12 Questions
What percentage of cases does Juvenile Nasopharyngeal Angiofibroma (JNA) account for among non-encapsulated tumors in the head and neck region?
0.5%
What is the typical age range for patients with juvenile nasopharyngeal angiofibromas?
Adolescents
What is the most common symptom of juvenile nasopharyngeal angiofibromas?
Epistaxis
What is the most common symptom of JNA?
Recurrent nasal blockage
What is the recommended imaging study for diagnosing JNA?
CT scan
What is the risk associated with performing a biopsy on a juvenile nasopharyngeal angiofibroma?
Fatal hemorrhage
Which artery is the most common supply for juvenile nasopharyngeal angiofibromas?
External carotid artery
What is the primary treatment for JNA?
Surgery
What is the gold standard for diagnostic and pre-operative embolization for JNA?
DSA
What imaging technique is particularly useful at delineating bony changes in juvenile nasopharyngeal angiofibromas?
CT
What is the typical appearance of juvenile nasopharyngeal angiofibromas on MRI?
Heterogeneous signal with dark spots
Which of the following is not a typical feature seen on plain radiographs of juvenile nasopharyngeal angiofibromas?
Enlargement of feeding vessels
Study Notes
Test your knowledge on Juvenile Nasopharyngeal Angiofibroma (JNA) with this informative quiz. Discover the characteristics of this uncommon but significant benign tumor, its symptoms, diagnosis, and treatment options. Enhance your understanding of JNA by answering questions that cover important keywords specific to this topic. Challenge yourself and see how much you already know about JNA!
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