World Articles in Ear Nose and Throat 
Clinical Appearance of Benign Sinonasal Masses
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Case 8:  Fibrous Dysplasia                   Go Back To BSM Manuscript

A 28 year old male was seen with complaints of left-sided nasal obstruction.  The CT scan showed a densely calcified solid mass occupying the right nasal cavity extending into the ethmoid sinus, frontal sinus and maxillary ostium with thinning of the anterior maxillary sinus wall and causing nasal septal deviation to the left side (See Figure 1).  

Figure 1:  Coronal CT Scan of Fibrous Dysplasia
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Figure 2:  Histological Findings 
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The mass was surgically removed using a Weber-Ferguson approach.  The two solid white balls of bony consistency were removed from the maxillary sinus and sent for histological examination.  The histopathology report showed a Hallmark sign of Chinese letter pattern imparted by a narrow, curved, misshaped bone trabeculae that are surrounded by fibrous elements.  The lesion was reported as fibrous dysplasia (See Figure 2).


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World Articles in Ear, Nose and Throat                 Jan 27, 2012             Vol 5-1

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