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Primary hyperparathyroidism

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https://www.readbyqxmd.com/read/28748250/-disseminated-osteolytic-lesions-in-a-28-year-old-refugee
#1
T Karrasch, H D Walmrath, M Kampschulte, D Steiner, W Seeger, W Padberg, U Sibelius, S Gattenlöhner, A Schäffler
A 28-year-old Syrian refugee presented with right-sided knee pain and progressive deterioration of the general condition over the past months. Laboratory diagnostics revealed severe hypercalcemia due to primary hyperparathyroidism, and computed tomography (CT) scanning demonstrated disseminated osteolytic lesions throughout the skeleton. Histologically, these lesions were characterized by multinuclear giant cells (defining these lesions as so-called brown tumors). Finally, surgical removal of a jugular mass allowed the histopathologic diagnosis of a sporadic parathyroid carcinoma...
July 26, 2017: Der Internist
https://www.readbyqxmd.com/read/28747092/clinical-features-of-a-family-with-multiple-endocrine-neoplasia-type-2a-caused-by-the-d631y-mutation
#2
Naykky M Singh Ospina, Spyridoula Maraka, Diane Donegan, John C Morris
We describe a family with multiple endocrine neoplasia type 2A (MEN2A) caused by the D631Y RET mutation resulting in an atypical phenotype. The index case was a 24-year-old man, with history of recurrent anaplastic ependymoma incidentally found to have the D631Y RET mutation. At first assessment, 4 family-members had evidence of large pheochromocytoma (PHEO). One patient was found to have micro-medullary thyroid cancer (MTC) at age 79. None of the patients had primary hyperparathyroidism. Patients with MEN2A caused by a D631Y RET mutation most commonly present with PHEO...
July 26, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28746021/use-of-a-technetium99m-sestamibi-scan-to-detect-ipsilateral-double-adenoma-in-a-patient-with-primary-hyperparathyroidism-a-case-report
#3
Joseph Gabriel Gabriel, Alejandro Contreras, Andrew Rosenthal
INTRODUCTION: Patients with primary hyperparathyroidism generally have a single parathyroid adenoma that causes excessive excretion of parathyroid hormone. For about 2% to 15% of these patients, a double adenoma is present that involves one lesion on each side of the neck. CASE PRESENTATION: We describe a case of double parathyroid adenoma causing asymptomatic hypercalcemia. A presurgical technetium99m (Tc99m) sestamibi scan suggested an ipsilateral double adenoma in the left thyroid lobe...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28745704/-the-minimally-invasive-video-assisted-parathyroidectomy-for-primary-hyperparathyroidism
#4
I A Kurganov, S I Emel'yanov, D Yu Bogdanov, N L Matveyev, D V Lukyanchenko, M Sh Mamistvalov, O A Agafonov, G M Rutenburg, A B Guslev
AIM: To study feasibility, effectiveness and safety of minimally invasive video-assisted parathyroidectomy in patients with primary hyperparathyroidism; to define the advantages and disadvantages of this technique compared with conventional open surgery. MATERIAL AND METHODS: The study includes the results of 33 minimally invasive video-assisted parathyroidectomies performed in patients with primary hyperparathyroidism. The control group included 36 patients who underwent conventional open surgery...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28741786/ectopic-parathyroid-adenoma-in-the-pyriform-sinus
#5
Jonathan Kim, Maricel Cubangbang, Lacey Adkins, Stanley Chia, Timothy R DeKlotz, Lisa Boyle, Bruce Davidson
BACKGROUND: Ectopic parathyroid glands may complicate the surgical approach to primary hyperparathyroidism. We describe a rare ectopic parathyroid location, the pyriform sinus. METHODS: Three patients, 2 after prior unsuccessful parathyroid exploration, were found to have ectopic parathyroid adenomas in the pyriform sinus. Two cases were identified by 4D-CT of the neck. The other was localized by a technetium 99m sestamibi single photon emission CT (SPECT). In each case, office endoscopy confirmed the lesions...
July 25, 2017: Head & Neck
https://www.readbyqxmd.com/read/28740534/primary-hyperparathyroidism-associated-to-thrombocytopenia-an-issue-to-consider
#6
Steven De Keukeleire, Kristoff Muylle, Georgios Tsoumalis, Stefan Vermeulen, Dirk Vogelaers
Primary hyperparathyroidism (PHPT) is probably the most common endocrine disorder of the parathyroid glands, causing hypercalcemia. It is diagnosed often in persons with elevated serum calcium levels. However, hematological manifestations, such as thrombocytopenia are less known. In this case we describe the possible association of PHPT with reversible thrombocytopenia after parathyroidectomy. This hematological abnormality can be included in the spectrum of possible causes, including seemingly non-specific symptoms, in the decision tree towards surgical assessment...
January 2017: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28740527/molecular-genetics-in-primary-hyperparathyroidism-the-role-of-genetic-tests-in-differential-diagnosis-disease-prevention-strategy-and-therapeutic-planning-a-2017-update
#7
REVIEW
Francesca Marini, Luisella Cianferotti, Francesca Giusti, Maria Luisa Brandi
Primary hyperparathyroidism (PHPT) is one of the most frequent endocrine disease in developed countries. It mainly occurs as sporadic cases (about 90-95% of cases), while only the remaining 5-10% is represented by familial inherited parathyroid disorders due to causative mutations in specific target genes. Clinical variability among the different familial parathyroid syndromes is generally linked to the specific mutated gene and it can predispose subjects to different manifestations of parathyroid pathology, various degrees of PHPT severity, persistence and/or after-surgery recurrences...
January 2017: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28740484/corrigendum-contemporary-medical-management-of-primary-hyperparathyroidism-a-systematic-review
#8
Julius Simoni Leere, Jesper Karmisholt, Maciej Robaczyk, Peter Vestergaard
[This corrects the article on p. 79 in vol. 8, PMID: 28473803.].
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28736585/late-onset-asymptomatic-pancreatic-neuroendocrine-tumor-a-case-report-on-the-phenotypic-expansion-for-men1
#9
Charu Kaiwar, Sarah K Macklin, Jennifer M Gass, Jessica Jackson, Eric W Klee, Stephanie L Hines, John A Stauffer, Paldeep S Atwal
BACKGROUND: Multiple endocrine neoplasia type 1 (MEN1) is a hereditary cancer syndrome associated with several endocrine as well as non-endocrine tumors and is caused by mutations in the MEN1 gene. Primary hyperparathyroidism affects the majority of MEN1 individuals by age 50 years. Additionally, MEN1 mutations trigger familial isolated hyperparathyroidism. We describe a seemingly unaffected 76-year-old female who presented to our Genetics Clinic with a family history of primary hyperparathyroidism and the identification of a pathogenic MEN1 variant...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28732535/case-report-rare-skeletal-manifestations-in-a-child-with-primary-hyperparathyroidism
#10
Maulee Hiromi Arambewela, Kamani Danushka Liyanarachchi, Noel P Somasundaram, Aruna S Pallewatte, Gamini L Punchihewa
BACKGROUND: Primary hyperparathyroidism (PHPT) is uncommon among children with an incidence of 1:300,000. This diagnosis is often missed in children in contrast to adults where it is detected at a pre symptomatic stage due to routine blood investigations. Etiology of PHPT can be due to adenoma, hyperplasia or rarely carcinoma. CASE PRESENTATION: A 12 year old Sri Lankan girl presented with progressive difficulty in walking since 1 year. On examination she had bilateral genu valgum...
July 21, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28730419/the-intriguing-connections-of-leptin-to-hyperparathyroidism
#11
REVIEW
Stergios A Polyzos, Leonidas Duntas, Jens Bollerslev
PURPOSE: Leptin has been implicated in bone metabolism, but the association with parathyroid gland function has not been fully clarified. This review aimed to summarize evidence of the association between leptin and hyperparathyroidism, both primary and secondary, elucidating the potential pathophysiologic and therapeutic consequences between leptin and parathyroid hormone, hopefully prompting the design of new studies. RESULTS: Experimental studies indicate a positive loop between leptin and parathyroid hormone in primary hyperparathyroidism...
July 20, 2017: Endocrine
https://www.readbyqxmd.com/read/28721219/two-rare-manifestations-of-primary-hyperparathyroidism-paralysis-and-peptic-ulcer-bleeding
#12
Maryam Heidarpour, Mehdi Karami, Pegah Hedayat, Ashraf Aminorroaya
Primary hyperparathyroidism revealed by thoracic spine brown tumor and peptic ulcer bleeding is rare. We presented a case of 33-year-old male patient who was admitted with paraplegia. Thoracic spine magnetic resonance imaging (MRI) showed extradural lesion at T4 level. He underwent surgical decompression in T4. According to histopathologic finding and elevated serum parathormone (PTH) and hypercalcemia (total serum calcium 12.1 mg/dL), the diagnosis of brown tumor was down. Ultrasonography of his neck showed a well-defined lesion of 26 × 14 × 6 mm...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28711370/assessing-the-risk-of-hypercalcemic-crisis-in-patients-with-primary-hyperparathyroidism
#13
Andrew J Lowell, Norah M Bushman, Xing Wang, Yue Ma, Susan C Pitt, Rebecca S Sippel, David F Schneider, Reese W Randle
BACKGROUND: Hypercalcemic crisis (HC) is a potentially life-threatening manifestation of primary hyperparathyroidism (PHPT). This study aimed to identify patients with PHPT at greatest risk for developing HC. METHODS: This retrospective cohort study included patients with a preoperative calcium of at least 12 mg/dL undergoing initial parathyroidectomy for PHPT from 11/2000 to 03/2016. We compared those with HC, defined as needing hospitalization for hypercalcemia, to those without HC...
July 12, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28702887/ambulatory-blood-pressure-monitoring-derived-short-term-blood-pressure-variability-in-primary-hyperparathyroidism
#14
A Concistrè, A Grillo, G La Torre, R Carretta, B Fabris, L Petramala, C Marinelli, A Rebellato, F Fallo, C Letizia
INTRODUCTION: Primary hyperparathyroidism is associated with a cluster of cardiovascular manifestations, including hypertension, leading to increased cardiovascular risk. PURPOSE: The aim of our study was to investigate the ambulatory blood pressure monitoring-derived short-term blood pressure variability in patients with primary hyperparathyroidism, in comparison with patients with essential hypertension and normotensive controls. METHODS: Twenty-five patients with primary hyperparathyroidism (7 normotensive,18 hypertensive) underwent ambulatory blood pressure monitoring at diagnosis, and fifteen out of them were re-evaluated after parathyroidectomy...
July 12, 2017: Endocrine
https://www.readbyqxmd.com/read/28700412/parathyroid-hormone-as-a-marker-for-hypoperfusion-in-trauma-a-prospective-observational-study
#15
Scott C Fligor, Katie M Love, Bryan R Collier, Daniel I Lollar, Mark E Hamill, Andrew D Benson, Eric H Bradburn
BACKGROUND: Hyperparathyroidism is common in critical illness. Intact parathyroid hormone has a half-life of 3 to 5 minutes due to rapid clearance by the liver, kidneys, and bone. In hemorrhagic shock, decreased clearance may occur, thus making parathyroid hormone a potential early marker for hypoperfusion. We hypothesized that early hyperparathyroidism predicts mortality and transfusion in trauma patients. METHODS: A prospective observational study was performed at a Level 1 trauma center in consecutive adult patients receiving the highest level of trauma team activation...
July 12, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28698829/a-brown-tumor-of-tibial-diaphysis-masquerading-as-malignancy
#16
Raju Vaishya, Amit Kumar Agarwal, Vipul Vijay, Abhishek Vaish
A cortical lesion of the tibial diaphysis in a young patient poses a diagnostic challenge to the clinician. Brown tumors, although not very common, may mimic malignancies on radiographs. Brown tumors are destructive lytic lesions of the bone due to increased osteoclastic activity and fibroblastic proliferation in patients with uncontrolled hyperparathyroidism (HPT). They occur after primary or secondary HPT due to renal failure but very rarely due to vitamin D deficiency. We report a rare case of a brown tumor of tibial diaphyses in a young female patient mimicking a locally aggressive tumor with secondary HPT due to a severe vitamin D deficiency...
June 6, 2017: Curēus
https://www.readbyqxmd.com/read/28693130/novel-association-of-men1-gene-mutations-with-parathyroid-carcinoma
#17
Luigia Cinque, Angelo Sparaneo, Filomena Cetani, Michelina Coco, Celeste Clemente, Massimiliano Chetta, Teresa Balsamo, Claudia Battista, Eliana Sanpaolo, Elena Pardi, Leonardo D'Agruma, Claudio Marcocci, Evaristo Maiello, Geoffrey N Hendy, David E C Cole, Alfredo Scillitani, Vito Guarnieri
Inactivating mutations of the multiple endocrine neoplasia 1 (MEN1) gene cause MEN1 syndrome, characterized by primary hyperparathyroidism (pHPT), and parathyroid and gastro-entero-pancreatic pituitary tumors. At present, only 14 cases of malignant parathyroid tumor have been associated with the syndrome, with 6 cases carrying an inactivating mutation of the MEN1 gene. The present study presents the case of a 48-year-old female who presented with multigland pHPT and multiple pancreatic lesions. The patient underwent surgery several times for the excision of parathyroid hyperplasia, carcinoma and adenoma...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28689731/surgical-management-of-primary-hyperparathyroidism-a-single-center-experience
#18
David Kwan-Ru Huang, Fong-Fu Chou, Shun-Yu Chi, Yi-Chia Chan, Shun-Chen Huang
BACKGROUND: Primary hyperparathyroidism (PHPT) can occur at any age. This study aimed to compare the necessity, feasibility, safety, and outcomes of parathyroidectomy in the management of minor-symptomatic or asymptomatic PHPT patients according to age (young vs. old). METHODS: We retrospectively reviewed the medical records of 146 consecutive patients who underwent surgery for PHPT from January 2005 to June 2016 in our institution. The patients ranged in age from 12 to 85 years...
July 7, 2017: Asian Journal of Surgery
https://www.readbyqxmd.com/read/28687737/the-chloride-phosphate-ratio-combined-with-alkaline-phosphatase-as-a-valuable-predictive-marker-for-primary-hyperparathyroidism-in-chinese-individuals
#19
Qianqian Wang, Xu Li, Haibing Chen, Haoyong Yu, Lianxi Li, Jun Yin, Jian Zhou, Ming Li, Qing Li, Junfeng Han, Li Wei, Fang Liu, Yuqian Bao, Weiping Jia
The chloride/phosphate ratio (Cl/PO4) has been suggested to have a role in primary hyperparathyroidism (PHPT), but the associations between Cl/PO4 combined with ALP level and PHPT has not been well-studied. Our aim was to investigate the predictive value of combination Cl/PO4 with ALP for PHPT. A cross-sectional retrospective analysis was conducted to examine 172 patients diagnosed with PHPT categorized into two groups: normocalcaemic primary hyperparathyroidism (NPHPT) group and hypercalcaemia PHPT group. We found that Cl/PO4 levels and ALP levels in the NPHPT and hypercalcaemia PHPT group were both significantly higher than normal controls...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28687633/united-states-and-european-multicenter-prospective-study-for-the-analytical-performance-and-clinical-validation-of-a-novel-sensitive-fully-automated-immunoassay-for-calcitonin
#20
George J Kahaly, Alicia Algeciras-Schimnich, Thomas E Davis, Tanja Diana, Joachim Feldkamp, Stefan Karger, Jochem König, Mark A Lupo, Friedhelm Raue, Matthew D Ringel, Jennifer A Sipos, Juergen Kratzsch
BACKGROUND: The objective of this study is the validation and proof of clinical relevance of a novel electrochemiluminescence immunoassay (ECLIA) for the determination of serum calcitonin (CT) in patients with medullary thyroid carcinoma (MTC) and in different diseases of the thyroid and of calcium homeostasis. METHODS: This was a multicenter prospective study on basal serum CT concentrations performed in 9 US and European referral institutions. In addition, stimulated CT concentrations were measured in 50 healthy volunteers after intravenous calcium administration (2...
July 7, 2017: Clinical Chemistry
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