A Rare Occurrence: Osseous Metaplasia in Uterine Leiomyoma: Case Study and Observations

Abstract

The most common tumor of female genital tract, leiomyoma demonstrate wide spectrum of variations. However, frank osseous metaplasia or bone formation is rare. A 39-year-old woman, presented with history of menorrhagia for 6 months associated with clots and dysmenorrhea. Her general examination and bimanual exploration were normal. Gross showed myometrium with intramural fibroid, Grey/white, firm to hard area in the myometrium of size 0.4 x 0.6 cms. Microscopic findings are myometrium showing bundles and fascicles of smooth muscle cells with area of hyaline degeneration, calcification, osseous metaplasia and mild stromal infiltration by chronic inflammatory cells.