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Smooth muscle tumours show a smooth muscle differentiation. There are two main types of smooth muscle tumour: the benign leiomyoma and the malignant leiomyosarcoma. [1]
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.
An alternative hypothesis is an origin from the smooth muscle of the nipple. Leiomyoma may spontaneously occur in any muscle. Depending on the location of the tumor, identification may not be timely until overall mass becomes undeniably noticeable. The symptoms for a 30-year-old male with a 10 cm leiomyoma included "dead leg" pains.
Smooth muscle tumors are most commonly benign, and are then called leiomyomas. They can occur in any organ, but they usually occur in the uterus, small bowel, and esophagus. Malignant smooth muscle tumors are called leiomyosarcomas. Leiomyosarcomas are one of the more common types of soft-tissue sarcomas. Vascular smooth muscle tumors are very ...
Smooth muscle tumor of uncertain malignant potential, abbreviated STUMP, is an uncommon tumor of the uterine smooth muscle that may behave like a benign tumor or a cancerous tumor. This tumor should not be confused with the prostatic stromal tumor of uncertain malignant potential which may be abbreviated the same way (STUMP).
A myoma is a type of tumor that involves muscle cells. [1] There are two main types of myoma: Leiomyomas which occur in smooth muscle. [1] They most commonly occur as uterine fibroids, but may also form in other locations. Rhabdomyomas which occur in striated muscle. [1] [2] [3] They are rare tumors, occur in childhood and often become malignant.
Uterine fibroids, also known as uterine leiomyomas, fibromyoma or fibroids, are benign smooth muscle tumors of the uterus, part of the female reproductive system. [1] Most people [note 1] with fibroids have no symptoms while others may have painful or heavy periods. [1] If large enough, they may push on the bladder, causing a frequent need to ...
Hereditary leiomyomatosis and renal cell carcinoma (HLRCC) or Reed's syndrome is rare autosomal dominant disorder associated with benign smooth muscle tumors and an increased risk of renal cell carcinoma. It is characterised by multiple cutaneous leiomyomas and, in women, uterine leiomyomas.