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Biomedical subjects

C L Wan

Publications and source records attributed to C L Wan.

4 recordsLinked to original sources

Decreased levels of apolipoprotein A-I in plasma of schizophrenic patients.

This study aims to identify the effects of antipsychotics on plasma proteins, and on the proteins associated with schizophrenia. We applied proteomics technology to screen protein aberrations in Sprague-Dawley rats treated with antipsychotics and schizophrenic patients undergoing medication. ApoA-I was found significantly increased in the chlorpromazine-treated rats and decreased in the patients with treatment-resistant schizophrenia, which suggest that decreased levels of apoA-I might be associated with the pathology of schizophrenia and that chlorpromazine increases apoA-I levels as part of its therapeutic action.

Adult↗

A case of demyelinating disease with clinical and radiological features mimicking cerebral tumor.

Demyelinating disease may present with clinical and radiological features mimicking brain tumor. A 43-year-old man was admitted because of progressive right hemiparesis, facial weakness and dysarthria. Computed tomographic scans revealed two expansive lesions in the left frontal lobe and midbrain, respectively. A brain tumor or metastatic lesion was suspected. The patient underwent left frontal craniotomy and the surgical biopsy revealed a demyelinating process. The patient, however, had a poor response to steroid treatment and died two months later. The possible nature of demyelinating disease in this case is discussed.

Adult↗

Cryptococcal infection presenting with lumbosacral polyradiculopathy: report of a case.

Cryptococcal infection presenting primarily as lumbosacral polyradiculopathy is rare. We report on a 57-year-old man with lumbosacral polyradiculopathy, and in which a culture from the cerebrospinal fluid grew Cryptococcus neoformans. A serum cryptococcal antigen study showed a positive reaction. Biopsy specimens from the spinal nerve rootlet showed evidence of arachnoiditis and direct involvement of the nerve root by Cryptococcus neoformans. It is important to remember that localized lumbosacral polyradiculopathy can be the sole initial manifestation of cryptococcosis.

Cryptococcosis↗