scholarly journals Traumatic callosotomy

1992 ◽  
Vol 50 (3) ◽  
pp. 365-368 ◽  
Author(s):  
Arthur Cukiert ◽  
Monica S. Haddad ◽  
Antonio Mussi ◽  
Raul Marino Jr
Keyword(s):  
Corpus Callosum ◽  
Disconnection Syndrome ◽  
Epileptic Syndrome ◽  
Epileptic Woman ◽  
Radiological Studies ◽  
Ct And Mri ◽  
Traumatic Impact

In a 33 years-old epileptic woman with a traumatic impact to the vertex, clinical and radiological studies (skull X-R, CT and MRI) disclosed an extensive, callosal section under the topography of the falx, associated to frontonasal contusions. There was a significant improvement in the epileptic syndrome. No interhemispheric disconnection syndrome could be determined, which is compatible with the posterior regions of the corpus callosum having been spared. This is, to the best of our knowledge, the most extensive callosal injury documented by MRI to date.

Callosal disconnection syndrome after ischemic stroke of the corpus callosum due to meningococcal meningitis: A case report

2016 ◽  
Vol 369 ◽  
pp. 119-120 ◽  
Author(s):  
Nicola A. Marchi ◽  
Radek Ptak ◽  
Corinne Wetzel ◽  
Maria I. Vargas ◽  
Armin Schnider ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Case Report ◽  
Corpus Callosum ◽  
Meningococcal Meningitis ◽  
Disconnection Syndrome

scholarly journals Disconnection Syndrome and Verbal, Spatial and Tactile Amnesia following a Tumor of the Splenium of the Corpus Callosum

1990 ◽  
Vol 3 (2) ◽  
pp. 65-75
Author(s):  
Marina Scarpa ◽  
Paolo Sorgato
Keyword(s):  
Corpus Callosum ◽  
Test Performance ◽  
Short Term Memory ◽  
Long Term Memory ◽  
Term Memory ◽  
Disconnection Syndrome ◽  
Amnesic Syndrome ◽  
Topographical Disorientation ◽  
Tactile Memory

A patient with a severe amnesic syndrome following a glioma of the splenium of the corpus callosum is reported. The long-term memory deficit involved anterograde as well as retrograde events dating back to 40 years and causing topographical disorientation. Short-term memory test performance was in the normal range, with the exception of tactile memory which was severely impaired. The patient also showed disconnection symptoms, due to severing of occipito-parietal and parieto-temporal connections, while parieto-parietal connections were undamaged.

Post-traumatic haemorrhage in corpus callosum: A case study of disconnection syndrome

Brain Injury ◽  
1993 ◽  
Vol 7 (4) ◽  
pp. 363-366 ◽  
Author(s):  
G. Deloche ◽  
B. Bussel ◽  
A. Tougeron ◽  
P. Denis ◽  
B. Viteau
Keyword(s):  
Corpus Callosum ◽  
Disconnection Syndrome ◽  
Post Traumatic

scholarly journals Clinical Features, Etiology, and 6-Month Prognosis of Isolated Corpus Callosum Infarction

2019 ◽  
Vol 2019 ◽  
pp. 1-9 ◽  
Author(s):  
Zhiyong Zhang ◽  
Xiufeng Meng ◽  
Wei Liu ◽  
Zunjing Liu
Keyword(s):  
Corpus Callosum ◽  
Clinical Features ◽  
Clinical Symptoms ◽  
Good Prognosis ◽  
Control Group ◽  
Large Artery ◽  
Term Outcome ◽  
Disconnection Syndrome ◽  
Friendship Hospital ◽  
Common Etiology

As the largest subcortical commissural fiber, the corpus callosum plays an important role in cerebral functions and has abundant blood supply from bilateral circulation. Isolated corpus callosum infarction (ICCI) may have specific characteristics. The aim of the study is to evaluate the clinical features, etiology, and 6-month prognosis of ICCI. Consecutive patients with acute ICCI treated at the China-Japan Friendship Hospital between June 2012 and June 2016 were retrospectively assessed for clinical and imaging findings. These cases were compared with patients suffering from other isolated supratentorial subcortical infarctions, matched for age, sex, and infarction size (n=60; control group). ICCI etiology and 6-month prognosis were further analyzed. ICCI cases accounted for 2.9% (33/1125) of all acute ischemic strokes and 30 patients were included. Most patients (n=28, 93.3%) presented nonspecific clinical symptoms, and only two (6.7%) with diffuse infarction developed callosal disconnection syndrome (CDS). The splenium was the most frequent site (37.5%). Large artery atherosclerosis (LAA) (n=16, 53.3%) was the most common etiology. Only four (13.3%) patients developed transient ischemic attacks (n=1, 3.3%) or cerebral infarction (n=3, 10%) during the 6-month follow-up. The frequency of good prognosis (modified Rankin score of 1-2 and without cardiovascular events) was higher in patients with ICCI compared with controls (P=0.024). Poor prognosis was associated with multiple cerebrovascular stenosis, diffuse/large infarction, and diabetes (all P<0.05). ICCI is a rare stroke type, frequently involving the splenium; its common etiology is likely LAA. Most patients show nonspecific symptoms, with only a few developing CDS. ICCI generally shows favorable short-term outcome.

A Disconnection Syndrome Due to Agenesis of the Corpus Callosum: Disturbance of Unilateral Synchronization

Cortex ◽  
2006 ◽  
Vol 42 (3) ◽  
pp. 356-365 ◽  
Author(s):  
Akira Midorikawa ◽  
Mitsuru Kawamura ◽  
Rieko Takaya
Keyword(s):  
Corpus Callosum ◽  
Disconnection Syndrome

scholarly journals Neurorehabilitation of alexia without agraphia - a case report

2018 ◽  
Vol 71 (9-10) ◽  
pp. 309-313
Author(s):  
Gordana Tomic ◽  
Jelena Nikolic ◽  
Silvana Punisic ◽  
Misko Subotic ◽  
Jasna Zidverc-Trajkovic
Keyword(s):  
Case Report ◽  
Corpus Callosum ◽  
Oral Reading ◽  
Reading Ability ◽  
Chronic Hypertension ◽  
Temporal Region ◽  
Auditory Comprehension ◽  
Disconnection Syndrome ◽  
Reading Technique ◽  
The Right

Introduction. Alexia without agraphia is an impairment of reading ability. Speech, auditory comprehension, repetition and writing are relatively intact. Due to a damage of the splenium of corpus callosum, alexia without agraphia is considered to be an interhemispheric disconnection syndrome. Case Report. We presented a 71-year-old male, with chronic hypertension, diabetes mellitus and dyslipidemia. The magnetic resonance imaging showed a lesion in the left medial temporal region, including the equilateral thalamus, posterior cingulate gyrus, splenium of corpus callosum, lingual occipital gyrus, and the tail of the hippocampus. Lacunar ischemia was found on the right side of cerebellum. The neuro-linguistic diagnostic protocol included the Mini Mental State Examination, Boston Diagnostic Aphasia Examination, Boston Naming Test and phonemic and category fluency tests. We have also designed a clinical protocol for color recognition assessment. The results showed a mild cognitive impairment related to the time and space orientation, delayed memory and reading. On the speech and language levels, a severe acquired alexia without agraphia was registered which was not associated with other language modalities. Conclusion. The neuro-linguistic tests and clinical techniques provide a rather reliable diagnostic criteria, which is the basis for neuro-rehabilitation. The rehabilitation protocol refers to training techniques: tactile-kinesthetic recognition of graphemes and application of various reading techniques, such as letter-by-letter reading, Multiple Oral Re-reading, melodic intonation therapy and oral reading technique in order to facilitate rehabilitation of reading.

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