2 signal in cerebral white matter, distributed diffusely and symmetrically throughout the centrum semiovale and…
Figure 47-1 Nerve conduction studies before (A and B) and after 18 months of treatment (C). A, Nerve conduction study of left tibial nerve. Conduction block with 80% reduction after…
Figure 56-1 A and B, T1-weighted magnetic resonance imaging scan with gadolinium demonstrates diffuse pachymeningeal enhancement. The patient has a history of hypertension, probable coronary artery disease, and previous episodes…
Figure 51-1 Zinc toxicity and copper deficiency: Excretion of copper into the gastrointestinal tract is the major pathway that regulates copper homeostasis and prevents deficiency or toxicity. Excessive zinc ingestion…
Figure 29-1 T1-weighted sagittal magnetic resonance imaging (MRI) scan of the cranicervical junction (left) showing marked atrophy of the entire spinal cord without associated signal abnormality, and T2-weighted sagittal MRI…
