AJR
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

This Article
Right arrow Abstract Freely available
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Right arrow Citation Map
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Maier, A. G.
Right arrow Articles by Lechner, G. L.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Maier, A. G.
Right arrow Articles by Lechner, G. L.
Social Bookmarking
Add to CiteULike   Add to Complore   Add to Connotea   Add to Del.icio.us   Add to Digg   Add to Reddit   Add to Technorati  
What's this?

Transrectal Sonography of Anal Sphincter Infiltration in Lower Rectal Carcinoma

Andrea G. Maier1, Soeren H. Kreuzer1, Friedrich Herbst2, Fritz Wrba3, Wolfgang Schima1, Martin A. Funovics1, Bela K. Teleky2 and Gerhard L. Lechner1

1 Department of Radiology, University of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria.
2 Department of Surgery, University of Vienna, A-1090 Vienna, Austria.
3 Department of Clinical Pathology, University of Vienna, A-1090 Vienna, Austria.



View larger version (22K):

[in a new window]
  		Fig. 1A. —Normal appearance of anal canal. Coronal diagram of anal canal and sphincter apparatus. Longitudinal line (1) shows level of transrectal sonogram.

 


View larger version (178K):

[in a new window]
  		Fig. 1B. —Normal appearance of anal canal. Transrectal sonogram depicts mucosa (white arrow), internal sphincter (black arrow), and sling of puborectalis and deep external sphincter (arrowheads).

 


View larger version (132K):

[in a new window]
  		Fig. 2A. —40-year-old man with lower rectal cancer (pT3, N1, G3) and superficial spreading into mucosa of anal canal. Transrectal sonogram shows hypoechoic lesion from 3-o'clock to 6-o'clock positions (arrowheads) limited to mucosa, representing tumor extension. Internal sphincter (black arrow) and external sphincter (white arrow) are not affected.

 


View larger version (103K):

[in a new window]
  		Fig. 2B. —40-year-old man with lower rectal cancer (pT3, N1, G3) and superficial spreading into mucosa of anal canal. Corresponding photomicrograph of histopathologic slice shows tumor to be restricted to mucosa of anal canal (arrowhead). Internal sphincter (short arrow) and external sphincter (long arrow) are intact. Specimen was opened anteriorly by surgeon. (H and E, x15)

 


View larger version (188K):

[in a new window]
  		Fig. 3A. —74-year-old man with lower rectal cancer (pT3, N0, G2) with extension into anal canal. Transrectal sonogram shows infiltration of mucosa and internal sphincter (arrowhead) from 11-o'clock to 2-o'clock positions. (black arrows). External sphincter (white arrow) is intact.

 


View larger version (194K):

[in a new window]
  		Fig. 3B. —74-year-old man with lower rectal cancer (pT3, N0, G2) with extension into anal canal. Photomicrograph of histopathologic specimen shows tubular tumor structures infiltrating smooth muscle structure (arrows) of internal sphincter muscle. (H and E, x200)

 


View larger version (178K):

[in a new window]
  		Fig. 4. —73-year-old woman with lower rectal cancer (pT3, N1, G3). Transrectal sonogram shows massive infiltration of internal sphincter (arrowhead), external sphincter (arrow), and all layers of anal canal between 11-o'clock and 2-o'clock positions (white arrows).

 

Add to CiteULike CiteULike   Add to Complore Complore   Add to Connotea Connotea   Add to Del.icio.us Del.icio.us   Add to Digg Digg   Add to Reddit Reddit   Add to Technorati Technorati    What's this?



HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 2000 by the American Roentgen Ray Society.