Case 10:  Antrochoanal Polyp                    

A 15 year old female presented with left-sided nasal obstruction associated with purulent nasal drainage. 

Figure 1:  Polyp Seen in the Left Nasal Cavity. Click on Pictures to Enlarge

The CT scan showed a soft tissue density polypoidal lesion arising from the left maxillary sinus and extending into the nasal cavity towards the ipsilateral posterior choana. 

Figure 2:  Axial CT Scan Showing a Polypoid Mass in the Left Maxillary Sinus.  Click on Pictures to Enlarge

Figure 3:  CT Scan Showing the Polyp in the Nasal and Nasopharyngeal Cavities.  Click on Pictures to Enlarge

The mass was removed by performing functional endoscopic sinus surgery and sent for histopathology.    The histopathological report described mucous glands interspersed in loose mucoid stroma with infiltration by lymphocytes, plasma cells, mast cells and especially eosinophils (See Figure 5). 

Figure 4:  Appearance of Specimem

Figure 5:  Histological Appearance.  Click on Pictures to Enlarge

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World Articles in Ear, Nose and Throat  www.waent.org                 Jan 27, 2012              Vol 5-1

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