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. 2021 Mar 22;36:100751. doi: 10.1016/j.gore.2021.100751

Table 1.

Differences of Angiomyofibroblastoma (AMFB), Aggressive Angiomyxoma (AA) and Current Case.

AMFB CASE AA
Clinical Findings
 Diameter 1–30 cm (mean: 4.7 cm) 19 cm >10 cm
MRI
 Gd-T1 weighted Strong heterogeneous enhancement Strong heterogenous enhancement Swirled intense pattern
 Border of the mass Well Circumscribed Well Circumscribed Infiltrative
Histopathology
 Blood Vessel Small capillary, Thin wall-walled blood vessels Thin-walled blood vessels Larger capillary, Thick-walled blood vessels
 Stroma
  • –

    Oval nuclei,

  • –

    Fine chromatin,

  • –

    Moderate amount of eosinophilic cytoplasm,

  • –

    Edematous to collagenous stroma,
  • –

    Elongated nucleus,

  • –

    Fine chromatin,

  • –

    Eosinophilic cytoplasm,

  • –

    Edematous matrix to collagenous,
  • –

    Short spindle-shaped,

  • –

    Hyaluronic acid-rich stroma,
Immunohistochemistry
 Desmin +/− + +/−
 SMA +/− + +/−
 ER + + +
 PR + + +
 CD34 +/− + +/−
 Ki67 +/− + (<10% nuclei) NA
Prognosis
 Recurrence rate Low recurrence rate No Recurrence after 2 years follow up High recurrence rate

Gd-C: Gadolinium Chelate; SMA: Smooth Muscle Actin; ER: Estrogen Receptor; PR: Progesterone Receptor; NA: Not Available.