1. Occult deep venous thrombosis complicating superficial thrombophlebitis 
Robert M. Blumenberg, MD, Elizabeth Barton, BSN, RVT, Michael L. Gelfand, MD, Paul Skudder, MD, J. Brennan 
Journal of Vascular Surgery 
Volume 27, Issue 2, Pages (February 1998)
DOI: /S (98)
Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

2. Fig. 1 Thrombus originating in GSV extending to SFJ and then to CFV.
Journal of Vascular Surgery  , DOI: ( /S (98) )
Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

3. Fig. 2 Thrombus originating in LSV extending into PV (POPV)
Journal of Vascular Surgery  , DOI: ( /S (98) )
Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

4. Fig. 3
A, Thrombus at valve in GSV, completely unattached. B, Thrombus is moving beyond valve, still in GSV. C, Thrombus is located well beyond valve cusp, then is observed to embolize out of GSV beyond CFV.
Journal of Vascular Surgery  , DOI: ( /S (98) )
Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions