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benign endometrial stromal nodule

Rui Zhang, Pei Gu, Qi Liu, Bin Li, Wenpei Bai
RATIONALE: Endometrial stromal nodule (ESN) is a rare benign endometrial stroma tumor.Experiences are helpful for avoiding and treating similar postoperative complications (cervical adhesions and atresia). PATIENT CONCERNS: When appearing in the cervical, this tumor can easily lead to complications after the surgical resection. The diagnosis and postsurgery complication of a young woman's ESN was reported here. DIAGNOSES: The postoperative pathological diagnosis was ESN...
December 2017: Medicine (Baltimore)
Kitty Pavlakis, Irini Messini, Petros Yiannou, Theofani Gavresea, Dimitris Chrysanthakis, Georgios Hilaris, Theodoros Panoskaltsis
AIM: The study was conducted to delineate the histological problems in diagnosing uterine mesenchymal tumors in morcellated material. METHODS: All cases of morcellated uteri performed between 2008 and 2014 were reviewed. The incidence of unexpected malignancy, defined as any neoplasm with a clear-cut diagnosis of leiomyosarcoma (LMS) or endometrial stromal sarcoma (ESS), was noted. Cases with absolute discrepancy between the diagnosis of the morcellated tumor and the subsequent diagnosis were also included in the study...
March 2017: Journal of Obstetrics and Gynaecology Research
W W Yong, J Perry-Keene
No abstract text is available yet for this article.
February 2016: Pathology
Andelko Hrzenjak
Endometrial stromal sarcomas (ESSs) belong to the rarest uterine malignancies (prevalence category <1-9/1,000,000). According to the new 2014 World Health Organisation (WHO) classification, they are separated into four categories; benign endometrial stromal nodules (ESNs), low grade endometrial stromal sarcomas (LG-ESSs), high-grade endometrial stromal sarcomas (HG-ESSs) and undifferentiated uterine sarcomas (UUSs). Due to heterogeneous histopathologic appearance these tumors still represent diagnostic challenge, even for experienced pathologists...
February 16, 2016: Orphanet Journal of Rare Diseases
Kumi Ozaki, Toshifumi Gabata
Endometrial stromal nodules are rare benign tumors that appear as well-circumscribed globular masses in the myometrium. In this report, a myometrial mass exhibited heterogeneous hyperintensity without hypointense bands on T2-weighted images and homogeneous isointensity on T1-weighted images. A dynamic contrast study revealed the same degree of uterine myometrial enhancement only in the marginal area. The structures were pathologically confirmed to correspond with proliferating endometrial stromal cells. Herein, we report this rare tumor and the correlation between magnetic resonance imaging and pathological findings...
January 2016: Journal of Obstetrics and Gynaecology Research
Camilla Skovvang Borg, Peter Humaidan, Hanne Noer, Huda Galib Majeed
Endometrial stromal tumors are rare, and endometrial stromal nodule is the least common. In the region of Middle Jutland, Denmark, only two cases are reported since 1995. The nodules are benign; nevertheless, hysterectomy is the treatment of choice. Tumor margins are required for diagnosis and essential to differentiate it from an invasive stromal sarcoma whose prognosis is very different. We report a rare case of a 38-year-old woman, with presurgical diagnosis of a uterine tumor/polyp. She presented with nausea and changes in bleeding pattern and initially had a transcervical polyp resection performed...
2015: Case Reports in Obstetrics and Gynecology
Karin Flicker, Elisabeth Smolle, Johannes Haybaeck, Farid Moinfar
INTRODUCTION: The endometrial stromal sarcoma (ESS) is a very rare uterine sarcoma, counting for 1-3% of all gynecologic malignancies. ESS represents 0.2-8% of all uterine malignant tumors and accounts for about 10% of all uterine sarcomas. With regard to chromosomal aberrations, very little is known about benign and malignant endometrial stromal tumors. METHODS: 30 tumors, consisting of 4 cases of benign endometrial stromal nodule (ESN), 22 cases of low-grade ESS and 4 cases of undifferentiated endometrial sarcoma (UES), were analyzed by array-comparative genomic hybridization (aCGH)...
June 2015: Experimental and Molecular Pathology
F M Saleh, N P Ansari, M F Eunus, T T Mirza
Among the endometrial tumour endometrial stromal nodule are very rare. It is one of the form of endometrial stromal tumour. There are no definite presurgical diagnosis and diagnosis in most instances by microscopy. Hysterectomy is the treatment of choice to evaluate the tumour margin to differentiate it from stromal sarcoma. We present a case of 40 years woman, ultrasonographically diagnosed as leiomyoma and ovarian cystadenoma, underwent a total abdominal hysterectomy with one sided salpingo-oophorectomy. Microscopic examination show an endometrial stromal nodule and serous cystadenoma of the ovary...
January 2015: Mymensingh Medical Journal: MMJ
Shunsuke Maruyama, Yukiyasu Sato, Yumiko Satake, Hiroko Mise, Tomoko Kim
Preoperative differentiation of benign endometrial stromal nodule (ESN) from malignant low-grade endometrial sarcoma (LGESS) is challenging, because it requires histological evaluation of the tumor-myometrium interface, which is difficult to obtain in conventional endometrial curettage. A 72-year-old postmenopausal woman presented with 5-year history of persistent vaginal bleeding. Histological examination of the endometrial curettage specimen revealed hyperplasia of apparently normal endometrial stromal cells...
2015: Case Reports in Obstetrics and Gynecology
Aya Tokinaga, Mitsuko Furuya, Hitoshi Niino, Naoko Udaka, Mikiko Asai-Sato, Hitoshi Sekido, Etsuko Miyagi
Endometrial stromal tumors (ESTs) are composed of cells resembling endometrial stroma, and are divided into benign and malignant types based on morphology. Endometrial stromal nodule (ESN) is a benign localized tumor, and endometrial stromal sarcoma (ESS) is an infiltrative and potentially metastatic neoplasm. A series of genetic aberrations contribute to pathological diagnosis of ESTs. At present, subsets of ESN and ESS-low grade (ESS-LG) are characterized as JAZF1-SUZ12/JJAZ1 gene fusion. The ESTs that show higher grade atypia but lack nuclear pleomorphism include YWHAE-FAM22 ESS...
April 2014: Pathology International
Dong Oh Kang, Sue In Choi, Jee Youn Oh, Jae Kyeom Sim, Jong Hyun Choi, Ji Yung Choo, Jin Wook Hwang, Seung Heon Lee, Ju-Han Lee, Ki Yeol Lee, Chol Shin, Je Hyeong Kim
Low-grade endometrial stromal sarcoma (ESS) is an uncommon gynecologic malignancy of mesodermal origin. Pulmonary metastasis of low-grade ESS can occur years and decades after the treatment of the primary disease. Low-grade ESS is frequently mistaken as benign uterine neoplasm like uterine leiomyoma, which can potentially lead to a misdiagnosis. We present a case of a 42-year-old woman with low-grade ESS, that initially presented as an incidental lung mass with multiple pulmonary nodules, seven years after an uterine myomectomy...
March 2014: Tuberculosis and Respiratory Diseases
Sujata Jetley, Safia Rana, Zeeba S Jairajpuri
Endometrial stromal sarcoma are rare malignant tumors of the uterus and has been described as the second most common malignant uterine mesenchymal tumor. The diagnosis is confirmed on hysterectomy for a presumed benign disease. In the latest World Health Organization (WHO) classification (2003), the term endometrial stromal tumor is applied to neoplasms typically composed of cells that morphologically resemble endometrial stromal cells of the nonneoplastic proliferative phase endometrium. The WHO recognizes three categories of endometrial stromal tumors: Endometrial stromal nodule, low-grade endometrial stromal sarcomas (LGESS), and undifferentiated endometrial sarcoma...
January 2014: Journal of Natural Science, Biology, and Medicine
Colin J R Stewart, Yee C Leung, Ashleigh Murch, Joanne Peverall
AIMS: To perform a population-based review of monomorphic endometrial stromal tumours and their histological mimics presenting over a 20-year period, including an evaluation of fluorescence in-situ hybridization (FISH) for the JAZF1 and YWHAE breakaparts. METHODS AND RESULTS: Forty-nine tumours were examined, comprising 13 histological mimics and 36 endometrial stromal tumours [six stromal nodules (ESNs), 25 low-grade stromal sarcomas (ESSs), and five monomorphic undifferentiated sarcomas (mUESs)]...
October 2014: Histopathology
Sten Stemme, Mehran Ghaderi, Joseph W Carlson
OBJECTIVES: To assess the difficulties associated with diagnosing endometrial stromal tumors (ESTs) on endometrial biopsy. METHODS: We examined 25 endometrial biopsy specimens from 19 consecutive women diagnosed with either endometrial stromal nodule (n = 3) or endometrial stromal sarcoma (n = 16). RESULTS: Rereview of the biopsy specimens revealed a stromal fragment suspicious for an EST in 16, of which eight had received a benign diagnosis on initial review...
January 2014: American Journal of Clinical Pathology
Anne-Laure Chesnais, Emmanuel Watkin, Daniel Beurton, Mojgan Devouassoux-Shisheboran
Four myxoid variant of uterine mesenchymal tumors are reported. One was a low grade stromal sarcoma with infiltrative margins and the others were well circumscribed tumors corresponding to an endometrial stromal nodule and two leiomyomas. They were hypocellular neoplasms composed of stellated cells with an abundant Alcian Blue positive myxoid matrix. The myxoid nature of the neoplasms obscured their cellular nature and made the distinction between smooth muscle and endometrial stromal tumors difficult. Endometrial stromal tumors, showed very focal areas of small basophilic cells, characteristic of endometrial stroma...
June 2011: Annales de Pathologie
F Z Fdili Alaoui, H Chaara, H Bouguern, M A Melhouf, H Fatemi, A Belmlih, A Amarti
Endometrial stromal nodule (ESN) is the least common of the endometrial stromal tumors. They are rare neoplasms which are diagnosed in most instances by light microscopy. Although such nodules are benign, hysterectomy has been considered the treatment of choice to determine the margins of the tumor required for diagnosis and to differentiate it from invasive stromal sarcoma Whose prognosis is totally different. We report a case of a 45 years old woman, with presurgical diagnosis of adnexal mass or uterine tumor...
2011: Case Reports in Medicine
Massimiliano Paci, Alberto Cavazza, Valerio Annessi, Tommaso Ricchetti, Cristian Rapicetta, Giorgio Sgarbi
Cystic fibrohistiocytic tumor of the lung is a rare neoplasm. In many cases it represents a metastasis from a benign or low-grade fibrohistiocytic tumor of the skin, but occasionally it may be primary. Radiologically it usually occurs as a cystic change of multiple pulmonary nodules, and pneumothorax is the most frequent presenting symptom. We present here a 16-year-old man with recurrent right pneumothorax. The patient had no history of cutaneous fibrohistiocytic lesions. He underwent videothoracoscopic right apical segmentectomy, right lower lobe nodulectomy, and pleuroabrasion...
March 31, 2010: Rare Tumors
S Lax
Uterine stromal neoplasms are classified into endometrial stromal nodules and stromal sarcomas, as well as undifferentiated sarcomas. The two former groups demonstrate identical histological composition, consisting of small monomorphous cells with scant cytoplasm and round nuclei and typically contain numerous arteriolar-type vessels. Stromal tumors are distinct from stromal nodules by virtue of their myometrial and vascular invasion. Undifferentiated sarcomas consist of polymorphic cells and lack any cytological similarity to the stroma of normal proliferative endometrium...
July 2009: Der Pathologe
Hiroshi Miyamoto, Carolyn E Jones, Daniel P Raymond, John C Wandtke, John G Strang, Patricia A Bourne, Thomas A Bonfiglio, Haodong Xu
AIMS: Uncommon cases of lung metastasis from different types of uterine neoplasms with a long tumour-free interval after hysterectomy are reported. METHODS AND RESULTS: Four cases were retrieved from our surgical pathology archives. Case 1 was a 68-year-old woman who had three pulmonary nodules 23 years after hysterectomy for low-grade endometrial stromal sarcoma (LGESS). The nodules obtained with video-assisted thoracic surgeries were consistent with metastatic LGESS...
2009: Pathology
Hui Li, Jinglan Wang, Xianyong Ma, Jeffrey Sklar
Chimeric gene products, most often resulting from chromosome translocations, have been considered unique features of cancer, or at least of cells at high risk for becoming cancerous. Chimeric JAZF1-JJAZ1 mRNA transcribed from DNA spanning the site of recombination in the (7;17)(p15;q21) chromosomal translocation found in half of endometrial stromal sarcomas and most cases of benign stromal nodules is one such example. The recent finding that chimeric JAZF1-JJAZ1 mRNA can also be detected in normal endometrial stromal cells suggests that chimeric gene products are not limited to cancer or pre-cancerous cells...
January 15, 2009: Cell Cycle
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