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  • Articles: DFG German National Licenses  (3)
  • Biochemistry and Biotechnology  (2)
  • Key words: Primary hyperparathyroidism  (1)
  • 1
    ISSN: 1433-0385
    Keywords: Key words: Primary hyperparathyroidism ; Thyroid resection ; Thyroid carcinoma ; Concomitant surgical procedures ; Morbidity.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung. In einer prospektiven Beobachtungsstudie nach operativer Therapie eines primären Hyperparathyreoidismus wurden die Incidenz durchgeführter Begleiteingriffe und deren Einfluß auf die Morbidität der Halsrevision analysiert. Vom 1. 8. 1987 bis 15. 10. 1995 wurden 231 Patienten operiert. Bei 16 Patienten erfolgten simultan 18 (7,8 %) abdominal-, thoraxchirurgische Operationen sowie Eingriffe bei Weichgewebstumoren und bei 133 Patienten (57,6 %) Schilddrüsenresektionen unterschiedlichen Ausmaßes, bei 4,8 % bestanden Schilddrüsencarcinome. Von 94,4 % aller Patienten liegen im Rahmen einer standardisierten Verlaufsbeobachtung katamnestische Daten vor (1–9 Nachuntersuchungen bei 216 Patienten). Nach den extracervicalen Begleitoperationen trat ein Hämatom nach Adrenalektomie auf. Bei Patienten mit Erstmanifestation des primären Hyperparathyreoidismus aufgrund eines solitären Nebenschilddrüsenadenoms (n = 189) stieg die Morbidität der Nebenschilddrüsenchirurgie durch eine simultane Schilddrüsenresektion an. Die Häufigkeit eines permanenten Hypoparathyreoidismus war ferner von der Anzahl intraoperativ identifizierter Epithelkörperchen abhängig. (Permanenter Hypoparathyreoidismus: cervicaler Ersteingriff mit alleiniger Nebenschilddrüsenexploration 2,2 %, mit simultaner Schilddrüsenresektion 6,5 %; nach früherer Schilddrüsenresektion und alleiniger Nebenschilddrüsenexploration 0 %, nach simultaner Schilddrüsenresektion 28,6 %; bei intraoperativer Nachweisbarkeit von 4 Epithelkörperchen 3,1 %, bei Nachweisbarkeit von weniger als 4 Epithelkörperchen 8,2 %). Die erhöhte Morbidität der Nebenschilddrüsenchirurgie durch eine simultane Schilddrüsenresektion ist gerechtfertigt, da nicht bekannte Schilddrüsencarcinome potentiell kurativ behandelt werden könnten.
    Abstract: Schlüsselwörter: Primärer Hyperparathyreoidismus – Schilddrüsenresektion – Schilddrüsencarcinom – Begleiteingriffe – Morbidität. Die operative Therapie des primären Hyperparathyreoidismus ist bei hoher Erfolgsrate risikoarm. Es erscheint daher naheliegend, im Bedarfsfall die Exploration der Nebenschilddrüsen mit anderen Operationen zu kombinieren.
    Notes: Summary. A prospective follow-up study was undertaken in patients undergoing surgical therapy for primary hyperparathyroidism to establish the frequency of concomitant surgical procedures and their influence on the morbidity of cervical exploration. From 1 August 1987 to 15 October 1995, 231 patients underwent cervical exploration for primary hyperparathyroidism. In 16 patients 18 (7.8 %) concomitant abdominal and thoracic surgical procedures as well as surgical interventions for soft-tissue tumors were performed. A total of 133 patients (57.6 %) underwent thyroid resections of varying extent; 4.8 % had carcinoma of the thyroid. Catamnestic data were obtained on the basis of a standardized follow-up in 94.4 % of all patients (1–9 follow-up examinations in 216 patients). Hematoma occurred after adrenalectomy in a patient undergoing a concomitant extracervical procedure. In patients with a first manifestation of primary hyperparathyroidism due to a solitary parathyroid adenoma (n = 189), an increase in the morbidity of parathyroid surgery performed in combination with a thyroid resection was observed. Furthermore, a relationship was established between the number of intraoperatively identified parathyroid glands and the incidence of permanent hypoparathyroidism (permanent hypoparathyroidism: initial cervical intervention with parathyroid exploration alone, 2.2 %; with concomitant thyroid resection, 6.5 %; after secondary thyroid resection and parathyroid exploration alone, 0 %; after concomitant thyroid resection, 28.6 %; four parathyroid glands identified intraoperatively, 3.1 %; fewer than four parathyroid glands identified, 8.2 %). The increase in the morbidity of parathyroid surgery in combination with thyroid resection is justifiable, because unsuspected thyroid carcinomas can potentially be treated curatively.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: A database of DNA fingerprint profiles from permanently established human and animal cell lines was prepared with a computer program originally designed for numerical taxonomy of bacteria. Identifications of cell line DNA profiles were performed, both by the Pearson product-moment correlation coefficient and by band matching. Under the conditions used the Pearson product-moment correlation coefficient was consistently more reliable.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: At day 11 of gestation, embryos and their extraembryonic tissues were isolated from the uterus of Him OF1/SPF mice and incubated in Dulbecco's modified Eagle's medium (DMEM) containing L-[35S]methionine. After 4 h of incubation, the embryos were dissected to obtain the heart, liver, limb buds, and brain. The latter was fragmented into the telencephalon, mesencephalon, and myelencephalon. These organs and the extraembryonic tissues such as chorion, yolk sac, and placenta were processed for two-dimensional (2-D) gel electrophoresis. About 1000 proteins with relative molecular weights (Mr) varying from 10 000 to 200 000 and isoelectric points ranging from 4 to 10 could be detected on these gels. The protein patterns of the various organs and tissues were analyzed for organ- and cell lineage-specific protein spots. We detected subtle differences in the protein patterns of the three cerebral areas when compared to each other. In addition, we found protein spots characteristic for the entire brain. We also found several heart-specific protein spots. Distinct protein synthesis was also detected in liver and limb buds. Several groups of protein spots seem to be differentially regulated in these organs. Substantial differences between the patterns of embryonic and extraembryonic tissues were observed. In addition, several clusters of protein spots of well-defined molecular weight could be detected only in extraembryonic tissues. We propose that organ- and tissue-specific differences in protein synthesis are linked to some of the morphogenetic and functional processes during mammalian embryogenesis. Identification of particular proteins will serve as a basis to search for the corresponding genes.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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