Surgical Pathology Criteria

Leiomyoma of Deep Soft Tissue, Retroperitoneum, Mesentery and Omentum


  • Grading and Staging not applicable

The surgical pathology report should contain or address the following:

    • Location
    • Type of resection or biopsy
    • Histologic diagnosis
    • Managerial category
      • Ia for leiomyoma (Local recurrence do occur but are not destructive; Never metastasizes)
      • IIc for smooth muscle tumor of uncertain malignant potential (Local recurrence common, Metastasis can rarely occur)
    • Size
    • Results of supplementary studies if performed
    • Relationship to other specimens from the same patient
    • Comment that the rarity of such tumors makes behavior difficult to predict

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