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Invasive thymoma

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https://www.readbyqxmd.com/read/29682176/high-ctla-4-expression-correlates-with-poor-prognosis-in-thymoma-patients
#1
Giorgio Santoni, Consuelo Amantini, Maria Beatrice Morelli, Daniele Tomassoni, Matteo Santoni, Oliviero Marinelli, Massimo Nabissi, Claudio Cardinali, Vittorio Paolucci, Mariangela Torniai, Silvia Rinaldi, Francesca Morgese, Giovanni Bernardini, Rossana Berardi
Thymomas, tumors that arise from epithelial cells of the thymus gland, are the most common neoplasms of the anterior mediastinum, with an incidence rate of approximately 2.5 per million/year. Cytotoxic T Lymphocyte Antigen 4 (CTLA-4 or CD152) exerts inhibitory activity on T cells, and since its oncogenic role in the progression of different types of tumors, it has emerged as a potential therapeutic target in cancer patients. In this study, we assessed the expression of CTLA-4 both at mRNA and protein levels in paraffin embedded-tissues from patients with thymomas...
March 30, 2018: Oncotarget
https://www.readbyqxmd.com/read/29626459/an-unusual-invasive-ectopic-thymoma-in-the-thyroid-and-anterior-mediastinum
#2
Haruaki Hino, Jun-Ichi Nitadori, Keiko Ohno, Seiji Kishimoto, Masatoki Takahashi, Mototsune Kakizaki, Tomio Arai, Nishimura Takashi, Jun Nakajima
An 81-year-old woman with a 2-year history of dysphagia detected a cervical mass. Computed tomography showed a thyroid tumor extending through the superior and anterior mediastinum. Incisional biopsy revealed a thymoma. Total resection of the thyroid and mediastinal tumor was performed. The thymoma invaded the anterior tracheal wall and left brachiocephalic vein. Pathological examination revealed thymoma type B1 concomitant with B2 and B3 (World Health Organization classification), Masaoka IVb and T3N2M0-IVb, with cervical lymph node metastasis...
April 4, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29587903/-minimally-invasive-surgery-in-thymic-malignances
#3
Wentao Fang, Zhitao Gu, Keneng Chen
Surgery is the most important therapy for thymic malignances. The last decade has seen increasing adoption of minimally invasive surgery (MIS) for thymectomy. MIS for early stage thymoma patients has been shown to yield similar oncological results while being helpful in minimize surgical trauma, improving postoperative recovery, and reduce incisional pain. Meanwhile, With the advance in surgical techniques, the patients with locally advanced thymic tumors, preoperative induction therapies or recurrent diseases, may also benefit from MIS in selected cases...
April 20, 2018: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/29547970/comparing-robotic-and-trans-sternal-thymectomy-for-early-stage-thymoma-a-propensity-score-matching-study
#4
Giuseppe Marulli, Giovanni Maria Comacchio, Marco Schiavon, Alessandro Rebusso, Marco Mammana, Davide Zampieri, Egle Perissinotto, Federico Rea
OBJECTIVES: Minimally invasive techniques seem to be promising alternatives to open approaches in the surgical treatment of early-stage thymoma, although there are controversies because of lack of data on long-term results. The aim of the study was to evaluate the surgical and oncological results after robotic thymectomy for early-stage thymoma compared to median sternotomy. METHODS: Between 1982 and 2017, 164 patients with early-stage thymoma (Masaoka I and II) were operated on by median sternotomy (108 patients) or the robotic approach (56 patients)...
March 13, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29515082/thymectomy-during-myasthenic-crisis-under-artificial-respiration
#5
Takuya Onuki, Sho Ueda, Shinichi Otsu, Takahiro Yanagihara, Naoki Kawakami, Masatoshi Yamaoka, Masaharu Inagaki
A 34-year-old man was diagnosed with thymoma, which was evaluated preoperatively as stage II or III, with myasthenia gravis (MG). The size of the tumor was 70 × 44 × 80 mm. No invasion to neighboring organs was observed. Prednisolone was prescribed for stabilization of MG. However, a myasthenic crisis (MC) occurred, and intensive care, including emergent endobronchial intubation followed by artificial ventilation, pulse steroid therapy, high-dose intravenous immunoglobulin, and tacrolimus hydrate, was initiated...
March 7, 2018: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29364837/volumetric-modulated-arc-radio-therapy-in-pets-treatment-the-la-cittadina-fondazione-experience
#6
REVIEW
Mario Dolera, Luca Malfassi, Nancy Carrara, Sara Finesso, Silvia Marcarini, Giovanni Mazza, Simone Pavesi, Massimo Sala, Gaetano Urso
Volumetric Modulated Arc Therapy (VMAT) is a modern technique, widely used in human radiotherapy, which allows a high dose to be delivered to tumor volumes and low doses to the surrounding organs at risk (OAR). Veterinary clinics takes advantage of this feature due to the small target volumes and distances between the target and the OAR. Sparing the OAR permits dose escalation, and hypofractionation regimens reduce the number of treatment sessions with a simpler manageability in the veterinary field. Multimodal volumes definition is mandatory for the small volumes involved and a positioning device precisely reproducible with a setup confirmation is needed before each session for avoiding missing the target...
January 24, 2018: Cancers
https://www.readbyqxmd.com/read/29322496/wt1-peptide-based-immunotherapy-for-advanced-thymic-epithelial-malignancies
#7
Yusuke Oji, Masayoshi Inoue, Yoshito Takeda, Naoki Hosen, Yasushi Shintani, Manabu Kawakami, Takuya Harada, Yui Murakami, Miki Iwai, Mari Fukuda, Sumiyuki Nishida, Jun Nakata, Yoshiki Nakae, Satoshi Takashima, Toshiaki Shirakata, Hiroko Nakajima, Kana Hasegawa, Hiroshi Kida, Takashi Kijima, Soyoko Morimoto, Fumihiro Fujiki, Akihiro Tsuboi, Eiichi Morii, Satoshi Morita, Junichi Sakamoto, Atsushi Kumanogoh, Yoshihiro Oka, Meinoshin Okumura, Haruo Sugiyama
Thymic epithelial tumors are rare malignancies, and no optimal therapeutic regimen has been defined for patients with advanced disease. Patients with advanced thymic epithelial tumors, which were resistant or intolerable to prior therapies, were eligible for this study. Patients received 9 mer-WT1-derived peptide emulsified with Montanide ISA51 adjuvant via intradermal administration once a week as a monotherapy. After the 3-month-protocol treatment, the treatment was continued mostly at intervals of 2-4 weeks until disease progression or intolerable adverse events occurred...
June 1, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29312764/ectopic-thymoma-managed-by-neck-dissection-video-assisted-thoracoscopic-thymectomy
#8
John K Peel, Eitan Prisman, Tony L Ng, Anna L McGuire
Ectopic thymoma in the neck is a rare phenomenon, with fewer than 20 cases reported worldwide. Evidence for management of ectopic thymoma comes from literature for mediastinal thymoma despite clinical features that distinguish the two. Here we present a case of a 31-year-old female with an asymptomatic neck mass who was found to have an ectopic cervical thymoma with concomitant mediastinal thymic hyperplasia. The decision was made to perform a left-sided neck dissection and a video-assisted thoracoscopic surgery (VATS) thymectomy...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29225302/role-of-surgery-in-the-treatment-of-masaoka-stage-iva-thymoma
#9
Erkan Kaba, Berker Ozkan, Suat Erus, Salih Duman, Berk Cimenoglu, Alper Toker
PURPOSE: To analyze the role of surgery in patients with Masaoka stage IVa thymoma treated with multimodality therapy. METHODS: Of 191 patients undergoing surgery for thymoma in our department between January 2002 and December 2015, 39 (20.4%) had Masaoka stage IVa. Histopathological tumor type, myasthenic status of the Osserman-Genkins score, Masaoka stage at the first surgery, neoadjuvant treatment, number and type of surgeries, and survival rates were recorded...
February 20, 2018: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29201452/neuroendocrine-tumors-of-the-thymus-the-oncologist-point-of-view
#10
REVIEW
Nicolas Girard
Thymic malignancies represent a heterogeneous group of rare thoracic cancers, which are classified according to the World Health Organization (WHO) histopathologic classification that distinguishes thymomas from thymic carcinomas and neuroendocrine tumors; neuroendocrine thymic tumors (NETTs) exhibit the same histological spectrum as in other anatomical locations, although with different frequencies. NETTs represent around 2% of all neuroendocrine tumors, and about 5% of all thymic malignancies. Overall, the management of patients with NETTs tumors requires continuous multidisciplinary expertise at any step of the disease progression...
November 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29199386/triangle-of-akt2-mirna-and-tumorigenesis-in-different-cancers
#11
REVIEW
Maryam Honardoost, Seyed Mohammad Ali Hosseini Rad
AKT (AK mouse plus Transforming or Thymoma) is a frequent oncogene expressed in most tissues which includes three isoforms AKT1, AKT2, and AKT3. Hyperactivation of AKT signaling is a central key in many human cancer progressions, through modulating angiogenesis, tumor growth, and cell migration, invasion, metastasis, and chemoresistance. Among all three isoforms, AKT2 is most related to cancer cell invasion, metastasis, and survival. Amplification and overexpression of AKT2 have been shown in many cancers. Accumulating evidence shows the potential role of different miRNA involvements in cancer progression by activating or suppressing AKT2 expression...
December 4, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/29177794/imaging-of-the-thymus-in-myotonic-dystrophy-type-1
#12
Andrea Mignarri, Francesco Gentili, Francesco Masia, Angelo Genua, Silvia Cenciarelli, Paola Brunori, Maria Antonietta Mazzei, Alessandro Malandrini, Antonio Federico, Francesco Giuseppe Mazzei, Maria Teresa Dotti
The occurrence of thymoma in myotonic dystrophy type 1 (DM1) has been occasionally reported, and an increased risk of tumors has been observed. We performed imaging of the thymus in 22 patients carrying DMPK expansion. Clinical examination and routine instrumental exams were performed at the same time. We observed no thymic abnormalities in 13 subjects, thymic hyperplasia in eight patients, and an invasive thymoma in one case. Subjects with thymic abnormalities did not show peculiarities as regards clinical and electrophysiological features...
February 2018: Neurological Sciences
https://www.readbyqxmd.com/read/29113235/dysregulation-of-kras-signaling-in-pancreatic-cancer-is-not-associated-with-kras-mutations-and-outcome
#13
Radmila Lemstrova, Veronika Brynychova, David J Hughes, Viktor Hlavac, Pavel Dvorak, Joanne E Doherty, Helena A Murray, Martin Crockard, Martin Oliverius, Jan Hlavsa, Eva Honsova, Jan Mazanec, Zdenek Kala, Martin Lovecek, Roman Havlik, Jiri Ehrmann, Ondrej Strouhal, Pavel Soucek, Bohuslav Melichar, Beatrice Mohelnikova-Duchonova
Pancreatic ductal adenocarcinoma (PDAC) is a tumor with a poor prognosis, and no targeted therapy is currently available. The aim of the present study was to investigate the prognostic significance of the expression of V-Ki-ras2 Κirsten rat sarcoma viral oncogene homolog (KRAS), downstream signaling pathway genes and the association with clinical characteristics in PDAC patients undergoing radical surgery. Tumors and adjacent non-neoplastic pancreatic tissues were examined in 45 patients with histologically verified PDAC...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29078661/definitions-and-standard-indications-of-minimally-invasive-techniques-in-thymic-surgery
#14
Marcin Zieliński
BACKGROUND: The minimally invasive thoracic procedures are those performed through the intercostal, subxiphoid, subcostal or transcervical incisions. In most of these procedures (with exception of some transcervical procedures) the video-assisted thoracic surgery (VATS) technique is used for performance of an operation under guidance of a video monitor. METHODS: According to the definition the minimally invasive procedures do not include the sternal manubriotomy (upper sternal split), transverse sternotomy and subcutaneous longitudinal sternotomy...
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29078632/uniportal-bilateral-video-assisted-sequential-thoracoscopic-extended-thymectomy
#15
REVIEW
Francesco Paolo Caronia, Ettore Arrigo, Sebastiano Trovato, Attilio Ignazio Lo Monte, Salvatore Cottone, Francesco Sgalambro, Mario Guglielmo, Antonio Volpicelli, Alfonso Fiorelli
Standard video-assisted thoracoscopic surgery has been reported as a minimally invasive approach alternative to sternotomy for management of myasthenia gravis (MG) associated with thymoma or thymic hyperplasia. Uniportal video-thoracoscopy is an evolution of standard multi-portal video-thoracoscopy for management of several thoracic diseases but its role for resecting mediastinal tumor remains under-evaluated. Herein, we describe our experience with bilateral uniportal thoracoscopic sequential extended thymectomy with case and video illustrations...
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29078631/robotic-thymectomy
#16
REVIEW
Giuseppe Marulli, Giovanni Maria Comacchio, Federico Rea
Thymectomy is the most frequent surgical operation involving the mediastinum, both for the treatment of thymic tumors and for the multidisciplinary management of myasthenia gravis (MG). Different surgical approaches have been described, either traditional open approaches or minimally invasive ones. Robotic thymectomy represents a further step in the evolution of minimally invasive surgery. Available data show that robotic thymectomy may be considered a safe and feasible operation, with encouraging long-term results in myasthenic patients and promising results in patients with early stage thymoma, both in terms of surgical and oncological outcomes...
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29078617/surgical-and-oncological-outcomes-of-thoracoscopic-thymectomy-for-thymoma
#17
REVIEW
Makoto Odaka, You Tsukamoto, Takamasa Shibasaki, Shohei Mori, Hisatoshi Asano, Makoto Yamashita, Toshiaki Morikawa
Thymoma remains the most common primary anterior mediastinal neoplasm. Surgical resection remains central to the treatment of thymoma, with thoracoscopic thymectomy (TT) being increasingly performed. This present review article aimed to summarize current studies comparing TT and open thymectomy (OT). Recently, most patients with Masaoka stage I-II thymoma have been receiving TT. This procedure is associated with a significantly shorter post-operative hospital stay, decreased intraoperative blood loss, and fewer complications compared with OT...
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29078565/the-zakopane-pulmonary-hospital-experience-on-subxiphoid-thymectomy
#18
Marcin Zieliński, Mariusz Rybak, Katarzyna Solarczyk-Bombik, Michal Wilkojc, Wojciech Czajkowski, Sylweriusz Kosinski, Edward Fryzlewicz, Tomasz Nabialek, Malgorzata Szolkowska, Juliusz Pankowski
BACKGROUND: To present the technique of minimally invasive extended thymectomy performed through the subxiphoid-bilateral subcostal video-assisted thoracoscopic surgery (VATS) approach, with double elevation of the sternum for nonthymomatous myasthenia gravis (MG). METHODS: The whole dissection was performed through the 4-7 cm transverse subxiphoid incision with single 10 mm extra-long bariatric laparoscopy ports inserted subcostally to the right and left chest cavities for videothoracoscope and subsequently for chest tubes...
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29050375/interstitial-fluid-pressure-of-thymic-epithelial-tumours
#19
Takeshi Mori, Wataru Nishi, Tatsuya Yamada, Yamato Motooka, Koei Ikeda, Kenji Shiraishi, Makoto Suzuki
Tumours show an increased interstitial fluid pressure, which correlates with various pathophysiological features. Moreover, interstitial fluid pressure is a prognostic factor for cervical and lung cancer. However, there have been no reports on the usefulness of measuring interstitial fluid pressure in thymic epithelial tumours. Therefore, this study aimed to examine the relationship between interstitial fluid pressure and the clinicopathological characteristics of thymic epithelial tumours. Interstitial fluid pressure was prospectively measured at the centre of the tumour using a 1-Fr Mikro-Tip sensor catheter in 44 patients with thymic epithelial tumours, 40 with thymomas and 4 with thymic carcinomas...
August 1, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29021446/nephrotic-syndrome-and-a-retroperitoneal-mass-a-case-report-of-a-patient-with-recurrent-invasive-thymoma
#20
Hiroaki Myoga, Tetsu Akimoto, Naoko Mato, Takakiyo Nakaya, Takuya Murakami, Hiromichi Yoshizawa, Saki Nakagawa, Atsushi Miki, Takahiro Masuda, Takahisa Kobayashi, Yuko Ono, Osamu Saito, Yoshihiko Ueda, Shigeaki Muto, Daisuke Nagata
A 68-year-old man was admitted to our hospital to undergo an examination for nephrotic syndrome while concurrently complicated with recurrent thymoma in the parietal pleura and retroperitoneum. He had been diagnosed with invasive thymoma and had undergone thymo-thymectomy seven years previously. Based on the renal biopsy findings, his nephrotic syndrome was ascribed to minimal change disease. He was treated with corticosteroid monotherapy, which resulted in complete remission six months later, despite the fact that the recurrent thymoma remained...
December 15, 2017: Internal Medicine
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