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https://www.readbyqxmd.com/read/29928401/methylation-of-cdx2-gene-promoter-in-the-prediction-of-treatment-efficacy-in-colorectal-cancer
#1
Yunshuai Wang, Zhaohui Li, Wenxian Li, Shuaifeng Liu, Baowei Han
The aim of the present study was to examine the diagnosis of methylation of CDX2 gene promoter in colorectal cancer (CRC) and assessed its value in the prediction of treatment efficacy. Sixty patients who were diagnosed as CRCs for the first time, 60 patients with hyperplastic polyps (HPs) and adenomas, and 60 patients with inflammatory lesions or healthy patients (control group) were included in the present study. The methylation levels of CDX2 gene promoter were detected by methylation-specific polymerase chain reaction (MSP), and the expression levels of CDX2 mRNA were detected by fluorescence quantitative PCR...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29920729/long-term-follow-up-of-a-large-prospective-cohort-of-patients-with-non-functioning-pituitary-adenomas-the-outcome-of-a-conservative-management-policy
#2
Miles J Levy, Iain J Robertson, Naima Khalk, Sabrina Vitello, Narendra Reddy, Ragini Bhake, Trevor A Howlett
OBJECTIVE: To assess the clinical outcome of a strategy of conservative monitoring of patients with non-functioning pituitary adenomas (NFPA) after pituitary surgery and in patients without surgery. DESIGN: Retrospective study of outcomes, using a clinical information system. PATIENTS: An unselected, clinical series of patients seen in a single centre between 1989 and 2015. MEASUREMENTS: Review of clinical information system data to obtain details and dates of surgery, radiotherapy, pituitary imaging and outcomes...
June 19, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29902606/oarm%C3%A2-in-endonasal-endoscopic-cranial-base-surgery-technical-note-on-initial-feasibility
#3
Liverana Lauretti, Quintino Giorgio D'Alessandris, Mario Rigante, Luca Ricciardi, Pier Paolo Mattogno, Alessandro Olivi
BACKGROUND: In transsphenoidal endoscopic cranial base surgery, a precise navigational support may be crucial. This is particularly evident in case of tumors extending to the parasellar region or in recurrent tumors whereas the normal anatomy has been altered by previous surgery/radiotherapy. METHODS: Previous unsatisfactory experiences with a variety of navigation techniques in this type of surgery, encouraged us to perform an endoscopic endonasal approach with an OArm® (Medtronic, Inc...
June 11, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29782043/stereotactic-radiation-therapy-for-the-treatment-of-functional-pituitary-adenomas-associated-with-feline-acromegaly
#4
Tiffany L Wormhoudt, Mary-Keara Boss, Katharine Lunn, Lynn Griffin, Del Leary, Kristy Dowers, Sangeeta Rao, Susan M LaRue
BACKGROUND: Conventional fractionated radiotherapy has been shown to be partially effective for management of pituitary tumors in cats that cause acromegaly and diabetes mellitus (DM), but, the efficacy and safety of stereotactic radiation therapy (SRT) as a treatment for acromegalic cats has not been described. HYPOTHESIS: Stereotactic radiation therapy is an effective and safe treatment for controlling acromegaly associated with pituitary adenomas in cats. Additionally, SRT-treated acromegalic cats with DM will experience a decrease in insulin requirements after radiation therapy...
May 21, 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29721355/pituitary-fossa-chondrosarcoma-an-unusual-cause-of-a-sellar-suprasellar-mass-masquerading-as-pituitary-adenoma
#5
Gautam Dutta, Daljit Singh, Hukum Singh, Arvind Kumar Srivastava, Anita Jagetia, Deepashu Sachdeva
Background: Chondrosarcoma is a mesenchymal malignant tumor composed of tumor cells producing cartilage. It is more commonly found in older age group and usually affects the axial skeleton. Intracranial chondrosarcoma is extremely rare, and chondrosarcoma arising from the sellar region are even rarer with only a few cases described in the literature. We report a case of chondrosarcoma mimicking a sellar suprasellar mass with parasellar extension. Case Description: A 22-year old male presented with generalized intermittent headache along with diplopia and diminished visual acuity without any history of sexual dysfunction or galactorrhea...
2018: Surgical Neurology International
https://www.readbyqxmd.com/read/29694638/a-review-of-cushing-s-disease-treatment-by-the-department-of-neuroendocrinology-of-the-brazilian-society-of-endocrinology-and-metabolism
#6
REVIEW
Márcio Carlos Machado, Maria Candida Barisson Vilares Fragoso, Ayrton Custódio Moreira, César Luiz Boguszewski, Leonardo Vieira Neto, Luciana A Naves, Lucio Vilar, Luiz Antônio de Araújo, Nina Rosa Castro Musolino, Paulo Augusto C Miranda, Mauro A Czepielewski, Monica R Gadelha, Marcello Delano Bronstein, Antônio Ribeiro-Oliveira
The treatment objectives for a patient with Cushing's disease (CD) are remission of hypercortisolism, adequate management of co-morbidities, restoration of the hypothalamic-pituitary-adrenal axis, preservation of fertility and pituitary function, and improvement of visual defects in cases of macroadenomas with suprasellar extension. Transsphenoidal pituitary surgery is the main treatment option for the majority of cases, even in macroadenomas with low probability of remission. In cases of surgical failure, another subsequent pituitary surgery might be indicated in cases with persistent tumor imaging at post surgical magnetic resonance imaging (MRI) and/or pathology analysis of adrenocorticotropic hormone-positive (ACTH+) positive pituitary adenoma in the first procedure...
February 2018: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29668359/laparoscopic-total-mesorectal-excision-following-transanal-endoscopic-microsurgery-for-rectal-cancer
#7
Nidal Issa, Yaniv Fenig, Rachel Gingold-Belfer, Muhammad Khatib, Wisam Khoury, Lea Wolfson, Hemda Schmilovitz-Weiss
BACKGROUND: Patients' selection for transanal endoscopic microsurgery (TEM) depends on diagnostic modalities; however, there are still some limitations in the preoperative diagnosis of rectal lesions, and in some reports, up to third of the adenomas resected by TEM were found to be adenocarcinoma; therefore, salvage radical resection (RR) remains necessary for achieving oncological resection. Salvage RR may encounter some technical problems as the violation of the mesorectum and the scar formation...
April 18, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29623588/recurrent-non-functioning-pituitary-adenomas-a-review-on-the-new-pathological-classification-management-guidelines-and-treatment-options
#8
REVIEW
P D Delgado-López, J Pi-Barrio, M T Dueñas-Polo, M Pascual-Llorente, M C Gordón-Bolaños
At least 50% of surgically resected non-functioning pituitary adenomas (NFPA) recur. Either early or late adjuvant radiotherapy is highly efficacious in controlling recurrent NFPA but associates potentially burdensome complications like hypopituitarism, vascular complications or secondary neoplasm. Reoperation is indicated in bulky tumor rests compressing the optic pathway. To date, no standardized medical therapy is available for recurrent NFPA although cabergoline and temozolomide show promising results. Guidelines on the management of recurrent NFPAs are now available...
April 5, 2018: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29623208/a-rare-challenging-case-of-co-existent-craniopharyngioma-acromegaly-and-squamous-cell-lung-cancer
#9
Athanasios Fountas, Shu Teng Chai, John Ayuk, Neil Gittoes, Swarupsinh Chavda, Niki Karavitaki
Co-existence of craniopharyngioma and acromegaly has been very rarely reported. A 65-year-old man presented with visual deterioration, fatigue and frontal headaches. Magnetic resonance imaging revealed a suprasellar heterogeneous, mainly cystic, 1.9 × 2 × 1.9 cm mass compressing the optic chiasm and expanding to the third ventricle; the findings were consistent with a craniopharyngioma. Pituitary hormone profile showed hypogonadotropic hypogonadism, mildly elevated prolactin, increased insulin-like growth factor 1 (IGF-1) and normal thyroid function and cortisol reserve...
2018: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/29545961/primary-peritoneal-angiosarcoma-metastatic-to-liver-and-bone-without-history-of-radiation-therapy
#10
Way Chiang, Zofia Tynski
Angiosarcoma is a rare vascular soft tissue tumor of endothelial origin most commonly seen in the elderly as a primary cutaneous head and neck malignancy. Furthermore, a peritoneal angiosarcoma is an exceedingly rare entity. This is the second case of primary peritoneal angiosarcoma reported in literature that is not associated with prior radiotherapy. Herein, we describe a case of primary peritoneal angiosarcoma metastatic to both the liver and bone in a male patient with metachronous renal cell carcinoma and parathyroid adenoma...
2018: Case Reports in Pathology
https://www.readbyqxmd.com/read/29545227/clinical-outcomes-after-endoscopic-endonasal-resection-of-giant-pituitary-adenomas
#11
Khaled Elshazly, Varun R Kshettry, Christopher J Farrell, Gurston Nyquist, Marc Rosen, James J Evans
BACKGROUND: Giant pituitary adenomas represent a surgical challenge. We present the results of the endoscopic endonasal approach (EEA) for giant pituitary adenomas. METHODS: We retrospectively reviewed the medical records of 55 patients with giant pituitary adenomas (>4 cm in maximum diameter) who underwent surgery with an EEA between 2008 and 2016. Factors affecting the extent of resection were evaluated. RESULTS: The mean patient age was 55...
June 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29534899/single-and-multi-fraction-stereotactic-radiosurgery-dose-tolerances-of-the-optic-pathways
#12
Michael T Milano, Jimm Grimm, Scott G Soltys, Ellen Yorke, Vitali Moiseenko, Wolfgang A Tomé, Arjun Sahgal, Jinyu Xue, Lijun Ma, Timothy D Solberg, John P Kirkpatrick, Louis S Constine, John C Flickinger, Lawrence B Marks, Issam El Naqa
PURPOSE: Dosimetric and clinical predictors of radiation-induced optic nerve/chiasm neuropathy (RION) after single-fraction stereotactic radiosurgery (SRS) or hypofractionated (2-5 fractions) radiosurgery (fSRS) were analyzed from pooled data that were extracted from published reports (PubMed indexed from 1990 to June 2015). This study was undertaken as part of the American Association of Physicists in Medicine Working Group on Stereotactic Body Radiotherapy, investigating normal tissue complication probability (NTCP) after hypofractionated radiation...
January 31, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29526342/current-thinking-about-the-management-of-recurrent-pleomorphic-adenoma-of-the-parotid-a-structured-review
#13
REVIEW
A Kanatas, M W S Ho, T Mücke
Pleomorphic adenoma is the most common tumour of the parotid gland, and can recur after excision. Recurrent pleomorphic adenoma can be a challenge to treat, and has variable outcomes. The aim of this review was to summarise current thinking in its management, which may be helpful to clinical teams and could improve patients' health-related quality of life. We searched several online databases using the key terms pleomorphic adenoma, recurrent pleomorphic adenoma, parotid gland tumours, parotid surgery, radiotherapy and parotid pleomorphic adenoma, and parotid surgery outcomes...
May 2018: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29505842/radiotherapy-in-acromegaly-long-term-brain-parenchymal-and-vascular-magnetic-resonance-changes
#14
Laura Milanese, Chiara Martini, Carla Scaroni, Francesca Dassie, Filippo Ceccato, Alessandro Della Puppa, Luca Denaro, Giulia Bommarito, Valentina Citton, Mario Ermani, Pietro Maffei, Renzo Manara
BACKGROUND: Radiation therapy (RT) effectiveness on hormonal reduction is proven in acromegaly; however, collateral long-term effects are still undetermined. This transversal neuroimaging study on a large cohort of acromegalic patients aimed to investigate the rate of parenchymal and vascular changes after RT. MATERIALS AND METHODS: Thirty-six acromegalic patients underwent RT (RT+) after unsuccessful surgery and were compared to RT- acromegalic patients matched for age, gender, adenoma features, clinical and surgical history...
March 2, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29450811/debulking-surgery-of-pituitary-adenoma-as-a-strategy-to-facilitate-definitive-stereotactic-radiosurgery
#15
Neil Forster, Ronald Warnick, Vinita Takiar, Luke Pater, John Breneman
In patients with pituitary adenomas (PA) who are unable to undergo complete surgical resection, radiation therapy (RT), specifically stereotactic radiosurgery (SRS), results in excellent local control. However, the utility of radiosurgery may be limited by the proximity of the lesion to the optic chiasm (OC). We evaluate the efficacy of debulking surgery in increasing the PA-OC separation to convert patients into SRS candidates. From 2007 to 2015, 31 patients with PA < 2 mm from the OC underwent debulking surgery followed by RT within 2 years of resection...
February 15, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29396062/sellar-plasmacytomas-masquerading-as-pituitary-adenomas-a-systematic-review
#16
REVIEW
Joseph DiDomenico, Leonel Ampie, Winward Choy, Jonathan B Lamano, Daniel E Oyon, Kartik Kesavabhotla, Orin Bloch
Given the rarity of intracranial plasmacytomas, these lesions are frequently misdiagnosed as pituitary adenomas. We report on the distinguishing characteristics of sellar plasmacytomas from cases in the literature and our experience. A literature search was conducted to collect all documented cases of a plasmacytoma originating in the sellar region. Patient characteristics, medical history, presentation, tumor characteristics, and survival data were collected. An additional case from our institution not previously reported was included...
April 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29382618/primary-meningeal-melanocytoma-in-sellar-region-simulating-a-nonfunctioning-pituitary-adenoma-case-report-and-literature-review
#17
Fei Wang, Shiying Ling
BACKGROUND: Primary meningeal melanocytoma is a benign lesion in the central nervous system derived from leptomeningeal melanocytes, most commonly growing in the posterior fossa and cervical spinal cord. The sellar primary meningeal melanocytoma (SPMM) is an exceptionally rare tumor. Here we report the ninth published case of an SPMM, and also discuss the problems of differential diagnosis and management of these tumors. CASE DESCRIPTION: The patient presented with visual impairment and irregular menstruation with no other symptoms...
April 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29372392/management-of-nonfunctioning-pituitary-tumors-radiotherapy
#18
REVIEW
Giuseppe Minniti, John Flickinger, Barbara Tolu, Sergio Paolini
External beam radiotherapy (RT) is an essential part of the management of intracranial tumors and has been used in treating pituitary adenomas for more than five decades. It has been demonstrated that conventional RT for postoperative residual or progressive nonfunctioning pituitary adenomas (NFAs) present an excellent long-term local tumor control, although its use has been limited because of the potential late toxicity related to radiation treatments. Recent advances in radiation techniques have led to more accurate treatments, rendering obsolete many commonly held views of the "old" radiotherapy...
April 2018: Pituitary
https://www.readbyqxmd.com/read/29355797/cyberknife-radiosurgery-in-the-multimodal-management-of-patients-with-cushing-disease
#19
Justin M Moore, Elisa Sala, Alvaro Amorin, Hector Martinez, Aprotim C Bhowmik, Steven D Chang, Scott G Soltys, Griffith R Harsh, Laurence Katznelson
BACKGROUND: Surgery is the primary treatment for Cushing disease. When surgery is unsuccessful in normalizing hypercortisolism, adjuvant radiation, such as stereotactic radiosurgery, may be useful to improve biochemical control. METHODS: This retrospective study included a cohort of consecutive patients treated with CyberKnife (CK) radiosurgery for active Cushing disease at Stanford Hospital and Clinics. RESULTS: As first-line treatment, all patients underwent transsphenoidal surgery with histologic demonstration of an adrenocorticotropic hormone-producing pituitary adenoma...
April 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29342030/mesenchymal-chondrosarcoma-of-the-lacrimal-gland
#20
Hayyam Kiratli, Yağmur Deniz, Berrin Büyükeren, Gökhan Gedikoğlu
A 23-year-old woman presented with right-sided painless proptosis that developed in 12 months. MRI studies demonstrated a well-delineated tumorous enlargement of the right lacrimal gland with homogenous signal intensity and compressing the globe. The tumor was removed totally and in 1 piece with the tentative diagnosis of a pleomorphic adenoma. Pathologic examination revealed biphasic neoplastic elements, which were composed of the cartilaginous matrix and small round cell component. Immunohistopathological examination showed positive CD99 staining and negative reaction to S100, panCK, and CD15...
January 16, 2018: Ophthalmic Plastic and Reconstructive Surgery
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