EURORAD ESR

Case 88

The value of MRI in popliteal artery entrapment syndrome

Author(s)
N.Gandolfo, C.Martinoli, G.Cittadini jr, G.Fiorini, G.De Caro
 
Patient
male, 17 year(s)
 
 
  • Published 31.07.2000
  • DOI 10.1594/EURORAD/CASE.88
  • Section Cardiovascular
  • Case Type Clinical Cases
  • Difficulty Resident
  • Views 23001
  • Language(s)
  • Figure 1
    Arterial angiography of the right lower extremity

    Intra-arterial digital subtraction angiography (DSA) of the right lower extremity showing occlusion of the midportion of the popliteal artery (head arrows); the posterior tibial artery (pta) is recanalized by superior...

     
    Area of Interest: unknown; Imaging Technique: Arterial angiography of the right lower extremity;
     
     
  • Figure 2
    Magnetic resonance technique: evaluation of the upper portion of the popliteal artery
     

    Magnetic resonance imaging (MRI) of the right popliteal fossa, with spin-echo (SE) T1-weighted sequence [TRms/TEms = 768/20], on axial plane. The popliteal artery (head arrow) is localized more medially than the...

     
    Area of Interest: unknown; Imaging Technique: Magnetic resonance technique: evaluation of the upper portion of the popliteal artery;

    Magnetic resonance angiography (MRA) of the right leg, performed on axial plane using 2D-FLASH (Fast-Low Angle single-SHot imaging) sequence [TRms/TEms = 30/7] at the same level of fig 2a. Normal signal intensity of...

     
    Area of Interest: unknown; Imaging Technique: Magnetic resonance technique: evaluation of the upper portion of the popliteal artery;

    Magnetic resonance imaging (MRI) of the left popliteal fossa, performed at the same level of Fig 2a (comparative study). SE T1-weighted sequence [TRms/TEms = 768/20]. Angiographic sequence shows normal size and...

     
    Area of Interest: unknown; Imaging Technique: Magnetic resonance technique: evaluation of the upper portion of the popliteal artery;
     
     
  • Figure 3
    Magnetic resonance technique: evaluation of the popliteal fossa.
     

    MRI of the right popliteal fossa, SE T1-weighted image on axial plane just below Fig 2a show an accessory muscular slip of the medial head of the gastrocnemius muscle, localized between popliteal artery and vein.

     
    Area of Interest: unknown; Imaging Technique: Magnetic resonance technique: evaluation of the popliteal fossa.;

    MRA of the right popliteal fossa, performed at the same level of Fig 3a. Both vessels are patent on MRA, although the artery is displaced medially by accessory muscular slip.

     
    Area of Interest: unknown; Imaging Technique: Magnetic resonance technique: evaluation of the popliteal fossa.;

    MRI of the left popliteal fossa, performed at the same level of Fig 3a (comparative study). SE T1-weighted sequence. No accessory muscular slip is seen.

     
    Area of Interest: unknown; Imaging Technique: Magnetic resonance technique: evaluation of the popliteal fossa.;
     
     
  • Figure 4
    Magnetic Resonance Imaging
     

    MRI of the right popliteal fossa, SE T1-weighted image on axial plane, 15 mm below Fig. 3a. The accessory muscular slip (asterisk) of the medial head of the gastrocnemius muscle wraps around the popliteal artery.

     
    Area of Interest: unknown; Imaging Technique: Magnetic Resonance Imaging;

    MRI of the right popliteal fossa, SE T1-weighted image on axial plane, 15 mm below Fig. 3a. The accessory muscular slip (asterisk) of the medial head of the gastrocnemius muscle wraps around the popliteal artery.

     
    Area of Interest: unknown; Imaging Technique: Magnetic Resonance Imaging;

    MRA of the right popliteal fossa, performed at the same level of Fig 4a.

     
    Area of Interest: unknown; Imaging Technique: Magnetic Resonance Imaging;

    MRA of the right popliteal fossa, performed at the same level of Fig 4b. Occlusion of the midportion of the popliteal artery, as confirmed by the arterial signal void of the vessel.

     
    Area of Interest: unknown; Imaging Technique: Magnetic Resonance Imaging;

    MRI of the left popliteal fossa, performed at the same level of Fig 4b. (comparative study). SE T1-weighted sequence. In normal condition, both vascular structures run in the middle of the popliteal fossa located...

     
    Area of Interest: unknown; Imaging Technique: Magnetic Resonance Imaging;
     
     
  • Figure 5
    Drawing of the normal relationship of the neurovascular structures in the politeal fossa

    The drawing, on coronal view, shows the normal relationship of the neurovascular structures in the politeal fossa relative to the heads of the gastrocnemius muscle.

     
    Area of Interest: unknown; Imaging Technique: Drawing of the normal relationship of the neurovascular structures in the politeal fossa;
     
     
  • Figure 6
    Drawing of the popliteal artery entrapment syndrome, subtype III

    Popliteal artery entrapment (PAE) subtype III. The drawing, on coronal view, shows an accessory slip of the medial head of the gastrocnemius muscle (asterisk) is interposed between the artery (red color) and the vein...

     
    Area of Interest: unknown; Imaging Technique: Drawing of the popliteal artery entrapment syndrome, subtype III;
     
     
Intra-arterial digital subtraction angiography (DSA) of the right lower extremity showing occlusion of the midportion of the popliteal artery (head arrows); the posterior tibial artery (pta) is recanalized by superior and inferior medial genicular vessels.
 
Magnetic resonance imaging (MRI) of the right popliteal fossa, with spin-echo (SE) T1-weighted sequence [TRms/TEms = 768/20], on axial plane. The popliteal artery (head arrow) is localized more medially than the controlateral vessel (Fig 2c); abnormal fat tissue is interposed between artery and vein.
 
Magnetic resonance angiography (MRA) of the right leg, performed on axial plane using 2D-FLASH (Fast-Low Angle single-SHot imaging) sequence [TRms/TEms = 30/7] at the same level of fig 2a. Normal signal intensity of the upper portion of the popliteal artery.
 
Magnetic resonance imaging (MRI) of the left popliteal fossa, performed at the same level of Fig 2a (comparative study). SE T1-weighted sequence [TRms/TEms = 768/20]. Angiographic sequence shows normal size and patency of the upper portion of the popliteal artery
 
MRI of the right popliteal fossa, SE T1-weighted image on axial plane just below Fig 2a show an accessory muscular slip of the medial head of the gastrocnemius muscle, localized between popliteal artery and vein.
 
MRA of the right popliteal fossa, performed at the same level of Fig 3a. Both vessels are patent on MRA, although the artery is displaced medially by accessory muscular slip.
 
MRI of the left popliteal fossa, performed at the same level of Fig 3a (comparative study). SE T1-weighted sequence. No accessory muscular slip is seen.
 
MRI of the right popliteal fossa, SE T1-weighted image on axial plane, 15 mm below Fig. 3a. The accessory muscular slip (asterisk) of the medial head of the gastrocnemius muscle wraps around the popliteal artery.
 
MRI of the right popliteal fossa, SE T1-weighted image on axial plane, 15 mm below Fig. 3a. The accessory muscular slip (asterisk) of the medial head of the gastrocnemius muscle wraps around the popliteal artery.
 
MRA of the right popliteal fossa, performed at the same level of Fig 4a.
 
MRA of the right popliteal fossa, performed at the same level of Fig 4b. Occlusion of the midportion of the popliteal artery, as confirmed by the arterial signal void of the vessel.
 
MRI of the left popliteal fossa, performed at the same level of Fig 4b. (comparative study). SE T1-weighted sequence. In normal condition, both vascular structures run in the middle of the popliteal fossa located between the medial and lateral heads of the gastrocnemius muscle, superficially to the popliteus muscle.
 
The drawing, on coronal view, shows the normal relationship of the neurovascular structures in the politeal fossa relative to the heads of the gastrocnemius muscle.
 
Popliteal artery entrapment (PAE) subtype III. The drawing, on coronal view, shows an accessory slip of the medial head of the gastrocnemius muscle (asterisk) is interposed between the artery (red color) and the vein (dark blue color).
 
 
 
Home Search Sections Teaching Cases History FAQ Case Archives Contact Login Disclaimer Imprint Switch to MOBILE version
View desktop version