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Uterine endometrial stromal sarcoma with smooth muscle and glandular differentiation.

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This report describes a uterine tumour exhibiting areas of both endometrial stromal and smooth muscle differentiation. There was extensive intravascular permeation within the myometrium as well as extrauterine vascular involvement. The endometrial stromal component had a myxoid appearance and the

Smooth-muscle rectal tumors: a therapeutic dilemma.

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Five cases of smooth-muscle rectal tumors seen in the Lexington, Kentucky, area over a 25-year period are reported. These unusual tumors cause symptoms similar to those of more common anorectal diseases, namely, painful defecation and rectal bleeding. Often these tumors are initially asymptomatic

Smooth tubular aggregates associated with plasmalemmal invagination in alveolar soft part sarcoma.

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The ultrastructure of four alveolar soft part sarcomas was examined to search for ultrastructural signs of myogenic or neural origin. A new ultrastructural structure, an unusual tubular structure, was found in two of four cases. The structure appeared as a large, smooth, tubular aggregate in the

Pathology and pathophysiology of uterine smooth-muscle tumors.

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Smooth-muscle tumors of uterine origin encompass a broad family of neoplasms. The leiomyoma, by far the most common of all the neoplasms, generally is hormone sensitive, with rates of growth semiquantitatively related to estrogen and progesterone receptor levels. Several forms of degenerative change

Molecular determination of the malignant potential of smooth muscle neoplasms.

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BACKGROUND The determination of the malignant potential of smooth muscle neoplasms remains ambiguous, and yet has far reaching clinical, therapeutic, and social implications. METHODS In this pilot study, the authors examined smooth muscle isoactin gene expression by polymerase chain reaction in a

Myxoid mixed low-grade endometrial stromal sarcoma and smooth muscle tumor of the uterus. Case report.

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We report the case of a 73-year-old female with myxoid mixed low-grade endometrial stromal sarcoma and smooth muscle tumor of the uterus. Grossly, the tumor sized 130 x 130 x 100 mm involved the uterine corpus almost in its entirety. Histologically, the tumor consisted of two cell types. In some

Blood vessels in liver metastases from both sarcoma and carcinoma lack perivascular innervation and smooth muscle cells.

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Hepatic arterial infusion (HAI) chemotherapy as treatment for human colorectal liver metastases is promising, but not entirely satisfactory. Improved drug delivery during HAI may be achieved by manipulating the different control mechanisms of normal versus tumour blood vessels. The

Single-stage resection of a mixed endometrial stromal sarcoma and smooth muscle tumor with intracardiac and pulmonary extension.

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A case of mixed endometrial stromal sarcoma and smooth muscle cell tumor of the uterus with intravenous extension into the right heart and pulmonary artery is presented. The current literature and diagnostic and therapeutic strategies of pelvic tumors with intravenous extension are reviewed.

Pulmonary Metastases of a Uterine Smooth Muscle Tumour with Undefined Malignancy Potential.

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Smooth muscle neoplasms with atypical proliferative behaviour, but without clear histopathological malignancy represent a diagnostic and therapeutic challenge, as distinction from a sarcoma can be difficult and no guaranteed treatment recommendations are available due to the rarity of these changes.

Adeno-associated virus vector transduction of vascular smooth muscle cells in vivo.

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Adeno-associated virus (AAV) vectors might offer solutions for restenosis and angiogenesis by transducing nondividing cells and providing long-term gene expression. We investigated the feasibility of vascular cell transduction by AAV vectors in an in vivo rabbit carotid artery model. Time course of

Clinico-pathological characteristics of different types of immunodeficiency-associated smooth muscle tumours.

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Rare Epstein-Barr virus (EBV)+ smooth muscle tumours (SMT) manifest typically under immunosuppression. Three major subtypes are known: human immunodeficiency virus-associated (HIV-SMT), after transplantation (PTSMT) or associated with congenital immunodeficiency syndromes (CI-SMT). So far, there are

Undifferentiated (embryonal) sarcoma of the liver in middle-aged adults: smooth muscle differentiation determined by immunohistochemistry and electron microscopy.

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Undifferentiated (embryonal) sarcoma of the liver (UESL) is a rare pediatric liver malignancy that is extremely uncommon in middle-aged individuals. We studied 2 cases of UESL in middle-aged adults (1 case in a 49-year-old woman and the other in a 62-year-old man) by histology, immunohistochemistry,

Two-stage resection of a disseminated mixed endometrial stromal sarcoma and smooth muscle tumor with intravascular and intracardiac extension.

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OBJECTIVE Mixed endometrial stromal and smooth muscle tumor (MESSMT)-a rare mesenchymal uterine tumor of the uterus with atypical clinical symptoms-is susceptible to misdiagnosis and missed diagnosis. We report a case of a disseminated MESSMT with intravenous and intracardiac extensions treated with

Retroperitoneal smooth muscle tumor of uncertain malignant potential after hysterectomy: a case report.

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BACKGROUND Smooth muscle tumors of uncertain malignant potential represent a histologically heterogeneous group of uterine smooth muscle tumors that cannot be diagnosed as either benign or malignant. Smooth muscle tumors of uncertain malignant potential are usually clinically benign, but should be

Dedifferentiated mixed stromal-smooth muscle tumor of the uterus. Report of a case.

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So-called dedifferentiation in mesenchymal neoplasms of the uterus is very rare. Among conventional low-grade stromal tumors only three cases of dedifferentiation were reported, whereas in mixed stromal-smooth muscle tumors the dedifferentiation was yet not described. Here we present such a case of

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Herbal & Natural Medicine

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