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Pseudotumor cerebri (toxic effect of the "magic bullet").

A 10 year-old female patient presented to the outpatient unit of the ophthalmology department of Menelik II Hospital with complaints of inward deviation of the left eye, of three weeks' duration. The patient was on a mega dose of vitamin A 200,000 I.U. (the "magic bullet") daily for two months prior to the onset of the present illness. Physical examination revealed left sixth nerve palsy and bilateral papilloedema in an alert and oriented patient without localizing neurologic findings. The cerebrospinal fluid pressure ( > 250 mm water) was increased and skull X-ray findings were suggestive of increased intracranial pressure (IIP). This case meets the modified Dandy criteria except that a highly likely cause, hypervitaminosis A, is associated. Therefore, a diagnosis of Idiopathic Intracranial Hypertension (IIH) or Pseudotumor Cerebri was made. This disorder and its management is discussed and literature reviewed. The serious and potentially blinding toxic effect of Vitamin A, if consumed in excessive amounts, is emphasized.

Abducens Nerve↗

Magic Johnson and children's conceptions of AIDS.

Longitudinal data for a heterogeneous sample of 609 elementary school children are used to assess the long-term effects of Magic Johnson's announcement on children's HIV and AIDS conceptions. Four hypotheses are tested concerning these relationships, and background variables measured prior to Johnson's announcement are controlled. Findings suggest that Johnson's announcement increased children's HIV and AIDS knowledge and reduced their prejudice toward a hypothetical child with AIDS. No relationship is evident between the announcement and perceived vulnerability to HIV and AIDS. Males are more likely to be aware of Johnson's announcement, but its effects are more pronounced among blacks. Findings from the present research affirm the potential for celebrities like Johnson in HIV and AIDS education campaigns directed toward children.

Acquired Immunodeficiency Syndrome↗

Correlation of high-resolution magic angle spinning proton magnetic resonance spectroscopy with histopathology of intact human brain tumor specimens.

High-resolution magic angle spinning proton (HRMAS 1H) magnetic resonance spectroscopy produces well-resolved spectra of metabolites from intact tissue specimens. Here we report the results of a preliminary study of 19 human brain tumors obtained by applying this method. Among these 19 cases were 2 low-grade astrocytomas, 1 anaplastic astrocytoma, 8 glioblastomas, 6 meningiomas, and 2 schwannomas. In addition, autopsy human brain tissues from two subjects without any known neurological diseases were used as normal controls. The HRMAS 1H magnetic resonance spectroscopy measurements were performed at 2 degrees C on a 400-MHz NMR spectrometer with a HRMAS speed of 2.5 kHz. From these HRMAS 1H MR spectra, we measured the concentrations of 11 metabolites, the ratios of 15 metabolites (resonances) to creatine (at 3.03 ppm), and the spin-spin relaxation time for these metabolites (resonances). Our results indicate that these parameters have the potential to characterize tumor types and grades with statistical significance as well as identify tumor biochemical characteristics. In particular, we found that compared with metabolite concentrations and metabolite spin-spin relaxation time, the metabolic ratios presented the highest sensitivity in differentiating normal tissue from tumors, as well as in distinguishing between tumor groups. Of 15 analyzed metabolic ratios, 12 showed statistical significance in differentiating normal tissue from low-grade and anaplastic astrocytomas, 13 showed statistical significance in differentiating normal tissue from glioblastomas, 14 showed statistical significance in differentiating normal tissue from schwannomas, and 9 showed statistical significance in differentiating normal tissue from meningiomas. Moreover, our results strongly indicate that the resonance ratio of inositol (at 4.05 ppm) to creatine may help distinguish tumor type. Our results suggest that the HRMAS method for intact tissue measurement may function as an adjunct to histopathology and contribute to improved accuracy for brain tumor diagnoses.

Amino Acids↗

Past and present herbs used to treat cancer: medicine, magic, or poison?

PURPOSE/OBJECTIVES: To provide an overview of the past and present use of herbs, thereby dispelling the belief that herbs are secret cancer remedies unknown to or ignored by the biomedical community. DATA SOURCES: Historical and current pharmacy, medical, and nursing literature. DATA SYNTHESIS: More than 3,000 species of herbs used in treating cancer since 2838 BC are known to biomedicine, yet popular lay literature persists in perpetrating the myth that medicine has ignored the potential uses of herbs. Secrecy about herbs has been fashionable since the Middle Ages. Magical and virtuous herbs, named in a book of secrets from that age, are examined for their historical and current use in cancer treatment. Popular unproven herbs, as well as proven herbs used in chemotherapy, also are discussed. CONCLUSIONS: Greater accessibility to information about the use of herbs historically, popularly, and currently would help dispel the secrecy, giving healthcare professionals and patients and opportunity to make informed choices. IMPLICATIONS FOR NURSING PRACTICE: Nurses with knowledge of herbs can be valuable resources to patients and professional colleagues. Members of the professional community (nurses, doctors, pharmacists, and social workers) need to take collegial responsibility in informing each other and their patients about herbs, including their potential risks, possible benefits, and antidotes for overdose.

Humans↗

[Magical thought].

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Humans↗