Smooth muscle tumor
Author:
Mikael Häggström [note 1]
Contents
Gross processing
Gross examination
Examine and describe:[1]
- Location
- Number of tumors, if multiple
- Size
- Demarcation
Selection
In case of hysterectomy, submit pieces from all smooth muscle tumors >5 cm in diameter.[1]
Submit any macroscopically abnormal parts of the tumors (hemorrhagic, necrotic, brittle or softening areas, and areas with blurry delimitation).[1]
Microscopic examination
Distinguish leiomyoma (benign) from leiomyosarcoma (malignant).
Leiomyomas typically show smooth muscle in a whorled (fascicular) pattern[2]
Leiomyosarcoma: Variable atypia, often with cytoplasmic vacuoles at both ends of nuclei, and frequent mitoses.[3]
Further information: Evaluation of tumors
Microscopic report
Report:
- 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
Notes
- ↑ For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Patholines:Authorship for details.
Main page
References
- ↑ 1.0 1.1 1.2 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
Image sources