Panoramic showing 2 radiolucent lines in an inverted Y shape above the apices of #8 and #9. Diagnosis:

Correct answer: A. Nasopalatine canal (incisive canal) / Nasal foramina

• A. Correct. The inverted Y-shaped radiolucent lines represent the normal anatomic nasopalatine canal/nasal fossa floor projection on a panoramic radiograph in the anterior maxilla, a normal landmark, not pathology.
• B. A periapical cyst would present as a discrete round/oval radiolucency at a specific tooth apex, not a normal inverted-Y anatomic line pattern.
• C. Cherubism presents as bilateral multilocular radiolucent expansile lesions of the jaws, not a normal anterior maxillary landmark.
• D. The globulomaxillary 'cyst' (now considered a misnomer/not a true distinct entity in current classification) was historically described between the lateral incisor and canine, not this inverted-Y pattern.