Spontaneous regression of retinoblastoma in identical twins.
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چکیده
منابع مشابه
Spontaneous regression of retinoblastoma in identical twins.
Spontaneous regression of retinoblastoma is described in identical twin boys. In the one bilaterally affected child 2 tumours regressed spontaneously, while a third lesion, which developed at a later stage, required treatment in the form of a cobalt plaque. The second child showed spontaneous regression of the single tumour in his only affected eye. The pathogenesis of spontaneous regression is...
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The common cause of simple pneumothorax is rupture of an emphysematous bleb or bulla. The aetiology of these is uncertain. A familial predisposition has previously been suggested' and we report the incidence of concurrent spontaneous pneumothoraces in identical twins. We have found no previous report in the English literature of concurrent spontaneous pneumothorax in identical twins treated sub...
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A 24-year-old black man was found to have bilateral, spontaneously regressed retinoblastoma that had previously been misdiagnosed as post-traumatic chorioretinal scarring. His son and half-brother both had bilateral viable retinoblastoma. The ophthalmoscopic and fluorescein angiographic features of this patient's fundus lesions included a calcified, whitish mass located centrally in one of the ...
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monozygotic twins are genetically identical individuals who can also be mirror image twins and the differences between them result from environmental factors. current study, monozygotic twins were analyzed in different dentitions of primary, mixed and permanent. as a conclusion, although genetic factors are naturally potent, environmental factors’ role can be increased and weaken the genetic fa...
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Narcolepsy has been observed in chronic encephalitis, cerebral arteriosclerosis, brain tumour, and following trauma, but when these cases are excluded there remains a group without demonstrable brain pathology. The existence of this idiopathic group has been a controversial subject. Among the more impressive evidence is that suggesting a hereditary factor in idiopathic narcolepsy. To date this ...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 1982
ISSN: 0007-1161
DOI: 10.1136/bjo.66.11.691