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Microadenoma

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https://www.readbyqxmd.com/read/29168011/pediatric-prolactinoma-initial-presentation-treatment-and-long-term-prognosis
#1
Anika Hoffmann, Sarah Adelmann, Kristin Lohle, Alexander Claviez, Hermann L Müller
Prolactinoma is a rare pituitary adenoma secreting prolactin. Studies on diagnostics, treatment, and prognosis in pediatric prolactinoma patients are rare. We analyzed clinical presentation, response to treatment, and prognosis of 27 pediatric prolactinoma patients (10 m/17 f. based on patients' records. Tumors included 6 microadenomas (tumor volume: median 0.2 cm(3), range 0.01-0.4 cm(3); serum prolactin at diagnosis: median 101 ng/ml, range 33-177 ng/ml), 15 macroadenomas (volume: median 3.3 cm(3), range 0...
November 22, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29156752/early-and-late-effects-of-aspirin-and-naproxen-on-micrornas-in-the-lung-and-blood-of-mice-either-unexposed-or-exposed-to-cigarette-smoke
#2
Alberto Izzotti, Roumen Balansky, Gancho Ganchev, Marietta Iltcheva, Mariagrazia Longobardi, Alessandra Pulliero, Anna Camoirano, Francesco D'Agostini, Marta Geretto, Rosanna T Micale, Sebastiano La Maestra, Mark Steven Miller, Vernon E Steele, Silvio De Flora
We recently showed that nonsteroidal anti-inflammatory drugs (NSAIDs) are able to inhibit the lung tumors induced by cigarette smoke, either mainstream (MCS) or environmental (ECS), in female mice. We used subsets of mice to analyze the expression of 1135 microRNAs in both lung and blood serum, as related to the whole-body exposure to smoke and/or oral administration of either aspirin or naproxen. In a first study, we evaluated early microRNA alterations in A/J mice exposed to ECS for 10 weeks, starting at birth, and/or treated with NSAIDs for 6 weeks, starting after weaning...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29122850/differential-preventive-activity-of-sulindac-and-atorvastatin-in-apc-min-fccc-mice-with-or-without-colorectal-adenomas
#3
Wen-Chi L Chang, Christina Jackson, Stacy Riel, Harry S Cooper, Karthik Devarajan, Harvey H Hensley, Yan Zhou, Lisa A Vanderveer, Minhhuyen T Nguyen, Margie L Clapper
OBJECTIVE: The response of subjects to preventive intervention is heterogeneous. The goal of this study was to determine if the efficacy of a chemopreventive agent differs in non-tumour-bearing animals versus those with colorectal tumours. Sulindac and/or atorvastatin was administered to Apc(+/Min-FCCC) mice with known tumour-bearing status at treatment initiation. DESIGN: Male mice (6-8 weeks old) underwent colonoscopy and received control chow or chow with sulindac (300 ppm), atorvastatin (100 ppm) or sulindac/atorvastatin...
November 9, 2017: Gut
https://www.readbyqxmd.com/read/29113856/has-acromegaly-been-diagnosed-earlier
#4
Hideko Ohno, Yuichiro Yoneoka, Shinya Jinguji, Naoto Watanabe, Masayasu Okada, Yukihiko Fujii
PURPOSE: We investigated whether acromegaly has been diagnosed earlier at the Niigata Medical and Dental University Hospital. METHODS: Patients with acromegaly (n = 81) who underwent their first transsphenoidal surgery from 2006 to 2015 were reviewed. Two groups were compared: those who underwent surgery between 2006 and 2010 (n = 35) and those who underwent surgery between 2011 and 2015 (n = 46). We compared clinical features and serum levels of the growth hormone (GH) and insulin-like growth factor-1 (IGF-1), hypertension (HT) and diabetes mellitus (DM) prevalence between the two groups...
November 4, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29092962/multiple-endocrine-neoplasia-type-1-presenting-with-refractory-seizures
#5
Banshi Lal Kumawat, Chandramohan Sharma, Mohit Janakkumar Shah, Maulik Panchal
We report a case of 29-year-old woman referred to us for management of refractory epilepsy. Under observation, she was detected to have recurrent hypoglycaemia during the episodes of seizures. On investigation, she was found to have hyperinsulinemic hypoglycaemia. Her triple-phase CT scan of abdomen showed neuroendocrine tumour of pancreatic head, with bilateral renal calculi. Screening of other endocrine glands revealed pituitary microadenoma and parathyroid adenoma on imaging, which was also supported by biochemical and hormonal profile...
November 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29066490/novel-germline-p-gly42val-men1-mutation-in-a-family-with-multiple-endocrine-neoplasia-type-1-excellent-response-of-prolactinoma-to-cabergoline
#6
Viktoria F Koehler, Kerstin Jungheim, Ute Groß, Donato Iacovazzo, Alexander Mann, Márta Korbonits
We report on a 27-year-old male patient presenting with renal colic secondary to hyperparathyroidism. Further investigations confirmed a diagnosis of type 1 multiple endocrine neoplasia and revealed a 2.0 cm pancreatic neuroendocrine tumour as well as a pituitary macroadenoma with significantly elevated prolactin levels. The patient underwent three-gland parathyroidectomy, a left pancreatectomy, and received dopamine agonist treatment. Genetic testing revealed a novel germline heterozygote missense mutation in the MEN1 gene (p...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29031329/dogs-with-macroadenomas-have-lower-body-temperature-and-heart-rate-than-dogs-with-microadenomas
#7
Ghita Benchekroun, Loic Desquilbet, Michael E Herrtage, Nick D Jeffery, Dan Rosenberg, Nicolas Granger
Pituitary macroadenomas compress the hypothalamus, which partly regulates heart rate and body temperature. The aim of this study was to investigate whether heart rate and/or body temperature could aid in clinically differentiating dogs with macroadenomas from dogs with microadenomas (i.e. small non-compressive pituitary mass). Two groups of dogs diagnosed with pituitary-dependent hyperadrenocorticism (i.e. Cushing's disease) were included. Heart rate and body temperature were collected on initial presentation before any procedure...
September 2017: Veterinary Journal
https://www.readbyqxmd.com/read/29027863/potential-utility-of-flair-in-mri-negative-cushing-s-disease
#8
Grégoire P Chatain, Nicholas Patronas, James G Smirniotopoulos, Martin Piazza, Sarah Benzo, Abhik Ray-Chaudhury, Susmeeta Sharma, Maya Lodish, Lynnette Nieman, Constantine A Stratakis, Prashant Chittiboina
OBJECTIVE Accurate presurgical localization of microadenomas in Cushing's disease (CD) leads to improved remission rates and decreased adverse events. Volumetric gradient recalled echo (3D-GRE) MRI detects pituitary microadenomas in CD in up to 50%-80% cases as a focus of hypointensity due to delayed contrast wash-in. The authors have previously reported that postcontrast FLAIR imaging may be useful in detecting otherwise MRI-negative pituitary microadenomas as foci of hyperintensity. This reflects theoretically complementary imaging of microadenomas due to delayed contrast washout...
October 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29025207/a-rare-case-of-multiple-pituitary-adenomas-in-an-adolescent-cushing-disease-presenting-as-a-vertebral-compression-fracture
#9
Ji-Yeon Song, Sue-Jean Mun, Soon-Ki Sung, Jae-Yeon Hwang, Seung-Kug Baik, Jee Yeon Kim, Chong-Kun Cheon, Su-Young Kim, Yoo-Mi Kim
Cushing disease in children and adolescents, especially with multiple pituitary adenomas (MPAs), is very rare. We report 17-year-old boy with MPAs. He presented with a vertebral compression fracture, weight gain, short stature, headache, and hypertension. On magnetic resonance imaging (MRI), only a left pituitary microadenoma was found. After surgery, transient clinical improvement was observed but headache and hypertension were observed again after 3 months later. Follow-up MRI showed a newly developed right pituitary microadenoma 6 months after the surgery...
September 2017: Annals of Pediatric Endocrinology & Metabolism
https://www.readbyqxmd.com/read/29022276/diagnosis-and-treatment-of-tsh-secreting-adenomas-review-of-a-longtime-experience-in-a-reference-center
#10
D M Nazato, J Abucham
PURPOSE: TSH-secreting pituitary adenomas are among the less prevalent pituitary tumors, corresponding to 0.9-1.5% of all pituitary adenomas in surgical series. METHODS: A series of 11 patients with TSH-secreting and cosecreting adenomas diagnosed and treated in the last 25 years in a single center is described. RESULTS: The mean age at diagnosis was 37 years (range 18-80 years; median 23 years); the ratio of male-to-female patients was similar (6M:5F)...
October 11, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28986303/corticotropin-releasing-hormone-can-selectively-stimulate-glucose-uptake-in-corticotropinoma-via-glucose-transporter-1
#11
Jie Lu, Blake K Montgomery, Grégoire P Chatain, Alejandro Bugarini, Qi Zhang, Xiang Wang, Nancy A Edwards, Abhik Ray-Chaudhury, Marsha J Merrill, Russell R Lonser, Prashant Chittiboina
BACKGROUND: Pre-operative detection of corticotropin (ACTH) secreting microadenomas causing Cushing's disease (CD) improves surgical outcomes. Current best magnetic resonance imaging fails to detect up to 40% of these microadenomas. (18)F-fluorodeoxyglucose ((18)F-FDG) positron emission tomography (PET) is specific, but not sensitive in detecting corticotropinomas. Theoretically, secretagogue stimulation with corticotropin releasing hormone (CRH) could improve detection of adenomas with (18)F-FDG PET...
October 3, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28977166/long-term-follow-up-of-patients-with-elevated-igf-1-and-nadir-gh-0-4-%C3%A2%C2%B5g-l-but-1-%C3%A2%C2%B5g-l
#12
Pedro Weslley Rosario, Maria Regina Calsolari
OBJECTIVE: To report the results of initial investigation and after 5 years of patients with a suspicious clinical scenario for acromegaly, elevated IGF-1, and nadir GH during an oral glucose tolerance test (OGTT) > 0.4 µg/L but < 1 µg/L. SUBJECTS AND METHODS: Seventeen patients who had elevated IGF-1 (outside puberty and pregnancy) in two measurements and GH between 0.4 and 1 µg/L during OGTT were selected. RESULTS: During initial assessment, only one patient had microadenoma on magnetic resonance imaging (MRI) of the pituitary...
2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28954743/morbidity-and-mortality-in-patients-with-hyperprolactinaemia-the-prolears-study
#13
Enrique Soto-Pedre, Paul J Newey, John S Bevan, Graham P Leese
PURPOSE: High serum prolactin concentrations have been associated with adverse health outcomes in some but not all studies. This study aimed to examine the morbidity and all-cause mortality associated with hyperprolactinaemia. METHODS: A population-based matched cohort study in Tayside (Scotland, UK) from 1988 to 2014 was performed. Record-linkage technology was used to identify patients with hyperprolactinaemia that were compared to an age-sex-matched cohort of patients free of hyperprolactinaemia...
November 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28951275/diagnosis-and-outcomes-of-341-patients-with-cushing-s-disease-following-transsphenoid-surgery-a-single-center-experience
#14
Ming Feng, Ziyuan Liu, Xiaohai Liu, Xinjie Bao, Yong Yao, Kan Deng, Bing Xing, Wei Lian, Huijuan Zhu, Lin Lu, Renzhi Wang
BACKGROUND: Transsphenoid surgery (TSS) is a standard treatment modality for Cushing's disease (CD). However, postoperative remission and recurrence rates vary among studies. Here we analyze the diagnosis and outcomes of 341 patients with a preoperative diagnosis of CD undergoing TSS in a single center over a 3-year period. METHODS: A total of 341 patients were enrolled. Clinical manifestations, imaging results, laboratory workups, and results of inferior petrosal sinus sampling (IPSS) were obtained...
September 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28945050/decreased-nitric-oxide-serum-level-after-pituitary-adenoma-resection
#15
Daniel Babula, Anna Horecka, Dorota Luchowska-Kocot, Joanna Kocot, Jacek Kurzepa
BACKGROUND: Nitric oxide (NO) is synthesized by the conversion of Arginine (Arg) into the NO and Citrulline (Cit). Although the NO is involved into the pathogenesis of several physiological and pathological processes, the role of NO in pituitary adenomas (PA) progres-sion is not determined. Our purpose was to evaluate the relationship between NO and PA as well as the effect of tumor resection on NO metabolites level in serum. METHODS: The study group consisted of 21 patients with PA, 18 patients with macroade-nomas and 3 with microadenomas...
September 22, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28913667/microsurgical-versus-endoscopic-transsphenoidal-resection-for-acromegaly-a-systematic-review-of-outcomes-and-complications
#16
REVIEW
Ching-Jen Chen, Natasha Ironside, I Jonathan Pomeraniec, Srinivas Chivukula, Thomas J Buell, Dale Ding, Davis G Taylor, Robert F Dallapiazza, Cheng-Chia Lee, Marvin Bergsneider
PURPOSE: The aim of this systematic review is to evaluate the long-term endocrine outcomes and postoperative complications following endoscopic vs. microscopic transsphenoidal resection (TSR) for the treatment of acromegaly. METHODS: A literature review was performed, and studies with at least five patients who underwent TSR for acromegaly, reporting biochemical remission criteria and long-term remission outcomes were included. Data extracted from each study included surgical technique, perioperative complications, biochemical remission criteria, and long-term remission outcomes...
November 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28912338/duration-of-post-operative-hypocortisolism-predicts-sustained-remission-after-pituitary-surgery-for-cushing-s-disease
#17
Prachi Bansal, Anurag Lila, Manjunath Goroshi, Swati Jadhav, Nilesh Lomte, Kunal Thakkar, Atul Goel, Abhidha Shah, Shilpa Sankhe, Naina Goel, Neelam Jaguste, Tushar Bandgar, Nalini Shah
PURPOSE: Transsphenoidal surgery (TSS) is the primary treatment modality for Cushing's disease (CD). However, the predictors of post-operative remission and recurrence remain debatable. Thus, we studied the post-operative remission and long-term recurrence rates, as well as their respective predictive factors. METHODS: A retrospective analysis of case records of 230 CD patients who underwent primary microscopic TSS at our tertiary care referral centre between 1987 and 2015 was undertaken...
November 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28904704/-prolactin-secreting-microadenoma-in-menopausal-women
#18
Ines Barka, Emna Dendana, Nesrine Chikhrouhou, Amel Maroufi, Maha Kacem, Molka Chadli, Koussay Ach
Prolactin-secreting adenoma is rare in elderly women. Patient's clinical picture may be confused with that of menopause, making diagnosis sometimes difficult. We report the case of a 57-year old woman with a 2-year history of secondary amenorrhea without hot flushes associated with galactorrhea in order to highlight the peculiarities of prolactin-secreting microadenomas. Physical examination confirmed the diagnosis of galactorrhoea and biology showed hyperprolactinemia at mIU/L, FSH = 15.1 IU/L and LH = 4,1 IU/L...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28887283/endoscopic-transsphenoidal-approach-for-acromegaly-remission-rates-in-401-patients-2010-consensus-criteria
#19
Ihsan Anik, Burak Cabuk, Aykut Gokbel, Alev Selek, Berrin Cetinarslan, Yonca Anik, Savas Ceylan
BACKGROUND: Transsphenoidal surgery is the first choice treatment for acromegaly. Postoperative remission is an important predictor of outcome. Various factors have been described as markers of remission preoperative mean growth hormone (GH) and insulin-like growth factor-1 levels, cavernous sinus invasion, tumor size, extra pseudocapsule resection, and experience of the surgeon. MATERIALS AND METHODS: A total of 401 patients underwent 432 endoscopic transsphenoidal surgeries between August1997 and June 2016 at Pituitary Research Centre of Kocaeli University...
September 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28885368/successful-management-of-octreotide-insensitive-thyrotropin-secreting-pituitary-adenoma-with-bromocriptine-and-surgery-a-case-report-and-literature-review
#20
REVIEW
Chengxian Yang, Huanwen Wu, Jing Wang, Mingming Hu, Xiaoping Xing, Xinjie Bao, Renzhi Wang
RATIONALE: Case reports concerning the value of dopamine agonists in the treatment of patients with thyrotropin-secreting pituitary adenoma (TSHoma) are limited. Herein, we present a rare case of octreotide-insensitive TSHoma responding to bromocriptine therapy. PATIENT CONCERNS: A 45-year-old Chinese man was admitted to Peking Union Medical College Hospital with marked clinical manifestations of hyperthyroidism. DIAGNOSES: Thyroid function tests demonstrated elevated concentrations of free thyroid hormones in the presence of normal thyrotropin...
September 2017: Medicine (Baltimore)
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