The ultrasonographic appearance of abdominal leiomyosarcomas.

Patients suffering from five primary and three secondary, large, non-uterine, abdominal leiomyosarcomas were examined by ultrasound. Seven demonstrated a mass with an echogenic rim of varying thickness surrounding a central cystic component, while one showed a variation of this pattern. Pathological description of the cystic component contents, available in six examples, correlated well with the sonographic findings. Due to the relative frequency with which large leiomyosarcomas present in this fashion, a pre-biopsy diagnosis should be possible in the majority.