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A leiomyosarcoma (LMS) is a rare malignant (cancerous) smooth muscle tumor. [1] The word is from leio- 'smooth' myo- 'muscle' and sarcoma 'tumor of connective tissue'. The stomach, bladder, uterus, blood vessels, and intestines are examples of hollow organs made up of smooth muscles where LMS can be located; however, the uterus and abdomen are the most common sites.
Uterine sarcoma is rare and mostly occurs in post-menopausal women. The most common type, leiomyosarcoma, is twice as common in Black women as it is in white women. Uterine sarcoma condition is most commonly treated by radical hysterectomy. If cancer has spread beyond the uterus, radiation, chemotherapy, and hormonal therapy may be used.
Substantially elevated risk of progression to or independent development of uterine leiomyosarcoma has been reported which may influence treatment methods. [3] The predisposition to renal cell cancer calls for screening and, if necessary, urological management.
However, a small proportion of uterine fibroids can mimic other malignant uterine tumors (e.g. leiomyosarcoma) on all available imaging modalities (e.g. ultrasound, CT, MRI and PET-CT). [37] Malignant tumors of the uterine wall (e.g. leiomyosarcoma) are very rare.
Vaginal tumors are neoplasms (tumors) found in the vagina.They can be benign or malignant. [1] [a] A neoplasm is an abnormal growth of tissue that usually forms a tissue mass.[2] [3] [4] Vaginal neoplasms may be solid, cystic or of mixed type.
Leiomyoma enucleated from a uterus. External surface on left; cut surface on right. Micrograph of a small, well-circumscribed colonic leiomyoma arising from the muscularis mucosae and showing fascicles of spindle cells with eosinophilic cytoplasm and elongated, cigar-shaped nuclei Immunohistochemistry for β-catenin in uterine leiomyoma, which is negative as there is only staining of cytoplasm ...
Tumor characterization using the ultrasound method will be based on the following elements: consistency (solid, liquid, mixed), echogenicity, structure appearance (homogeneous or heterogeneous), delineation from adjacent liver parenchyma (capsular, imprecise), elasticity, posterior acoustic enhancement effect, the relation with neighboring ...
Sarcoma botryoides or botryoid sarcoma [1] is a subtype of embryonal rhabdomyosarcoma, that can be observed in the walls of hollow, mucosa lined structures such as the nasopharynx, common bile duct, urinary bladder of infants and young children or the vagina in females, typically younger than age 8.