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Fig. 1 | BMC Neurology

Fig. 1

From: Clinical features and dysfunctions of iron metabolism in Parkinson disease patients with hyper echogenicity in substantia nigra: a cross-sectional study

Fig. 1

Grades of SN echogenicity by Transcranial ultrasound. Grade I: the same as brainstem; Grade II: with scattered points and thin lines slightly stronger than brainstem; Grade III: with patches of moderate echogenicity but weaker than brain pool; Grade IV: with patches of hyper echogenicity as the same as brain pool; Grade V: with patches of hyper echogenicity stronger than brain pool.

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BMC Neurology

ISSN: 1471-2377

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