Back to Search
Start Over
Isolated Hand Weakness in Cortical Infarctions
- Source :
- Journal of the Formosan Medical Association, Vol 105, Iss 10, Pp 861-865 (2006)
- Publication Year :
- 2006
- Publisher :
- Elsevier BV, 2006.
-
Abstract
- Isolated hand weakness due to stroke is infrequently observed, and often misdiagnosed as peripheral lesions. This study investigated the clinical and radiologic profiles in such patients. Five men and one woman were studied. All patients underwent cranial magnetic resonance imaging (MRI) to confirm the diagnosis. Four patients had uniform weakness and the other two had either differential radial or ulnar weakness, respectively. MRI showed acute infarctions involving the hand knob area of the primary motor cortex (M1) in five patients and the postcentral gyrus sparing the precentral gyrus in one patient. Two patients with uniform digit weakness had additional involvement of the inferior parietal lobule. These findings suggest that isolated or predominant hand weakness in patients with cerebral infarctions is not necessarily caused by lesions in the M1 knob area, and that the control center of hand movement is not limited to the knob area alone.
- Subjects :
- Adult
Male
Weakness
Diagnosis, Differential
medicine
Humans
hand weakness
Stroke
Aged
Retrospective Studies
Medicine(all)
lcsh:R5-920
Muscle Weakness
primary motor cortex
medicine.diagnostic_test
Postcentral gyrus
business.industry
Motor Cortex
Precentral gyrus
Magnetic resonance imaging
Inferior parietal lobule
Cerebral Infarction
General Medicine
Anatomy
Middle Aged
Hand
medicine.disease
Magnetic Resonance Imaging
Numerical digit
Disease Progression
Female
cortical infarctions
medicine.symptom
Primary motor cortex
lcsh:Medicine (General)
business
Follow-Up Studies
Subjects
Details
- ISSN :
- 09296646
- Volume :
- 105
- Database :
- OpenAIRE
- Journal :
- Journal of the Formosan Medical Association
- Accession number :
- edsair.doi.dedup.....67ec39ae96e2d243ec153448d95923c1