Limits...
Digit and letter alexia in carbon monoxide poisoning.

Shen Q, Rong X, Pan R, Peng Y, Peng W, Tang Y - Neural Regen Res (2012)

Bottom Line: The results revealed that the patient exhibited digit and letter alexia, while the ability to read Chinese characters was preserved.Following treatment, reading and writing ability was improved and electroencephalographic abnormalities were ameliorated.Overall, our experimental findings demonstrated that delayed encephalopathy following acute carbon monoxide poisoning was characterized by digit and letter alexia.

View Article: PubMed Central - PubMed

Affiliation: Department of Neurology, Zengcheng People's Hospital, Zengcheng 511300, Guangdong Province, China.

ABSTRACT
This study examined a 24-year-old patient with delayed encephalopathy, who was admitted to hospital with complaints of headache and visual impairment 1 week after acute carbon monoxide poisoning. The results of a visual field assessment, electroencephalography and head magnetic resonance imaging indicated damage to the cerebral cortex. After a 2-week treatment period, the patient had recovered from the visual impairment, but exhibited digit- and letter-reading difficulty. The Chinese aphasia battery and the number and letter battery supplement were conducted. The results revealed that the patient exhibited digit and letter alexia, while the ability to read Chinese characters was preserved. In contrast, the patient exhibited a deficit in Chinese character writing, while number and letter writing remained intact. Following treatment, reading and writing ability was improved and electroencephalographic abnormalities were ameliorated. Overall, our experimental findings demonstrated that delayed encephalopathy following acute carbon monoxide poisoning was characterized by digit and letter alexia.

No MeSH data available.


Related in: MedlinePlus

Brain imaging examination.T2-weighted brain magnetic resonance imaging (A) and magnetic resonance angiography (B) at 8 days after carbon monoxide intoxication revealed no abnormal findings. R: Right.
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Figure 2: Brain imaging examination.T2-weighted brain magnetic resonance imaging (A) and magnetic resonance angiography (B) at 8 days after carbon monoxide intoxication revealed no abnormal findings. R: Right.

Mentions: In the current study, cranial MRI did not support the diagnosis of stroke and metabolism diseases (Figure 2). The clinical history did not provide information indicating the development of alexia, except after the carbon monoxide poisoning. Successful treatment of delayed encephalopathy after acute carbon monoxide poisoning also supported the diagnosis.


Digit and letter alexia in carbon monoxide poisoning.

Shen Q, Rong X, Pan R, Peng Y, Peng W, Tang Y - Neural Regen Res (2012)

Brain imaging examination.T2-weighted brain magnetic resonance imaging (A) and magnetic resonance angiography (B) at 8 days after carbon monoxide intoxication revealed no abnormal findings. R: Right.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4308772&req=5

Figure 2: Brain imaging examination.T2-weighted brain magnetic resonance imaging (A) and magnetic resonance angiography (B) at 8 days after carbon monoxide intoxication revealed no abnormal findings. R: Right.
Mentions: In the current study, cranial MRI did not support the diagnosis of stroke and metabolism diseases (Figure 2). The clinical history did not provide information indicating the development of alexia, except after the carbon monoxide poisoning. Successful treatment of delayed encephalopathy after acute carbon monoxide poisoning also supported the diagnosis.

Bottom Line: The results revealed that the patient exhibited digit and letter alexia, while the ability to read Chinese characters was preserved.Following treatment, reading and writing ability was improved and electroencephalographic abnormalities were ameliorated.Overall, our experimental findings demonstrated that delayed encephalopathy following acute carbon monoxide poisoning was characterized by digit and letter alexia.

View Article: PubMed Central - PubMed

Affiliation: Department of Neurology, Zengcheng People's Hospital, Zengcheng 511300, Guangdong Province, China.

ABSTRACT
This study examined a 24-year-old patient with delayed encephalopathy, who was admitted to hospital with complaints of headache and visual impairment 1 week after acute carbon monoxide poisoning. The results of a visual field assessment, electroencephalography and head magnetic resonance imaging indicated damage to the cerebral cortex. After a 2-week treatment period, the patient had recovered from the visual impairment, but exhibited digit- and letter-reading difficulty. The Chinese aphasia battery and the number and letter battery supplement were conducted. The results revealed that the patient exhibited digit and letter alexia, while the ability to read Chinese characters was preserved. In contrast, the patient exhibited a deficit in Chinese character writing, while number and letter writing remained intact. Following treatment, reading and writing ability was improved and electroencephalographic abnormalities were ameliorated. Overall, our experimental findings demonstrated that delayed encephalopathy following acute carbon monoxide poisoning was characterized by digit and letter alexia.

No MeSH data available.


Related in: MedlinePlus