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Parathyroid carcinoma

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https://www.readbyqxmd.com/read/28902384/-multiple-endocrine-neoplasia
#1
Ludwig Schaaf, Friedhelm Raue
Multiple endocrine neoplasia type 1 and 2 are hereditary cancer syndromes. They are characterized by the occurrence of many benign and malignant tumor types, in MEN1 parathyroid tumors, pituitary tumors, and pancreas tumors, in MEN2 medullary thyroid carcinoma, pheochromocytoma, and parathyroid tumors. The autosomal dominant inherited tumor syndromes are caused by mutations in the MEN1 gene, a tumor suppressor gene, and mutations in the RET gene, an activated oncogene, in MEN2. The clinical expression of the different tumors can vary within and between families, with a good genotype-phenotype correlation in MEN2...
September 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28900835/osteitis-fibrosa-cystica-a-forgotten-radiological-feature-of-primary-hyperparathyroidism
#2
Waldemar Misiorowski, Izabela Czajka-Oraniec, Magdalena Kochman, Wojciech Zgliczyński, John P Bilezikian
Although bone disease and stone disease are the universally accepted classical manifestations of primary hyperparathyroidism, clinical parathyroid bone disease is rarely seen today in the United States (<5% of patients) and Western Europe. Nevertheless, in a given patient, classical skeletal involvement can be the first sign of primary hyperparathyroidism, but not recognized because it is not usually included, anymore, in the differential diagnosis of this manifestation of skeletal disease. We describe four cases of primary hyperparathyroidism in which the first clinical manifestation of the disease was a pathological fracture that masqueraded as a malignancy...
September 12, 2017: Endocrine
https://www.readbyqxmd.com/read/28882960/parathyroid-carcinoma-in-patients-that-have-undergone-surgery-for-primary-hyperparathyroidism
#3
Petr Libánský, Svatopluk Adámek, Petr Broulík, Martina Fialová, Josef Kubinyi, Robert Lischke, Ondřej Naňka, Pavel Pafko, Jiří Šedý, Vladimír Bobek
BACKGROUND/AIM: Parathyroid carcinoma is a rare clinical entity, which represents one of the main reasons, why surgery should be performed in specialized centres. Preoperatively, it is very difficult to distinguish between benign and malignant hyperparathyroidism. PATIENTS AND METHODS: During the years 1996-2016, we performed 2,220 operations in 2,075 patients with a diagnosis of primary hyperparathyroidism. RESULTS: Among these 2,220 operations, there were 16 operations for parathyroid carcinoma...
September 2017: In Vivo
https://www.readbyqxmd.com/read/28881068/molecular-genetics-of-syndromic-and-non-syndromic-forms-of-parathyroid-carcinoma
#4
REVIEW
Luís Cardoso, Mark Stevenson, Rajesh V Thakker
Parathyroid carcinoma (PC) may occur as part of a complex hereditary syndrome or an isolated (i.e. non-syndromic) non-hereditary (i.e. sporadic) endocrinopathy. Studies of hereditary, and syndromic forms of PC, which include the hyperparathyroidism-jaw tumour syndrome (HPT-JT), multiple endocrine neoplasia types 1 and 2 (MEN1 and MEN2), and familial isolated primary hyperparathyroidism (FIHP), have revealed some genetic mechanisms underlying PC. Thus, cell division cycle 73 (CDC73) germline mutations cause HPT-JT, and CDC73 mutations occur in 70% of sporadic PC, but in only ∼2% of parathyroid adenomas...
September 7, 2017: Human Mutation
https://www.readbyqxmd.com/read/28879586/multiple-myeloma-presenting-as-massive-amyloid-deposition-in-a-parathyroid-gland-associated-with-amyloid-goiter-a-medullary-thyroid-carcinoma-mimic-on-intra-operative-frozen-section
#5
Kirk Hill, Jason Diaz, Ian S Hagemann, Rebecca D Chernock
Clinical examples of amyloid deposition in parathyroid glands are exceedingly rare and usually present as an incidental finding in a patient with amyloid goiter. Here, we present the first histologically documented case of parathyroid amyloid deposition that presented as a mass. The patient did not have hyperparathyroidism. The parathyroid gland was submitted for intra-operative frozen section and concern for medullary thyroid carcinoma was raised. An important histologic clue arguing against medullary thyroid carcinoma was the evenly dispersed nature of the amyloid...
September 6, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28876588/postoperative-transient-hypoparathyroidism-incidence-and-risk-factors-a-south-african-perspective
#6
J Downs, K Wilson, F Made, F Malherbe, E Panieri, L Cairncross
BACKGROUND: There is limited published data on the incidence and risk factors for developing postoperative hypoparathyroidism (POHP) in the South African setting. METHOD: All patients who underwent a total thyroidectomy or completion thyroid lobectomy at an academic referral centre from January 2010 to December 2015 were included in this study. Data reviewed included post-operative parathyroid hormone (iPTH) level within 24 hours of surgery, age, gender, type of operation and lymphadenectomy if performed, size and weight of thyroid glands resected, final histological diagnosis, presence of extracapsular extension of carcinomas, number of lymph nodes resected, and the number of parathyroids present in the histology specimen...
September 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28875280/metastases-to-the-parathyroid-glands-a-comprehensive-literature-review-of-127-reported-cases
#7
REVIEW
Justin L Bauer, Sherwin Toluie, Lester D R Thompson
Metastases to the head and neck organs are uncommon, potentially representing the initial presentation of an occult malignancy. Single case reports and small series report metastases to the parathyroid gland, but there is no large review of the literature on secondary tumors involving the parathyroid glands. A review of the English literature between 1950 and 2017 was performed of all metastases or secondary involvement of the parathyroid glands. One hundred and twenty-seven cases of metastatic tumors were reported, although potentially significantly unrepresented in autopsy series (parathyroid glands are not routinely examined) and due to reporting bias...
September 5, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28870973/primary-hyperparathyroidism-in-young-patients-in-russia-high-frequency-of-hyperparathyroidism-jaw-tumour-syndrome
#8
Elizaveta Mamedova, Natalya Mokrysheva, Evgeny V Vasilyev, Vasiliy Petrov, Ekaterina Pigarova, Sergey Kuznetsov, Nikolay Kuznetsov, Liudmila Rozhinskaya, Galina A Melnichenko, Ivan Dedov, Anatoly Tiulpakov
BACKGROUND: Primary hyperparathyroidism (PHPT) is a relatively rare disorder among children, adolescents and young adults. Its development at an early age is suspicious for hereditary causes, though the need for routine genetic testing remains controversial. OBJECTIVE: To identify and describe hereditary forms of PHPT in patients with manifestation of the disease under 40 years of age. DESIGN: We enrolled 65 patients with PHPT diagnosed before 40 years of age...
September 4, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28819506/-parathyroid-carcinoma-about-a-case-and-review-of-the-literature
#9
REVIEW
Naourez Kolsi, Sondos Jellali, Jamel Koubaa
Parathyroid carcinoma is a very rare malignant tumor of the parathyroid gland. Clinically, this cancer is characterized by the presence of severe primary hyperparathyroidism. Diagnosis is based on histological examination but is not always easy. Surgery is the treatment of choice. We report the case of a 59-year old woman with a personal history of arterial hypertension and of recurrent renal lithiasis, presenting with diffuse bone pain associated with asthenia. Neck examination showed hard basi-cervical swelling with nonpalpable lower edge...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28782797/in-situ-preservation-of-the-inferior-parathyroid-gland-during-central-neck-dissection-for-papillary-thyroid-carcinoma
#10
J B Wang, K Wu, L H Shi, Y Y Sun, F B Li, L Xie
BACKGROUND: Postoperative hypocalcaemia due to dysfunction of the parathyroid glands is the most common complication after total thyroidectomy plus central neck dissection (CND). There is a lack of surgical techniques described to help preserve the inferior parathyroid gland in situ during CND. The objective of this study was to introduce the 'TBP layer' (layer of thymus-blood vessel-inferior parathyroid gland) concept for preserving the inferior parathyroid gland in situ during CND, and to evaluate its effectiveness...
August 7, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28774260/large-intragenic-deletion-of-cdc73-exons-4-10-in-a-three-generation-hyperparathyroidism-jaw-tumor-hpt-jt-syndrome-family
#11
Vito Guarnieri, Raewyn M Seaberg, Catherine Kelly, M Jean Davidson, Simon Raphael, Andrew Y Shuen, Filomena Baorda, Orazio Palumbo, Alfredo Scillitani, Geoffrey N Hendy, David E C Cole
BACKGROUND: Inactivating mutations of CDC73 cause Hyperparathyroidism-Jaw Tumour syndrome (HPT-JT), Familial Isolated Hyperparathyroidism (FIHP) and sporadic parathyroid carcinoma. We conducted CDC73 mutation analysis in an HPT-JT family and confirm carrier status of the proband's daughter. METHODS: The proband had primary hyperparathyroidism (parathyroid carcinoma) and uterine leiomyomata. Her father and daughter had hyperparathyroidism (parathyroid adenoma) but no other manifestations of HPT-JT...
August 3, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28760150/bilateral-pheochromocytoma-with-ganglioneuroma-component-associated-with-multiple-neuroendocrine-neoplasia-type-2a-a-case-report
#12
Boubacar Efared, Gabrielle Atsame-Ebang, Soufiane Tahirou, Khalid Mazaz, Nawal Hammas, Hinde El Fatemi, Laila Chbani
BACKGROUND: Composite pheochromocytoma/paragangliomas are very rare tumors composed of ordinary pheochromocytoma paragangliomas associated with neurogenic tumors. Several hereditary susceptibility disorders are known to be associated with pheochromocytoma/paragangliomas such as multiple endocrine neoplasia type 2 (2A or B). To the best of our knowledge, only four cases of composite pheochromocytoma/paragangliomas associated with multiple endocrine neoplasia type 2 have been reported. CASE PRESENTATION: A 40-year-old Arabic woman presented with headache, palpitations, paroxysmal hypertension, and weight loss, which she had had for the last 3 years...
August 1, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28751227/postoperative-local-regional-radiation-therapy-in-the-treatment-of-parathyroid-carcinoma-the-md-anderson-experience-of-35-years
#13
Ioannis Christakis, Angelica M Silva, Michelle D Williams, Adam Garden, Elizabeth G Grubbs, Naifa L Busaidy, Jeffrey E Lee, Nancy D Perrier, Mark Zafereo
PURPOSE: We aimed to investigate outcomes of locoregional radiation therapy (XRT) in parathyroid carcinoma (PC) patients at a single institution over 35 years. METHODS AND MATERIALS: Retrospective review of PC patients who received postoperative locoregional XRT (1980-2015). Patients were grouped according to XRT after PC initial operation or after salvage surgery. All patients with a histopathological diagnosis of PC who had postoperative locoregional XRT at our institution were included...
July 21, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28748250/-disseminated-osteolytic-lesions-in-a-28-year-old-refugee
#14
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/28732535/case-report-rare-skeletal-manifestations-in-a-child-with-primary-hyperparathyroidism
#15
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/28726134/non-functioning-parathyroid-carcinoma-a-case-report
#16
Nobuyasu Suganuma, Hiroyuki Iwasaki, Satoru Shimizu, Tatsuya Yoshida, Takashi Yamanaka, Izumi Kojima, Haruhiko Yamazaki, Soji Toda, Hirotaka Nakayama, Katsuhiko Masudo, Yasushi Rino, Kae Kawachi, Yohei Miyagi, Akio Miyake, Kenichi Ohashi, Munetaka Masuda
BACKGROUND: Non-functioning parathyroid carcinoma is a rare disease that is difficult to distinguish from other diseases based on the lack of hyperparathyroidism. This is a report of non-functioning parathyroid carcinoma diagnosed by reverse transcription polymerase chain reaction (RT-PCR) targeting parathyroid hormone (PTH) messenger RNA. CASE PRESENTATION: The patient is a 67-year-old male who visited our hospital for the chief complaint of hoarseness. A 5-cm mass was observed in the right lobe of the thyroid gland, and poorly differentiated thyroid carcinoma was suspected according to the fine-needle biopsy results...
December 2017: Surgical Case Reports
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/28690726/-giant-parathyroid-carcinoma-diagnostic-difficulties-and-therapeutic-strategies
#18
Ilias Benchafai, Leila Afani, Noureddine Errami, Bouchaib Hemmaoui, Hassan Errihani, Fouad Benariba
Parathyroid carcinoma is a very rare malignancy responsible for 0.4 to 5.2% of hyperparathyroidism. Clinical diagnosis is difficult and treatment should be codified. Surgery is the only curative treatment. We report the case of a female patient treated for malignancy-associated hypercalcemia revealing parathyroid carcinoma. The patient underwent surgery; after three months she developed lymphatic recurrence. Given the absence of other secondary involvement, bilateral lymph node dissection followed by chemotherapy was performed...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28688695/transoral-thyroidectomy-and-parathyroidectomy-a-north-american-series-of-robotic-and-endoscopic-transoral-approaches-to-the-central-neck
#19
Jonathon O Russell, James Clark, Salem I Noureldine, Angkoon Anuwong, Mai G Al Khadem, Hoon Yub Kim, Vaninder K Dhillon, Gianlorenzo Dionigi, Ralph P Tufano, Jeremy D Richmon
OBJECTIVE: Most thyroid surgery in North America is completed via a cervical incision, which leaves a permanent scar. Approaches without cutaneous incisions offer aesthetic advantages. This series represents the largest series of transoral vestibular approaches to the central neck in North America, and the first published reports of robotic transoral vestibular thyroidectomy for thyroid carcinoma. MATERIALS AND METHODS: Data was prospectively collected for patients that underwent transoral vestibular approach thyroidectomy and/or parathyroidectomy between April 2016 and February 2017...
August 2017: Oral Oncology
https://www.readbyqxmd.com/read/28680641/concurrent-intrathyroidal-thymus-and-parathyroid-in-a-patient-with-papillary-thyroid-carcinoma-a-challenging-diagnosis
#20
Georgios Velimezis, Argyrios Ioannidis, Sotirios Apostolakis, Maria Chorti, Charalampos Avramidis, Evripidis Papachristou
During embryogenesis, the thymus and inferior parathyroid glands develop from the third pharyngeal pouch and migrate to their definite position. During this process, several anatomic variations may arise, with the thyroid being one of the most common sites of ectopic implantation for both organs. Here, we report the case of a young female patient, who underwent total thyroidectomy for papillary carcinoma of the thyroid. The patient's history was remarkable for disorders of the genitourinary system. Histologic examination revealed the presence of well-differentiated intrathyroidal thymic tissue, containing an inferior parathyroid gland...
2017: Endocrinology, Diabetes & Metabolism Case Reports
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