نتایج جستجو برای: stromal tumor

تعداد نتایج: 459709  

Journal: :Journal of medical imaging 2018
Adam Olshen Denise Wolf Ella F Jones David Newitt Laura J van ‘t Veer Christina Yau Laura Esserman Julia D Wulfkuhle Rosa I Gallagher Lisa Singer Emanuel F Petricoin Nola Hylton Catherine C Park

Although the role of cancer-activated stroma in malignant progression has been well investigated, the influence of an activated stroma in therapy response is not well understood. Using retrospective pilot cohorts, we previously observed that MRI detected stromal contrast enhancement was associated with proximity to the tumor and was predictive for relapse-free survival in patients with breast c...

2003
Jin Young Kim Kyung-Jae Jung Duck Soo Chung Ok Dong Kim Jin Hee Lee Sung Kook Youn

Sclerosing stromal tumor (SST) of the ovary is a very rare sex cord stromal tumor occurring in a younger age group than other types of stromal tumors and most commonly accompanied by menstrual irregularity. Several unique histologic features including pseudolobulation, sclerosis and prominent vascularity are clearly reflected at ultrasonography and MRI. We report the ultrasonographic and MR fea...

Journal: :Diagnostic and interventional radiology 2015
Mariana Horta Teresa Margarida Cunha

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...

2013
Shagufta Shaheen Achuta K. Guddati

Gastrointestinal stromal tumors (GISTs) are rare abdominal tumors which arise from the interstitial cells of Cajal in the gastrointestinal tract. Gastric GISTs are the most commonly seen GIST tumors and may grow to a very large size. They are often associated with abdominal pain, anorexia and weight loss. Most of them can be detected by CT. These tumors have been found to harbor mutations in CD...

Hiralal Konar Mallika Pal Sabyasachi Ray, Subhabrata Das Subhadeep Basak

Malignant phylloides tumor is a relatively rare and rapidly growing tumor of the breast. Presentation during pregnancy is uncommon. Reports regarding malignancy in these tumors differ greatly in incidence, and most of them are stromal malignancies. We report this case in which 24-year old primigravid patient in the 36th week of her pregnancy had a malignant phylloides tumor of breast with sudde...

امانپور, سعید, ریسمانچی, ساناز, عقابیان, محمدعلی, محمدنژاد, احد, محمدنژاد, صمد, واسعی, محمد, کجباف زاده, عبدالمحمد, تیرگری, فرخ , حدادی, مهناز , محسنی, محمدجواد ,

  Background : Wilms' tumor (nephroblastoma) is the most common renal malignancy of childhood. This cancer is considered as an embryonal neoplasm that arises from nephrogenic blastemal. Despite advances in therapeutic success, survival rate is still not satisfactory in tumors with unfavorable histology and recurrent cases. On the other hand, late adverse effects of chemotherapy threaten the lif...

Journal: :International journal of reproduction, contraception, obstetrics and gynecology 2021

Granulosa cell tumor, a sex cord stromal estrogen secreting tumor presents with vaginal bleeding and is seen in all ages. It accounts for <5% of ovarian neoplasm. We reported rare case granulosa postmenopausal woman undergoing staging laparotomy total abdominal hysterectomy bilateral salpingo-oopherectomy malignant which was complicated by torsion, rupture hemorrhagic ascitis. Any should aro...

2016
Gongting Zhou Neng Lou Ling Wu Huajun Yu Qiyu Zhang

Gastrointestinal stromal tumors (GISTs) are mesenchymal tumors of the gastrointestinal tract with immunohistochemical reactivity for CD117 antibody. Gastrointestinal stromal tumor with synchronous gastric cancer is rare. A 69-year-old male presented with one-week history of epigastrium pain and vomit was admitted to our hospital. Subtotal gastrectomy and D2 lymph node dissection were performed,...

Birgul Ciftci, Enver Vardar Erdinc Top Funda Tasli Mehmet Yildirim Savas Yakan

Although the majority of mesenchymal lesions of the gastrointestinal tract are neoplastic in nature, but nonneoplastic reactive processes may also involve the gastrointestinal tract and mesentery. Some more aggressive neoplasms located in same area, such as fibromatosis or gastrointestinal stromal  tumors  may  be  cause  of  diagnostic  confusion.  Reactive  nodular  fibrous  pseudo  tumor (RN...

2014
Abdo E. Kabarriti Thomas J. Guzzo Alan J. Wein

Prostate stromal tumor of uncertain malignant potential is a term used to describe a specialized proliferation of stromal cells within the prostate. Most of these tumors tend to be benign, but some can present with local invasion or progress to prostatic stromal sarcoma with distant metastasis. We report a case of a 62-year-old male patient who presented to us with a diagnosis of stromal tumor ...

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