This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroradiology, Subject name: Radiology
Pseudoahrosis of Tibia is seen associated with 
Select and explain. 
A. NF-1, B. NF-2, C. VHL, D. STURGE WEBER SYNDROME
A: NF-1
Answer: A: NF-1 
Explanation: Pseudoahrosis of the tibia is usually seen associated with NF-1,a false joint between knee and ankle. Sphenoid wing dysplasia is also seen in NF-1. Acoustic Neuromas/Schwannomas are seen with NF-2. Multifocal haemangioblastomas are associated with VHL. Powine stain,leptomeningeal vascular malformations and Tram Track appearanceare seen with Sturge Weber syndrome.