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Biomedical subjects

R Yacobi

Publications and source records attributed to R Yacobi.

10 recordsLinked to original sources
PubMed1991

Ewing's sarcoma: metastatic tumor to the jaw.

Metastatic tumors to the jaw are a rare occurrence. The incidence of metastatic Ewing's sarcoma to the jaw has been reported to be less than 2% of all cases of Ewing's sarcoma. Early detection of such lesions is difficult because the signs and symptoms do not appear until the lesion has progressed considerably. The treatment options are therefore limited to palliative care of the patient rather than cure. This article reports a case of Ewing's sarcoma that had metastasized to the mandible and reviews the literature.

Carboplatin↗
PubMed1991

The effect of tricyclic antidepressants on cortex- and amygdala-kindled seizures in the rat.

The anticonvulsant effects of amitriptyline, imipramine, nortriptyline and desipramine were tested against focal and generalized seizures, triggered from either the amygdala or the cortex in fully kindled rats. Tests were administered on a 72- or a 24-hour schedule. Significant seizure suppression was achieved with only one drug, amitriptyline, and it occurred only at toxic or near-toxic doses. The differential, low-dose suppression of amygdala-kindled seizures, reported in earlier studies, was not seen in the present experiments. It may occur only in the short-interval test paradigms used by previous experimenters.

Amygdala↗
PubMed1991

Melanotic neuroectodermal tumour of infancy. A case report.

Melanotic neuroectodermal tumour of infancy is a rare neoplasm of neural crest origin, predominantly affecting the anterior maxilla of infants. Treatment generally consists of surgical excision. Long-term follow-up is important since recurrence and malignant transformation have been reported. The literature about melanotic neuroectodermal tumour of infancy is reviewed and a case occurring in a 4-month old infant is presented.

Humans↗
PubMed1990

Composite resin short-post technique for primary anterior teeth.

A technique using a "mushroom shaped" composite resin short post constructed inside the pulp-treated root canal provides sufficient retention to build a composite resin crown on the reinforced superstructure of the remaining crown dentin. This technique was tested for 1 year in 92 teeth; they showed no failures of retention of the short post. Recurrent caries and severe bruxism--factors beyond operator control--posed some problems that were readily resolved.

Child, Preschool↗
PubMed1989

Cheilitis glandularis: a pediatric case report.

Cheilitis glandularis is a rare disorder, usually affecting the lower lip of adults. This case involved both lips of an adolescent male. A familial history of the condition may have contributed to the involvement of both lips, and may reinforce the importance of hereditary tendency in the development of cheilitis glandularis. Emotional disturbance and poor oral hygiene also had a role in the disorder in this case, which was successfully treated with surgery.

Cheilitis↗