نتایج جستجو برای: stromal tumors
تعداد نتایج: 211664 فیلتر نتایج به سال:
Ovarian sex cord-stromal tumors are relatively infrequent neoplasms that account for approximately 8% of all primary ovarian neoplasm. Sex cord-stromal tumors of the ovary include granulosa cell tumors, fibrothecomas, Sertoli-Leydigcell tumors, steroid cell tumors, and sclerosing stromal tumors (SST). Sclerosing stromal tumors account for 2% to 6% of ovarian stromal tumors. Despite the rarity o...
Ovarian sex cord-stromal tumors are infrequent and represent approximately 7% of all primary ovarian tumors. This histopathologic ovarian tumor group differs considerably from the more prevalent epithelial ovarian tumors. Although sex cord-stromal tumors present in a broad age group, the majority tend to present as a low-grade disease that usually follows a nonaggressive clinical course in youn...
Surface epithelial-stromal tumors are the most common neoplasm of ovary in the reproductive age and beyond. Less than 1% of epithelial ovarian tumors occur before the age of 21 years while 75% of sexcord stromal tumors (Sertoli and Leydig Cell) occur in the third and fourth decades of life. Serous tumors rarely occur in combination with germ cell tumors, sex-cord stromal tumors or granulosa cel...
Endometrial stromal sarcomas are rare malignant tumors that make around 0.2% of all uterine malignancies. These tumors are divided into low grade and high grade. In this case report a 46 year-old woman is presented with history of abnormal uterine bleeding since one year ago. The ultrasound imaging showed a polypoid lesion measuring 4x3 centimeter in uterine cavity. A radical hysterectomy and o...
the endometrial stromal nodule is a benign tumor composed of differentiated endometrial stromal cells arranged as a well circumscribed nodule with smooth non-invasive margins. they are rare neoplasms, diagnosed in most instances by microscopy. although nodules are benign in nature, hysterectomy is the treatment of choice to enable evaluation of the tumor margins which are well demarcated in end...
INTRODUCTION Gastrointestinal stromal tumors (GIST) are the most common mesenchymal tumors of the digestive tract. There is an increasing number of literature reports on synchronous occurrence of gastrointestinal stromal tumors and another malignancy of distinct etiology and evolution. The most reported cases include gastric synchronous occurrence of gastrointestinal stromal tumors and adenocar...
Surface epithelial tumors constituted 65.7% of all the ovarian tumors. Brenner tumors are a type of surface epithelial tumors that constitute 1 % to 3% of all ovarian neoplasms. The average age of presentation of Brenner tumors is about age 50 and 7 I % of the patients are over 40. Most patients are asymptomatic but abnormal uterine bleeding is the most common presenting symptom. Associated end...
Endometrial stromal tumors are reviewed with emphasis on their wide morphologic spectrum and problems in differential diagnosis, highlighting issues that have received particular attention in the recent literature. These neoplasms are divided into two major categories--endometrial stromal nodules and endometrial stromal sarcomas--a distinction made on the basis of the lack of significant infilt...
Sclerosing stromal tumor of the ovary is a rare, benign ovarian tumor, seen primarily in young women. We report a 3-year-old girl who presented with a palpable lower abdominal mass. Computed Tomography (CT) study revealed a huge pelvic mass with an enhancement pattern typical of ovarian sclerosing stromal tumor. The diagnosis was confirmed by pathology examination of the surgically resected tum...
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