Yearly Archives: 2013


Anatomy Monday: Pterygomaxillary Fissure

This week I have a few pantomographs showing the pterygomaxillary fissure.  The pterygomaxillary fissure is the lateral opening to the pterygopalatine fossa. The pterygomaxillary fissure presents as a radiolucent inverted teardrop shape just lateral to the maxilla. It has a a radiopaque edge.   If you have any questions about […]


Case of the Week: Mucous Retention Pseudocyst

This week I have a case of a mucous retention pseudocyst on a pantomograph. Mucous retention pseudocysts are incidental findings that do not require treatment. They are most commonly found in the maxillary sinuses followed by the sphenoid sinuses. Note the rounded radiopaque dome in the right maxillary sinus. If […]