HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Chin, S.-C. Articles by Som, P. M. Search for Related Content PubMed PubMed Citation Articles by Chin, S.-C. Articles by Som, P. M. Social Bookmarking                      What's this?

Using CT to Localize Side and Level of Vocal Cord Paralysis

¹ Department of Radiology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
² Department of Radiology, Box 1234, The Mount Sinai Hospital and School of Medicine, One Gustave Levy Pl., New York, NY 10029.

View larger version (74K): [in a new window]   Fig. 1A. —45-year-old woman with hoarseness and right recurrent laryngeal nerve paralysis who underwent axial contrast-enhanced CT. Scans show dilatation of right vallecula (arrow, A) and dilatation of right pyriform sinus (A), dilatation of right pyriform sinus and thickening and medial positioning of right aryepiglottic fold (B), and dilatation of right laryngeal ventricle (white arrow, C) and anterior positioning of right arytenoid cartilage (black arrow, C).

View larger version (78K): [in a new window]   Fig. 1B. —45-year-old woman with hoarseness and right recurrent laryngeal nerve paralysis who underwent axial contrast-enhanced CT. Scans show dilatation of right vallecula (arrow, A) and dilatation of right pyriform sinus (A), dilatation of right pyriform sinus and thickening and medial positioning of right aryepiglottic fold (B), and dilatation of right laryngeal ventricle (white arrow, C) and anterior positioning of right arytenoid cartilage (black arrow, C).

View larger version (76K): [in a new window]   Fig. 1C. —45-year-old woman with hoarseness and right recurrent laryngeal nerve paralysis who underwent axial contrast-enhanced CT. Scans show dilatation of right vallecula (arrow, A) and dilatation of right pyriform sinus (A), dilatation of right pyriform sinus and thickening and medial positioning of right aryepiglottic fold (B), and dilatation of right laryngeal ventricle (white arrow, C) and anterior positioning of right arytenoid cartilage (black arrow, C).

View larger version (93K): [in a new window]   Fig. 2A. —54-year-old man with hoarseness and right vocal cord paralysis who underwent axial contrast-enhanced CT. Scans show dilatation of right vallecula (A), dilatation of right pyriform sinus and thickening and medial positioning of right aryepiglottic fold (B), fullness of right true vocal cord and slight anterior positioning of right arytenoid cartilage (C), and right subglottic fullness (D).

View larger version (96K): [in a new window]   Fig. 2B. —54-year-old man with hoarseness and right vocal cord paralysis who underwent axial contrast-enhanced CT. Scans show dilatation of right vallecula (A), dilatation of right pyriform sinus and thickening and medial positioning of right aryepiglottic fold (B), fullness of right true vocal cord and slight anterior positioning of right arytenoid cartilage (C), and right subglottic fullness (D).

View larger version (84K): [in a new window]   Fig. 2C. —54-year-old man with hoarseness and right vocal cord paralysis who underwent axial contrast-enhanced CT. Scans show dilatation of right vallecula (A), dilatation of right pyriform sinus and thickening and medial positioning of right aryepiglottic fold (B), fullness of right true vocal cord and slight anterior positioning of right arytenoid cartilage (C), and right subglottic fullness (D).

View larger version (91K): [in a new window]   Fig. 2D. —54-year-old man with hoarseness and right vocal cord paralysis who underwent axial contrast-enhanced CT. Scans show dilatation of right vallecula (A), dilatation of right pyriform sinus and thickening and medial positioning of right aryepiglottic fold (B), fullness of right true vocal cord and slight anterior positioning of right arytenoid cartilage (C), and right subglottic fullness (D).

View larger version (53K): [in a new window]   Fig. 3A. —33-year-old woman with weak voice and left vocal cord paralysis. Axial contrast-enhanced CT scans show dilatation of right pyriform sinus (large arrow, A), thickening and medial positioning of left aryepiglottic fold (small arrow, A), dilatation of left laryngeal ventricle (arrow, B), and fullness of right true vocal cord (arrow, C).

View larger version (61K): [in a new window]   Fig. 3B. —33-year-old woman with weak voice and left vocal cord paralysis. Axial contrast-enhanced CT scans show dilatation of right pyriform sinus (large arrow, A), thickening and medial positioning of left aryepiglottic fold (small arrow, A), dilatation of left laryngeal ventricle (arrow, B), and fullness of right true vocal cord (arrow, C).

View larger version (71K): [in a new window]   Fig. 3C. —33-year-old woman with weak voice and left vocal cord paralysis. Axial contrast-enhanced CT scans show dilatation of right pyriform sinus (large arrow, A), thickening and medial positioning of left aryepiglottic fold (small arrow, A), dilatation of left laryngeal ventricle (arrow, B), and fullness of right true vocal cord (arrow, C).

View larger version (87K): [in a new window]   Fig. 3D. —33-year-old woman with weak voice and left vocal cord paralysis. Coronal reformatted CT scan shows flattening of left subglottic arch (small arrow) and dilatation of left laryngeal ventricle (large arrow).

View larger version (79K): [in a new window]   Fig. 4A. —64-year-old man with hoarseness, left vocal cord paralysis, and left-sided palatal weakness who underwent axial contrast-enhanced CT. Scans show dilated left oropharynx with thinning and atrophy of pharyngeal wall (arrow A) and dilatation of left pyriform sinus and thickening and medial positioning of left aryepiglottic fold (B).

View larger version (63K): [in a new window]   Fig. 4B. —64-year-old man with hoarseness, left vocal cord paralysis, and left-sided palatal weakness who underwent axial contrast-enhanced CT. Scans show dilated left oropharynx with thinning and atrophy of pharyngeal wall (arrow A) and dilatation of left pyriform sinus and thickening and medial positioning of left aryepiglottic fold (B).

CiteULike

Complore

Connotea

Del.icio.us

Digg

Reddit

Technorati