8893/0 Bizarre leiomyoma


Symplastic leiomyoma
Atypical leiomyoma
Pleomorphic leiomyoma


Corpus uteri
ICD-O-3 topography code: C54

Bizarre leiomyoma is a histological variant of leiomyoma characterized by the presence of atypical smooth muscle cells, either focally or diffusely distributed throughout the neoplasm. The pleomorphic smooth muscle cells have enlarged hyperchromatic nuclei with prominent chromatin clumping and often contain cytoplasmic pseudonuclear inclusions1
Tavassoli FA, Devilee P (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of the Breast and Female Genital Organs.
3rd Edition
IARC Press: Lyon 2003