Week 1 April 21-25, 2003: Case 2
of Contents | List of Diagnoses | Case 1 |
Case 2 | Case
30-year-old female with abdominal mass, several
weeks post partum
Abdominal fibromatosis is
commonly referred to as desmoid tumor. The tumor arises from the
musculoaponeurotic structures of the abdominal wall. It typically occurs in
adults, especially women of childbearing age who are pregnant or
postpartum. The lesions are variably
cellular and often predominantly hypocellular. The tumor has infiltrative
margins, and is composed of uniform appearing, spindle-shaped fibroblasts and
abundant collagen. There is lack of nuclear
pleomorphism and only rare mitotic figures can be identified. Characteristically there is infiltration of the muscle tissue.
be myxoid matrix. The recurrence rate is high. The tumor cells are
positive for smooth muscle actin. Mason Trichrome highlights the collagenous background.
-Verbal - William. J. Frable, MD
- Weiss, S.W., Goldblum, J.R., Enzinger, F.M. (2001). Enzinger and
Weiss's Soft Tissue Tumors (4th ed.).
Philadelphia, PA: Mosby