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Kurtom S, Carty SE. Primary Hyperparathyroidism: Part One: Evaluation. Surg Clin North Am 2024; 104:791-798. [PMID: 38944499 DOI: 10.1016/j.suc.2024.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2024]
Abstract
Primary hyperparathyroidism (PHPT) is a disorder characterized by the autonomous overproduction of parathyroid hormone (PTH) that leads to hypercalcemia, multiple clinical sequelae, and heterogenous presentation. Whether PHPT is caused by a single benign adenoma (85%), multiglandular disease (15%), or parathyroid carcinoma (1%), surgery is the definitive treatment.
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Affiliation(s)
- Saba Kurtom
- Department of Surgical Oncology, University of Pittsburgh, 3471 Fifth Avenue, Kaufmann Suite 101, Pittsburgh, PA 15213, USA
| | - Sally E Carty
- Department of Surgical Oncology, University of Pittsburgh, 3471 Fifth Avenue, Kaufmann Suite 101, Pittsburgh, PA 15213, USA.
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Adarve Castro A, Domínguez Pinos D, Soria Utrilla V, O'Farrell Del Campo JA, Sendra Portero F, Ruiz-Gómez MJ. Update in imaging tests used for the localization of parathyroid pathology. RADIOLOGIA 2024; 66:236-247. [PMID: 38908885 DOI: 10.1016/j.rxeng.2023.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 04/28/2023] [Indexed: 06/24/2024]
Abstract
Preoperative localization of parathyroid pathology, generally a parathyroid adenoma, can be difficult in some cases due to the anatomical variants that these glands present. The objective of this review is to analyse the different imaging techniques used for preoperative localization of parathyroid pathology (scintigraphy, ultrasound, CT, MRI and PET). There is great variability between the different tests for the preoperative localization of parathyroid pathology. The importance of knowing the different diagnostic options lies in the need to choose the most suitable test at each moment and for each patient for an adequate management of primary hyperparathyroidism (PHP) with surgical criteria.
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Affiliation(s)
- A Adarve Castro
- Departamento de Radiología y Medicina Física, Facultad de Medicina, Universidad de Málaga, Málaga, Spain; Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - D Domínguez Pinos
- Departamento de Radiología y Medicina Física, Facultad de Medicina, Universidad de Málaga, Málaga, Spain; Hospital Universitario Virgen de la Victoria, Málaga, Spain.
| | | | | | - F Sendra Portero
- Departamento de Radiología y Medicina Física, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
| | - M J Ruiz-Gómez
- Departamento de Radiología y Medicina Física, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
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Alessa M, Algouhi A, Alsowailmi G, Arafat A. Preoperative Localization for Primary Hyperparathyroidism Surgery: Comparison of Imaging Techniques at a Tertiary Center. Indian J Surg 2022. [DOI: 10.1007/s12262-022-03561-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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Özçevik H, Öner Tamam M, Tatoğlu MT, Mülazımoğlu M. Comparison of Planar Imaging Using Dual-phase Tc-99m-sestamibi Scintigraphy and Single Photon Emission Computed Tomography/Computed Tomography in Hyperparathyroidism. Mol Imaging Radionucl Ther 2022; 31:191-199. [PMID: 36268870 PMCID: PMC9585997 DOI: 10.4274/mirt.galenos.2022.60565] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Objectives: The aim of this study was to compare Technetium-99m (Tc-99m)-sestamibi dual-phase planar imaging method and delayed phase single photon emission computed tomography/computed tomography (SPECT/CT) imaging in patients with primary hyperparathyroidism and to evaluate the accuracy of scintigraphy with histopathological results. Methods: Thirty-six patients with a prediagnosis of hyperparathyroidism, who had not been operated on the neck region before, and were not followed up for any other malignancy, and has confirmed histopathologic and biochemical diagnosis after parathyroidectomy, were retrospectively scanned and included in the study. The images of 36 patients who underwent dual-phase Tc-99m-sestamibi planar scintigraphy at the 20th and 120th minutes in the nuclear medicine clinic and delayed phase SPECT/CT imaging immediately after the 120th minute planar imaging were evaluated visually by two nuclear medicine specialists as positive or negative lesion. Dual-phase planar and SPECT/CT images were statistically compared in terms of sensitivity, specificity, positive predictive value, negative predictive value, and accuracy. Results: Thirty-six patients with 41 lesions were evaluated. Comparing dual-phase planar imaging and delayed phase SPECT/CT revealed, sensitivity 84.21%-94.74%, specificity 66.67%-66.67%. Positive predictive value 96.97%-97.30%, negative predictive value 25%-50.0%, accuracy 82.93%-92.68% respectively. There was a statistically significant difference between planar imaging and SPECT/CT; SPECT/CT localized the lesion more accurately (p<0.05). Conclusion: SPECT/CT is superior to planar imaging in determining the anatomical details and localization of the lesion, especially in determining the depth of the lesions in the neck and whether it is ectopic. In patients with hyperparathyroidism, SPECT/CT should be used routinely to detect parathyroid pathologies because it has a lower rate of error and higher accuracy rate.
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Affiliation(s)
- Halim Özçevik
- University of Health Sciences Turkey, Hamidiye Faculty of Medicine, Department of Nuclear Medicine, İstanbul, Turkey
| | - Müge Öner Tamam
- University of Health Sciences Turkey, Prof. Dr. Cemil Taşcıoğlu City Hospital, Clinic of Nuclear Medicine, İstanbul, Turkey
| | - Mehmet Tarık Tatoğlu
- Göztepe Prof. Dr. Süleyman Yalçın City Hospital, Clinic of Nuclear Medicine, İstanbul, Turkey
| | - Mehmet Mülazımoğlu
- University of Health Sciences Turkey, Prof. Dr. Cemil Taşcıoğlu City Hospital, Clinic of Nuclear Medicine, İstanbul, Turkey
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Shah US, McCoy KL, Kelley ML, Carty SE, Yip L. How and when is multiglandular disease diagnosed in sporadic primary hyperparathyroidism? Surgery 2021; 171:35-39. [PMID: 34924180 DOI: 10.1016/j.surg.2021.09.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/31/2021] [Accepted: 09/16/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND In total, ∼15% of patients with sporadic primary hyperparathyroidism have multiglandular disease, which may be suspected preoperatively but can only be confirmed intra or postoperatively. The study aim is to determine how and when patients are diagnosed with multiglandular disease and to what extent different modalities contribute. METHODS Consecutive cases of sporadic primary hyperparathyroidism (2013-2019) undergoing initial exploration were reviewed from a single-institution prospective database. Preoperative single-photon emission tomography/computed tomography and neck ultrasound were routinely performed to help direct either bilateral or unilateral exploration guided by intraoperative parathyroid hormone monitoring using the dual criteria. Multiglandular disease was defined as either resection of >1 enlarged parathyroid or hypercalcemia at ≥6 months after single gland resection. RESULTS Of 1,890 patients with sporadic primary hyperparathyroidism, multiglandular disease was identified in 254 (13.4%); 244 (96.1%) were diagnosed intraoperatively and 10 (3.9%) postoperatively. In these multiglandular disease patients, single gland disease was suggested on single-photon emission tomography/computed tomography in 54.0%, ultrasound in 49.2%, and both were concordant for single gland disease in 29.4%. Intraoperative multiglandular disease diagnosis was prompted by an inadequate intraoperative parathyroid hormone monitoring drop in 38.5%, by surgeon interpretation of imaging in 38.1%, by observing ipsilateral gland enlargement in 11.0%, by finding an initial gland <200 mg in 10.3%, and 2.0% had unexpected multiglandular disease during thyroidectomy. Multiglandular disease was diagnosed by postoperative hypercalcemia in 10 of 254 patients (4.9%). CONCLUSION To avoid failure at parathyroidectomy for primary hyperparathyroidism, expert surgeons use multiple approaches to diagnose and manage multiglandular disease. Preoperative localization studies alone are insufficient, missing multiglandular disease in at least 30% of cases. All examined adjuncts are informative, including intraoperative parathyroid hormone monitoring, imaging, and intraoperative visual cues.
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Affiliation(s)
- Ujas S Shah
- Division of Endocrine Surgery, University of Pittsburgh, PA
| | - Kelly L McCoy
- Division of Endocrine Surgery, University of Pittsburgh, PA
| | | | - Sally E Carty
- Division of Endocrine Surgery, University of Pittsburgh, PA
| | - Linwah Yip
- Division of Endocrine Surgery, University of Pittsburgh, PA.
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Yang J, Wang H, Zhang J, Xu W, Weng W, Lv S, Dong M. Sestamibi Single-Positron Emission Computed Tomography/Diagnostic-quality Computed Tomography for the localization of abnormal parathyroid glands in patients with primary hyperparathyroidism: What clinicopathologic factors affect its accuracy? J Endocrinol Invest 2021; 44:1649-1658. [PMID: 33393058 DOI: 10.1007/s40618-020-01471-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 11/18/2020] [Indexed: 02/07/2023]
Abstract
PURPOSE Sestamibi Single-Positron Emission Computed Tomography/Diagnostic-quality Computed Tomography (MIBI-SPECT/CT) is a common technology used for primary hyperparathyroidism (PHPT) localization in clinical practice. However, the clinicopathologic factors affecting the accuracy of MIBI-SPECT/CT and the potential limitations remain unclear. METHODS Retrospectively enrolled PHPT patients (n = 280) were analyzed from August 2017 to December 2019. RESULTS Of 96 patients with PHPT (mean age, 54 years; 63 females), 17 had discordance between MIBI-SPECT/CT and intraoperative findings. Among the 17 patients with discordance, 58.8% had major discordance, which occurred in most patients with multigland disease (MGD). Compared with concordant patients, discordant patients exhibited increased frequencies of autoimmune thyroid disease (29.4% vs 10.1%, p = 0.035), MDG (41.2% vs 3.8%, p = 0.035), higher PTH (296 pg/mL vs 146 pg/mL; p = 0.012),and lower phosphorus levels (0.77 mmol/L vs 0.90 mmol/L; p = 0.024). MDG (odds ratio [OR], 16.95; 95% CI 2.10-142.86), parathyroid lesion size of 12 mm or less (OR, 6.93; 95% CI 1.41-34.10), and a PTH level higher than 192.5 pg/mL (OR, 12.66; 95% CI 2.17-71.43) were independently associated with discordant MIBI-SPECT/CT results. CONCLUSION MGD was most strongly associated with discordance between MIBI-SPECT/CT and intraoperative findings followed by a PTH level higher than 192.5 pg/mL and parathyroid lesion size of 12 mm or less. Surgeons should recognize these potential limitations, which may improve the preoperative procedure by encouraging further localization imaging and promptly facilitate intraoperative troubleshooting.
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Affiliation(s)
- J Yang
- Department of Nuclear Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, Hangzhou, 310003, Zhejiang Province, People's Republic of China
| | - H Wang
- Department of Surgical Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, 310003, Hangzhou, People's Republic of China
| | - J Zhang
- Department of Nuclear Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, Hangzhou, 310003, Zhejiang Province, People's Republic of China
| | - W Xu
- Department of Endocrinology, The First Affiliated Hospital, Zhejiang University School of Medicine, 310003, Hangzhou, People's Republic of China
| | - W Weng
- Department of Nuclear Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, Hangzhou, 310003, Zhejiang Province, People's Republic of China
| | - S Lv
- Department of Radiology, The First Affiliated Hospital, Zhejiang University School of Medicine, 310003, Hangzhou, People's Republic of China
| | - M Dong
- Department of Nuclear Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, Hangzhou, 310003, Zhejiang Province, People's Republic of China.
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Yap A, Hope TA, Graves CE, Kluijfhout W, Shen WT, Gosnell JE, Sosa JA, Roman SA, Duh QY, Suh I. A cost-utility analysis of 18F-fluorocholine-positron emission tomography imaging for localizing primary hyperparathyroidism in the United States. Surgery 2021; 171:55-62. [PMID: 34340823 DOI: 10.1016/j.surg.2021.03.075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/16/2021] [Accepted: 03/25/2021] [Indexed: 12/28/2022]
Abstract
BACKGROUND Primary hyperparathyroidism historically necessitated bilateral neck exploration to remove abnormal parathyroid tissue. Improved localization allows for focused parathyroidectomy with lower complication risks. Recently, positron emission tomography using radiolabeled 18F-fluorocholine demonstrated high accuracy in detecting these lesions, but its cost-effectiveness has not been studied in the United States. METHODS A decision tree modeled patients who underwent parathyroidectomy for primary hyperparathyroidism using single preoperative localization modalities: (1) positron emission tomography using radiolabeled 18F-fluorocholine, (2) 4-dimensional computed tomography, (3) ultrasound, and (4) sestamibi single photon emission computed tomography (SPECT). All patients underwent either focused parathyroidectomy versus bilateral neck exploration, with associated cost ($) and clinical outcomes measured in quality-adjusted life-years gained. Model parameters were informed by literature review and Medicare costs. Incremental cost-utility ratios were calculated in US dollars/quality-adjusted life-years gained, with a willingness-to-pay threshold set at $100,000/quality-adjusted life-year. One-way, 2-way, and threshold sensitivity analyses were performed. RESULTS Positron emission tomography using radiolabeled 18F-fluorocholine gained the most quality-adjusted life-years (23.9) and was the costliest ($2,096), with a total treatment cost of $11,245 or $470/quality-adjusted life-year gained. Sestamibi single photon emission computed tomography and ultrasound were dominated strategies. Compared with 4-dimentional computed tomography, the incremental cost-utility ratio for positron emission tomography using radiolabeled 18F-fluorocholine was $91,066/quality-adjusted life-year gained in our base case analysis, which was below the willingness-to-pay threshold. In 1-way sensitivity analysis, the incremental cost-utility ratio was sensitive to test accuracy, positron emission tomography using radiolabeled 18F-fluorocholine price, postoperative complication probabilities, proportion of bilateral neck exploration patients needing overnight hospitalization, and life expectancy. CONCLUSION Our model elucidates scenarios in which positron emission tomography using radiolabeled 18F-fluorocholine can potentially be a cost-effective imaging option for primary hyperparathyroidism in the United States. Further investigation is needed to determine the maximal cost-effectiveness for positron emission tomography using radiolabeled 18F-fluorocholine in selected populations.
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Affiliation(s)
- Ava Yap
- Department of Surgery, University of California San Francisco, CA.
| | - Thomas A Hope
- Department of Radiology and Biomedical Imaging, University of California San Francisco, CA
| | | | | | - Wen T Shen
- Department of Surgery, University of California San Francisco, CA
| | | | - Julie A Sosa
- Department of Surgery, University of California San Francisco, CA
| | - Sanziana A Roman
- Department of Surgery, University of California San Francisco, CA
| | - Quan-Yang Duh
- Department of Surgery, University of California San Francisco, CA
| | - Insoo Suh
- Department of Surgery, New York University Langone Health, NY
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Histologic hypercellularity in a biopsied normal parathyroid gland does not correlate with hyperfunction in primary hyperparathyroidism. Surgery 2020; 169:524-527. [PMID: 32807505 DOI: 10.1016/j.surg.2020.06.039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/01/2020] [Accepted: 06/26/2020] [Indexed: 11/23/2022]
Abstract
BACKGROUND About 15% of patients with primary hyperparathyroidism have multiglandular disease, thus during resection of an apparent single adenoma, a visibly normal parathyroid may be identified and biopsied. Using long-term biochemical follow-up, we examined whether normal parathyroid hypercellularity correlates with multiglandular disease or primary hyperparathyroidism recurrence. METHODS We reviewed all patients who from 2001 to 2015 had an initial operation for sporadic primary hyperparathyroidism with removal of 1 gland, routine normal parathyroid biopsy, intraoperative parathyroid hormone monitoring, and follow-up of ≥3 years. Recurrence was defined by hypercalcemia after documented cure at 6 months, and hypercellularity by standard histologic criteria. RESULTS Of 134 patients with mean follow-up of 9.4 years (range, 3.1-15.9), 132 (98.5%) exhibited cure at 6 months. Two had initial failure, and 8 of 132 (6.1%) developed recurrent hyperparathyroidism (mean 5.8 y, range 4-10.6). The normal parathyroid was hypercellular in 14 of 132 (10.6%) of the cured patients, and this rate did not differ for those with long-term cure (12/124, 9.7%) versus recurrence (2/8, 25%, P = .2). The positive predictive value of normal parathyroid hypercellularity for recurrence was low (14.3%), and the negative predictive value of normal parathyroid normocellularity was high (94.9%). CONCLUSION During the initial operation for primary hyperparathyroidism, 10% of normal parathyroids are hypercellular, but this does not signify missed multiglandular disease. In contrast, normal parathyroid normocellularity has high predictive value for durable cure (95%), slightly better than visual identification of a second normal parathyroid (94%).
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Novel Findings on SPECT-CT Tc-99 Sestamibi Imaging for Primary Hyperparathyroidism. J Surg Res 2020; 252:216-221. [DOI: 10.1016/j.jss.2020.03.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/14/2020] [Accepted: 03/08/2020] [Indexed: 01/12/2023]
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[Intraoperative fluorescence angiography in primary hyperparathyroidism]. Chirurg 2019; 90:97. [PMID: 30758626 DOI: 10.1007/s00104-019-0907-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Stanciu M, Boicean LC, Popa FL. The role of combined techniques of scintigraphy and SPECT/CT in the diagnosis of primary hyperparathyroidism: A case report. Medicine (Baltimore) 2019; 98:e14154. [PMID: 30681579 PMCID: PMC6358356 DOI: 10.1097/md.0000000000014154] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
RATIONALE Primary hyperparathyroidism, usually as a result of a hyperfunctioning parathyroid gland, represents more than 90% cases of patients evaluated for hypercalcemia. Combined techniques of preoperative scintigraphy and SPECT/CT serve as a successful minimally-invasive parathyroidectomy. This recent imaging method provides four-dimensional functional images with advanced contrast resolution which greatly facilitates preoperative localization of parathyroid adenomas. PATIENT CONCERNS We presented the case of a male Caucasian patient, aged 67 years, who was investigated for hypercalcemia. Increased levels of parathormone, cervical ultrasonography without pathological changes, and negative planar parathyroid scintigraphy have led to the performance of a parathyroid scintigraphy combined with SPECT/CT. DIAGNOSES The diagnosis of right inferior parathyroid adenoma was confirmed by the 99mTc-MIBI-SPECT/CT that revealed on early phase increased radiotracer uptake in the area of projection of the lower third of the right thyroid lobe. The SPECT/CT scan localized this area behind the lower pole of the right thyroid lobe, in the right side of the trachea, with CT correspondent of hypodense lesion, with a maximum diameter of 20 mm. INTERVENTIONS During hospitalization, the decision to undergo surgical intervention was taken. The patient underwent surgical intervention, and minimally-invasive right inferior parathyroidectomy was performed. OUTCOMES The histopathological examination confirmed the diagnosis and the patient's recovery was complete, with the normalization of parathormone, calcium levels, and metabolic parameters. LESSONS Modern combined techniques of scintigraphy and SPECT/CT proved to be of excellent clinical utility in the preoperative diagnosis of primary hyperparathyroidism, localizing a parathyroid tumor undetected by planar scintigraphy alone.
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Affiliation(s)
- Mihaela Stanciu
- “Lucian Blaga” University of Sibiu, Romania
- Academic Emergency Hospital Sibiu, Romania
| | | | - Florina Ligia Popa
- “Lucian Blaga” University of Sibiu, Romania
- Academic Emergency Hospital Sibiu, Romania
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The efficacy of fluorine-18-choline PET/CT in comparison with 99mTc-MIBI SPECT/CT in the localization of a hyperfunctioning parathyroid gland in primary hyperparathyroidism. Nucl Med Commun 2018; 39:989-994. [DOI: 10.1097/mnm.0000000000000899] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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13
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Dralle H. [Intraoperative fluorescence angiography in primary hyperparathyroidism]. Chirurg 2018; 89:927. [PMID: 30155656 DOI: 10.1007/s00104-018-0717-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- H Dralle
- Sektion Endokrine Chirurgie, Klinik für Allgemein‑, Viszeral- und Transplantationschirurgie, Universitätsklinikum Essen, Hufelandstr. 55, 45147, Essen, Deutschland.
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Uludag M. Preoperative Localization Studies in Primary Hyperparathyroidism. SISLI ETFAL HASTANESI TIP BULTENI 2017; 53:7-15. [PMID: 33536819 PMCID: PMC7847726 DOI: 10.14744/semb.2019.78476] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 02/27/2019] [Indexed: 12/27/2022]
Abstract
Primary hyperparathyroidism (pHPT) is the third most frequently seen endocrine disease and it is the most common cause of hypercalcemia seen in ambulatory patients. PHPT is most often (80%-85%) caused by a single parathyroid adenoma, followed by double adenoma (4%-5%), multiple gland hyperplasia (10%-15%), and parathyroid carcinoma (<1%). The diagnosis of pHPT is biochemically established and the only curative treatment is surgery. Since the cause of pHPT is typically single-gland disease, it is possible to determine the majority of pathological glands with preoperative localization methods and use the minimally invasive parathyroidectomy (MIP) approach. MIP has become the standard treatment for pHPT in selected patients. There are both noninvasive and invasive preoperative localization methods. Noninvasive methods currently used include ultrasonography (US), parathyroid scintigraphy, 4-dimensional computed tomography (CT), magnetic resonance imaging, and positron emission tomography-CT with 18F-fluoroquinolone and 11C-methionine. Preoperative invasive localization methods include parathyroid hormone (PTH) measurement with fine-needle aspiration biopsy, lateralization with PTH measurement via bilateral jugular vein sampling, selective venous sampling, and parathyroid arteriography. The aim of this study was to evaluate preoperative localization studies used in cases of pHPT.
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Affiliation(s)
- Mehmet Uludag
- Department of General Surgery, Health Sciences University, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey
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