Struma ovarii is a specialized or monodermal teratoma predominantly composed of mature thyroid tissue [ 1 ]. Thyroid tissue must comprise more than 50 percent of the overall tissue to be classified as a struma ovarii. Struma ovarii accounts for approximately 5 percent of all ovarian teratomas [ 2-4 ] Struma ovarii is a rare ovarian tumor that was first described in 1899. It is defined by the presence of thyroid tissue comprising more than 50% of the overall mass. It most commonly occurs as part.. Material and methods: We retrospectively identified patients with histologically confirmed benign struma ovarii, treated in our institution between 2003-2016 with complete imaging, clinical, nd histopathological data available. Ultrasound findings were drawn from images, and reports using terms and definitions of the International Ovarian Tumor Analysis group and pattern recognition description was applied
Struma ovarii is an ovarian tumor containing either entirely or predominantly thyroid tissue and accounts for approximately 5% of all ovarian teratomas. In rare cases, both benign and malignant struma ovarii can secrete thyroid hormones, causing clinical and biochemical features of hyperthyroidism Struma ovarii tumor is a subtype of an ovarian teratoma and is composed entirely or predominantly of thyroid tissue and containing variable-sized follicles with colloid material Struma ovarii refers to a germ cell tumor that is composed of at least 50% thyroid tissue [1, 2]. These tumors account for about 2-3% of all ovarian tumors [ 1 - 3 ]. They are relatively rare, with no more than 200 cases reported in the literature [ 4 ]
A struma ovarii is a rare form of monodermal teratoma that contains mostly thyroid tissue, which may cause hyperthyroidism. Despite its name, struma ovarii is not restricted to the ovary. The vast majority of struma ovarii are benign tumours; however, malignant tumours of this type are found in a small percentage of cases Struma ovarii, originally described by von Kalden in 1895, occurs more often in countries where goiter is endemic and has maximum incidence in the fifth decade. It is defined as a teratoma in which thyroid tissue comprises more than 50% of the neoplasic tissue and is classified as benign or malign Struma ovarii is a rare histological diagnosis, a variant of dermoid in which thyroid tissue constitute >50% of the component, also called as monodermal ovarian teratoma where thyroid tissue predominates. This tumor was first described in 1889 by Boettlin Struma ovarii is a rare ovarian tumor defined by the presence of thyroid tissue comprising more than 50% of the overall mass. Most commonly, they occur as part of a teratoma, but may occasionally be encountered with serous or mucinous cystadenomas. [1 ] Struma ovarii were first described in 1899 and comprise 1% of all ovarian tumors Definition. An ovarian mature teratoma characterized by the presence of aberrant thyroid tissue with morphologic changes identical to thyroid carcinoma. Patients may present with abdominal mass and unusual symptoms due to thyrotoxicosis, or with Meigs syndrome (ascites and pleural effusion). [from NCI
Struma ovarii är en ovanlig tumör i äggstockarna, där tumörens celler fullständigt eller till större delen består av sköldkörtelceller. Det är därmed ett slags teratom, eftersom tumörens celler inte bildats av vävnad där tumören är belägen. De flesta struma ovarii är godartade Purpose Struma ovarii is rare, accounting for 0.3-1% of ovarian tumours. Malignant transformation may occur, most often into papillary thyroid carcinoma. There is a paucity of data pertaining to malignant struma ovarii. This paper shares a decade of experience of a single institution in the management of this rare ovarian cancer, exploring the characteristics of this tumour and suggesting a. Struma ovarii (SO) is a slow-growing ovarian neoplasm with thyroid tissue as its predominant component. It is an uncommon neoplasm, usually asymptomatic with an unknown risk of malignant transformation. Due to difficulties in assessing the rare biological nature and the discrepancies in the reported cases, a consensus on the appropriate treatment has not been definitively reached Struma ovarii is a rare, monodermal, ovarian teratoma. The common presentation is abdominal, with pelvic mass and pain, traditionally managed by gynaecologists. The malignant form is extremely rare and consists of differentiated thyroid cancer. It is rare for struma ovarii to present with features of hyperthyroidism Struma Ovarii is an infrequently observed mature teratoma that is almost exclusively composed of thyroid tissue filled with colloid. It is a typically benign tumor, but may transform into a malignancy
Struma ovarii is a monodermal variant of ovarian teratoma. Thyroid-type carcinoma arising in struma ovarii is rare. The most common type is papillary carcinoma, followed by typical follicular carcinoma. A 75-year-old hypertensive patient consulted for the sensation of a painless pelvic mass that has been progressing for six months. The abdominopelvic ultrasound showed a right lateralized. Struma ovarii is a unique variant of the monodermal teratomas of the ovary, which is entirely composed of thyroid tissue. It is a rare tumor which comprises 1-4% of all benign ovarian tumors1. The age of presentation ranges between 6 to 74 years. It is a benign tumor and is usuall
STRUMA OVARII 263 DR. FREDERICK H. FALLS, CHICAGO, ILL.-There is no question that pelvic measurements change from early pregnancy to the end of pregnancy, and particularly during labor. We forget that the pelvis is made up of numerous joints and that during pregnancy those joints are softened. DR Keywords: Struma ovarii, papillary thyroid carcinoma, malignant struma ovarii Introduction The monodermal teratoma struma ovarii (SO) was originally described by Bottlin in 1888 as dence in the fifth decade. It was found that 6% a rare form of ovarian tumor. Struma ovarii means ovarian goiter which originates from
Struma ovarii is a rare ovarian tumour, characterized by the presence of thyroid follicles inside the ovary, and more commonly discovered in teratomas, as was the case of our patient . Struma ovarii has no particular symptom and can be an incidental finding. Overall, 20% of patients present with pain and 80% are asymptomatic Struma ovarii, in which thyroid tissue constitutes more than 50 % of the component, is a special type of ovarian dermoid cyst and comprises approximately 2-3 % of all dermoid tumours [1, 2].It is mostly benign, with malignant transformation only occurring in 0.5-10 % of cases [4,5,6,7,8,9].Benign cysts may manifest as distant metastases, which makes them biologically similar to malignant. Struma Ovarii with a focus of papillary thyroid cancer: a case report and review of the literature. Gynecol Oncol. 2004 Sep. 94(3):835-9. . Robboy SJ, Shaco-Levy R, Peng RY, Snyder MJ, Donahue J.
Struma ovarii is an infrequent type of dermoid ovarian tumor that is usually benign and composed of at least 50% thyroid tissue. It may be part of a teratoma or cystadenoma and may also have a malignant character (papillary thyroid carcinoma). Thyroid tissue may be also found in the peritoneal cavity as in benign strumosis. In strumal carcinoid, the carcinoid tissue is present in the struma. Struma ovarii usually refers to the presence of significant amount of thyroid tissue in ovarian tumors, typically monodermal teratomas. Although a small amount of thyroid tissue may be present in. Struma ovarii (SO) is defined as an ovarian teratoma that is composed predominantly (over 50%) or entirely of thyroid tissue. [ 1] It may demonstrate pathologic features that can be seen in the normal thyroid including benign and malignant changes. [ 2] Although 5-15% of all ovarian teratomas may contain some thyroid tissue; only 2% of these. Struma ovarii is a rare tumor, it is a form of ovarian teratoma which is mostly composed of thyroid tissue; this tumor is asymptomatic in majority of cases [4]. However, in 5% of cases it can be symptomatic. Local symptoms can be pelvic pain or discomfort Struma ovarii is generally a benign condition with a very low rate of malignant transformation . Typical thyroid-type carcinoma presentation with extraovarian extension is relatively easy to diagnose; however, patients with a benign histological appearance present diagnostic difficulties
Struma ovarii are rare ovarian tumors, of monodermal germ cell origin, containing predominantly thyroid tissue. They are typically benign unilateral pelvic masses. Among the rare cases of malignancy, the most common histological type is that of the papillary carcinoma. A definite preoperative diagnosis of these tumors is difficult to achieve since most imaging findings are generally nonspecific Struma ovarii may appear as partly solid-cystic mass or as predominantly cystic tumor, closely resembling ovarian cancer [6, 7, 9, 10]. Matsuki et al described the MR features in three cases of cystic struma ovarii, as multilocular cystic masses with variable signal intensity of the cystic components [7]
Hyperthyroidism in struma ovarii is thought be caused by one of the three mechanisms11: (1) from hyperfunctioning struma ovarii; (2) from both hyperfunctioning struma ovarii and thyroid gland; (3) from hyperfunctioning thyroid gland with co-incidental presence of struma ovarii. Thus, most of these patients lack the detailed data of TFT. Introduction. Struma ovarii is a rare form of ovarian germ cell tumor and was first described by Gottschalk in 1899 ().Although ~5-15% of teratomas contain thyroid tissue, thyroid tissue must be predominant in the teratoma for the cancer to be classified as a struma ovarii ().Struma ovarii comprise only 1.4-2.7% of teratomas and only 1% of ovarian tumors, worldwide (1,3,4) Struma ovarii may appear as partly solid-cystic mass or as predominantly cystic tumor, closely resembling ovarian cancer [6,7,9,10]. Matsuki et al described the MR features in three cases of.
Struma Ovarii MRI imaging. If the dermoid cyst is composed only of mature thyroid tissue received the name of struma ovarii.. Typically presented as a multilocular cyst with heterogeneous signal intensity in the locules also known as stained-glass appearance on MRI. Thyroid colloid in the cystic space exhibits low intensity on both. Background: Malignant struma ovarii (MSO) is a germ cell tumor of the ovary histologically identical to differentiated thyroid cancers. There is a paucity of data on this neoplasm, with fewer than 200 reported cases. The primary objective of this study was to examine the survival rate of women diagnosed with MSO using data from the Surveillance, Epidemiology, and End Results (SEER) database HDFCO has been accepted as an unusual form of struma-derived thyroid-type carcinoma by authorities in the field.5 6 The term struma-derived thyroid-type carcinoma is applicable to all malignancies that arise in struma ovarii. To distinguish HDFCO from the more common forms, we apply the term typical struma-derived carcinoma for the latter
Interestingly, histopathologic analysis revealed malignant struma ovarii of the follicular type. Biopsy of the liver lesions confirmed metastatic disease with similar histopathologic findings. All thyroid laboratory values were in the normal range. The patient then had a total thyroidectomy to optimize thyroid ablation therapy with I-131 Struma-ovarii Verificador de Sintomas: possíveis causas incluem Bócio. Verifique já a lista completa de possíveis causas e condições! Fale com o nosso Chatbot para restringir a sua pesquisa Struma ovarii is majority a benign and very rare ovarian tumour. It is a subtype of ovarian mature teratoma and the most common form of monodermal teratoma.The presence of macroscopic and histologically detectable thyroid tissue with variable-sized follicles with colloid material characterize this identity [1]
review. Struma ovarii containing thyroid- type carcinoma must be distinguished from rare cases of papillary or follicular thyroid carcinoma metastatic to the ovary. 13,14 . Extrathyroidal strumas are not limited to the ovary. We are aware of two cases of struma salpingii, one of which was associated with struma ovarii. 15,16. A case of struma uter Struma ovarii is a rare monodermal variant of ovarian teratoma that contains at least % thyroid tissue. Less than % of struma ovarii cases present with clinical and biochemical evidence of thyrotoxicosis due to ectopic production of thyroid hormone an
Struma ovarii is a teratoma of the ovaries that contains a large amount of thyroid tissue. Like the cervical thyroid gland, this ectopic thyroid tissue can become autonomous. We present a case of hyperthyroidism caused by thyroid tissue in a large ovarian cystic teratoma and provide detailed endocrinological, radiological, and pathological. Struma ovarii is a rare monodermal germ cell tumor where the ovary is comprised of at least half thyroid tissue. This phenomenon may indicate an embryological origin. A 30-year old nulliparous woman presented with acute right lower quadrant pain and underwent laparoscopic right salpingo-oophorectomy. The excised ovarian mass showed evidence of struma-derived papillary thyroid carcinoma Background: Struma ovarii is a highly specialized form of mature ovarian teratoma consisting of thyroid tissue and exhibiting all the histological features of the thyroid gland. Malignant transformation of thyroid tissue in struma ovarii and metastasis are extremely uncommon. In rare cases, benign thyroid tissue may spread to the peritoneal cavity, and pathologic examination of the peritoneal. Struma ovarii denominates when only thyroid tissu e is present and it can lead to hyperthyroidism or become malignant. Objective: to study clinical and histopathological characteristics from struma ovarii on patients from the Hospital Universitario de Santander from January 2005 to December 2010. Methods: a cross sectional study was made. All. Benign struma ovarii may be associated with ascites in up to 17% of cases3,7.The ectopic thyroid tissue in struma ovarii may be subject to the same physiological and pathological changes as the thyroid gland. This explains why struma ovarii is sometimes associated with thyreotoxicosis3. Prognosis Patients with benign struma ovarii are cured by.
Struma ovarii reacts with antibodies to in some vessels, often in the central part of the thyroglobulin and thyroid transcription factor-1, neoplasm, but in the absence of sculpting, molding which also proved useful in nearly every instance in or adhesion to the endothelium, these foci were which it was performed Struma ovarii, a rare neoplasm, is a monophyletic teratoma composed of thyroid tissue. It is generally considered to account for less than 5% of mature teratomas. Its intraoperative evaluation can be difficult and errors in judging frozen sections may lead to overtreatment of patients. 1 We recently encountered two cases of cystic struma that. Struma ovarii este o conditie extrem de rara. Datorita naturii tiroidiene a tesutului ovarian, definirea de neoplazie a strumei ovarii este inca dezbatuta.Conditia este definita ca fiind prezenta unei tumori ovariene care contine tesut tiroidian ca tip celular predominant.Apar ca parte a unui teratom dar poate ocazional fi descoperita cu un chistadenom mucinos sau seros struma ovarii is also uncommon but might have been sus-pected because of struma ovarii at the histologic margin. Most importantly, however, because of the history of struma ovarii, when the patient developed new clinical hyperthy-roidism in the presence of Hashimoto's thyroiditis, the di-agnosis of ovarian tumor was made and the ovary was.
El struma ovarii es un tumor ovárico infrecuente de células germinales, monodérmico y especializado, caracterizado por la presencia total o parcial en su seno de tejido tiroideo. Las primeras referencias al respecto las hicieron Boettlin en 1889 y Pick en 1901 1.Estos tumores pueden tener potencial maligno, bien sea por sus características histológicas bien por su diseminación fuera del. Malignant struma ovarii, like other well differentiated thyroid carcinomas, will make and secrete thyroglobulin which serves as a tumor marker for remission or recurrence (12, 13), and 131-I scanning is useful to detect residual disease. Treatment of struma ovarii involves bilateral oophorectomy because of the frequency of bilateral teratoma Malignant transformation of struma ovarii is a rare event observed in about 5% of cases. We present here an unusual case that closely simulated highly differentiated follicular carcinoma, an entity with a relatively similar appearance to malignant struma ovarii. In our case, peritoneal and systemic dissemination occurred 18 y after excision of struma ovarii, which had been reported as.
Struma ovarii On the Web Most recent articles. Most cited articles. Review articles. CME Programs. Powerpoint slides. Images. American Roentgen Ray Society Images of Struma ovarii All Images X-rays Echo & Ultrasound CT Images MRI; Ongoing Trials at Clinical Trials.gov. US National Guidelines Clearinghouse. NICE Guidance. FDA on Struma ovarii. Introduction: Struma ovarii accounts for 2% of mature teratomas. Struma ovarii is diagnosed when thyroid tissue accounts for >50% of the teratoma. Malignant transformation is rare, occurring in <5% of struma ovarii cases. Case presentation: A 17-year-old patient was diagnosed with papillary thyroid cancer in struma ovarii. The patient exhibited menstrual disorders Struma ovarii is an ovarian teratoma and constitutes a rare cause of ectopic thyroidal hormonal production. We describe a case of struma ovarii that combined two different sources of hyperthyroidism in the same patient and report genetic studies in order to contribute a better understanding of the autonomy and tumorigenesis of the struma ovarii A struma ovarii is an unusual type of mature teratoma consisting of thyroid epithelium. It shows mostly benign histopathological features of thyroid tissue [].Hyperthyroidism develops in approximately 5% to 15% of patients, mostly due to an adenoma, and rarely due to follicular carcinoma [].However autoimmune thyroiditis with a struma ovarii has been described in a few case reports Struma ovarii is a rare ovarian germ cell tumor which is entirely or predominantly composed of thyroid tissue [].Struma ovarii has been reported in 0.3 % to 1.0 % of all ovarian tumors and 2.0 % to 4.0 % of all ovarian teratomas [].It commonly occurs in the fourth to sixth decades of life, and it is usually benign and unilateral
struma ovarii rare form of monodermal teratoma that contains mostly thyroid tissue, which may cause hyperthyroidism. Struma ovarii exhibiting malignant histology are uncommon, and aggressive clinical courses with initial extraovarian spread are even more rare. This report describes a case of malignant struma ovarii with a predominant anaplastic carcinoma component. A 65-yr-old, gravida 2, para 2, female presented with lower abdominal discomfort and pain
El struma ovarii es un teratoma ovárico de variante monodérmica, cuyas primeras descripciones fueron realizadas por Bottlin en 1889, quien reconoció que estaba constituido por tejido tiroideo (1, 2). El struma ovarii es un tumor poco frecuente, que representa el 0,3% de todas las neoplasias ováricas y que corresponde al grupo de los. Developed by renowned radiologists in each specialty, STATdx provides comprehensive decision support you can rely on - Struma Ovarii Struma ovarii is a rare clinical condition comprising thyroid tissue originating in mature cystic teratomas in the ovaries. It is recognized when more than 50% of the teratoma is occupied by thyroid tissue. Abdominal pain, bloating, and abnormal menses occasionally lead to the finding of struma ovarii
of methimazole. Repeat WBS with SPECT/CT revealed low 24-hour thyroidal uptake (RAIU = 2%) and intensely focal radioiodine uptake in a large heterogeneous left pelvic mass, consistent with left adnexal struma ovarii. Resection of this mass confirmed benign struma ovarii. This case illustrates the advantage of fusion SPECT/CT imaging with planar 123I-WBS for diagnosis of extrathyroidal. Struma ovarii is a rare form of ovarian teratomas, are composed of more than 50% thyroid tissue , and account for about 2% to 5% of ovarian teratomas and 0.5 to 1% of all ovarian tumors (3-5). Between 5 and 10% of struma ovarii cases are defined as MSO by the World Health Organization (WHO) and are histologically identified to differentiate. Struma Ovarii is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings).Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity Synonyms for struma ovarii in Free Thesaurus. Antonyms for struma ovarii. 3 words related to teratoma: neoplasm, tumor, tumour. What are synonyms for struma ovarii Definition of struma ovarii in the Definitions.net dictionary. Meaning of struma ovarii. What does struma ovarii mean? Information and translations of struma ovarii in the most comprehensive dictionary definitions resource on the web