Transcranial sonography: Brazilian experience
نویسندگان
چکیده
منابع مشابه
Transcranial sonography in movement disorders.
BACKGROUND Transcranial sonography (TCS) in the B-mode has the ability to image, infratentorial and supratentorial brain structures. For this reason, it has potential use in the diagnosis and differential diagnosis of various intracranial pathologies. METHODS AND RESULTS The authors reviewed the contribution of TCS to the differentiation of a number of neurodegenerative diseases: in parkinson...
متن کامل[Transcranial sonography in Parkinson's disease].
An abnormal hyperechogenecity of substantia nigra is thought to be the most characteristic sonographic feature in Parkinson's disease (PD). However specificity and sensitivity of the ultrasound method should be refined. Using transcranial sonography, authors have examined 168 patients with different clinical signs of parkinsonism, including 99 patients with idiopathic PD, and 56 patients withou...
متن کاملTranscranial Doppler sonography: adding to the toolbox.
rely on indirect evidence of nodal metastases. These include nodal enlargement, three or more borderline–sized nodes in a primary drainage pathway, and a nodal morphology showing a change from an elliptical to a spherical shape. The development of accurate radiologic criteria is important since 25% or more of patients presenting with head and neck cancer and no clinically palpable neck disease ...
متن کاملTranscranial sonography for diagnosis of Parkinson's disease
BACKGROUND In idiopathic Parkinson's disease (IPD) transcranial sonography (TCS) represents an alternative diagnostic method to verify clinical diagnosis. Although the phenomenon of an increased echogenicity of the Substantia nigra (SN) is well known this method is still not widly used in the diagnostic workup. Until now reliability of this method is still a matter of debate, partly because dat...
متن کاملTranscranial Doppler sonography in fulminant hepatic failure.
UNLABELLED The clinical course of patients with fulminant hepatic failure (FHF) is often worsened by the presence of cerebral edema and endocranial hypertension. In spite of the multiple studies using Transcranial Doppler Sonography (TCDS), few have shown the cerebral blood flow (CBF) pattern among patients with encephalopathy resulting from FHF. OBJECTIVE Our objective was to characterize th...
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ژورنال
عنوان ژورنال: Arquivos de Neuro-Psiquiatria
سال: 2012
ISSN: 0004-282X
DOI: 10.1590/s0004-282x2012000400021