Funnel trachea
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Funnel trachea is a colloquialism for congenital long-segment intrathoracic tracheal stenosis.
TheThe diameter of the trachea immediately below the cricoid is normal, and becomesbecomes progressively more stenotic caudally.The posterior, membranous portion of the trachea may be partially or completely absent. In the latter case, the tracheal cartilage takes on a ring-like form.
The trachea is normally funnel-shaped in the neonatal period.
-<p><strong>Funnel trachea</strong> is a colloquialism for congenital long-segment intrathoracic <a href="/articles/tracheal-stenosis" title="tracheal stenosis">tracheal stenosis</a>. </p><p> The diameter of the <a href="/articles/trachea">trachea </a>immediately below the <a href="/articles/cricoid">cricoid </a>is normal, and becomes becomes progressively more stenotic caudally. The posterior, membranous portion of the trachea may be partially or completely absent. In the latter case, the tracheal cartilage takes on a ring-like form. -</p><p>The trachea is normally funnel-shaped in the neonatal period.-</p>- +<p><strong>Funnel trachea</strong> is a colloquialism for congenital long-segment intrathoracic <a href="/articles/tracheal-stenosis">tracheal stenosis</a>. </p><p>The diameter of the <a href="/articles/trachea">trachea </a>immediately below the <a href="/articles/cricoid">cricoid </a>is normal, and becomes becomes progressively more stenotic caudally. The posterior, membranous portion of the trachea may be partially or completely absent. In the latter case, the tracheal cartilage takes on a ring-like form. </p><p>The trachea is normally funnel-shaped in the neonatal period.</p>
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