Pericardial lipoblastoma

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Pericardial lipoblastomas are rare benign tumors that usually occur in children less than 3 years of age. They originate from embryonic fat cells and are divided into two forms, based on location :

  • superficial form: well-circumscribed and well-encapsulated
  • deep form: not well-circumscribed and infiltrative and termed lipomatosis

    • For a general discussion please refer to the article on lipoblastomas.

    Radiographic features

    Ultrasound/Echocardiography

    Pericardial lipoblastomas are echogenic compared to the adjacent cardiac tissue .

    CT

    Pericardial lipoblastomas are composed purely of fatty tissue (<0 HU in density) and do not enhance .

    MRI

    The lesion exhibits high signal on T1 and T2 which becomes suppressed on fat-suppression sequences .