Tumors | Pseudotumors

  • Pseudoaneurysm of the fibular artery

      • Color doppler

       

      B-mode

  • Traumatic pseudoaneurysm of the dorsalis pedis artery

      • Ultrasonography - MRA

       

  • Venous aneurysm of the elbow

  • Forefoot venous thrombosis: Ultrasonography

  • Forefoot venous thrombosis: MRI

  • Prepatellar bursitis (hygroma)

  • Pilonidal Sinus (or Sacrococcygeal Cyst)

      • Painful swollen lesion in the sacrococcygeal region with spontaneous drainage.

       

      Cystic echoic  () collection () containing hairs () located under the skin near the top of the buttock cleft with surrounding inflammation () .

       

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  • Forefoot loose body: Ultrasonography

  • Mysositis ossificans: Vastus intermedialis

      • Painful mass 6 weeks after direct trauma.

      Intact femoral cortex. No continuity between abnormal ossification and host bone.

  • Myositis ossicans of the Rectus Femoris

  • Myositis ossificans: longus adductor

  • Myositis Ossificans Circumscripta (MOC) within the Teres Minor Muscle

      • 13 years old young patient with marked shoulder pain and loss of motion after minor injury.

      Magnetic Resonance Imaging shows a lobulated mass within the Teres Minor muscle () with marked edema in the muscle around () and intense enhancement after intravenous gadolinium injection (). Computed tomography showed several calcific deposits arranged in a ring ().

      Ten months after, marked clinical improvement. On MRI remains a small cystic scar ().