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Thyroid teratoma treatment

Jose Ting, Diana Bell, Salmaan Ahmed, Anita Ying, Steven G Waguespack, Shi-Ming Tu, Randal Weber, Mark Zafereo
BACKGROUND: Primary malignant thyroid teratomas are very rare tumors (fewer than 35 previously reported cases in the literature) typically affecting young adult women. While prognosis is poor, there have been some reports of successful treatment regimens. Four cases treated successfully are reported, and a review of the existing literature is provided. PATIENT FINDINGS: Medical records of four patients with histopathologically confirmed malignant thyroid teratomas treated at the University of Texas MD Anderson Cancer Center between 1994 and 2017 were reviewed...
February 2019: Thyroid: Official Journal of the American Thyroid Association
Hakan Cokmez, Aysegul Gulbahar, Seyran Yigit, Cetin Aydin
Mature cystic teratoma (MCT) is the most common germ cell ovarian tumour, which accounts for 15-20% of all ovarian neoplasms. The frequency of MCT cases undergoing malignant transformation ranges from 0.17% to 2%. Our aim for presenting this case is to contribute to formation of an algorithm in the literature for the treatment and follow-up of MCT undergoing malignant transformation. A 38-year-old female patient presented to the emergency service with acute abdomen. The patient underwent salpingo-oophorectomy due to a prediagnosis of ovarian torsion with a dermoid cyst...
January 2019: JPMA. the Journal of the Pakistan Medical Association
Naoyuki Iwahashi, Yoko Deguchi, Yuko Horiuchi, Tomoko Noguchi, Tamaki Yahata, Nami Ota, Kazuhiko Ino, Kenichi Furukawa
Papillary thyroid carcinoma arising from ovarian mature cystic teratoma is clinically rare. We herein present a case of live birth following two laparoscopic surgeries for papillary thyroid carcinoma arising in a mature ovarian cystic teratoma. A 30-year-old female patient, gravida 1 para 1, was treated by laparoscopic bilateral ovarian cystectomy for suspicion of bilateral mature cystic teratoma. The diagnosis of papillary thyroid carcinoma arising from right ovarian mature cystic teratoma was established based on postoperative pathological examination of the tumor...
December 2018: Molecular and Clinical Oncology
Aylin Oral, Bülent Yazıcı, Cenk Eraslan, Zeynep Burak
Objective: Radioiodine is the most specific radionuclide for differentiated thyroid carcinoma (DTC) imaging. Despite its high specificity and sensitivity, false-positive I-131 uptake could be seen on whole body scan (WBS) that may lead to misdiagnosis and unnecessary radioiodine treatment. In this study, we aimed to present the I-131 WBS and concomitant single photon emission computed tomography/computed tomography (SPECT/CT) images of unexpected false-positive radioiodine uptake along with the patients’ clinical outcomes and the contribution of SPECT/CT imaging...
October 9, 2018: Molecular Imaging and Radionuclide Therapy
Corey J Lager, Ronald J Koenig, Richard W Lieberman, Anca M Avram
Background: Malignant struma ovarii is an ovarian teratoma containing at least 50% thyroid tissue which has the potential to metastasize and produce thyroid hormone. Given its rarity, management strategies are not well-established. We report a case of metastatic malignant struma ovarii discovered during pregnancy with lessons for evaluation and management. Case presentation: A 30-year-old woman who was two months pregnant was discovered to have struma ovarii with over half of the struma comprised of papillary thyroid cancer...
2018: Clinical Diabetes and Endocrinology
Angiolo Gadducci, Sabina Pistolesi, Maria Elena Guerrieri, Stefania Cosio, Francesco Giuseppe Carbone, Antonio Giuseppe Naccarato
Malignant transformation occurs in 1.5-2% of mature cystic teratomas (MCT)s of the ovary and usually consists of squamous cell carcinoma, whereas other malignancies are less common. Diagnosis and treatment represent a challenge for gynecologic oncologists. The preoperative detection is very difficult and the diagnostic accuracy of imaging examinations is uncertain. The tumor is usually detected post-operatively based on histopathologic findings. This paper reviewed 206 consecutive patients who underwent surgery for a histologically-proven MCT of the ovary between 2010 and 2017...
June 2018: Anticancer Research
Coriolan Lebreton, Abir Al Ghuzlan, Anne Floquet, Michèle Kind, Sophie Leboulleux, Yann Godbert
Thyroid carcinoma on struma ovarii (TCSO) is a rare ovarian tumour, derivate from monodermic teratomas. It represents about 0.01% of overall ovarian tumours and 5 to 10% of struma ovarii. The diagnosis is histologic and retrospective after pelvic surgery; radiographic imaging being unspecific. Because of its rarity, the treatment of TCSO is not consensual and should be validated in multidisciplinary team involved in rare ovarian carcinoma. The first treatment is a surgical removal, with a laparoscopic approach...
March 2018: Bulletin du Cancer
Juliane Comunello, Fábio Fernando Eloi Pinto, Suely Akiko Nakagawa, Wu Tu Chung, Felipe D'Almeida Costa, Américo Delgado Brilhante
CASE: We report the case of a 38-year-old woman who presented with a lytic bone lesion in the left scapula. A biopsy showed a tumor with the histologic appearance of thyroid tissue. She also was found to have a thyroid nodule and an enlarged ovary, both of which were excised. The thyroid nodule turned out to be a benign colloid nodule, and the ovary contained a monodermal teratoma composed of thyroid tissue (struma ovarii). The lesion in the scapula eventually was proven to be metastatic malignant struma ovarii...
October 2017: JBJS Case Connector
Carlo Gobitti, Alessandro Sindoni, Chiara Bampo, Tanja Baresic, Giorgio Giorda, Lara Alessandrini, Vincenzo Canzonieri, Giovanni Franchin, Eugenio Borsatti
Struma ovarii (SO), a rare tumor containing at least 50% of thyroid tissue, represents approximately 5% of all ovarian teratomas; its malignant transformation rate is reported to occur in up to 10% of cases and metastases occur in about 5-6% of them. We describe a 36-year old woman who underwent laparoscopic left annessectomy two years earlier because of an ovarian cyst. Follow-up imaging revealed a right adnexal mass, ascitis and peritoneal nodes that were diagnosed as comprising a malignant SO with peritoneal secondary localizations at histopathology performed after intervention...
July 2017: Hormones: International Journal of Endocrinology and Metabolism
Delia Gabriela Ciobanu Apostol, Tudor Andrei BuŢureanu, Demetra Gabriela Socolov, Daniela Claudia Scripcaru, Oana LuminiŢa Rosin, Ludmila Lozneanu
Strumal carcinoid represents a rare form of ovarian teratoma, consisting of both thyroid tissue and carcinoid structures. The carcinoid component is a well-differentiated neuroendocrine tumor with excellent prognosis. Strumal carcinoid tumors are commonly found in peri-menopausal women who are not usually interested in preserving their fertility and who are thus open to radical surgical treatment. In this report, we present a 24-year-old, nulliparous patient with strumal carcinoid, confirmed by histopathology and a large panel of immunohistochemistry (IHC) markers, who wished to preserve her fertility...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
Antoni Llueca, Yasmine Maazouzi, Jose Luis Herraiz, Mari Carmen Medina, Dolors Piquer, Blanca Segarra, Raquel Del Moral, Anna Serra, Guillermo Bassols
INTRODUCTION: Struma ovarii is a rare ovarian tumor, representing 0.5-1% of all ovarian tumors and 2-5% of ovarian teratomas. It is defined as an ovarian teratoma composed mostly of thyroid tissue. The symptoms are nonspecific, and the imaging studies can help in characterize the mass; however, the definitive diagnosis is usually given by the Pathologist. Classically, the treatment is the surgical resection of the ovarian mass, however there is no consensus regarding the follow-up. PRESENTATION OF CASE: An asymptomatic malignant struma ovarii in a 43 year-old patient is presented...
2017: International Journal of Surgery Case Reports
Maria M Pineyro, Jimena Pereda, Pamela Schou, Karina de Los Santos, Soledad de la Peña, Benedicta Caserta, Raul Pisabarro
Mature cystic teratoma is the most common kind of ovarian germ cell tumor. Malignant transformation is uncommon, with thyroid cancer rarely found. Papillary thyroid microcarcinoma has rarely been described as associated with ovarian teratomas. We report a case of a 34-year-old woman who presented with abdominal pain and an ovarian mass. After surgery, the patient was diagnosed with a follicular variant papillary thyroid microcarcinoma that arose within a mature cystic ovarian teratoma. Based on the small size of the primary lesion and patient preferences, no further treatment was performed...
2017: Clinical Medicine Insights. Endocrinology and Diabetes
Patrycja Ziober-Malinowska, Krzysztof Kułak, Elżbieta Witt, Matthias Korell, Jan Kotarski, Rafał Tarkowski
Teratomas are the most common tumors of the ovary occurring in girls and young women. Derived from primordial germ cell and embryonic gonads have the ability to differentiate into the three germ layers. In about 95% of cases are benign, and their most common form is a dermoid cyst of the ovary. This paper aims to present the relationship described tumors of autoimmune hemolytic anemia, anti-NMDA-dependent autoimmune inflammation of the brain and thyroid disease. It reminds us that teratomas are not always insulated disease entities and may have a significant impact on the course of coexisting diseases and their treatment...
2016: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Weihe Zhang, Li Yan, Jinsong Jiao
We present an atypical case of relapsed anti-NMDAR encephalitis in a young female patient without an associated ovarian teratoma. She presented with recurrent seizure attacks with muscle weakness, psychosis, dyskinesia, autonomic failure and insomnia. She was first misdiagnosed as mitochondrial encephalomyopathy with lactic acidosis and stroke-like episodes (MELAS) then Hashimoto's encephalopathy due to diffuse cerebral lesions, elevated serum lactic acid concentration, increased amount of thyroid peroxidase and thyroglobulin antibodies in serum and diffuse lesions of the thyroid gland...
January 18, 2017: Neuroscience Letters
Guilherme Rabinowits, Justine Barletta, Lynette M Sholl, Encarnacion Reche, Jochen Lorch, Laura Goguen
BACKGROUND: Malignant thyroid teratomas are rare tumors with a poor prognosis. Little is known about their pathogenesis or treatment. Here, the case is reported of an adult woman with an aggressive thyroid teratoma with primitive neuroectodermal tumor (PNET) malignant transformation, successfully managed with neoadjuvant chemotherapy and surgery. PATIENT FINDINGS: Sequencing of paired tumor and normal tissues revealed a DICER1 c.5438A>G (p.E1813G) somatic mutation in 56% of sequencing reads consistent with a driver event...
January 2017: Thyroid: Official Journal of the American Thyroid Association
Sarah J Sternlieb, Celine Satija, David T Pointer, Byron E Crawford, Lacey Sullivan, Emad Kandil
Struma ovarii is a rare type of ovarian teratoma comprised of at least 50% thyroid tissue. While most are benign, 70% of malignant cases are diagnosed as papillary carcinoma. Management of patients with thyroid nodules following gynecologic surgery remains controversial and variable. Historically, the treatment of choice has been surgical removal to rule out ovarian carcinoma. Thyroid follow-up and further treatment options are guided by tumor characteristics. The patient in this case presented to the endocrine surgeon with multiple thyroid nodules, dysphagia and a history of struma ovarii that was surgically treated at an outside hospital...
August 2016: Gland Surgery
Rafał Zieliński, Maria Respondek-Liberska
Ultrasound prenatal examination enables one to assess the facial skeleton and the neck from the first weeks of gestation. Cervicofacial tumors detected via prenatal ultrasound are very rarely reported fetal pathologies. They include cystic hygromas, teratomas, epulides, vascular tumors, and thyroid tumors. The tumor category, its location and vascularization pattern allow one to accurately establish a diagnosis which is usually confirmed by clinical examination of the neonate or a pathological examination (surgical specimen, biopsy, autopsy)...
August 1, 2016: Archives of Medical Science: AMS
Deqin Ma, Natalya V Guseva, Laila Dahmoush, Robert A Robinson
Struma ovarii accounts for 5% of ovarian teratomas. Malignant transformation occurs in <0.3%, however, the underlying molecular mechanism is unknown. We report a patient with follicular variant and tall cell variant of papillary thyroid carcinoma (PTC) arising from struma ovarii and coexisting incidental PTC in the thyroid. Mutation analysis by next-generation sequencing identified a novel germline mutation, KIT p.V530I mutation in the tumors and normal ovarian and thyroid tissue. Immunohistochemical staining showed loss of KIT expression in the PTCs...
September 2016: International Journal of Gynecological Pathology
Marco Russo, Ilenia Marturano, Romilda Masucci, Melania Caruso, Maria Concetta Fornito, Dario Tumino, Martina Tavarelli, Sebastiano Squatrito, Gabriella Pellegriti
UNLABELLED: Struma ovarii is a rare ovarian teratoma characterized by the presence of thyroid tissue as the major component. Malignant transformation of the thyroidal component (malignant struma ovarii) has been reported in approximately 5% of struma ovarii. The management and follow-up of this unusual disease remain controversial. We report the case of a woman with a history of autoimmune thyroiditis and a previous resection of a benign struma ovarii that underwent hystero-annexiectomy for malignant struma ovarii with multiple papillary thyroid cancer foci and peritoneal involvement...
2016: Endocrinology, Diabetes & Metabolism Case Reports
G Lamblin, C Gallice, C Bournaud, B Nadaud, K Lebail-Carval, G Chene
OBJECTIVE: Struma ovarii is a monodermal teratoma composed of thyroid tissue, representing 0.85 to 1.3% of ovarian tumors. The objective of the present study is to report a continuous series of struma ovarii, with a comprehensive analysis of the literature. METHODS: A retrospective study in the gynecological surgery department of Hôpital Femme-Mère-Enfant (Hospices Civils de Lyon, Lyon, France) assessed a continuous series of struma ovarii from the Lyon East Pathology Center database...
May 2016: Gynécologie, Obstétrique & Fertilité
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