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https://www.readbyqxmd.com/read/28811197/seasonal-changes-in-plasma-testosterone-and-cortisol-suggest-an-androgen-mediated-regulation-of-the-pituitary-adrenal-axis-in-the-tarabul-s-gerbil-gerbillus-tarabuli-thomas-1902
#1
Yamina Zatra, Naouel Aknoun-Sail, Arezki Kheddache, Abdelouafi Benmouloud, Salima Charallah, Elara N Moudilou, Jean-Marie Exbrayat, Farida Khammar, Zaina Amirat
In the desert gerbil Gerbillus tarabuli (Thomas, 1902), cortisol is the main glucocorticosteroid produced by the adrenal glands. Plasma cortisol concentrations show highest values when testosterone is reduced and lowest values during the breeding season which occurs from early winter to late spring. In order to specify the implication of testicular androgens in these corticosteroid seasonal variations we investigated the effects induced by gonadectomy performed during the breeding season on the pituitary adrenal axis...
August 12, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28808491/distribution-patterns-of-the-metastases-of-the-lung-carcinoma-in-relation-to-histological-type-of-the-primary-tumor-an-autopsy-study
#2
Ivana Savic Milovanovic, Mihailo Stjepanovic, Dragan Mitrovic
INTRODUCTION: Lung cancer is among leading causes of death worldwide. Different histological types of the lung carcinoma show significant differences in behavior. OBJECTIVES: The aim of this study is to determine the distribution patterns of metastases of different lung cancer histological types in autopsied individuals. METHODS: Protocols from all autopsies performed at the Institute of Pathology from 2008 till 2014 were reviewed retrospectively, and information on individuals' age, sex, histological type of primary lung cancer, presence and location of metastases, and causes of death were recorded...
July 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28806623/retroperitoneal-paraganglioma-is-pre-operative-embolization-useful
#3
Natalia Apentchenko Eriutina, Camilo J Castellón Pavón, Carlos García Vásquez, Irene Gonzalo Montesinos, Santos Jiménez de Los Galanes, Pedro A Pacheco Martínez, Juan Gómez Patiño
INTRODUCTION: Paragangliomas (PG) are rare tumors derived from chromaffin cells that are located outside the adrenal gland and are capable of producing catecholamines. The treatment is based on a surgical resection, and there is controversy regarding the usefulness of previously carrying out an embolization and what is the most adequate surgical approach. CLINICAL CASE: We will present a 17-year-old woman with a retroperitoneal tumour in contact with the aorta and the inferior vena cava, treated with embolization prior to the surgical resection via laparotomy...
August 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28795359/the-diagnostics-of-human-steroid-hormone-disorders
#4
Małgorzata Dobosz, Aneta Manda-Handzlik, Beata Pyrżak, Urszula Demkow
Disturbances of the steroidogenesis or altered peripheral metabolism of steroids may result in severe clinical manifestations. Therefore, prompt diagnosis and initiation of medical treatment are desirable. The diagnostics of disorders of steroid hormone production, metabolism, and action have been previously based on immunoassay tests. However, in a modern medical laboratory, due to low accuracy of immunoassays, this technique is continuously replaced by chromatographic separation methods coupled to mass spectrometric detection systems...
August 10, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28794862/case-report-an-incidentaloma-that-catches-your-eye-adrenal-myelolipoma
#5
Rosanna D'Addosio, Joselyn Rojas, Valmore Bermúdez, Flor Ledesma, Kyle Hoedebecke
Background: Adrenal incidentaloma refers to the incidental finding of a tumor in the adrenal gland, where nonfunctional forms are the most common variant. Myelolipoma is a rare (0.08-0.4%) occurrence characterized by adipose and hematopoietic tissue. The aim of this case report is to describe the diagnosis and appropriate management of a myelolipoma in an asymptomatic patient, which was originally considered an incidental hepatic hemangioma prior to being identified as a giant adrenal adenoma. Case description: The patient was a 54 year old obese female with a recent diagnosis of diabetes type II and dyslipidemia with recent ultrasound imaging suggestive of a hepatic hemangioma...
2017: F1000Research
https://www.readbyqxmd.com/read/28791474/acetylcholine-nicotinic-receptor-subtypes-in-chromaffin-cells
#6
REVIEW
Manuel Criado
In the adrenal gland, acetylcholine released on stimulation of the sympathetic splanchnic nerve activates neuronal-type nicotinic receptors (nAChRs) in chromaffin cells and triggers catecholamine secretion. At least two subtypes of nAChRs have been described in bovine chromaffin cells. The main subtype, a heteromeric assembly of α3, β4 and perhaps α5 subunits, is involved in the activation step of the catecholamine secretion process and is not blocked by the snake toxin α-bungarotoxin. The other is α-bungarotoxin-sensitive, and its functional role has not yet been well defined...
August 8, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28782322/congenital-adrenal-hyperplasia-with-11-beta-hydroxylase-deficiency-with-testicular-adrenal-rest-tumour
#7
Archana Sonawale, Anjali Rajadhyaksha, Siddharth Warrier, Rohit Shriwastav, Nilakshi H Sabnis
Congenital adrenal hyperplasia refers to the non-malignant enlargement of adrenal gland tissue as a result of deficiency of one of several enzymes involved in adrenal hormone synthesis, secondary to a genetic mutation. 11 - Beta hydroxylase is one such enzyme, and its deficiency is a rare cause of Congenital Adrenal Hyperplasia. We describe the case of an 18-year old man who presented to us with an acute right ganglio-capsular bleed, hypertension and bilateral scrotal swelling. Investigations revealed hypokalemia, and normal renal and cardiac functions...
June 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28781196/clinicopathological-and-immunohistochemical-analysis-of-epithelial-lined-true-cysts-of-the-adrenal-gland-with-proposal-of-a-new-histogenetic-categorization
#8
Łukasz Koperski, Paweł Pihowicz, Benedykt Szczepankiewicz, Łukasz Fus, Agata Cyran, Magdalena Bogdańska, Barbara Górnicka
Epithelial- lined (true) cysts are rare lesions and until now the only information we had about their histogenesis was based on the analysis of a few cases. We retrospectively reviewed 8 cases of cysts with a true epithelial lining (confirmed immunohistochemically). The pathological findings and immunohistochemical analysis of the epithelial linings allowed for categorization of the cysts into 3 groups. Five cysts had pure mesothelial lining, which was flattened to cuboidal, and demonstrated a positive reaction for mesothelial markers (eg...
July 21, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28767733/lactate-dehydrogenase-and-creatine-kinase-as-poor-prognostic-factors-in-lung-cancer-a-retrospective-observational-study
#9
Lei Liu, Ying He, Ge Ge, Lei Li, Ping Zhou, Yihan Zhu, Huairong Tang, Yan Huang, Weimin Li, Li Zhang
PURPOSE: Circulating molecules play important roles in lung cancer diagnosis. In addition, plasma lactate dehydrogenase (LDH) and creatine kinase (CK) have been shown to be closely related to tumor progression in breast cancer, prostate cancer, and colonel cancer. However, the relationships between LDH and CK levels with metastasis occurrence and the survival status of lung cancer patients remain unclear. EXPERIMENTAL DESIGN: A total of 1142 lung cancer patients were enrolled in this study and were separated into negative or positive groups, according to the plasma levels of CK or LDH...
2017: PloS One
https://www.readbyqxmd.com/read/28767594/retroperitoneal-bronchogenic-cyst-resembling-an-adrenal-tumor-with-high-levels-of-serum-carbohydrate-antigen-19-9-a-case-report
#10
Min Wang, Xu He, Xia Qiu, Chuan Tian, Jian Li, Mingnan Lv
RATIONALE: Retroperitoneal bronchogenic cysts without specific clinical manifestations are extremely rare and difficult to diagnose preoperatively and are easily misdiagnosed as left adrenal or pancreatic tumors. PATIENT CONCERNS: A 48-year-old woman with the chief complaint of obscure epigastric pain for 1 month and with no other gastrointestinal symptoms and no significant medical history. The patient had signed informed consent for publication of this case report...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28766543/-bone-marrow-involvement-in-primary-mediastinal-b-cell-lymphoma
#11
A U Magomedova, E A Fastova, A M Kovrigina, T N Obukhova, N I Skidan, Ya K Mangasarova, A I Vorobyev, S K Kravchenko
Primary mediastinal large B-cell lymphoma (PMBCL) is a distinct type of large B-cell lymphoma. In this type of the disease, the neoplastic process is located in the anterior and superior mediastinum, frequently with compression of the superior vena cava and with tumor invasion into the adjacent organs and tissues: the pericardium, lung, pleura, etc. Despite the fact that in PMBCL progression, there may be involvement of extranodal organs, such as the kidney, adrenal glands, liver, and central nervous system, bone marrow (BM) injury is generally absent...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28764742/pancreatic-gangliocytic-paraganglioma-harboring-lymph-node-metastasis-a-case-report-and-literature-review
#12
Keisuke Nonaka, Yoko Matsuda, Akira Okaniwa, Atsuko Kasajima, Hironobu Sasano, Tomio Arai
BACKGROUND: Gangliocytic paraganglioma (GP) is a rare neuroendocrine neoplasm, which occurs mostly in the periampullary portion of the duodenum; the majority of the reported cases of duodenal GP has been of benign nature with a low incidence of regional lymph node metastasis. GP arising from the pancreas is extremely rare. To date, only three cases have been reported and its clinical characteristics are largely unknown. CASE PRESENTATION: A nodule located in the pancreatic head was incidentally detected in an asymptomatic 68-year-old woman...
August 2, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28764229/upper-gastrointestinal-bleed-as-a-manifestation-of-poorly-differentiated-metastatic-squamous-cell-carcinoma-of-the-lung
#13
Richa Bhardwaj, Gaurav Bhardwaj, Arun Gautam, Raffi Karagozian
Gastrointestinal (GI) metastasis from primary lung cancer is a rare clinical finding. Lung cancer most often metastasizes to the brain, bone, liver, and adrenal glands; with gastrointestinal involvement being very rare. We report a case of a 39-year-old female with a diagnosis of poorly differentiated Squamous Cell Carcinoma (SCC) of the lung presenting with dizziness and melena. Esophagogastroduodenoscopy (EGD) showed a bleeding mass in the stomach. Final biopsy report and Immunohistochemistry (IHC) of the specimen were consistent with SCC lung metastasis...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28764180/high-grade-serous-cystadenocarcinoma-of-testis-case-report-of-a-rare-ovarian-epithelial-type-tumour
#14
Sithara Aravind, Sangeetha K Nayanar, R Varadharajaperumal, T V Satheeshbabu, Satheesan Balasubramanian
Ovarian epithelial type tumour of testis are extremely rare tumours that resemble ovarian surface epithelial tumours. They usually present as testicular or paratesticular tumours and can be serous, mucinous, endometrioid or Brenner tumour. Serous and mucinous types account for the majority of tumours. The tumours are benign, borderline or malignant, commonly borderline. Here, we report a case of high grade serous cyst adenocarcinoma of testis which manifested as extensive metastasis in supraclavicular, mediastinal and abdominopelvic groups of lymph nodes, lung and adrenal gland without clinical evidence of an overt primary tumour...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28763303/insights-into-the-potential-antidepressant-mechanisms-of-cilostazol-in-chronically-restraint-rats-impact-on-the-nrf2-pathway
#15
Sally A Abuelezz, Nevien Hendawy
Ample evidence has pointed to a close link between oxidative stress, mitochondrial dysfunction, and depression. Nuclear factor-erythroid 2-related factor-2 (Nrf2) is a master regulator of cellular redox homeostasis and affects mitochondrial function. Nrf2 holds promise for depression prevention and treatment. This study aimed to investigate the potential prophylactic antidepressant effect of cilostazol and the contribution of the Nrf2 pathway toward the putative neuroprotection. The behavioral and neurochemical effects of concomitant treatment of oral cilostazol at doses of 7...
July 31, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/28760673/isolation-of-mouse-chromaffin-secretory-vesicles-and-their-division-into-12-fractions
#16
Marta R Pardo, Judith Estévez-Herrera, Leandro Castañeyra, Ricardo Borges, José David Machado
The study of chromaffin secretory vesicles (SVs) has contributed immensely to our understanding of exocytosis. These organelles, also called chromaffin granules, are a specific type of large dense secretory vesicle found in many endocrine cells and neurons. Traditionally, they have been isolated from bovine adrenal glands due to the large number of SVs that can be obtained from this tissue. However, technical advances now make it possible to obtain very pure preparations of SVs from mice, which is particular interesting for functional studies given the availability of different genetically modified strains of mice...
July 29, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28760557/testicular-metastasis-from-prostatic-adenocarcinoma-presenting-as-recurrent-epididymo-orchitis
#17
Kyle Waisanen, Tijani Osumah, Sneha S Vaish
OBJECTIVE: To present a rare case of testicular metastasis from prostatic adenocarcinoma origin and to provide a meaningful discussion of currently available supporting literature. MATERIALS AND METHODS: Pertinent health information was obtained by retrospective analysis of hospital electronic medical records. RESULTS: A 93-year-old male with history of castration resistant prostatic adenocarcinoma presenting with recurrent episodes of epididymo-orchitis with Initial symptoms responsive to oral antibiotics...
July 28, 2017: Urology
https://www.readbyqxmd.com/read/28759180/central-hypoadrenocorticism-associated-with-rathke-s-cleft-cyst
#18
Fumika Kawano, Tomoyo Itonaga, Masanori Inoue, Miwako Maeda, Hiroaki Miyahara, Kenji Ihara
Rathke's cleft cysts (RCCs) are non-neoplastic, sellar or suprasellar epithelium-lined cysts originating from Rathke's pouch in the pituitary gland. Patients with RCCs are usually asymptomatic, but some have only been identified when symptoms manifested in middle age. The characteristics of these patients during childhood or adolescence remains unknown. We describe an 18-year-old girl who had occasionally suffered from malicious fatigue in the morning since her early teens. Brain magnetic resonance imaging (MRI) revealed T1 hyperintense/T2 hypointense signals between the anterior and posterior pituitary glands, indicating the presence of RCC...
July 2, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28758008/bilateral-extramedullary-adrenal-plasmacytoma-case-report-and-review-of-the-literature
#19
REVIEW
Philip J Townend, Gabriel Kraus, Luke Coyle, David Nevell, Anton Engelsman, Stan B Sidhu
Extramedullary plasmacytoma (EMP) accounts for only 3% of plasma cell malignancies; others include multiple myeloma, plasma cell leukemia and solitary plasmacytoma of bone. The majority of EMPs are found in the upper respiratory tract. Other sites include the GI tract, bladder, CNS, thyroid, breast, testes, parotid gland, lymph nodes and skin. There are eight cases in the literature of adrenal plasmacytoma, however, only two were bilateral. We describe our recent experience of bilateral adrenal plasmacytoma and review of the literature...
May 2017: International Journal of Endocrine Oncology
https://www.readbyqxmd.com/read/28757874/a-rare-case-of-primary-bilateral-adrenal-lymphoma
#20
Veeraraghavan Meyyur Aravamudan, Phang Kee Fong, Yang Shiyao Sam, Pavel Singh, Siok-Bian Ng, Gollamudi Satya Pavan Kumar
Lymphoma may involve the adrenal glands, but primary lymphoma is rare. Only a few cases have been reported in medical literature. Primary adrenal lymphoma is extremely rare, accounting for <1% of non-Hodgkin lymphomas. We here present a case of a middle-aged female who presented with persistent fever for three weeks. She also reported significant weight loss of more than 10 kgs over the duration of three months. Computed tomography of the thorax and abdomen and pelvis demonstrated bilateral adrenal masses...
2017: Case Reports in Medicine
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