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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European archives of oto-rhino-laryngology and head & neck 255 (1998), S. 325-330 
    ISSN: 1434-4726
    Keywords: Key words Skin expansion ; Ultrasonic knife ; Water ; jet ; Microvasculature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Certain reconstructive procedures, like auricular reconstructions, require thin and well-vascularized skin. The aims of this study were to analyze if the increased survival of expanded skin flaps was due to morphologic changes of the dermis, if thinning of short-time expanded skin was possible without harm to the microcirculation and if tissue selective cutting methods could be used to resect subcutaneous fat without damaging its vessels. Eighty-two 200-ml expanders were implanted into the trunk regions of 26 beagles and filled immediately with sterile saline. In the first series of experiments, the expansion was terminated after intervals of 0.5–5 weeks and dermal vessels were analyzed morphometrically. In the second series the expanded flaps were raised after 2 weeks and thinned solely surgically or with the additional use of an ultrasonic knife or with cutting by water jet. In contrast to sham flaps, the expanded skin showed only very few areas of necrosis and these were located superficially in most cases. The relative volume of the dermal vessels and their quantity showed a significant increase after the expansion. Additionally, the subcutaneous tissue could be thinned down to 0.4 mm with the water-jet-cutter. Findings demonstrated that the method used could create a well-vascularized skin flap of minimal thickness that could be very helpful for special reconstructive procedures.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1433-0458
    Keywords: Schlüsselwörter Lymphknotenschwellungen ; Differentialdiagnose ; Key words Cervical lymphadenopathy ; Differential diagnosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Cervical lymphadenopathies are widespread diseases in otorhinolaryngology. There are many differential diagnoses which have to be considered when swelling persists. To gain further information it is advisable to perform sonographically controlled fine needle aspiration biopsy (FNP). If there is no reliable result, it is necessary to remove a lymph node. We report on the rare case of isolated histiocytosis X in lymph nodes. A 63-year-old male had noticed a swelling of the right side of the neck about 6 weeks previously. The preliminary examinations (FNP/blood examinations) revealed no pathological findings. Only the histological examination delivered the diagnosis of histiocytosis X. Systemic manifestation was excluded by staging examinations. No further therapy was necessary after lymph node extirpation. The report demonstrates how to diagnose and treat this rare disease.
    Notes: Zusammenfassung Lymphknotenschwellungen gehören zu den häufigen Erkrankungen im HNO-Bereich. Es gibt eine Reihe von Differentialdiagnosen, die bei länger bestehenden Schwellungen zu bedenken sind. Zur Gewinnung einer orientierenden Zytologie empfiehlt sich die sonographisch kontrollierte Feinnadelpunktion (FNP). Wenn diese kein sicheres Ergebnis bringt, ist eine Lymphknotenexstirpation indiziert. Wir schildern den seltenen Fall einer isoliert auftretenden Histiozytosis X des Lymphknotens. Bei einem 63jährigen männlichen Patienten war eine Schwellung rechts zervikal aufgetreten. Die Voruntersuchungen (Labor/FNP) zeigten keine pathologischen Befunde und erst durch die histologische Präparataufarbeitung konnte die Diagnose einer Histiozytosis X gestellt werden. Eine disseminierte Manifestation konnte durch eine umfassende Diagnostik ausgeschlossen werden, so daß nach erfolgter Halslymphknotenexstirpation keine systemische Therapie mehr notwendig war. Anhand der Kasuistik werden die notwendige Diagnostik und Therapieverfahren aufgezeigt.
    Type of Medium: Electronic Resource
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