Abdominal Wall Synovial Sarcoma During Pregnancy-a Case Report.

Synovial sarcoma is rare, aggressive, malignant mesenchymal neoplasm. The recent literature does not validate its only prevalence in the extremities of the adult population. Statistics reveal that adult population has the highest prevalence rate; 30 % of reported cases occur in the children and adolescents. It is very rare in pregnancy. Carcinomas may be diagnosed concurrently with pregnancy in approximately 0.1 % of cases, but sarcomas are rare. We report a 21-year-old woman with synovial sarcoma on anterior abdominal wall at 34th week of gestation, which was clinically diagnosed as desmoid tumor. Tumor was totally excised. After 6 months, it relapsed in the form of multiple abdominal wall swellings and ascites.