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Biomedical subjects

R D Rollinson

Publications and source records attributed to R D Rollinson.

9 recordsLinked to original sources

Postanoxic action myoclonus (Lance-Adams syndrome) responding to valproate.

A patient with postanoxic action myoclonus (Lance-Adams syndrome) was severely disabled with this movement disorder. Valproate sodium was administered orally, with complete resolution of the myoclonus. This favorable response has been maintained for two years. Excessive yawning, the only side effect encountered, was dose related and was abolished with the addition of pimozide to the drug regimen.

Adult

Transient global amnesia--a review of 213 cases from the literature.

TGA is a clearly recognisable clinical syndrome with many and varied aetiologies, the most ubiquitous being transient cerebral ischaemia. This entity is probably much more common than the literature suggests, many patients not coming to the attention of a physician due to the transient nature of the isolated memory defect and the risk of recurrence being low, it is of interest that many of the original patients described tended to be the more prominent members of the community, e.g. physicians and relatives of physicians, perhaps suggesting that the occurrence of TGA in such a person is less likely to pass unnoticed. In the differential diagnosis one should include the following: transient cerebral ischaemia, epilepsy, migraine, temporal lobe encephalitis, psychogenic fugues, post-traumatic, and rarely cerebral neoplasms.

Adult

Bilateral optic neuritis in childhood.

A 12-year-old male presented with a one-day history of visual failure. The clinical features were consistent with bilateral optic neuritis. Treatment with prednisolone resulted in visual function returning to normal. Bilateral optic neuritis in childhood is an uncommon condition. The aetiological factors differ from those of the adolescent and adult with optic neuritis. The childhood condition is not associated with the high risk of developing demyelination disease at some later stage.

Child

Primary hyperparathyroidism presenting as a proximal myopathy.

A 46-year-old female presented with a three year history of progressive weakness. Asymptomatic apart from proximal myopathy, multi channel screening and radiological features indicated primary hyperparathyroidism with severe metabolic bone disease. Removal of a parathyroid adenoma led to improvement of muscle strength and regression of bony and metabolic changes.

Adenoma