| No clinical improvement after embolisation?胡桃夹子综合症
  LRV Hypertension(early stage)development of venous collateral vessels which increases venous capacitance[kəˈpæsɪtəns] 容量。Competence [ˈkɑmpɪtəns] of the venous valves of the OV or LV. Development of direct communication between the dilated venous sinuses and adjacent calyces  
	Essential hematuria and flank pain 原发性血尿和季肋部疼痛 LRV Hypertension (later stage)
 
 
 
  
 
 
	CONSIDER LRV STENTING IN SELECTED CASES! May - Thurner syndrome  
		- first described by  McMurrich in 1908  
		- defined anatomically by May and Thurner in 1957  
		- defined clinically by Cockett and Thomas in 1965 | 

 
        
      











