Results: 3

1.
Figure 1

Figure 1. From: The Essential Tremors: A Family of Neurodegenerative Disorders?.

Kinetic tremor is apparent in an ET patient’s drawing of an Archimedes spiral.

Elan D. Louis. Arch Neurol. ;66(10):1202-1208.
2.
Figure 2

Figure 2. From: The Essential Tremors: A Family of Neurodegenerative Disorders?.

The heterogeneity in ET may be organized by (1) disease etiology, (2) tissue-level changes that occur after the disease process is initiated and as it develops, and (3) clinical features that are the end product of these underlying pathological processes. Here is one such possible schema.

Elan D. Louis. Arch Neurol. ;66(10):1202-1208.
3.
Figure 3

Figure 3. From: The Essential Tremors: A Family of Neurodegenerative Disorders?.

When quantified using different methods, Purkinje cell loss in ET is significant compared to age-matched controls. Bielschowsky-stained section (50× magnification) of the cerebellar cortex in a 79 year old ET case showing normal Purkinje cellularity (right) vs. a region with segmental loss of Purkinje cells (left).

Elan D. Louis. Arch Neurol. ;66(10):1202-1208.

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