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Solitary Fibrous Tumor

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https://www.readbyqxmd.com/read/28340171/immunohistochemical-approach-to-the-differential-diagnosis-of-meningiomas-and-their-mimics
#1
Camille Boulagnon-Rombi, Clémence Fleury, Caroline Fichel, Sophie Lefour, Aude Marchal Bressenot, Guillaume Gauchotte
The differential diagnosis between meningioma and others tumors can be challenging. This study aimed to evaluate different immunohistochemical markers for the differential diagnosis between meningioma and their morphological mimics. Immunohistochemistry was performed on tissue microarray with antiepithelial membrane antigen (EMA), progesterone receptor, somatostatin receptor 2A (SSTR2A), CD34, STAT6, S100, SOX10, HMB45, MelanA, GFAP, inhibin, and BCL2 antibodies. One hundred and twenty-seven meningiomas, 26 solitary fibrous tumor/hemangiopericytomas (SFT/HPC), 39 schwannomas, 17 hemangioblastomas, 21 melanomas, 9 gliosarcomas, 5 neurofibromas, 9 peripheral primitive neuroectodermal tumors, 7 synovial sarcomas, and 5 malignant peripheral nerve sheath tumors were included in the microarray...
March 14, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28339069/transglutaminase-2-is-upregulated-in-primary-hepatocellular-carcinoma-with-early-recurrence-as-determined-by-proteomic-profiles
#2
Hiromi Yamaguchi, Kazumichi Kuroda, Masahiko Sugitani, Tadatoshi Takayama, Kiyoshi Hasegawa, Mariko Esumi
The mechanism of early recurrence of hepato-cellular carcinoma (HCC) is not well understood. To examine whether early intrahepatic metastasis of HCC can be determined by the reliable molecular characteristics of the primary HCC, we focused on early-stage tumors of primary and solitary HCC cases. Proteomic differences were investigated between two groups, 11 early (recurrence within 12 months) and 10 late (no recurrence within 48 months) HCC cases, using two-dimensional fluorescence difference gel electrophoresis...
March 20, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28337357/solitary-fibrous-tumor-of-the-prostate-which-was-initially-misdiagnosed-as-prostate-cancer
#3
Soma Osamu, Hiromi Murasawa, Atsushi Imai, Shingo Hatakeyama, Takahiro Yoneyama, Yasuhiro Hashimoto, Takuya Koie, Chikara Ohyama
Solitary fibrous tumor (SFT) of the prostate is a very rare tumor. We report a case of 65-year-old man with SFT of the prostate which was initially misdiagnosed as prostate cancer. Finally, we performed total prostatectomy and the tumor was histologically diagnosed as SFT of the prostate. The patient's clinical course has progressed favorably with no obvious recurrence 18 months postoperatively.
2017: Case Reports in Urology
https://www.readbyqxmd.com/read/28326216/an-unusual-clinical-presentation-of-solitary-fibrous-tumor-in-the-oral-cavity
#4
Everton Freitas de Morais, Deborah Gondim Lambert Moreira, Viviane Alves De Oliveira, Rodrigo Rodrigues Rodrigues, Adriano Rocha Germano, Roseana de Almeida Freitas
Solitary fibrous tumor is a rare neoplasm of mesenchymal origin that usually affects the pleura. This rarity becomes more relevant in the oral cavity since the clinical features are nonspecific. A 66-year-old female patient presented with a 3-month history of a swelling in the floor of the mouth, measuring 2 cm in greatest diameter, and pain symptomatology. Occlusal and panoramic radiographs showed no bone involvement. Ultrasonography of the submandibular and parotid salivary glands revealed normal morphology, dimensions, and echogenicity...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28316298/solitary-fibrous-tumors-of-the-pleura-current-diagnostic-tools
#5
Robert R J Coebergh van den Braak, Klaas A Hartholt, Ben J Pannekoek, Frank Smedts, Maarten van der Elst
No abstract text is available yet for this article.
March 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28296778/malignant-solitary-fibrous-tumor-in-retroperitoneum-a-case-report-and-literature-review
#6
Yihong Zhou, Xi Chu, Ye Yi, Liang Tong, Yingbo Dai
RATIONALE: Solitary fibrous tumor (SFT) is a rare mesenchymal tumor occurs in various sites. Malignant SFT in retroperitoneum is extremely rare. PATIENT CONCERNS: We report a case of malignant retroperitoneal SFT in a 59-year-old man presented with right flank pain for 1 month. DIAGNOSES, INTERVENTIONS AND OUTCOMES: A laparotomy and resection of the tumor were performed, the histopathologic and immunohistochemical findings were consistent with malignant retroperitoneal SFT...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28293014/-intrapulmonary-solitary-fibrous-tumor-report-of-a-case
#7
Yoshimasa Tokunaga, Taku Okamoto, SungSoo Chang
An abnormal lung shadow was detected in a 39-year-old woman at physical examination and she was followed-up carefully at a nearby hospital. After 5 years follow-up, the patient was referred to our hospital for further examination of the abnormal shadow. A chest computed tomography(CT) scan revealed a 12 mm well-circumscribed nodular shadow in the right lower lobe. A benign tumor such as a hamartoma was suspected preoperatively;video-assisted thoracic surgery was performed for both diagnosis and treatment. Partial resection of the right lower lobe was performed and the tumor was diagnosed as an intrapulmonary solitary fibrous tumor (SFT)...
March 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28288036/gist-manifesting-as-a-retroperitoneal-tumor-clinicopathologic-immunohistochemical-and-molecular-genetic-study-of-112-cases
#8
Markku Miettinen, Anna Felisiak-Golabek, Zengfeng Wang, Shingo Inaguma, Jerzy Lasota
Most gastrointestinal stromal tumors (GISTs) occur in the tubular gastrointestinal (GI) tract, but some present apparently outside the GI tract. In this study, we analyzed 112 GISTs located in the retroperitoneum. These tumors occurred in 55 women and 57 men with a median age of 65 years (range: 21 to 89 y). On the basis of clinically or histologically detected connections to GI tract, 15 tumors were considered likely of gastric, 9 duodenal, and 13 of small intestinal origin. The remaining cases were categorized by location as peripancreatic (n=25), pelvic (n=11), mesenteric (n=4), and of unspecified/miscellaneous sites (n=35)...
March 10, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28286800/solitary-fibrous-tumor-of-the-stomach
#9
Faisal Inayat, Qulsoom Hussain, Khurram Shafique, Abu Hurairah, Evan B Grossman
Solitary fibrous tumor is a rare mesenchymal neoplasm that usually originates from the pleura, but has been reported in other extrapleural locations. We report a rare case of a solitary fibrous tumor of the stomach, which was successfully treated with endoscopic mucosal resection.
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28272656/solitary-fibrous-tumor-of-the-vagina-with-potentially-malignant-features-a-case-report-and-review-of-the-literature
#10
Asuman Reyhan
Extrapleural solitary fibrous tumors are being increasingly reported. The retroperitoneum, deep soft tissues of the proximal extremities, abdominal cavity, trunk, head and neck are among the most common extraserosal locations reported. A recurrent solitary fibrous tumor involving the vagina of a 25-year-old woman is reported. Microscopically, the tumor was hypercellular and composed of mitotically active spindle cells. Immunohistochemically, the tumor cells were positive for vimentin, CD34, and bcl-2. Four cases of solitary fibrous tumors involving the vagina have been reported previously...
February 4, 2017: Türk Patoloji Dergisi
https://www.readbyqxmd.com/read/28253927/low-tissue-levels-of-mir-125b-predict-malignancy-in-solitary-fibrous-tumors-of-the-pleura
#11
Matthias Brock, Selma Hottinger, Matthias Diebold, Alex Soltermann, Wolfram Jochum, Malcolm Kohler, Lars C Huber, Daniel P Franzen
BACKGROUND: Solitary fibrous tumors of the pleura (SFTP) are rare neoplasia of the chest. A subset of SFTP follows a malignant course, sometimes several years after complete resection. Traditional scoring systems based on clinical and histological features are poor predictors of biological behavior. This study aimed to investigate tumor-associated miRNAs expression as novel biomarkers to predict the clinical behavior of SFTP. METHODS: Formalin-fixed and paraffin-embedded SFTP tissues blocks from patients surgically resected between 1992 and 2013 at two tertiary care teaching hospitals were included...
March 2, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28252420/metaphyseal-cortical-defect-and-tumor-like-processes-of-long-bones-a-literature-review-and-own-observations
#12
N Lysenko, Ye Sharmazanova, I Voronzhev, A Sorochan, Yu Kolomiychenko
Metaphyseal cortical defect (metaphyseal fibrous defect, cortical fibrous defect) of the long bones is a quite common variant of the bone structure's pathologic changes. The cortical defects and similar to their tumor-like processes (non-ossifying fibroma, benign fibrous histiocytoma etc.) are characterized by particular qualities of the clinical symptoms and radiologic signs. The aim of this article is to analyze a known literature data about cortical fibrous defects of long bones and similar to their tumor-like processes and present results of our own observations...
January 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28250642/malignant-solitary-fibrous-tumor-of-thoracic-spine-with-distant-metastases-second-reported-case-and-review-of-the-literature
#13
Rituparna Biswas, Anirban Halder, Prashant P Ramteke, Rambha Pandey
Solitary fibrous tumor (SFT) usually originates from the pleura because of abnormal proliferation of fibroblast cells. It is extremely rare for the tumor to originate from the spine. Here, we report the second case of malignant SFT of thoracic spine with distant metastases in a 35-years-old female.
January 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28228892/metastatic-extrapleural-malignant-solitary-fibrous-tumor-presenting-with-hypoglycemia-doege-potter-syndrome
#14
Andrew J Degnan, Kenneth K W Lee, Marta I Minervini, Amir A Borhani
We report a rare case of metastatic malignant solitary fibrous tumor (SFT) that presented with hypoglycemia because of insulin growth factor-2 production. Initial workup included computed tomography imaging that revealed a large, partially necrotic liver mass, a hypervascular pancreatic head lesion, and 2 renal lesions. Following hepatic resection, pancreatic head resection and nephrectomy, all these lesions demonstrated pathological findings that were consistent with SFT. The patient also had a history of an intracranial mass that had been previously resected and treated with gamma knife therapy at an outside institution, which was found to also be SFT...
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28219174/-solitary-fibrous-tumor-in-the-nasopharynx-a-case-report
#15
W J Zheng, H Zhang
No abstract text is available yet for this article.
February 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28210572/endobronchial-solitary-fibrous-tumor
#16
Cristiano Claudino Oliveira, Marcelo Padovani Toledo de Moraes, Thomas Colby, Gilmar Felisberto Oliveira, Erica Nishida Hasimoto, Daniele Cristina Cataneo, Antônio José Maria Cataneo, Julio De Faveri
Solitary fibrous tumor (SFT) is a mesenchymal neoplasm that appears primarily in the pleura and rarely in intrapulmonary or endobronchial topography. The authors report the case of a 47-year-old woman who presented obstructive respiratory symptoms for 4 years. The chest computed tomography and bronchoscopy showed an obstructive polypoid lesion located between the trachea and the left main bronchus associated with distal atelectasis of the left lung. A resection of the lesion was performed and, macroscopically, the mass was oval, encapsulated, and firm, measuring 2...
October 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/28152587/malignant-solitary-fibrous-tumor-with-heterologous-rhabdomyosarcomatous-differentiation-a-case-report
#17
Jeong-Hwa Kwon, Joon Seon Song, Hye Won Jung, Jong-Seok Lee, Kyung-Ja Cho
Malignant solitary fibrous tumor (MSFT) is a well-described entity, from which heterologous differentiation is extremely rare. We encountered a case of MSFT with rhabdomyosarcomatous differentiation in a 56-year-old man. This patient presented with a large mass in his posterior thigh. He had been treated with chemoradiation for sarcoma involving the cervical spine, right femoral head, and both lungs 6 months earlier. A wide excision was performed. The mass measured 10.6 cm and showed a fish-flesh cut surface with necrotic foci...
March 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28133290/-a-surgical-case-of-solitary-fibrous-tumor-originating-from-the-greater-omentum
#18
Toshiya Michiura, Kazuo Yamabe, Nobuyasu Hayashi, Yasuaki Miyazaki, Satoshi Sugimoto, Kensuke Kojima, Makio Nagaoka
A36 -year-old man with intellectual disabilities consulted a local physician complaining of a cough, and an abdominal mass was observed on palpation. The patient visited our hospital for close examination. Abdominal contrasting CT revealed a mass with a clear boundary with heterogeneous contrast on the left side of his abdominal cavity. We performed a laparotomy and observed that the tumor originated from the greater omentum. The tumor size was 9×8×6 cm and its weight was 200 g. Histopathologic examination showed hyperplastic spindle-shaped tumor cells with less nuclear fission...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28128724/validation-of-nuclear-stat6-immunostaining-as-a-diagnostic-marker-of-meningeal-solitary-fibrous-tumor-sft-hemangiopericytoma
#19
Anna S Berghoff, Philip Kresl, Michal Bienkowski, Christian Koelsche, Ursula Rajky, Johannes A Hainfellner, Matthias Preusser
INTRODUCTION: NAB2-STAT6 gene fusion is a molecular characteristic of solitary fibrous tumors (SFT) and hemangiopericytoma, underscoring their definition as one diagnostic entity. NAB2-STAT6 fusion is associated with nuclear relocation of STAT6 protein that can be detected by immunohistochemistry. We evaluated the diagnostic value of STAT6 expression in meningeal tumors. METHODS: 77 meningeal tumors (17/77 (22.0%) SFT/hemangiopericytoma, 11/77 meningothelial meningioma, 10/77 atypical meningioma 8/77 chordoid meningioma, 9/77 fibroblastic meningioma, 10/77 transitional meningioma, 3/77 rhabdoid meningioma and 9/77 anaplastic meningioma) were included...
March 2017: Clinical Neuropathology
https://www.readbyqxmd.com/read/28112700/a-case-of-solitary-fibrous-pleura-tumor-associated-with-severe-hypoglycemia-the-doege-potter-s-syndrome
#20
Silvia Haddoub, L Gnetti, A Montanari, R Di Ruvo, P Carbognani, F Maccanelli, M G Magotti, M C Calderini, Federico Cioni, S M Tardio
Solitary fibrous pleura tumor is a rare primary intrathoracic tumor of the pleura. It usually has an indolent clinical course, but sometimes it can have an aggressive behaviour. In 1930 Doege and Potter independently described this neoplasm, presenting with symptoms of hypoglycemia, hence the eponim of Doege-Potter's Syndrome. In this report, we illustrate a case of Doege Potter's Syndrome, treated with complete surgical resection.
January 16, 2017: Acta Bio-medica: Atenei Parmensis
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