This colour-enhanced,sagital (from the side) CT reconstruction demonstrates the typical location and appearance of the vascular juvenile nasopharyngeal angiofibroma (JNA). There is a contrast-enhancing mass (red) in the pterygopalatine fossa (on the viewer's left),just inferior to the inferior orbital fissure remodelling the posterior bony wall of the maxillary sinus. These most commonly occur in adolescent males who present with nasal stuffiness and epistaxis (nose bleeds). While these masses are histologically benign,they appear locally invasive,with infiltration of skull base foramina and,at times,growth into the intracranial compartment | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Living Art Enterprises |
Bildgröße: | 4200 px × 4200 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
|