Smooth Muscle and Stromal Tumors and Prevention of Inadequate
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Aggressive course with 1-year survival of 55%. DDX: other spindle cell tumors such as sarcomatoid carcinoma (keratin+), stromal sarcoma (CD34+, actin-), GIST (c-kit+) and SFT (CD34+, actin-). Ten cases of patients with malignant. smooth muscle tumors presenting as mediastinal soft tis-. sue masses were studied and correlated with their clini-. cal behavior.
Uterus - Smooth muscle tumors of uncertain malignant potential. Note: criteria do not apply to extrauterine tumors ; Note: must rigidly apply following criteria for atypia, mitotic figures and coagulative tumor cell necrosis (Mod Pathol 2000;13:328) 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). Because of the rarity of epithelioid smooth muscle tumors, criteria predictive of their malignant behavior are less well established than those for spindle-cell smooth muscle tumors.
Cutaneous leiomyomas (leiomyoma cutis) are the most common group of benign smooth muscle tumors, with two types. Those arising from the pilar arrector muscles of the skin are often multiple and associated with significant pain.
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Uterine smooth muscle tumors of uncertain malignant potential (STUMP): pathology, follow-up and recurrence. Int J Clin Exp Pathol. 2014;7(11):8136-8142.
Thyroid nodules are exceedingly common on imaging
electron microscopy in two cases. Results. Each of these sources of smooth muscle can give rise to benign tumors, resulting in three categories of cutaneous leiomyoma: piloleiomyoma, leiomyoma of genital skin, and angioleiomyoma. 1. 2.
Most tumours of this type are located in the leg or arm muscles. A
tion of soft tissue tumors: • Smooth muscle tumors. A. Benign tumors. 1. Angioleiomyoma.
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The term “STUMP” was first used in the literature Uterine smooth muscle tumors of uncertain malignant potential (STUMP) is a recently defined entity by the World Health Organization for a heterogeneous group of uterine smooth muscle tumors that cannot be histologically diagnosed as unequivocally benign or malignant 1. See also. malignant neoplasms involving the uterus; uterine sarcoma Uterine smooth muscle tumors of uncertain malignant potential (STUMP) represent a group of rare and challenging leiomyoma neoplasms.
1. Angioleiomyoma.
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Uterine Myxoid Leiomyosarcoma Associated with Multiple
We hereby report the Smooth muscle tumor of uncertain malignant potential, abbreviated STUMP, is an uncommon tumor of the uterine smooth muscle that may behave like a benign Malignant tumors in fat are called liposarcomas. In smooth muscle around internal organs, cancerous sarcomas are known as leiomyosarcomas. Dall'Asta A, Gizzo S, Musarò A, et al. Uterine smooth muscle tumors of uncertain malignant potential (STUMP): pathology, follow-up and recurrence.
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Keywords: Atypical leiomyoma, coagulative tumor cell necrosis, smooth muscle tumor of uncertain Benign tumors are relatively avascular, whereas most malignancies are The behavior of malignant smooth muscle tumors remains poorly defined. Complete of a uterine smooth muscle tumour of uncertain malignant potential were found in the above period of study. A retrospective review of all registered cases of. Jun 4, 2018 Uterine Smooth Muscle Tumor of Uncertain Malignant Potential.
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Nevertheless, leiomyosarcoma is the most frequent malignant mesenchymal tumor of the uterus, accounting for almost 60% of uterine sarcomas. Tumors of muscular origin Dr Henry Knipe ◉ ◈ and Assoc Prof Frank Gaillard ◉ ◈ et al. There are a number of tumors of muscular origin, which overall are relatively uncommon, representing ~2% of benign soft tissue tumors and ~10% of malignant soft tissue tumors 1. The term smooth uterine muscle of uncertain malignant potential (STUMPs) indicates a group of uterine smooth muscle tumors (SMTs) that cannot be diagnosed unequivocally as benign or malignant.
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). 1980-07-01 · On microscopy the tumor consisted of interlacing smooth muscle bundles. Considerable nuclear pleomorphism was noted and several mitotic figures were present with an average of 1 per high power field (fig.