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    Case of the Day
    Alveolar rhabdomyosarcoma (lower leg)

    Modality: MRI Modality: MRI Modality: MRI Modality: MRI

    View here all images of this case in different sizes !

    Go to the top of the page ID: 20020122160347
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     Alveolar rhabdomyosarcoma (lower leg)   
     Available images: There are MRI images available for this case. [ MRI ]   

    G. Hahn (Dresden)  

     Email Address:

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    3 Years  




    Painless swelling of the right lower leg for 14 days in a 3 year-old child. Swelling was noticed by the parents.  

     Pathomorphology or Pathophysiology of this disease :


     Radiological findings:

    MRI 1 <- view MRI 1

    MRI 1: (T2-TIRM-Sequence):Signal intense, partly inhomogenic mass in the calf musclulature, which shows air-fluid levels.

    MRI 2 <- view MRI 2

    MRI 2: (T1): Signal intense mass in comparison to the muscles, also showing air-fluid levels.

    MRI 3 <- view MRI 3

    MRI 3: (T1 with IV contrast and fat saturation): Somewhat nodular, somewhat cystic areas of the tumor in the calf musculature. Spanning contact to the tibia without infiltration of the bone.

    MRI 4 <- view MRI 4

    MRI 4: (T1 with IV contrast and fat saturation)

    Ultrasound (not shown): In the musculature of the right calf, there was a spindle-like mass with measurements of 6.3 x 3.2 x 2.6 cm. The area showed an inhomogenic echo texture with small triangular liquid specks and was bound by a capsel-like wall. The area of the mass showed no muscle-like structures.


     Diagnosis confirmation:

    Surgery / Histo  

     Which DD would be also possible with the radiological findings:

    Other soft-tissue tumors, particularly the synovial sarcoma.  

     Course / Prognosis / Frequency / Other :

    Histological confirmation using DE. No complete surgery, since only a functionally impaired result would be awaited. During chemotherapy, the tumor decreased well. Now, radiation treatment with a possible second surgery.  

     Comments of the author about the case:


     First description / History:





    Leg-Muscular system / Connective tissue / Skin  

     Most likely etiology:


     Available images: There are MRI images available for this case. [ MRI ]   
    More cases from these authors: Search G. Hahn in Medline G. Hahn (22)     

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