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  • 2-ethoxyethanol  (1)
  • Brain metastasis  (1)
  • Multifocal tumour  (1)
  • 1
    ISSN: 1590-3478
    Keywords: Brain metastasis ; Non-seminomatous germ cell tumor of the testis ; Treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario Gli autori riportano 2 casi di metastasi cerebrali solitarie da tumore non-seminoma del testicolo. Nel primo caso il tumore era istologicamente un teratocarcinoma, nel secondo un carcinoma embrionale. Entrambi i pazienti sono stati sottoposti a chirurgia, radioterapia e chemioterapia. La sopravvivenza è stata di 42 e 72 mesi rispettivamente. Sebbene le metastasi sistemiche da tumore del testicolo siano relativamente frequenti, raramente interessano il sistema nervoso. Dall'analisi dei nostri casi e di quelli riportati in letteratura, è risultato che la sopravvivenza dei pazienti può essere migliorata da un trattamento combinato delle metastasi, comprendente la chirurgia, la radioterapia e la chemioterapia.
    Notes: Abstract The authors describe two cases of solitary cerebral metastasis from non-seminatous germ cell tumors of the testis: in the first case, the histology was teratocarcinoma; in the second, it was embryonal carcinoma. Both patients underwent surgery, whole-brain radiotherapy and chemotherapy, and are still alive and disease-free after respectively 42 and 72 months. Although systemic metastasis from tumors of the testis are relatively common, they rarely involve the nervous system. A review of our cases and those reported in the literature shows that the outcome in these patients can be improved by the combined surgical, radiological and chemotherapeutic treatment of the metastasis.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Cell biology and toxicology 14 (1998), S. 199-210 
    ISSN: 1573-6822
    Keywords: 2-ethoxyethanol ; gap junctions ; glycol ether ; 2-methoxyethanol ; myometrial cells ; uterus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The glycol ethers 2-methoxyethanol (2-ME) and 2-ethoxyethanol (2-EE) prolong gestation in rodents. Because gap junctions in the myometrium likely facilitate parturition, the present study examined inhibition of gap junctional communication by 2-ME and 2-EE in myometrial smooth-muscle cell cultures. To measure gap junctional communication, the fluorescent dye Lucifer yellow was injected into cultured cells and the transfer of the dye to adjacent cells was scored with epifluorescence microscopy. The data are presented as the percentage of cells adjacent to the microinjected cell that exhibited dye following microinjection. A 30 min treatment with 32 or 63 mmol/L 2-ME decreased dye transfer to 71% and 63%, respectively (p≤0.05; control 90%). Similarly, 2-EE inhibited dye transfer, although myometrial cells were less sensitive to 2-EE compared to 2-ME. Dye transfer returned to control levels after 2 h in the continued presence of 2-ME. The primary metabolite of 2-ME, methoxyacetic acid (MAA), had no effect on dye transfer at concentrations equimolar to 2-ME. Because 2-ME and 2-EE inhibited gap junctional communication only at high concentrations and because the inhibition reversed in the continued presence of the compounds, it is suggested that glycol ethers delay parturition by a mechanism independent of a direct action on myometrial gap junctions.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1590-3478
    Keywords: Multifocal tumour ; Multiple glioma ; Multicentric glioma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario Gli autori riportano uno studio retrospettivo su 40 pazienti affetti da tumori cerebrali multifocali e multicentrici del sistema nervoso centrale. I pazienti sono stati suddivisi in due gruppi: 1) gruppo A formato da 10 pazienti con tumore multicentrico; 2) gruppo B formato da 30 pazienti con tumore multifocale. Non si sono osservate significative differenze fra i due gruppi per quanto riguarda la durata della storia e l'incidenza dei sintomi e dei segni neurologici. La TC ha permesso una corretta diagnosi nel 90% dei casi. Tutti i pazienti sono stati sottoposti ad intervento chirurgico ed a radioterapia e 30 anche a chemioterapia. Nel gruppo A, 9 pazienti sono deceduti ed uno è stato perso al follow-up un anno dopo il trattamento. La sopravvivenza media è stata di 10 mesi dalla comparsa del tumore. Nel gruppo B, 29 pazienti sono deceduti ed uno è vivente due anni dopo il trattamento. La sopravvivenza media à stata di 6 mesi. Abbiamo trattato i problemi diagnostici e prognostici di questa patologia.
    Notes: Abstract Forty patients with multifocal and multicentric cerebral tumours were retrospectively studied. The patients were divided into two groups: ten patients with multicentric tumours (group A), and 30 patients with multifocal tumours. As far as their preoperative clinical history and the incidence of the various symptoms and signs are concerned, there were no significant differences between the two groups. CT permitted a correct diagnosis in 90% of the cases. All of the patients underwent the removal of the tumour(s) and received radiotherapy; 30 patients also received chemotherapy. In group A, nine patients died and one was lost to follow-up one year after treatment; the average survival was ten months from the appearance of the multicentric tumour. In group B, 29 patients died and one is still alive two years after treatment; the average survival was six months. We consider the problems of diagnosis and the long-term follow-up of patients.
    Type of Medium: Electronic Resource
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