Smooth muscle tumor
Examine and describe:
- Number of tumors, if multiple
Submit any macroscopically abnormal parts of the tumors (hemorrhagic, necrotic, brittle or softening areas, and areas with blurry delimitation).
Distinguish leiomyoma (benign) from leiomyosarcoma (malignant).
Leiomyomas typically show smooth muscle in a whorled (fascicular) pattern
Leiomyosarcoma: Variable atypia, often with cytoplasmic vacuoles at both ends of nuclei, and frequent mitoses.
- Further information: Evaluation of tumors
- Microscopic findings, including any visible linings
- Diagnosis or most probable one
- Any linings or borders.
Example, for a cervical polyp:
Polyp lined by a single layer of columnar epithelium consistent with endometrium. The interior consists of smooth muscles in a whorled pattern. No atypia. The finding is consistent with a pedunculated submucosal leiomyoma.
- See also: General notes on reporting
- Monica Dahlgren, Janne Malina, Anna Måsbäck, Otto Ljungberg. Stora utskärningen. KVAST (Swedish Society of Pathology). Retrieved on 2019-09-26.
- Mohamed Mokhtar Desouki. Uterus - Stromal tumors - Leiomyoma. pathology Outlines. Topic Completed: 1 August 2011. Revised: 15 December 2019
- Vijay Shankar, M.D.. Soft tissue - Smooth muscle - Leiomyosarcoma - general. Pathology Outlines. Topic Completed: 1 November 2012. Revised: 11 September 2019