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  • Anatomy  (2)
  • Key words Laryngeal anatomy  (1)
  • Supraglottic larynx  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Borders and topographic relationships of the paraglottic space (1997)
    Springer
    European archives of oto-rhino-laryngology and head & neck 254 (1997), S. 193-195 
    Details
    ISSN: 1434-4726
    Schlagwort(e): Larynx ; Anatomy ; Paraglottic space ; Cancer extensions
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The precise topographic relationships of the paraglottic space (PGS) were investigated in serial plastinated or frozen whole-organ sections of 46 normal adult larynges. Laterally, the PGS was bordered by the thyroid cartilage. Superomedially, the PGS in some specimens was only separated from the periepiglottic space by a coherent collagenous fiber septum. The paraglottic adipose tissue extended between the caudal fibers of the thyroarytenoid muscle. Inferomedially, the PGS was bordered by the conus elasticus. The anteroinferior portion of the PGS extended beyond the larynx beneath the inferior rim of the thyroid cartilage. Posteroinferiorly, the paraglottic adipose tissue extended towards the cricoarytenoid joint. Dorsally, the PGS was bordered by the mucosal lining of the piriform sinus. Due to the intimate topographic and histologic relationships present, cancer involving the PGS may rapidly infiltrate all adjacent anatomic structures.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00879272
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Topographical anatomy and oncologic implications of the anterolateral surface of the arytenoid cartilage (1998)
    Springer
    European archives of oto-rhino-laryngology and head & neck 255 (1998), S. 140-142 
    Details
    ISSN: 1434-4726
    Schlagwort(e): Key words Laryngeal anatomy ; Arytenoid cartilage ; Cancer extensions
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The normal topographic relationships of the anterolateral surface of the arytenoid cartilage (ALSAC) were reinvestigated with special regard to possible implications involving the extensions of local cancer. Serial plastinated whole-organ sections of 34 normal adult larynges were examined. A cartilaginous crest subdivided the ALSAC into a cranial triangular fossa and a caudal oblong fossa and provided attachment to the lateral fibers of the vocal cord. The thyroarytenoid muscle was mainly anchored within the oblong fossa, but a few lateral muscle fibers extended further cranial ward along the ALSAC. The triangular fossa was the area of fixation of the vestibular ligament and was filled with adipose tissue as well as mucous glands grouped together by strong collagenous fiber septa. These septa revealed a craniocaudal orientation medially and a horizontal anteroposterior orientation laterally. These findings suggest that the septa guide early local cancer extension parallel to their own arrangement, acting as barriers that cannot be easily crossed. Correspondingly, cranial and horizontal-lateral cancer spread along the ALSAC has been reported in the clinical literature.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s004050050031
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  • 3
    Digitale Medien
    Digitale Medien
    Anatomical considerations of closure of the laryngeal vestibule during swallowing (1997)
    Springer
    European archives of oto-rhino-laryngology and head & neck 254 (1997), S. 410-412 
    Details
    ISSN: 1434-4726
    Schlagwort(e): Supraglottic larynx ; Anatomy ; Physiology ; Deglutition
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Morphologic correlates of physiologic closure mechanisms of the laryngeal vestibule were investigated in plastinated serial sections of 25 normal adult larynges. The anterior part of the laryngeal vestibule was seen to be bounded by the epiglottis and the thyroepiglottic ligament medially, and by lateral extensions of the periepiglottic adipose tissue laterally. The posterior part of the laryngeal vestibule was bordered by the aryepiglottic folds. Morphologically, the periepiglottic space and the aryepiglottic folds were completely separated by several transversely oriented collagenous fiber layers attached to the thyroid perichondrium laterally. This may suggest a corresponding functional separation, as described previously in the literature. Closure of the anterior part of the laryngeal vestibule during swallowing is probably related to the lowering of the epiglottis, with both depending on pressure exerted onto the periepiglottic adipose tissue. Closure of the posterior part of the laryngeal vestibule is most likely related to closure of the rima glottidis, with both depending on adduction of the arytenoid cartilage.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02439969
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