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pheochromocytoma treatment

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https://www.readbyqxmd.com/read/28228965/surgical-treatment-of-left-ventricular-wall-rupture-regarded-as-a-consequence-of-takotsubo-cardiomyopathy
#1
Taalaibek Kudaiberdiev, Irina Akhmedova, Gulzada Imanalieva, Ildar Abdildaev, Kilichbek Jooshev, Jamalbek Ashimov, Azamat Mirzabekov, Janibek Gaybildaev
OBJECTIVE: We present the case of possible reverse type of TCM in a female patient presented with progressive left ventricular dysfunction and its rupture in pericardium. METHODS: The detailed history, physical examination, laboratory tests, electrocardiography, serial echocardiography, coronary angiography with left ventriculography were performed to diagnose possible Takotsubo cardiomyopathy in 63-year old woman admitted to our center with complaints of dyspnea, lightheadedness, weakness and signs of hypotension and history of inferior myocardial infarction, acute left ventricular aneurysm, and effusive pericarditis and pleuritis, developed after emotional stress 5 months ago...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28217529/study-of-awareness-of-adrenal-disorders-among-interns-and-postgraduate-students-of-hamidia-hospital-bhopal
#2
Sachin Chittawar, T N Dubey, Jitendra Sharma, Sagar Khandare
INTRODUCTION: Adrenal disorders could be a life-threatening emergency, hence requires immediate therapeutic management. For this awareness regarding its diagnosis, management, and treatment is prime important. AIMS AND OBJECTIVE: To study the awareness of adrenal disorders among interns and postgraduates students of Hamidia Hospital, Bhopal. MATERIALS AND METHODS: A cross-sectional questionnaire-based study was performed. Fifty-six participants, i...
January 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28199934/mixed-corticomedullary-adrenal-carcinoma-case-report-comparison-in-features-treatment-and-prognosis-with-the-other-two-reported-cases
#3
Mhd Belal Alsabek, Riad Alhmaidi, Bader Ghazzawi, Ghiath Hamed, Alhadi Alseoudi
INTRODUCTION: Adrenal corticomedullary adenoma was reviewed in many cases in PubMed Library, While the coincidence corticomedullary adrenal carcinoma in the same gland was just described in two cases in the medical literature. Our case is the third to be reported and was treated with surgery and adjuvant chemotherapy and followed for two years. PRESENTATION OF CASE: A 50-year-old man suffered from a mass effect in the left abdominal side. While the laboratory showed a mild elevation in the levels of both serum cortisol and 24h urine cortisol, radiological images were highly suggested an adrenal malignant tumor without metastasis...
January 31, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28121933/successful-treatment-of-metastatic-pheochromocytoma-in-the-spine-with-cement-augmentation
#4
Siyi Cai, Xiangyi Kong, Chengrui Yan, Yong Liu, Xi Zhou, Guixing Qiu
Metastatic pheochromocytoma in the spine is rare, and there is no standard curative management. Treatment via open surgery is often risky in the perioperative period, while osteoplasty by cement augmentation is a less invasive option.We describe 2 patients with recurrence of pheochromocytoma involving the spine and the pelvis who were successfully treated with osteoplasty by cement augmentation. A 31-year-old female underwent cement augmentation for a pelvic lesion 6 months after the resection and screw fixation of an L3 lesion...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28120550/pheochromocytomas-and-paragangliomas-in-humans-and-dogs
#5
REVIEW
S Galac, E Korpershoek
Pheochromocytomas (PCCs) and paragangliomas (PGLs) are described in several species. In humans and dogs they have many similarities: the excessive catecholamine release in hormonally active PCC causes similar clinical signs, the frequency of metastasis is similar, and they are histopathologically almost identical. Surgery is curative when PCC and PGL have not metastasized, while only palliative treatment is possible for patients with metastatic disease. Mutations in succinate dehydrogenase subunit B (SDHB) are associated with metastatic behaviour in human PCC/PGL and the same mutation has been described in dogs...
January 25, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28116635/a-somatic-hif2%C3%AE-mutation-induced-multiple-and-recurrent-pheochromocytoma-paraganglioma-with-polycythemia-clinical-study-with-literature-review
#6
Qiuli Liu, Yan Wang, Dali Tong, Gaolei Liu, Wenqiang Yuan, Jun Zhang, Jin Ye, Yao Zhang, Gang Yuan, Qingxing Feng, Dianzheng Zhang, Jun Jiang
A syndrome known as pheochromocytomas (PCC)/paragangliomas (PGL) and polycythemia resulted from gain-of-function mutation of hypoxia-inducible factor 2α (HIF2α) has been reported recently. However, clinical features of this syndrome vary from patient to patient. In our study, we described the clinical features of the patient within 15-year follow-up with a literature review. The patient presented with "red face" since childhood and was diagnosed with polycythemia and pheochromocytoma in 2000, and then, tumor was removed at his age of 27 (year 2000)...
January 23, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/28108930/controlling-tumor-progression-with-cyclophosphamide-vincristine-and-dacarbazine-treatment-improves-survival-in-patients-with-metastatic-and-unresectable-malignant-pheochromocytomas-paragangliomas
#7
Shiko Asai, Takuyuki Katabami, Mika Tsuiki, Yasushi Tanaka, Mitsuhide Naruse
Evidence has not been established to support that combination chemotherapy with cyclophosphamide, vincristine, and dacarbazine (CVD) improves survival in patients with malignant pheochromocytoma and paraganglioma (M-PPGL). To investigate the efficacy of CVD for this disease, we retrospectively analyzed data of 23 patients with metastatic and unresectable M-PPGL (mean age, 41.7 ± 15.4 years) who received at least 2 cycles of this regimen. The follow-up period after initiation of CVD ranged from 0.3 to 13...
January 20, 2017: Hormones & Cancer
https://www.readbyqxmd.com/read/28070114/development-of-database-and-genomic-medicine-for-von-hippel-lindau-disease-in-japan
#8
Shunsaku Takayanagi, Akitake Mukasa, Hirofumi Nakatomi, Hiroshi Kanno, Jun-Ichi Kuratsu, Ryo Nishikawa, Kazuhiko Mishima, Atushi Natsume, Toshihiko Wakabayashi, Kiyohiro Houkin, Shunsuke Terasaka, Masahiro Yao, Nobuo Shinohara, Taro Shuin, Nobuhito Saito
von Hippel-Lindau (VHL) disease is a hereditary tumor disease in which tumors develop in multiple organs, not only as hemangioblastomas (HBs) in the central nervous system, but also as kidney tumors, pheochromocytomas, and so on. Much about the epidemiology of VHL disease remained unknown until fairly recently in Japan, leading to calls for the establishment of a VHL disease epidemiological database in Japanese. To elucidate its epidemiology in Japan, the Japanese Ministry of Health, Labour and Welfare created the VHL Disease Study Group, which was put in charge of carrying out a nationwide epidemiological survey...
January 6, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28070104/comparative-photodynamic-therapy-cytotoxicity-of-mannose-conjugated-chlorin-and-talaporfin-sodium-in-cultured-human-and-rat-cells
#9
Yo Shinoda, Tsutomu Takahashi, Jiro Akimoto, Megumi Ichikawa, Hiromi Yamazaki, Atsushi Narumi, Shigenobu Yano, Yasuyuki Fujiwara
Photodynamic therapy (PDT) is a Food and Drug Administration authorized method for cancer treatment, which uses photosensitizer and laser photo-irradiation to generate reactive oxygen species to induce cell death in tumors. Photosensitizers have been progressively developed, from first to third generation, with improvements in cell specificity, reduced side effects and toxicity, increased sensitivity for irradiation and reduced persistence of photosensitizer in healthy cells. These improvements have been achieved by basic comparative experiments between current and novel photosensitizers using cell lines; however, photosensitizers should be carefully evaluated because they may have cell type specificity...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28058556/surgical-treatment-of-malignant-pheochromocytoma-and-paraganglioma-retrospective-case-series
#10
Veljko Strajina, Benzon M Dy, David R Farley, Melanie L Richards, Travis J McKenzie, Keith C Bible, Florencia G Que, David M Nagorney, William F Young, Geoffrey B Thompson
INTRODUCTION: Pheochromocytoma and paraganglioma (PPGL) are rare neoplasms; about 10% are malignant. Literature regarding possible benefit from resection is extremely limited. METHODS: A 20 year review of all patients undergoing surgery for malignant PPGL at the Mayo Clinic Rochester Campus between 1994 and June 2014 was performed. RESULTS: We identified 34 patients undergoing surgery for malignant PPGL. Median follow up was 6 and 5 years survival was 90% (median 11 years)...
January 5, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28058099/adenomatoid-tumor-of-the-adrenal-gland-in-young-woman-from-clinical-and-radiological-to-pathological-study
#11
Brankica Krstevska, Sasha Jovanovska Mishevska, Rubens Jovanovic
Adenomatoid tumors are neoplasms of mesothelial origin, usually occurring in the male and female genital tracts. Extragenital localization sites such as adrenal glands are rare but have been reported. When found in the adrenals, they represent great clinical, radiological and pathological diagnostic challenge, with wide range of differential diagnoses to be considered. We present a case of a 30 years old female, with incidental ultrasound finding of unilateral tumor in the right adrenal gland. Multi slices CT scan was of value in localizing this tumor, but not in the precise diagnosis...
November 17, 2016: Rare Tumors
https://www.readbyqxmd.com/read/27941337/cxcl12-regulates-the-cholinergic-locus-and-cht1-through-akt-signaling-pathway
#12
Jing Yan, Wenhui Zhao, Meixia Guo, Xuefei Han, Zhiwei Feng
BACKGROUND: CXCL12 is pivotal for cholinergic neurons, and it induces the expressions of several genes that are essential for synthesis and storage of acetylcholine(ACh), specifically choline acetyltransferase, vesicular ACh transporter (VAChT), and choline transporter. The present study explored the impact of pharmacological Akt inhibition upon cholinergic gene expression. METHODS: Western blotting was employed to determine the level of p-AKT, RT-PCR to check the mRNA levels of and CHT1(choline transporter1),VAChT and ChAT, ELISA to decipher the secretion of ACh and the activity of choline acetyltransferase...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27908211/pheochromocytoma-in-neurofibromatosis-type-1-during-pregnancy
#13
Pablo Remón-Ruiz, Alberto Aliaga-Verdugo, Raquel Guerrero-Vázquez
Pregnant women with neurofibromatosis type 1 (NF-1) have increased complications during gestation, including hypertensive disorders that are sometimes caused by pheochromocytoma. Pheochromocytoma is an extremely rare condition during pregnancy, and the main clinical manifestation is hypertension. If not properly treated, pheochromocytoma has high maternal and fetal mortality rates. Early recognition and adequate clinical management before delivery have led to better outcomes in the last few decades. Despite the association of NF-1 and pheochromocytoma, there are few clinical reports of these two conditions in pregnant patients...
February 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27899191/genetic-predisposition-to-endocrine-tumors-diagnosis-surveillance-and-challenges-in-care
#14
REVIEW
Elisabeth Joye Petr, Tobias Else
Endocrine tumor syndromes, eg, multiple endocrine neoplasia types 1 and 2, were among the first recognized hereditary predisposition syndromes to tumor development. Over time, the number of endocrine tumor syndromes has significantly expanded, eg, with the recent inclusion of hereditary paraganglioma syndromes. Associations of non-endocrine tumors with hereditary endocrine tumor syndromes and endocrine tumors with non-classical endocrine tumor syndromes have emerged. These findings have certainly expanded the scope of care, necessitating a multidisciplinary approach by a team of medical professionals and researchers, integrating shared patient decision-making at every step of surveillance, diagnosis, and treatment...
October 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/27896511/resection-of-pheochromocytoma-improves-diabetes-mellitus-in-the-majority-of-patients
#15
Toni Beninato, Wouter P Kluijfhout, Frederick Thurston Drake, James Lim, Julie S Kwon, Maggie Xiong, Wen T Shen, Jessica E Gosnell, Chienying Liu, Insoo Suh, Quan-Yang Duh
BACKGROUND: Catecholamine excess in patients with pheochromocytoma often results in impaired glucose tolerance, leading to diabetes mellitus. Little data are available on the long-term effect of surgery on diabetes. OBJECTIVE: The primary aim of this study was to determine the likelihood of diabetes cure after surgery, while secondary objectives were to determine risk factors for development of diabetes preoperatively and persistence of diabetes postoperatively...
November 28, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27895137/successful-response-to-pegylated-interferon-alpha-in-a-recurrent-paraganglioma
#16
Thibault Bahougne, Alessio Imperiale, Gerlinde Averous, Gerard Chabrier, Nelly Burnichon, Anne-Paule Gimenez-Roqueplo, Nassim Dali-Youcef, Rossella Libé, Eric Baudin, Catherine Roy, Herve Lang, Laurence Kessler
INTRODUCTION: Early and accurate identification of recurrences in patients with aggressive paraganglioma (PGL) poses significant challenges. Moreover, the most appropriate therapeutic strategy for recurrent PGL remains to be established. RESULTS: We report the case of 52-year-old man with a history of recurrent, sporadic, left retroperitoneal PGL that relapsed twice (at eight and nine years after the first surgical intervention). At the time of the second recurrence, 2-deoxy-2-[fluorine-18]fluoro-D-glucose (FDG) positron emission tomography/computed tomography (PET/CT) demonstrated a pathologically increased tracer uptake in multiple nodular lesions (10-15 mm in size) located close to the remnant of the left renal pedicle and in the left lombar paravertebral region...
November 28, 2016: Endocrine-related Cancer
https://www.readbyqxmd.com/read/27878303/neuroprotective-effects-of-vitexin-against-isoflurane-induced-neurotoxicity-by-targeting-the-trpv1-and-nr2b-signaling-pathways
#17
Linlin Chen, Bin Zhang, Shiqiang Shan, Xin Zhao
Vitexin is a bioactive compound extracted from hawthorn leaves, which reduces blood pressure and has anti‑inflammatory and potential anticancer effects. However, the mechanisms underlying the protective effects of vitexin against isoflurane‑induced neurotoxicity remain elusive. Therefore, the aim of the present study was to investigate these mechanisms further. Sprague Dawley rats received 1.4% isoflurane in a 100% oxygen environment for 2 h. Human PC12 pheochromocytoma neurosecretory cells were exposed to 2% isoflurane for 12 h before they were treated with 1, 10 or 100 µM vitexin for a further 24 h...
December 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27871582/glucagon-induced-hypertensive-emergency-a-case-report
#18
Aron Legler, Richard K Kim, Nikhil Chawla
Glucagon is well acknowledged as a sphincter of Oddi relaxant for both diagnostic and therapeutic uses in choledocholithiasis, and an empiric treatment for β-blocker overdose. Although it has been implicated in inducing cardiovascular crises in patients with asymptomatic pheochromocytoma, adverse effects in other patient populations have not been characterized. This case report describes a patient with hypertension controlled on β blockers who, after glucagon administration during an intraoperative cholangiography, experienced hypertensive emergency despite adequate pain control...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27867865/perioperative-hemodynamic-instability-in-patients-undergoing-laparoscopic-adrenalectomy-for-pheochromocytoma
#19
REVIEW
Magdalena Pisarska, Michał Pędziwiatr, Andrzej Budzyński
Perioperative hemodynamic instability still remains the biggest surgical and anesthetic challenge in surgery for pheochromocytoma. The aim of this review was to discuss pre-, intra- and postoperative factors that may impact on hemodynamic condition of a patient. It describes patients' preparation with appropriate medication, principles of surgical technique as well as risk factors for development of hemodynamic instability in postoperative period. Currently the gold standard in the treatment of pheochromocytoma is preoperative use of alpha-blockers and laparoscopic surgery...
October 2016: Gland Surgery
https://www.readbyqxmd.com/read/27865588/pediatric-patients-with-pheochromocytoma-and-paraganglioma-should-have-routine-preoperative-genetic-testing-for-common-susceptibility-genes-in-addition-to-imaging-to-detect-extra-adrenal-and-metastatic-tumors
#20
Bruna Babic, Dhaval Patel, Rachel Aufforth, Yasmine Assadipour, Samira M Sadowski, Martha Quezado, Naris Nilubol, Tamara Prodanov, Karel Pacak, Electron Kebebew
BACKGROUND: Pediatric pheochromocytomas and paragangliomas are rare with limited data on the optimal management approach. The aim of this study was to determine the role of genetic testing and imaging to detect extra-adrenal and/or metastatic tumors in pediatric pheochromocytomas and paragangliomas. METHODS: We performed a retrospective study of 55 patients diagnosed at ≤21 years of age with pheochromocytomas and paragangliomas with analysis of data on genetic testing and multimodal imaging...
January 2017: Surgery
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