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Charoenngam N, Rittiphairoj T, Wannaphut C, Pangkanon W, Saowapa S. Risk of Malignant Neoplasm in Patients with Primary Hyperparathyroidism: A Systematic Review and Meta-analysis. Calcif Tissue Int 2024; 115:1-13. [PMID: 38772934 PMCID: PMC11153283 DOI: 10.1007/s00223-024-01219-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Accepted: 04/12/2024] [Indexed: 05/23/2024]
Abstract
This study aimed to evaluate the prevalence and risk of malignant neoplasm in primary hyperparathyroidism (PHPT) patients. Potentially eligible studies were retrieved from PubMed and Embase databases from inception to November 2023 using search strategy consisting of terms for "Primary hyperparathyroidism" and "Malignant neoplasm". Eligible study must report prevalence of malignant neoplasm among patients with PHPT or compare the risk of malignant neoplasm between patients with PHPT and comparators. Point estimates with standard errors were extracted from each study and combined using the generic inverse variance method.A total of 11,926 articles were identified. After two rounds of systematic review, 50 studies were included. The meta-analysis revealed that pooled prevalence rates of overall cancer was 0.19 (95%CI: 0.13-0.25; I2 94%). The two most prevalent types of malignancy among patients with PHPT ware papillary thyroid cancer (pooled prevalence: 0.07; 95%CI: 0.06-0.08; I2 85%) and breast cancer (pooled prevalence: 0.05; 95%CI: 0.03-0.07; I2 87%). Subgroup analysis of studies focusing on patients undergoing parathyroidectomy reported a fourfold higher prevalence of papillary thyroid cancer than the remaining studies (0.08 versus 0.02). The meta-analysis of cohort studies found a significant association between PHPT and overall cancer with the pooled risk ratio of 1.28 (95%CI: 1.23-1.33; I2 66.9%).We found that the pooled prevalence of malignant neoplasm in PHPT was 19%, with papillary thyroid cancer and breast cancer being the most prevalent types. The meta-analysis of cohort studies showed that patient with PHPT carried an approximately 28% increased risk of malignancy.
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Affiliation(s)
- Nipith Charoenngam
- Department of Medicine, Harvard Medical School, Mount Auburn Hospital, 330 Mt Auburn St, Cambridge, MA, 02138, USA.
- Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
| | - Thanitsara Rittiphairoj
- Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
- Division of Health Systems Management, Department of Community Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Chalothorn Wannaphut
- Department of Medicine, John A. Burns School of Medicine, University of Hawai'i, Honolulu, HI, USA
| | - Watsachon Pangkanon
- Department of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Sakditat Saowapa
- Department of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
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Milat F, Ramchand SK, Herath M, Gundara J, Harper S, Farrell S, Girgis CM, Clifton-Bligh R, Schneider HG, De Sousa SMC, Gill AJ, Serpell J, Taubman K, Christie J, Carroll RW, Miller JA, Grossmann M. Primary hyperparathyroidism in adults-(Part I) assessment and medical management: Position statement of the endocrine society of Australia, the Australian & New Zealand endocrine surgeons, and the Australian & New Zealand bone and mineral society. Clin Endocrinol (Oxf) 2024; 100:3-18. [PMID: 34931708 DOI: 10.1111/cen.14659] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/30/2021] [Accepted: 12/09/2021] [Indexed: 12/12/2022]
Abstract
OBJECTIVE To formulate clinical consensus recommendations on the presentation, assessment, and management of primary hyperparathyroidism (PHPT) in adults. METHODS Representatives from relevant Australian and New Zealand Societies used a systematic approach for adaptation of guidelines (ADAPTE) to derive an evidence-informed position statement addressing nine key questions. RESULTS PHPT is a biochemical diagnosis. Serum calcium should be measured in patients with suggestive symptoms, reduced bone mineral density or minimal trauma fractures, and in those with renal stones. Other indications are detailed in the manuscript. In patients with hypercalcaemia, intact parathyroid hormone, 25-hydroxy vitamin D, phosphate, and renal function should be measured. In established PHPT, assessment of bone mineral density, vertebral fractures, urinary tract calculi/nephrocalcinosis and quantification of urinary calcium excretion is warranted. Parathyroidectomy is the only definitive treatment and is warranted for all symptomatic patients and should be considered for asymptomatic patients without contraindications to surgery and with >10 years life expectancy. In patients who do not undergo surgery, we recommend annual evaluation for disease progression. Where the diagnosis is not clear or the risk-benefit ratio is not obvious, multidisciplinary discussion and formulation of a consensus management plan is appropriate. Genetic testing for familial hyperparathyroidism is recommended in selected patients. CONCLUSIONS These clinical consensus recommendations were developed to provide clinicians with contemporary guidance on the assessment and management of PHPT in adults. It is anticipated that improved health outcomes for individuals and the population will be achieved at a decreased cost to the community.
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Affiliation(s)
- Frances Milat
- Department of Endocrinology, Monash Health, Victoria, Australia
- Centre for Endocrinology and Metabolism, Hudson Institute of Medical Research, Victoria, Australia
- Department of Medicine, Nursing & Health Sciences, Monash University, Victoria, Australia
| | - Sabashini K Ramchand
- Department of Endocrinology, Austin Health, Victoria, Australia
- Department of Medicine, Austin Health, University of Melbourne, Victoria, Australia
| | - Madhuni Herath
- Department of Endocrinology, Monash Health, Victoria, Australia
- Centre for Endocrinology and Metabolism, Hudson Institute of Medical Research, Victoria, Australia
- Department of Medicine, Nursing & Health Sciences, Monash University, Victoria, Australia
| | - Justin Gundara
- Department of Surgery, Redland Hospital, Metro South and Faculty of Medicine, University of Queensland, Australia
- Department of Surgery, Logan Hospital, Metro South and School of Medicine and Dentistry, Griffith University, Queensland, Australia
| | - Simon Harper
- Department of General Surgery, Wellington Regional Hospital, Wellington, New Zealand
- Department of Surgery, University of Otago, Wellington, New Zealand
| | - Stephen Farrell
- Department of Surgery, St Vincent's Hospital, Victoria, Australia
- Department of Surgery, Austin Hospital, Victoria, Australia
- Department of Surgery, Royal Children's Hospital, Victoria, Australia
- Department of Surgery, University of Melbourne, Victoria, Australia
| | - Christian M Girgis
- Department of Diabetes and Endocrinology, Westmead Hospital, New South Wales, Australia
- Department of Endocrinology, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- Faculty of Medicine and Health, University of Sydney, New South Wales, Australia
| | - Roderick Clifton-Bligh
- Department of Endocrinology, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- Faculty of Medicine and Health, University of Sydney, New South Wales, Australia
- Kolling Institute, University of Sydney, New South Wales, Australia
| | - Hans G Schneider
- Clinical Biochemistry Unit, Alfred Pathology Service, Alfred Health, Victoria, Australia
- Department of Endocrinology, Alfred Hospital, Victoria, Australia
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Victoria, Australia
| | - Sunita M C De Sousa
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, Australia
- South Australian Adult Genetics Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia
- Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, South Australia, Australia
| | - Anthony J Gill
- Faculty of Medicine and Health, University of Sydney, New South Wales, Australia
- Cancer Diagnosis and Pathology Group, Kolling Institute of Medical Research, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- NSW Health Pathology, Department of Anatomical Pathology, Royal North Shore Hospital, St Leonards, New South Wales, Australia
| | - Jonathan Serpell
- Department of General Surgery, The Alfred Hospital, Victoria, Australia
- Monash University Department of Endocrine Surgery, Victoria, Australia
| | - Kim Taubman
- Department of Medical Imaging, St Vincent's Hospital, Victoria, Australia
- Department of Endocrinology, St Vincent's Hospital, Victoria, Australia
- Department of Medicine, University of Melbourne, Victoria, Australia
| | | | - Richard W Carroll
- Endocrine, Diabetes, and Research Centre, Wellington Regional Hospital, Wellington, New Zealand
| | - Julie A Miller
- Department of Surgery, University of Melbourne, Victoria, Australia
- Department of Surgery, The Royal Melbourne Hospital, Victoria, Australia
- Epworth Hospital Network, Victoria, Australia
| | - Mathis Grossmann
- Department of Endocrinology, Austin Health, Victoria, Australia
- Department of Medicine, Austin Health, University of Melbourne, Victoria, Australia
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Cisco R, Arnow K, Barreto N, Lin D, Kebebew E, Seib C. Increased Risk of Complications Associated With Concurrent Parathyroidectomy in Patients Undergoing Total Thyroidectomy. J Surg Res 2023; 288:275-281. [PMID: 37043874 DOI: 10.1016/j.jss.2023.02.036] [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: 08/05/2022] [Revised: 01/03/2023] [Accepted: 02/17/2023] [Indexed: 04/14/2023]
Abstract
INTRODUCTION We sought to investigate the association of concurrent parathyroidectomy (PTX) with risks of total thyroidectomy (TTX) through analysis of Collaborative Endocrine Surgery Quality Improvement Program data. TTXis a common operation with complications including recurrent laryngeal nerve injury, neck hematoma, and hypoparathyroidism. A subset of patients undergoing thyroidectomy undergoes planned concurrent PTX for treatment of primary hyperparathyroidism. There are limited data on the risk profile of TTX with concurrent PTX (TTX + PTX). METHODS We queried the Collaborative Endocrine Surgery Quality Improvement Program database for patients who underwent TTX or TTX + PTX from January 2014 through April 2020. Multivariable logistic regression was performed to predict hypoparathyroidism, vocal cord dysfunction, neck hematoma, and postoperative emergency department visit. Covariates included patient demographics, patient body mass index, indication for surgery, central neck dissection, anticoagulation use, and surgeon volume. RESULTS Thirteen thousand six hundred forty seven patients underwent TTX and 654 patients underwent TTX + PTX. Unadjusted rates of hypoparathyroidism were higher in TTX + PTX patients at 30 d (9.6% versus 7.4%, P = 0.04) and 6 mo (7.9% versus 3.1%, P < 0.001). On multivariable regression, TTX + PTX was associated with an increased risk of hypoparathyroidism at 30 d (odds ratio [OR] 2.09, 95% confidence interval [CI] 1.57-2.79) and 6 mo (OR 4.63, 95% CI 3.06-7.00) and an increased risk of postoperative emergency department visit (OR 1.66, 95% CI 1.20-2.31). TTX + PTX was not associated with recurrent laryngeal nerve injury or neck hematoma. CONCLUSIONS Concurrent PTX in patients undergoing TTX is associated with increased risk of immediate and long-term hypoparathyroidism, which should be considered in informed consent discussions and operative decision-making.
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Affiliation(s)
- Robin Cisco
- Division of General Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, California.
| | - Katherine Arnow
- Stanford-Surgery Policy Improvement Research & Education Center (S-SPIRE), Stanford, California
| | - Nicolas Barreto
- Stanford-Surgery Policy Improvement Research & Education Center (S-SPIRE), Stanford, California
| | - Dana Lin
- Division of General Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, California
| | - Electron Kebebew
- Division of General Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, California
| | - Carolyn Seib
- Division of General Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, California; Stanford-Surgery Policy Improvement Research & Education Center (S-SPIRE), Stanford, California
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Cohen MS, Kuo JH, Landry C, Lindeman B, Miller BS, Sorensen M, Zheng F. American Association of Endocrine Surgeons position statement on selected endocrine surgery billing codes and procedures: Addressing gaps in the current coding paradigm. Surgery 2023:S0039-6060(23)00196-4. [PMID: 37246125 DOI: 10.1016/j.surg.2023.03.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 03/30/2023] [Indexed: 05/30/2023]
Affiliation(s)
- Mark S Cohen
- Endocrine and Oncologic Surgery, Department of Surgery, Carle Foundation Hospital; Carle Illinois College of Medicine, Urbana, IL
| | - Jennifer H Kuo
- Division of GI/Endocrine Surgery, Department of Surgery, Columbia University, New York, NY
| | - Christine Landry
- Division of Surgical Oncology, Department of Surgery, Baylor Health System, Dallas, TX
| | - Brenessa Lindeman
- Division of Breast and Endocrine Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, AL
| | - Barbra S Miller
- Division of Surgical Oncology, Department of Surgery, The Ohio State University, Columbus, OH.
| | - Meredith Sorensen
- Division of Endocrine Surgery, Section of General Surgery, Department of Surgery, Dartmouth-Hitchcock Health System, Lebanon, NH; Geisel School of Medicine at Dartmouth, Hanover, NH
| | - Feibi Zheng
- Division of Surgical Oncology, Department of Surgery, Baylor College of Medicine, Houston, TX
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TOPUZ E, TÜZÜN D, ÖZBAY ÜN, ŞAHİN M, KARA İ. A case of normocalcemic primary hyperparathyroidism presenting with a mass in the oral cavity and accompanying incidental papillary thyroid carcinoma. CUKUROVA MEDICAL JOURNAL 2022. [DOI: 10.17826/cumj.1184876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Hyperparathyroidism (HPT) is an endocrine disorder characterized by high secretion of parathyroid hormone. Brown tumor is one of the skeletal manifestations of HPT. Its overall prevalence is low (about 0.1%). Involvement of facial bones is extremely rare. The mandible is involved in 4.5% of cases. Primary HPT (PHPT)with vitamin D deficiency worsens the clinical course. Parathyroid adenoma is detected in ectopic places with a rate of 8.5%. 0.2% is intrathyroidal, 2% is located in different neck regions, 4.1% is in the upper mediastinum, and 2.2% is in the lower mediastinum. The prevalence of papillary thyroid cancer (PTC) in PHPT patients has been reported to range from 2% to 15%. In the literature, incidentally detected papillary thyroid cancer in patients with hyperparathyroidism was detected in patients who underwent total thyroidectomy associated with intrathyroidal parathyroid adenoma.
In this article, we present a case of incidental papillary thyroid carcinoma with ectopic parathyroid adenoma accompanied by severe vitamin D, and diagnosed during accompanying surgery following a brown tumor was considered after primary hyperparathyroidism was detected. However, the patient was admitted with a mass in the oral cavity, diagnosed before as a pyogenic granuloma with a delayed diagnosis without considering brown tumor because it was normocalcemic. It is the first case in the literature of papillary thyroid carcinoma detected incidentally with ectopic parathyroid adenoma in the thyrothymic region.
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Affiliation(s)
- Emek TOPUZ
- Kahramanmaraş Sütçü İmam Tıp Fakültesi Endokrinoloji ve Metabolizma B.D
| | - Dilek TÜZÜN
- Kahramanmaraş Sütçü İmam Tıp Fakültesi Endokrinoloji ve Metabolizma B.D
| | - Ümit Nur ÖZBAY
- Kahramanmaraş Sütçü İmam Tıp Fakültesi Endokrinoloji ve Metabolizma B.D
| | - Murat ŞAHİN
- Kahramanmaraş Sütçü İmam Tıp Fakültesi Endokrinoloji ve Metabolizma B.D
| | - İrfan KARA
- Kahramanmaraş Sütçü İmam Tıp Fakültesi Kulak Burun Boğaz A.B.D
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Bilen N, Gokalp MA, Yilmaz L, Aytekin A, Baskonus I. Analysis of intraoperative laboratory measurements and imaging techniques such as Tc-99 m-MIBI SPECT/CT, 18F-fluorocholine PET/CT and ultrasound in patients operated with prediagnosis of parathyroid adenoma. Ir J Med Sci 2022:10.1007/s11845-022-03215-3. [PMID: 36399322 DOI: 10.1007/s11845-022-03215-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 11/07/2022] [Indexed: 11/21/2022]
Abstract
AIM The aim of this study is to determine accurately the localization of the adenoma with the imaging methods in the patients, who are planned to be operated on with prediagnosis of parathyroid adenoma. METHOD In our study, the files of the patients who were considered to have parathyroid adenoma and underwent operation between 2012 and 2020 with the methods such as Tc99m-MIBI SPECT/CT, 18F-fluorocholine PET/CT, and ultrasound, and biochemical examinations were examined retrospectively. RESULTS In this study, 31 (18.2%) male and 139 (81.8%) female adult patients were included. The sensitivities of localization methods were 82.6% for ultrasound and 78.4% for scintigraphy. Adenoma was localised in the right place in 14 of 15 (93.3%) patients with the 18F-fluorocholine PET/CT method. A statistically significant correlation was found between the sensitivity of scintigraphy, the gland weights (p: 0.002), and phosphor values (p: 0.039). A statistically significant improvement was observed in the intact PTH value (p: 0.001) 15 min after the removal of adenoma. A statistically significant improvement was observed in the serum PTH value (p: 0.001), the serum phosphorus value (p: 0.001), and the serum calcium (p: 0.001) in the first 3 months after the operation. CONCLUSION Determining localization accurately for the patients enables performing operations with minimally invasive surgery successfully in a shorter time. Also, fewer complications and faster recovery are seen in the patients. It was concluded that studying intraoperative intact PTH and using 18F-fluorocholine PET/CT method for localization give more accurate results for localization and allow having more successful operation outcomes.
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Gillis A, Chen H. There's no such thing as a free lunch: Outcomes of concurrent parathyroidectomy and thyroidectomy among CESQIP surgeons. Am J Surg 2022; 224:1188-1189. [PMID: 35672177 PMCID: PMC10494997 DOI: 10.1016/j.amjsurg.2022.05.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 05/23/2022] [Indexed: 01/03/2023]
Affiliation(s)
- Andrea Gillis
- University of Alabama at Birmingham, Department of Surgery, Division of Breast and Endocrine Surgery, United States.
| | - Herbert Chen
- University of Alabama at Birmingham, Department of Surgery, Division of Breast and Endocrine Surgery, United States
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DURMUŞ ET, ATMACA A, KEFELİ M, ÇOLAK R, DURMUŞ B, POLAT C. Papillary thyroid carcinoma prevalence and its predictors in patients with primary hyperparathyroidism. JOURNAL OF HEALTH SCIENCES AND MEDICINE 2022. [DOI: 10.32322/jhsm.1152567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Aim: Papillary thyroid carcinoma (PTC) and primary hyperparathyroidism (PHPT) are among the most common endocrine diseases. Although it has been shown that hyperparathyroidism may be associated with various cancers, the question of whether there is an association between hyperparathyroidism and PTC remains controversial. To evaluate the incidence of concomitant PTC among patients with PHPT and to identify possible risk factors for the development of PTC in these patients.
Material and Method: The data of 543 patients who had been operated on due to PHPT in our institution were reviewed retrospectively. Patients who underwent thyroid surgery in conjunction with parathyroidectomy and patients whose diagnosis of PTC was confirmed histopathologically were compared in terms of their clinical, biochemical, and histopathological features. The prevalence of PTC found in patients with PHPT was compared with national rates to estimate standardized incidence ratios (SIRs).
Results: Of the 456 PHPT patients enrolled in the study, 281 (61.6%) had concomitant thyroid nodules on thyroid ultrasonography, and PTC was detected in 53 (11.6%) patients during their thyroid surgeries. Compared to the general population, the incidence of papillary thyroid cancer was increased in both women and men with PHPT (SIR: 272.2, 95% CI: 201.6-360.0, p
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Affiliation(s)
- Elif Tutku DURMUŞ
- Ondokuz Mayis University, Faculty of Medicine, Department of Endocrinology and Metabolism
| | - Ayşegül ATMACA
- Ondokuz Mayis University, Faculty of Medicine, Department of Endocrinology and Metabolism
| | - Mehmet KEFELİ
- Ondokuz Mayis University, Faculty of Medicine, Department of Pathology
| | - Ramis ÇOLAK
- Ondokuz Mayis University, Faculty of Medicine, Department of Endocrinology and Metabolism
| | - Buğra DURMUŞ
- Ondokuz Mayis University, Faculty of Medicine, Department of Endocrinology and Metabolism
| | - Cafer POLAT
- Amasya University, Faculty of Medicine, Department of General Surgery
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The American Association of Endocrine Surgeons Guidelines for the Definitive Surgical Management of Secondary and Tertiary Renal Hyperparathyroidism. Ann Surg 2022; 276:e141-e176. [PMID: 35848728 DOI: 10.1097/sla.0000000000005522] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To develop evidence-based recommendations for safe, effective, and appropriate treatment of secondary (SHPT) and tertiary (THPT) renal hyperparathyroidism. BACKGROUND Hyperparathyroidism is common among patients with chronic kidney disease, end-stage kidney disease, and kidney transplant. The surgical management of SHPT and THPT is nuanced and requires a multidisciplinary approach. There are currently no clinical practice guidelines that address the surgical treatment of SHPT and THPT. METHODS Medical literature was reviewed from January 1, 1985 to present January 1, 2021 by a panel of 10 experts in SHPT and THPT. Recommendations using the best available evidence was constructed. The American College of Physicians grading system was used to determine levels of evidence. Recommendations were discussed to consensus. The American Association of Endocrine Surgeons membership reviewed and commented on preliminary drafts of the content. RESULTS These clinical guidelines present the epidemiology and pathophysiology of SHPT and THPT and provide recommendations for work-up and management of SHPT and THPT for all involved clinicians. It outlines the preoperative, intraoperative, and postoperative management of SHPT and THPT, as well as related definitions, operative techniques, morbidity, and outcomes. Specific topics include Pathogenesis and Epidemiology, Initial Evaluation, Imaging, Preoperative and Perioperative Care, Surgical Planning and Parathyroidectomy, Adjuncts and Approaches, Outcomes, and Reoperation. CONCLUSIONS Evidence-based guidelines were created to assist clinicians in the optimal management of secondary and tertiary renal hyperparathyroidism.
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10
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Outcomes of concurrent parathyroidectomy and thyroidectomy among CESQIP surgeons. Am J Surg 2022; 224:1190-1196. [DOI: 10.1016/j.amjsurg.2022.03.041] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 02/26/2022] [Accepted: 03/23/2022] [Indexed: 11/01/2022]
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Hargitai L, Schefner M, Traub-Weidinger T, Haug A, Arikan M, Scheuba C, Riss P. Accessing the influence of 99mTc-Sesta-MIBI-positive thyroid nodules on preoperative localisation studies in patients with primary hyperparathyroidism. Langenbecks Arch Surg 2022; 407:1183-1191. [PMID: 35061094 PMCID: PMC9151570 DOI: 10.1007/s00423-022-02442-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 01/13/2022] [Indexed: 11/26/2022]
Abstract
Purpose Curative treatment for primary hyperparathyroidism (PHPT) is parathyroidectomy (PTX) with removal of the hyperfunctioning gland(s). In an endemic goitre region, 35–78% of PHPT patients show concomitant thyroid disease. This study aimed to evaluate if 99mTc-sestamibi (MIBI)-positive thyroid nodules decrease sensitivity in regard to localising the hyperfunctioning parathyroid gland(s) in PHPT patients. Methods Within 5 years, 497 consecutive patients with biochemically proven PHPT were included in this study. The data was analysed retrospectively. Results In total, 198 patients underwent PTX with thyroid surgery and 299 patients underwent sole PTX. Sensitivity of MIBI scan for PTX with and without thyroid surgery was 72.1% and 73.6%, respectively. A statistically significant difference in sensitivity of ultrasound for PTX with and without thyroid surgery (57.0% and 70.9%, respectively) was observed (p = 0.029). Thyroid nodule histology did not have a significant effect on the MIBI scan. Unilateral neck exploration (UNE) was performed in 110 patients and bilateral neck exploration (BNE) in 177 patients. The probability of surgical conversion from UNE to BNE due to incorrect localisation was 1.733 times higher in patients with thyroid nodules. Conclusions Concomitant benign thyroid nodules did not influence MIBI sensitivity. No correlation between thyroid carcinoma and MIBI uptake was determined. However, MIBI detection of thyroid malignancy is important in patients initially being considered for minimal invasive parathyroidectomy. Sensitivity and positive predictive value of ultrasound were significantly lower in patients with thyroid nodules. The probability of conversion from UNE to BNE due to incorrect localisation was 1.733 times higher in patients with thyroid nodules.
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Affiliation(s)
- Lindsay Hargitai
- Endocrine Surgery, Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, Austria.
| | - Maria Schefner
- Endocrine Surgery, Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, Austria
| | - Tatjana Traub-Weidinger
- Division of Nuclear Medicine, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, Austria
| | - Alexander Haug
- Division of Nuclear Medicine, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, Austria
| | - Melisa Arikan
- Endocrine Surgery, Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, Austria
| | - Christian Scheuba
- Endocrine Surgery, Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, Austria
| | - Philipp Riss
- Endocrine Surgery, Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, Austria
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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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Li L, Li B, Lv B, Liang W, Zhang B, Zeng Q, Turner AG, Sheng L. Increased thyroid malignancy in patients with primary hyperparathyroidism. Endocr Connect 2021; 10:885-893. [PMID: 34261038 PMCID: PMC8346191 DOI: 10.1530/ec-21-0217] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Accepted: 07/14/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND Multiple studies have reported the increased incidence of thyroid cancer in patients with primary hyperparathyroidism (PHPT). However, the underlying risk factors of concomitant thyroid cancer in patients with PHPT remain unknown. The primary aim of this study was to examine the records of patients with PHPT to identify characteristics that correlated with the presence of coexisting thyroid nodules, and which may have an implication for the prediction of thyroid cancer. METHODS Medical records of consecutive patients with PHPT (n = 318) were reviewed from January 2010 to September 2020 in two tertiary medical centers in China. Patient clinicopathological and biological data were collected and analyzed. RESULTS Of a total of 318 patients with PHPT, 105 (33.0%) patients had thyroid nodules and 26 (8.2%) patients were concomitant with thyroid cancer. A total of 38 thyroid nodules taken from 26 patients were pathologically assessed to be well-differentiated papillary thyroid carcinoma (PTC), with 81% being papillary thyroid microcarcinoma (PTMC). In 79% (30/38) of these cancers, thyroid nodules were considered suspicious following preoperative ultrasound. Multinomial logistic regression analysis revealed that female gender was associated with increased risk of thyroid nodules (OR = 2.13, 95% CI: 1.13-3.99, P = 0.019), while lower log-transformed parathyroid hormone levels were an independent predictor of thyroid cancer in patients with PHPT (OR = 0.50, 95% CI: 0.26-0.93, P = 0.028). CONCLUSION In conclusion, we observed a relatively high prevalence of thyroid cancer in our cohort of Chinese patients with PHPT. Evaluation of thyroid nodules by preoperative ultrasound may be advisable in patients with PHPT, particularly for females and patients with modestly elevated serum parathyroid hormone levels.
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Affiliation(s)
- Luchuan Li
- Department of Thyroid Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Baoyuan Li
- Department of Thyroid Surgery, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, China
| | - Bin Lv
- Department of Thyroid Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Weili Liang
- Department of Thyroid Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Binbin Zhang
- Department of Thyroid Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Qingdong Zeng
- Department of Thyroid Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Andrew G Turner
- Clinical and Health Sciences, University of South Australia, Adelaide, South Australia, Australia
| | - Lei Sheng
- Department of Thyroid Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China
- Correspondence should be addressed to L Sheng:
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4DCT Scanning Technique for Primary Hyperparathyroidism: A Scoping Review. Radiol Res Pract 2021; 2021:6614406. [PMID: 34094599 PMCID: PMC8163538 DOI: 10.1155/2021/6614406] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 04/11/2021] [Accepted: 05/13/2021] [Indexed: 12/27/2022] Open
Abstract
Objective 4DCT for the detection of (an) enlarged parathyroid(s) is a commonly performed examination in the management of primary hyperparathyroidism. Protocols are often institution-specific; this review aims to summarize the different protocols and explore the reported sensitivity and specificity of different 4DCT protocols as well as the associated dose. Materials and Methods A literature study was independently conducted by two radiologists from April 2020 until May 2020 using the Medical Literature Analysis and Retrieval System Online (MEDLINE) database. Articles were screened and assessed for eligibility. From eligible studies, data were extracted to summarize different parameters of the scanning protocol and observed diagnostic attributes. Results A total of 51 articles were included and 56 scanning protocols were identified. Most protocols use three (n = 25) or four different phases (n = 23). Almost all authors include noncontrast enhanced imaging and an arterial phase. Arterial images are usually obtained 25–30 s after administration of contrast, and less agreement exists concerning the timing of the venous phase(s). A mean contrast bolus of 100 mL is administered at 3-4 mL/s. Bolus tracking is not often used (n = 3). A wide range of effective doses are reported, up to 28 mSv. A mean sensitivity of 81.5% and a mean specificity of 86% are reported. Conclusion Many different 4DCT scanning protocols for the detection of parathyroid adenomas exist in the literature. The number of phases does not appear to affect sensitivity or specificity. A triphasic approach, however, seems preferable, as three patterns of enhancement of parathyroid adenomas are described. Bolus tracking could help to reduce the variability of enhancement. Sensitivity and specificity also do not appear to be affected by other scan parameters like tube voltage or tube current. To keep the effective dose within limits, scanning at a lower fixed tube current seems preferable. Lowering tube voltage from 120 kV to 100 kV may yield similar image contrast but would also help lower the dose.
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Liu Y, Guo S, Sang S, Liu J, Qi L, Lv B, Zhang X. Differences in Clinicopathological Characteristics of Papillary Thyroid Carcinoma between Symptomatic and Asymptomatic Patients with Primary Hyperparathyroidism. Int J Endocrinol 2021; 2021:9917694. [PMID: 34158812 PMCID: PMC8187053 DOI: 10.1155/2021/9917694] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/15/2021] [Accepted: 05/21/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Popularization of cervical ultrasound led to higher detection of papillary thyroid carcinoma (PTC) and primary hyperparathyroidism (PHPT), as well as increasing percentage of asymptomatic PHPT in China. Although the coexistence of PTC and PHPT has been reported, it is unknown whether the clinicopathological features of PTC differ between asymptomatic and symptomatic PHPT patients. METHODS We retrospectively reviewed the medical records of 304 PHPT patients treated in our hospital between January 2009 and July 2020, including 217 females and 87 males with the average age of 53.27 ± 13.54 years. Of the 304 patients, 181 were symptomatic PHPT patients and 123 were asymptomatic PHPT patients. We analyzed the laboratory results, postoperative pathology, and the TNM stage of PTC between asymptomatic and symptomatic PHPT patients. RESULTS Concurrent thyroid nodules were found in 61.51% of PHPT patients, and the prevalence of PTC in thyroidectomized PHPT patients was 29.89% in our cohort. Lower serum parathyroid hormone (PTH) (p < 0.05) and calcium (p < 0.05) were found in PHPT patients with PTC compared to patients with benign thyroid lesion. Compared with the symptomatic PHPT patients, the asymptomatic PHPT patients showed lower serum calcium (p < 0.05), serum chlorine (p < 0.05), alkaline phosphatase (p < 0.05), PTH (p < 0.05), and bone turnover markers (p < 0.05) but higher prevalence of thyroid nodules (70.73% versus 55.24%, p < 0.05) and PTC (15.44% versus 3.87%, p < 0.05). All the PTC in symptomatic PHPT patients were papillary microcarcinoma limited to the thyroid, while 68.42% and 15.78% of the PTC in asymptomatic PHPT patients showed microscopic extrathyroidal extension and lymph node metastases, respectively. Moreover, 36.84% (7/19) of the PTC patients in asymptomatic group showed multifocality, which was much higher than 14.29% (1/7) in the symptomatic group; however, no statistical significance was found (p=0.24). CONCLUSIONS The concomitant PTC in asymptomatic PHPT patients showed a higher rate of microscopic extrathyroidal invasion when compared to symptomatic PHPT patients. So the FNA is essential to the asymptomatic PHPT patients with suspicious thyroid nodules and once the PTC is confirmed, concurrent parathyroidectomy should be performed with thyroidectomy in asymptomatic PHPT patients.
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Affiliation(s)
- Yuan Liu
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan 250012, China
- Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan 250012, China
| | - Siyi Guo
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan 250012, China
- Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan 250012, China
| | - Shaowei Sang
- Clinical Epidemiology Unit, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Jinbo Liu
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan 250012, China
- Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan 250012, China
| | - Lin Qi
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan 250012, China
- Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan 250012, China
| | - Bin Lv
- Department of Thyroid Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Xiaoli Zhang
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan 250012, China
- Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan 250012, China
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Detection of parathyroid adenomas with multiphase 4DCT: towards a true four-dimensional technique. BMC Med Imaging 2021; 21:64. [PMID: 33827463 PMCID: PMC8028189 DOI: 10.1186/s12880-021-00597-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 03/29/2021] [Indexed: 12/15/2022] Open
Abstract
Background Four-dimensional computed tomography (4DCT) is a commonly performed examination in the management of primary hyperparathyroidism, combining three-dimensional imaging with enhancement over time as the fourth dimension. We propose a novel technique consisting of 16 different contrast phases instead of three or four different phases. The main aim of this study was to ascertain whether this protocol allows the detection of parathyroid adenomas within dose limits. Our secondary aim was to examine the enhancement of parathyroid lesions over time. Methods For this prospective study, we included 15 patients with primary hyperparathyroidism and a positive ultrasound prior to surgery. We performed 4DCT with 16 different phases: an unenhanced phase followed by 11 consecutive arterial phases and 4 venous phases. Continuous axial scanning centered on the thyroid was performed over a fixed 8 cm or 16 cm coverage volume after the start of contrast administration. Results In all patients, an enlarged parathyroid lesion was demonstrated, and the mean lesion size was 13.6 mm. The mean peak arterial enhancement for parathyroid lesions was 384 Hounsfield units (HU) compared to 333 HU for the normal thyroid. No significant difference could be found. The time to peak (TTP) was significantly earlier for parathyroid adenomas than for normal thyroid tissue: 30.8 s versus 32.3 s (p value 0.008). The mean slope of increase (MSI) of the enhancement curve was significantly steeper than that of normal thyroid tissue: 29.8% versus 22.2% (p value 0.012). The mean dose length product was 890.7 mGy cm with a calculated effective dose of 6.7 mSv. Conclusion Our 4DCT protocol may allow better visualization of the pattern of enhancement of parathyroid lesions, as enhancement over time curves can be drawn. In this way, wash-in and wash-out of contrast in suspected lesions can be readily demonstrated. Motion artifacts are less problematic as multiple phases are available. Exposure to our proposed 4DCT technique is comparable to that for classic helical 4DCT. Careful selection of parameters (lowering kV and SNR) can help to further reduce the dose.
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Foster T, Dy B, Rocco R, Mckenzie T, Thompson G, Wermers R, Lyden M. Routine Use of Preoperative Neck Ultrasound in Primary Hyperparathyroidism Identifies Coexisting Thyroid Disease and Improves Parathyroid Localization. Am Surg 2021; 88:254-259. [PMID: 33517698 DOI: 10.1177/0003134821991991] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
BACKGROUND In Jan 2018, we began routinely obtaining neck ultrasound (US) with 123I/99Tc-sestamibi (MIBI) for parathyroid gland localization and to identify thyroid pathology in the setting of primary hyperparathyroidism (1HPT). The aim of this study is to assess if routine neck US is a useful adjunct to 123I/99Tc-MIBI in 1HPT. METHODS Patients undergoing surgery for 1HPT with both 123I/99Tc-MIBI and US at our institution after implementation of routine US were reviewed. Biopsy and surgical management of thyroid pathology was evaluated. 123I/99Tc-MIBI and US results were compared to intraoperative findings to determine sensitivity and positive predictive value (PPV) for parathyroid localization. RESULTS From January 2018 to September 2019, there were 423 patients (mean, 61 years) that met inclusion criteria (80% women). Thyroid nodules were found on US in 57%, mean size 1.3 + 0.8 cm. Fine needle aspiration (FNA) was performed in 87 patients with nodules (36%). 35 patients (8.5%) required total or partial thyroidectomy for diagnoses/treatment. Papillary thyroid cancer (PTC) was found in 3.5% of the cohort with micro-PTC 53% and PTC 1-2 cm 40%. A successful parathyroid operation for 1HPT was achieved in 98.6% of patients. Positive predictive value for localization of abnormal parathyroid glands was 97% when US and 123I/99Tc-MIBI had concordant findings. DISCUSSION Routine use of US in 1HPT commonly identifies nodules that are benign or low-risk PTC. Ultrasound is less sensitive for parathyroid localization but when used with 123I/99Tc-MIBI, concordant imaging has a high PPV.
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Affiliation(s)
- Trenton Foster
- Department of Surgery, 6915Mayo Clinic, Rochester, MN, USA
| | - Benzon Dy
- Department of Surgery, 6915Mayo Clinic, Rochester, MN, USA
| | - Raffaele Rocco
- Department of Surgery, 6915Mayo Clinic, Rochester, MN, USA
| | | | | | - Robert Wermers
- Department of Medicine, 6915Mayo Clinic, Rochester, MN, USA
| | - Melanie Lyden
- Department of Surgery, 6915Mayo Clinic, Rochester, MN, USA
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Piccin O, D'Alessio P, Cioccoloni E, Burgio L, Poggi C, Altieri P, Vicennati V, Repaci A, Pagotto U, Cavicchi O. Pre-operative imaging workup for surgical intervention in primary hyperparathyroidism: A tertiary referral center experience. Am J Otolaryngol 2021; 42:102819. [PMID: 33157312 DOI: 10.1016/j.amjoto.2020.102819] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 10/26/2020] [Accepted: 10/26/2020] [Indexed: 12/14/2022]
Abstract
PURPOSE Preoperative imaging in patients with primary hyperparathyroidism provides important localization information, allowing the surgeon to perform a focused surgery. However there are no evidence-based guidelines suggesting which preoperative imaging should be used, resulting in a risk of excessive prescription of exams and waste of economic resources. The main purpose of this study was to describe our experience on the performance of various imaging techniques for the preoperative localization of abnormal parathyroid gland/s, with a focus on the sensitivity and specificity of each technique. Secondly, we carried out an analysis of the cost utility of each technique in order to determine the most clinical and cost-effective combination of localization studies. MATERIALS AND METHODS Records of 336 patients who underwent parathyroidectomy were retrospectively examined comparing imaging and intraoperative/histopathologic findings to evaluate the accuracy in parathyroid detection of each imaging technique. Costs were determined by regional health system reimbursement. RESULTS We found that the sensitivity of color Doppler US was significantly higher than SPECT (p 0,023), while the sensitivity of 4D-CT was significantly better than US (p 0,029) and SPECT (p 0,0002). CONCLUSIONS In experienced hands color Doppler US is a highly sensitive technique especially in patients with no thyroid diseases. In patients with concomitant thyroid pathology, the combination of US and 4D-CT represents a reliable localization technique.
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Affiliation(s)
- Ottavio Piccin
- Department of Otolaryngology Head and Neck Surgery, IRCSS-Azienda Ospedaliero Universitaria di Bologna, Policlinico Sant'Orsola, via Massarenti 9, 40138 Bologna, Italy.
| | - Pasquale D'Alessio
- Department of Otolaryngology Head and Neck Surgery, IRCSS-Azienda Ospedaliero Universitaria di Bologna, Policlinico Sant'Orsola, via Massarenti 9, 40138 Bologna, Italy
| | - Eleonora Cioccoloni
- Department of Otolaryngology Head and Neck Surgery, IRCSS-Azienda Ospedaliero Universitaria di Bologna, Policlinico Sant'Orsola, via Massarenti 9, 40138 Bologna, Italy
| | - Luca Burgio
- Department of Otolaryngology Head and Neck Surgery, IRCSS-Azienda Ospedaliero Universitaria di Bologna, Policlinico Sant'Orsola, via Massarenti 9, 40138 Bologna, Italy
| | - Cristina Poggi
- Department of Radiology, IRCSS-Azienda Ospedaliero Universitaria di Bologna, Policlinico Sant'Orsola, via Massarenti 9, 40138 Bologna, Italy
| | - Paola Altieri
- Division of Endocrinology, IRCSS-Azienda Ospedaliero Universitaria di Bologna, Policlinico Sant'Orsola, via Massarenti 9, 40138 Bologna, Italy
| | - Valentina Vicennati
- Division of Endocrinology, IRCSS-Azienda Ospedaliero Universitaria di Bologna, Policlinico Sant'Orsola, via Massarenti 9, 40138 Bologna, Italy
| | - Andrea Repaci
- Division of Endocrinology, IRCSS-Azienda Ospedaliero Universitaria di Bologna, Policlinico Sant'Orsola, via Massarenti 9, 40138 Bologna, Italy
| | - Uberto Pagotto
- Division of Endocrinology, IRCSS-Azienda Ospedaliero Universitaria di Bologna, Policlinico Sant'Orsola, via Massarenti 9, 40138 Bologna, Italy
| | - Ottavio Cavicchi
- Department of Otolaryngology Head and Neck Surgery, IRCSS-Azienda Ospedaliero Universitaria di Bologna, Policlinico Sant'Orsola, via Massarenti 9, 40138 Bologna, Italy
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The American Association of Endocrine Surgeons Guidelines for the Definitive Surgical Management of Thyroid Disease in Adults. Ann Surg 2020; 271:e21-e93. [PMID: 32079830 DOI: 10.1097/sla.0000000000003580] [Citation(s) in RCA: 238] [Impact Index Per Article: 59.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE To develop evidence-based recommendations for safe, effective, and appropriate thyroidectomy. BACKGROUND Surgical management of thyroid disease has evolved considerably over several decades leading to variability in rendered care. Over 100,000 thyroid operations are performed annually in the US. METHODS The medical literature from 1/1/1985 to 11/9/2018 was reviewed by a panel of 19 experts in thyroid disorders representing multiple disciplines. The authors used the best available evidence to construct surgical management recommendations. Levels of evidence were determined using the American College of Physicians grading system, and management recommendations were discussed to consensus. Members of the American Association of Endocrine Surgeons reviewed and commented on preliminary drafts of the content. RESULTS These clinical guidelines analyze the indications for thyroidectomy as well as its definitions, technique, morbidity, and outcomes. Specific topics include Pathogenesis and Epidemiology, Initial Evaluation, Imaging, Fine Needle Aspiration Biopsy Diagnosis, Molecular Testing, Indications, Extent and Outcomes of Surgery, Preoperative Care, Initial Thyroidectomy, Perioperative Tissue Diagnosis, Nodal Dissection, Concurrent Parathyroidectomy, Hyperthyroid Conditions, Goiter, Adjuncts and Approaches to Thyroidectomy, Laryngology, Familial Thyroid Cancer, Postoperative Care and Complications, Cancer Management, and Reoperation. CONCLUSIONS Evidence-based guidelines were created to assist clinicians in the optimal surgical management of thyroid disease.
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Long-term therapeutic outcomes of papillary thyroid carcinoma with concomitant hyperparathyroidism: A single center case-control study. Biomed J 2020; 43:53-61. [PMID: 32200956 PMCID: PMC7090315 DOI: 10.1016/j.bj.2019.05.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 04/22/2019] [Accepted: 05/31/2019] [Indexed: 11/22/2022] Open
Abstract
Background Papillary thyroid carcinoma occasionally presents with concomitant hyperparathyroidism; however, the clinical significance has not been well established. This study aimed to evaluate the long-term cancer prognosis following a multimodality therapy. Methods We conducted a case-control study using prospectively maintained data from a medical center thyroid cancer database between 1980 and 2013. The study cohort comprised patients with concomitant papillary thyroid carcinoma and hyperparathyroidism. Patients with papillary thyroid carcinoma only were matched using the propensity score method. Therapeutic outcomes, including the non-remission rate of papillary thyroid carcinoma and patient mortality, were compared. Results We identified 27 study participants from 2537 patients with papillary thyroid carcinoma, with 10 patients having primary hyperparathyroidism and 17 having renal hyperparathyroidism. Eighty-five percent of the cohort was found to have tumor–node–metastasis stage I disease. During a mean follow-up of 7.7 years, we identified 3 disease non-remission and 4 mortality events. The non-remission risk did not increase (hazard ratio [HR], 1.66; 95% confidence interval [CI], 0.43–6.40; p = 0.47); however, the overall mortality risk significantly increased (HR, 4.43; 95% CI, 1.11–17.75; p = 0.04). All mortality events were not thyroid cancer related, including two identified cardiovascular diseases. Conclusions Patients with papillary thyroid carcinoma who present with concomitant hyperparathyroidism are usually diagnosed at an early cancer stage with compatible therapeutic outcomes. However, hyperparathyroidism-related comorbidity may decrease long-term survival.
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Castellano E, Benso P, Attanasio R, Boriano A, Lauro C, Borretta G, Borghi F. Surgical Approach to Primary Hyperparathyroidism in Patients with Concomitant Thyroid Diseases: A Retrospective Single Center Study. Int J Endocrinol 2020; 2020:2182539. [PMID: 32148486 PMCID: PMC7057020 DOI: 10.1155/2020/2182539] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 01/23/2020] [Accepted: 01/31/2020] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Primary hyperparathyroidism (PHPT) and thyroid diseases are a frequent concomitant occurrence, but the surgical approach to associated disease is still debated. METHODS We retrospectively evaluated a series of PHPT patients focusing on thyroid disease and surgery. RESULTS Among 238 PHPT patients undergoing parathyroidectomy (PTX) between 2002 and 2017, 128 were affected also by a benign thyroid disease, namely, goiter in 118 (76 multinodular (MNG) and 42 uninodular (UNG)), autoimmune thyroiditis in 10, and hyperthyroidism in 21. Surgical approach was unilateral neck exploration (UNE) in 59 patients and bilateral neck exploration (BNE) in 69. The PHPT cure rate was 94%. On comparing patients submitted to PTX only and PTX plus thyroidectomy (TX), in the latter MNG and hyperthyroidism were more frequent, and surgical time and length of stay were longer. No difference in surgical complications was found between patients undergoing UNE and BNE. CONCLUSION PHPT patients with a concomitant thyroid disease underwent double surgery in almost two-thirds of the cases, mostly by BNE. The main factors driving the decision to perform concomitant PTX and TX were the presence of thyroid nodular disease with the nodule site ipsilateral to the presurgically localized parathyroid adenoma.
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Affiliation(s)
- Elena Castellano
- Department of Endocrinology, Diabetes and Metabolism, Santa Croce and Carle Hospital, Cuneo, Italy
| | - Paolo Benso
- Unit of General and Oncological Surgery, Department of Surgery, Santa Croce and Carle Hospital, Cuneo, Italy
| | - Roberto Attanasio
- IRCCS Orthopedic Institute Galeazzi, Endocrinology Service, Milan, Italy
| | - Alberto Boriano
- Medical Physics Department, Santa Croce and Carle Hospital, Cuneo, Italy
| | - Corrado Lauro
- Unit of General and Oncological Surgery, Department of Surgery, Santa Croce and Carle Hospital, Cuneo, Italy
| | - Giorgio Borretta
- Department of Endocrinology, Diabetes and Metabolism, Santa Croce and Carle Hospital, Cuneo, Italy
| | - Felice Borghi
- Unit of General and Oncological Surgery, Department of Surgery, Santa Croce and Carle Hospital, Cuneo, Italy
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Comparison between single-photon emission computed tomography/computed tomography and ultrasound in preoperative detection of parathyroid adenoma. Nucl Med Commun 2019; 40:1211-1215. [DOI: 10.1097/mnm.0000000000001104] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Do Symptoms and Serum Calcium Levels Affect the Results of Surgical Treatment of Primary Hyperparathyroidism? BIOMED RESEARCH INTERNATIONAL 2019; 2019:2150159. [PMID: 31355250 PMCID: PMC6634056 DOI: 10.1155/2019/2150159] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 06/05/2019] [Accepted: 06/12/2019] [Indexed: 12/15/2022]
Abstract
Introduction The purpose of this study was to investigate the difference in surgical outcomes between symptomatic and asymptomatic patients with primary hyperparathyroidism (PHPT) and between patients with high serum calcium and those with normal blood calcium, as well as to explore the epidemiological trend of PHPT in northern China. Methods Clinicopathologic data of 197 patients (50 men and 147 women) with PHPT who underwent surgery at the First Affiliated Hospital of Harbin Medical University from 2008 to 2017 were analyzed. Changes in clinicopathology were compared among different subgroups of patients. Patients were categorized into subgroups based on serum calcium levels, whether or not they presented with symptoms, and admission time. Results Of the total patients, 82.23% had hypercalcemic primary hyperparathyroidism (HCPHPT), 17.77% had normocalcemic primary hyperparathyroidism (NCPHPT), 45.18% had symptomatic primary hyperparathyroidism (SPHPT), and 54.82% had asymptomatic primary hyperparathyroidism (ASPHPT). Seventy-seven cases of PHPT involved thyroid nodules, with 22 confirmed as papillary thyroid carcinoma, and 29 confirmed as nodular goiter. There was no significant difference in the success rate of surgery, postoperative recurrence rate, and the symptoms of temporary hypocalcemia between the HCPHPT and NCPHPT groups, and between the SPHPT and ASPHPT groups. The incidence of PHPT has increased threefold since 2013. Conclusions Symptoms and serum calcium levels did not affect the results of surgical treatment for PHPT. The incidence of PHPT in northern China is increasing. Moreover, PHPT manifestation has shifted from the symptomatic to the asymptomatic form. Thyroid surgery should be performed in PHPT patients with thyroid nodules.
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Preda C, Branisteanu D, Armasu I, Danila R, Velicescu C, Ciobanu D, Covic A, Grigorovici A. Coexistent papillary thyroid carcinoma diagnosed in surgically treated patients for primary versus secondary hyperparathyroidism: same incidence, different characteristics. BMC Surg 2019; 19:94. [PMID: 31311533 PMCID: PMC6636032 DOI: 10.1186/s12893-019-0556-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 07/03/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The coexistence of hyperparathyroidism and thyroid cancer presents important diagnostic and management challenges. With minimally invasive parathyroid surgery trending, preoperative thyroid imaging becomes more important as concomitant thyroid and parathyroid lesions are reported. The aim of the study was to evaluate the rate of thyroid cancer in patients operated for either primary (PHPT) or secondary hyperparathyroidism (SHPT). METHODS Our retrospective study included PHPT and SHPT patients submitted to parathyroidectomy and, when indicated, concomitant thyroid surgery between 2010 and 2017. RESULTS Parathyroidectomy was performed in 217 patients: 140 (64.5%) for PHPT and 77 (35.5%) for SHPT. Concomitant thyroid surgery was performed in 75 patients with PHPT (53.6%), and 19 papillary thyroid carcinomas (PTC) were found, accounting for 13.6% from all cases with PHPT and 25.3% from PHPT cases with concomitant thyroid surgery. Thirty-one of operated SHPT patients (40.3%) also underwent thyroid surgery and 9 PTC cases were diagnosed (11.7% of all SHPT patients and 29% of patients with concomitant thyroid surgery). We found differences between PHPT and SHPT patients (p < 0.001) with respect to age (54.6 ± 13y versus 48.8 ± 12y), female-to-male ratio (8:1 versus ~ 1:1), surgical technique (single gland parathyroidectomy in 82.8% PHPT cases; versus subtotal parathyroidectomy in 85.7% SHPT cases) and presurgical PTH (357.51 ± 38.11 pg/ml versus 1020 ± 161.38 pg/ml). Morphopathological particularities, TNM classification and multifocality incidence of PTC were similar in the two groups. All PTC from patients with SHPT were thyroid microcarcinomas (TMC, i.e. tumors with a diameter smaller than 1 cm), whereas seven out of the 19 cases with PTC and PHPT were larger than 1 cm. CONCLUSIONS PTC was frequently and similarly associated with both PHPT and SHPT irrespective of presurgical PTH levels. Thyroid tumors above 1 cm were found only in patients with PHPT. Investigators should focus also on associated thyroid nodular pathology in patients with PHPT.
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Affiliation(s)
- Cristina Preda
- Faculty of Medicine, Department of Endocrinology, "Gr igore T Popa" University of Medicine and Pharmacy, 16 Universitatii Str, 700115, Iasi, Romania
| | - Dumitru Branisteanu
- Faculty of Medicine, Department of Endocrinology, "Gr igore T Popa" University of Medicine and Pharmacy, 16 Universitatii Str, 700115, Iasi, Romania.
| | - Ioana Armasu
- Department of Morphofunctional Sciences, "Grigore T. Popa" University of Medicine, Iasi, Romania
| | - Radu Danila
- Faculty of Medicine, Department of Surgery, "Grigore T Popa" University of Medicine and Pharmacy, 16 Universitatii Str, 700115, Iasi, Romania
| | - Cristian Velicescu
- Faculty of Medicine, Department of Surgery, "Grigore T Popa" University of Medicine and Pharmacy, 16 Universitatii Str, 700115, Iasi, Romania
| | - Delia Ciobanu
- Faculty of Medicine, Department of Morphopathology, "Grigore T Popa" University of Medicine and Pharmacy, 16 Universitatii Str, 700115, Iasi, Romania
| | - Adrian Covic
- Faculty of Medicine, Department of Nephrology, "Grigore T Popa" University of Medicine and Pharmacy, 16 Universitatii Str, 700115, Iasi, Romania.,Academy of Romanian Scientists, Bucuresti, Romania
| | - Alexandru Grigorovici
- Faculty of Medicine, Department of Surgery, "Grigore T Popa" University of Medicine and Pharmacy, 16 Universitatii Str, 700115, Iasi, Romania
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25
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Çetin K, Sıkar HE, Temizkan Ş, Ofluoğlu CB, Özderya A, Aydın K, Gül AE, Küçük HF. Does Primary Hyperparathyroidism Have an Association with Thyroid Papillary Cancer? A Retrospective Cohort Study. World J Surg 2019; 43:1243-1248. [PMID: 30680499 DOI: 10.1007/s00268-019-04920-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
BACKGROUND To investigate the relationship between primary hyperparathyroidism (pHPT) and papillary thyroid cancer (PTC). METHODS The perioperative findings of 275 patients with pHPT who underwent surgery between January 2014 and December 2017 were retrospectively reviewed. Thirty-one patients were diagnosed with pHPT and PTC concurrently. Pathology results and demographic findings of these patients were compared with 186 patients who underwent thyroidectomy and diagnosed with PTC at the same time interval. RESULTS The co-occurrence of pHPT and PTC was 11.3% (31/275). The median ages of the pHPT, pHPT + PTC, and PTC groups were 55, 57, and 50 years old, respectively (p < 0.001). The diameter of tumor was smaller in the pHPT + PTC group [median 7 mm (range 0.5-25 mm) vs. 15 mm (range 1-100 mm)], with higher rates of microcarcinomas (p < 0.001), than the patients in the PTC group. Examination of tumor morphology showed higher rates of tumor capsule invasion and multicentricity in the pHPT + PTC group than those in the isolated PTC group (p = 0.02, p = 0.04, respectively). CONCLUSION The pHPT + PTC group had significantly smaller tumor diameter than the PTC group. This result may support the idea that pHPT leads to overdiagnosis of PTC. However, observation of high rates of tumor capsule invasion and multicentricity in the pHPT + PTC group may suggest an associative etiology with more aggressive PTC.
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Affiliation(s)
- Kenan Çetin
- Department of General Surgery, University of Health Sciences, Kartal Dr. Lutfi Kirdar Training and Research Hospital, 34890, Istanbul, Turkey.
| | - Hasan E Sıkar
- Department of General Surgery, University of Health Sciences, Kartal Dr. Lutfi Kirdar Training and Research Hospital, 34890, Istanbul, Turkey
| | - Şule Temizkan
- Department of Endocrinology, Faculty of Medicine, Yeditepe University, Istanbul, Turkey
| | - Cem B Ofluoğlu
- Department of General Surgery, University of Health Sciences, Kartal Dr. Lutfi Kirdar Training and Research Hospital, 34890, Istanbul, Turkey
| | - Ayşenur Özderya
- Department of Endocrinology, University of Health Sciences, Kartal Dr. Lutfi Kirdar Training and Research Hospital, Istanbul, Turkey
| | - Kadriye Aydın
- Department of Endocrinology, University of Health Sciences, Kartal Dr. Lutfi Kirdar Training and Research Hospital, Istanbul, Turkey
| | - Aylin E Gül
- Department of Pathology, University of Health Sciences, Kartal Dr. Lutfi Kirdar Training and Research Hospital, Istanbul, Turkey
| | - Hasan F Küçük
- Department of General Surgery, University of Health Sciences, Kartal Dr. Lutfi Kirdar Training and Research Hospital, 34890, Istanbul, Turkey
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26
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Nilsson IL. Primary hyperparathyroidism: should surgery be performed on all patients? Current evidence and residual uncertainties. J Intern Med 2019; 285:149-164. [PMID: 30289185 DOI: 10.1111/joim.12840] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Primary hyperparathyroidism (pHPT) is the third most common endocrine disease and is characterized by hypercalcaemia and elevated or inappropriately 'normal' levels of the parathyroid hormone (PTH). The main target organs of PTH are the skeletal system and the kidneys. Before the 1970s, pHPT was a rarely detected disease associated with notable morbidity and premature mortality. Introduction of biochemical screening, allowing for a wide range of indications, has contributed to the detection of the full spectrum of the disease. A new entity with an isolated elevation of PTH, normocalcaemic HP, has emerged and is currently being explored. The highest incidence of pHPT, 3-5%, is observed amongst women, and the prevalence increases with age. The female-to-male ratio is 3-4 : 1 except in younger patients where distribution is equal and known hereditary causes account for approximately 10% of the cases. In the last few decades, it has become evident that fewer patients than previously believed are truly asymptomatic. The cause of pHPT is often a benign tumour, a parathyroid adenoma, and the only definite treatment is parathyroidectomy (PTX). No medical treatment, single or combined, can achieve a curing of pHPT. Recent data indicate that PTX, despite being proven to be cost-effective compared to conservative treatment, is underutilized, especially in elderly pHPT patients. The decision of PTX should always be based on a safe diagnosis, and the potential benefits of curative treatment should not be outweighed by the risks of surgery or anaesthesia.
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Affiliation(s)
- I-L Nilsson
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.,Department ofBreast, Endocrine Tumors and Sarcoma, Karolinska University Hospital, Stockholm, Sweden
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27
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Shen J, Wu Q, Wang Y. The role of ultrasound in the diagnosis of the coexistence of primary hyperparathyroidism and non-medullary thyroid carcinoma. BMC Med Imaging 2019; 19:7. [PMID: 30658569 PMCID: PMC6339388 DOI: 10.1186/s12880-019-0306-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 01/07/2019] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The coexistence of primary hyperparathyroidism(PHPT) and papillary thyroid cancer(PTC) is a known entity; it is a rare and complicated setting for diagnostic imaging. METHODS After reviewing clinical data of 112 patients who had been treated for PHPT in our facility between January 2015 and December 2017, we identified 7 non-medullary thyroid carcinoma (NMTC) (6.25%). All of them had taken an ultrasound scan and undergone operation. In addition, we have also reviewed relevant reports from other facilities addressing PHPT and NMTC (Mainly PTC). RESULTS The 7 NMTCs were all pathologically confirmed PTC in our study, and they consisted of 6 parathyroid adenomas and 1 parathyroid carcinoma. 1 of the 7 patients had 2 malignant PTC nodules with neck lymph node metastasis, the rest 6 had single-focal PTC. Processing previous report data supported an association between PHPT and PTC, although the coexistence of PHPT and PTC is rare, but it does happen. Ultrasound, as an effective examination, would help screen the simultaneous lesions before operation, thus to avoid second surgery if not observed for both diseases at initial stage. CONCLUSIONS Ultrasound is a necessary choice for preoperative localization, because it has the ability to simultaneously examine the thyroid and parathyroid lesions.
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Affiliation(s)
- Jian Shen
- Department of Ultrasound in Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Institute of Ultrasound in Medicine, 600 Yishan Road, Shanghai, 200233, China
| | - Qiong Wu
- Department of Ultrasound in Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Institute of Ultrasound in Medicine, 600 Yishan Road, Shanghai, 200233, China
| | - Yan Wang
- Department of Ultrasound in Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Institute of Ultrasound in Medicine, 600 Yishan Road, Shanghai, 200233, China.
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28
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Parnell KE, Oltmann SC. The surgical management of primary hyperparathyroidism: an updated review. INTERNATIONAL JOURNAL OF ENDOCRINE ONCOLOGY 2018. [DOI: 10.2217/ije-2017-0019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Patients with primary hyperparathyroidism often present clinically asymptomatic with various biochemical compositions of serum calcium, parathyroid hormone, vitamin D and urinary calcium. Understanding the subtle differences in clinical and biochemical presentations is key for timely diagnosis and referral to an experienced parathyroid surgeon. Surgery remains the only option for cure of primary hyperparathyroidism, which now favors a directed parathyroidectomy with intra-operative adjuncts. However it is important to understand and revise the surgical approach for patients with hereditary conditions or nonlocalizing studies. Revised guidelines from the Fourth International Workshop on the Management of Asymptomatic Primary Hyperparathyroidism in 2013 and the American Association of Endocrine Surgeons in 2016 are reviewed in this paper for an updated review of this condition.
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Affiliation(s)
- Kaela E Parnell
- Department of Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, E6.104B, Dallas, TX 75390–9092, USA
| | - Sarah C Oltmann
- Department of Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, E6.104B, Dallas, TX 75390–9092, USA
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29
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Concomitant thyroid lesions in patients with primary hyperparathyroidism. Asian J Surg 2017; 40:338-344. [DOI: 10.1016/j.asjsur.2015.10.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Revised: 10/28/2015] [Accepted: 10/30/2015] [Indexed: 01/25/2023] Open
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30
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Dikmen K, Bostanci H, Gobut H, Yildiz A, Ertunc O, Celik A, Akin M, Taneri F. Nonfunctional double parathyroid carcinoma with incidental thyroid micropapillary carcinoma: a rare case. Pan Afr Med J 2017; 27:241. [PMID: 28979642 PMCID: PMC5622813 DOI: 10.11604/pamj.2017.27.241.11503] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2016] [Accepted: 07/12/2017] [Indexed: 11/13/2022] Open
Abstract
Parathyroid carcinomas are rare endocrine tumors which comprise 0.3-5.6% of all causes of hyperparathyroidism. 90% of them are hormonally active, while 10% of them may be non-functional. They mostly occur in a single parathyroid gland. Concurrent involvement of both parathyroid glands is quite rare. A 57-year-old male patient was admitted to emergency department with the complaint of dyspnea. Thorax tomography revealed a retrosternal mass. The mass was thoracoscopically excised by thoracic surgeons. Histopathological examination result of the mass was reported as parathyroid carcinoma. Parathyroid scintigraphy performed and focal activity increase in the lower pole of the left lobe. Parathyroid hormone level was 118 pg/ml and calcium level was measured as 11.4 mg/dl. The patient with these findings was operated and pathological examination of excised left lower parathyroid tissue was reported as carcinoma. In addition, micropapillary carcinoma was detected in left thyroid lobectomy specimen.Our case was also unusual in that double parathyroid carcinoma, which is a rare condition, was hormonally inactive. We aimed to present our case in the light of the literature due to its rare occurrence.
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Affiliation(s)
- Kursat Dikmen
- Department of General Surgery, Gazi University Medical Faculty, Ankara, Turkey
| | - Hasan Bostanci
- Department of General Surgery, Gazi University Medical Faculty, Ankara, Turkey
| | - Huseyin Gobut
- Department of General Surgery, Gazi University Medical Faculty, Ankara, Turkey
| | - Alp Yildiz
- Department of General Surgery, Gazi University Medical Faculty, Ankara, Turkey
| | - Onur Ertunc
- Department of Pathology, Gazi University Medical Faculty, Ankara, Turkey
| | - Ali Celik
- Department of Thoracic Surgery, Gazi University Medical Faculty, Ankara, Turkey
| | - Murat Akin
- Department of General Surgery, Gazi University Medical Faculty, Ankara, Turkey
| | - Ferit Taneri
- Department of General Surgery, Gazi University Medical Faculty, Ankara, Turkey
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31
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Wright MC, Jensen K, Mohamed H, Drake C, Mohsin K, Monlezun D, Alsaleh N, Kandil E. Concomitant thyroid disease and primary hyperparathyroidism in patients undergoing parathyroidectomy or thyroidectomy. Gland Surg 2017; 6:368-374. [PMID: 28861377 DOI: 10.21037/gs.2017.04.01] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Thyroid abnormalities have been found intraoperatively during parathyroidectomy and have resulted in concomitant thyroidectomy. The identification of concomitant disease is important prior to primary operation in order to minimize reoperations. This study investigates the incidence of concomitant primary hyperparathyroidism (PHPT) and thyroid nodular disease in patients undergoing thyroidectomy or parathyroidectomy. METHODS We performed a retrospective review of prospectively gathered data for 621 patients who underwent thyroidectomy, parathyroidectomy, or both at Tulane Medical Center. Information obtained included initial referral, initial thyroid stimulating hormone (TSH), initial parathyroid hormone (PTH), fine needle aspiration (FNA) results, ultrasound results, type of operation performed, final diagnosis, and final pathology. RESULTS Among the 400 patients referred primarily for thyroid disease, 13.50% underwent a thyroidectomy and parathyroidectomy (PTX) simultaneously and 10.75% received a final diagnosis of thyroid and concomitant parathyroid disease. Among the 103 patients referred primarily for parathyroid disease, 26.21% underwent a PTX and thyroidectomy and 24.27% received a final diagnosis of both thyroid and parathyroid disease. Patients referred primarily for parathyroid disease were more likely to receive a final diagnosis of both parathyroid and thyroid disease and were more likely to undergo a combined operation. CONCLUSIONS Concomitant thyroid and parathyroid disease occur and preoperative analysis is important to avoid increased complications from reoperations.
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Affiliation(s)
| | - Kelly Jensen
- Tulane University School of Medicine, New Orleans, LA, USA.,School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, USA
| | - Hossam Mohamed
- Tulane University School of Medicine, New Orleans, LA, USA
| | - Carolyn Drake
- Tulane University School of Medicine, New Orleans, LA, USA.,School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, USA
| | - Khuzema Mohsin
- Department of Surgery, Tulane University Medical Center, New Orleans, LA, USA
| | - Dominique Monlezun
- Tulane University School of Medicine, New Orleans, LA, USA.,School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, USA
| | - Nuha Alsaleh
- Division of Endocrine and Oncologic Surgery, Department of Surgery, Tulane University Medical Center, New Orleans, LA, USA.,Department of Surgery, Breast and Endocrine Unit, College of Medicine King Saud University, Riyadh, Saudi Arabia
| | - Emad Kandil
- Division of Endocrine and Oncologic Surgery, Department of Surgery, Tulane University Medical Center, New Orleans, LA, USA
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32
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Alsina J, Alsina R, Gulec S. A Concise Atlas of Thyroid Cancer Next-Generation Sequencing Panel ThyroSeq v.2. Mol Imaging Radionucl Ther 2017; 26:102-117. [PMID: 28117295 PMCID: PMC5283709 DOI: 10.4274/2017.26.suppl.12] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
The next-generation sequencing technology allows high out-put genomic analysis. An innovative assay in thyroid cancer, ThyroSeq® was developed for targeted mutation detection by next generation sequencing technology in fine needle aspiration and tissue samples. ThyroSeq v.2 next generation sequencing panel offers simultaneous sequencing and detection in >1000 hotspots of 14 thyroid cancer-related genes and for 42 types of gene fusions known to occur in thyroid cancer. ThyroSeq is being increasingly used to further narrow the indeterminate category defined by cytology for thyroid nodules. From a surgical perspective, genomic profiling also provides prognostic and predictive information and closely relates to determination of surgical strategy. Both the genomic analysis technology and the informatics for the cancer genome data base are rapidly developing. In this paper, we have gathered existing information on the thyroid cancer-related genes involved in the initiation and progression of thyroid cancer. Our goal is to assemble a glossary for the current ThyroSeq genomic panel that can help elucidate the role genomics play in thyroid cancer oncogenesis.
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Affiliation(s)
| | | | - Seza Gulec
- Florida International University Herbert Wertheim College of Medicine, Departments of Surgery and Nuclear Medicine, Miami, USA, E-mail:
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33
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Xue Y, Ye ZQ, Zhou HW, Shi BM, Yi XH, Zhang KQ. Serum Calcium and Risk of Nonmedullary Thyroid Cancer in Patients with Primary Hyperparathyroidism. Med Sci Monit 2016; 22:4482-4489. [PMID: 27867183 PMCID: PMC5126969 DOI: 10.12659/msm.898138] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Background Clinical cases of nonmedullary thyroid carcinoma (NMTC) in combination with primary hyperparathyroidism (PHPT) have been reported occasionally. However, the clinical characteristics and risk factors of concomitant NMTC in PHPT patients remain unclear. This study aimed to assess the association between PHPT and NMTC, and evaluate the clinical characteristics and risk factors of NMTC in Chinese patients with PHPT. Material/Methods This was a retrospective cohort analysis. We reviewed the medical records of 155 patients who underwent surgery for PHPT in two large medical centers in China between 2009 and 2014. The clinical manifestations, biochemical abnormalities, and histological characteristics of PHPT patients were analyzed. Results Of the 155 patients with PHPT, 58 patients (37.4%) had thyroid nodules and 12 patients (7.7%) were ill with concomitant NMTC. PHPT patients with NMTC demonstrated significantly lower preoperative serum calcium levels compared to PHPT patients with benign thyroid nodules (p<0.05). A significantly negative association between preoperative serum calcium levels and the presence of NMTC was found in PHPT patients (p<0.05). Furthermore, ROC analysis revealed that albumin-corrected serum calcium levels <2.67 mmol/L had good capacity to differentiate the PHPT patients with NMTC from those with benign thyroid nodules. Conclusions Compared with the reported much lower prevalence of thyroid carcinoma in the general population, our results suggest that PHPT might be a risk factor for the malignancy of thyroid nodules; a lower level of serum calcium may predict the existence of NMTC in PHPT patients with thyroid nodules.
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Affiliation(s)
- Ying Xue
- Department of Endocrinology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China (mainland)
| | - Zheng-Qin Ye
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Hong-Wen Zhou
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Bao-Min Shi
- Department of General Surgery, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China (mainland)
| | - Xiang-Hua Yi
- Department of Pathology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China (mainland)
| | - Ke-Qin Zhang
- Department of Endocrinology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China (mainland)
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Kaya C, Tam AA, Dirikoç A, Kılıçyazgan A, Kılıç M, Türkölmez Ş, Ersoy R, Çakır B. Hypocalcemia development in patients operated for primary hyperparathyroidism: Can it be predicted preoperatively? ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2016; 60:465-471. [PMID: 27737322 PMCID: PMC10118644 DOI: 10.1590/2359-3997000000207] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2014] [Accepted: 12/18/2015] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Primary hyperparathyroidism (PHP) is a common endocrine disease, and its most effective treatment is surgery. Postoperative hypocalcemia is a morbidity of parathyroid surgeries, and it may extend hospitalization durations. The purpose of this study is to determine the predictive factors related to the development of hypocalcemia and hungry bone syndrome (HBS) in patients who underwent parathyroidectomy for PHP. MATERIALS AND METHODS Laboratory data comprising parathyroid hormone (PTH), calcium, phosphate, 25-OHD, albumin, magnesium, alkaline phosphatase (ALP), blood urea nitrogen (BUN), and thyroid stimulating hormone (TSH) of the patients were recorded preoperatively, on the 1st and 4th days postoperatively, and in the 6th postoperative month, and their neck ultrasound (US) and bone densitometry data were also recorded. RESULTS Hypocalcemia was seen in 63 patients (38.4%) on the 1st day after parathyroidectomy. Ten patients (6.1%) had permanent hypocalcemia in the 6th month after surgery. Out of the patients who underwent parathyroidectomy for PHP, 22 (13.4%) had HBS. The incidence of postoperative hypocalcemia was higher in patients who underwent parathyroidectomy for PHP, who had parathyroid hyperplasia, and who had osteoporosis. Preoperative PTH, ALP, and BUN values were higher in those patients who developed HBS. Furthermore, HBS was more common in patients who had osteoporosis, who had parathyroid hyperplasia, and who underwent thyroidectomy simultaneously with parathyroidectomy. CONCLUSIONS As a result, patients who have the risk factors for development of hypocalcemia and HBS should be monitored more attentively during the perioperative period.
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Affiliation(s)
- Cafer Kaya
- Ataturk Training and Research Hospital, Turkey
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35
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Surgical treatment of concomitant thyroid and parathyroid disorders: analysis of 4882 cases. Eur Arch Otorhinolaryngol 2016; 274:997-1004. [PMID: 27619822 DOI: 10.1007/s00405-016-4303-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Accepted: 09/08/2016] [Indexed: 10/21/2022]
Abstract
The thyroid gland disease incidence in hyperparathyroidism (HPT) is higher than the incidence of thyroid disease in general population. Likewise, HPT is more frequent in patients primary admitted due to thyroid disease, than in general population. The aim of this study was to determine the incidence and clinical characteristics of concomitant HPT and thyroid disease, based on a single center experience. From 2009 to 2014, a total of 4882 patients underwent thyroidectomy and/or parathyroidectomy at the Center for Endocrine Surgery, Belgrade. We reviewed the database to find out indications for surgery, clinical characteristics, operative and histopathological findings. Out of 4033 patients, who underwent thyroidectomy, in 114 cases (2.8 %) parathyroidectomy was simultaneously performed. Out of these 114 patients, 42 patients (37 %) had normocalcemic HPT. Among 849 patients primary operated due to HPT, thyroid gland disease that required surgery was found in 224 (26.4 %). In patients primary seen for HPT, thyroid cancer was found in 22 (9.8 %), Hashimoto's thyroiditis in 41 (18.3 %) and micropapillary carcinoma in 36 cases (16.1 %). Due to residual or recidivant HPT, 16 patients (15 who primary underwent parathyroidectomy and 1 primary seen for thyroid disease) needed a reoperation. There are a considerable number of patients with concomitant thyroid and parathyroid disease; this justifies the routine analyses of calcemia and PTH level in patients preparing for thyroidectomy, and sets up the ground for the thyroid investigations in HPT.
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Laird AM, Libutti SK. Minimally Invasive Parathyroidectomy Versus Bilateral Neck Exploration for Primary Hyperparathyroidism. Surg Oncol Clin N Am 2016; 25:103-18. [PMID: 26610777 DOI: 10.1016/j.soc.2015.08.012] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Primary hyperparathyroidism is a disease that is caused by excess parathyroid hormone (PTH) secretion from 1 or more of the parathyroid glands. Surgery is the only cure. Traditional surgical management consists of a 4-gland cervical exploration. Development of imaging specific to identification of parathyroid glands and application of the rapid PTH assay to operative management have made more minimal exploration possible. There are distinct advantages and disadvantages of minimally invasive parathyroidectomy (MIP) and bilateral neck exploration (BNE). The advantages of MIP seem to outweigh those of BNE, and MIP has replaced BNE as the operation of choice by many surgeons.
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Affiliation(s)
- Amanda M Laird
- Montefiore Medical Center/Albert Einstein College of Medicine, Greene Medical Arts Pavilion, 3400 Bainbridge Avenue, 4th Floor, Bronx, NY 10467, USA.
| | - Steven K Libutti
- Montefiore Medical Center/Albert Einstein College of Medicine, Greene Medical Arts Pavilion, 3400 Bainbridge Avenue, 4th Floor, Bronx, NY 10467, USA
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37
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Halenka M, Frysak Z, Koranda P, Schovanek J. ULTRASOUND-GUIDED PERCUTANEOUS ETHANOL INJECTION THERAPY IN A 92 YEAR-OLD PATIENT WITH PARATHYROID ADENOMA AND WITH A HISTORY OF TOTAL THYROIDECTOMY FOR PAPILLARY THYROID CARCINOMA. ACTA ENDOCRINOLOGICA-BUCHAREST 2016; 12:349-354. [PMID: 31149113 DOI: 10.4183/aeb.2016.349] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Percutaneous Ethanol Injection Therapy (PEIT) of parathyroid adenoma under ultrasound guidance is individually used as an alternative procedure in management of primary hyperparathyroidism in polymorbid elderly patients with increased surgical risk. The treatment is also suitable for patients who already underwent surgery of the thyroid gland, and any other surgery is associated with a higher risk of postsurgical complications. We present a case of a 92-year-old male patient, who underwent thyroidectomy for papillary thyroid carcinoma three years ago. Part of the regular annual follow-up visits was also ultrasonography, which showed a solitary parathyroid adenoma at the site of the removed thyroid gland. Given the underlying condition, polymorbidity and age of the patient, the PEIT method was successfully used in the therapy. The coincidence of adenoma and papillary thyroid carcinoma is also interesting.
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Affiliation(s)
- M Halenka
- University Hospital - Department of Internal Medicine III - Nephrology, Rheumatology and Endocrinology, Olomouc, Czech Republic
| | - Z Frysak
- University Hospital - Department of Internal Medicine III - Nephrology, Rheumatology and Endocrinology, Olomouc, Czech Republic
| | - P Koranda
- University Hospital - Department of Nuclear Medicine, Olomouc, Czech Republic
| | - J Schovanek
- University Hospital - Department of Internal Medicine III - Nephrology, Rheumatology and Endocrinology, Olomouc, Czech Republic
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Kiernan CM, Schlegel C, Kavalukas S, Isom C, Peters MF, Solórzano CC. Does concomitant thyroidectomy increase risks of parathyroidectomy? J Surg Res 2016; 203:34-9. [DOI: 10.1016/j.jss.2016.03.059] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 03/19/2016] [Accepted: 03/24/2016] [Indexed: 10/22/2022]
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A Rare Case of Concomitant Maxilla and Mandible Brown Tumours, Papillary Thyroid Carcinoma, Parathyroid Adenoma, and Osteitis Fibrosa Cystica. Case Rep Dent 2016; 2016:5320298. [PMID: 26881146 PMCID: PMC4735908 DOI: 10.1155/2016/5320298] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Revised: 12/22/2015] [Accepted: 12/23/2015] [Indexed: 11/26/2022] Open
Abstract
Objective. The brown tumour of hyperparathyroidism is a result of a metabolic disorder caused by primary hyperparathyroidism. Report. We described a case of a 37-year-old female patient presenting bimaxillary intraoral lesions and swelling in the neck. Incisional biopsy of the oral lesion was performed and histopathological examination revealed a central giant cell lesion composed by intense haemorrhagic exudate, abundant presence of giant cells, and areas with hemosiderin pigment. The patient also presented high levels of serum calcium and parathyroid hormone, hyperfunctioning parathyroid tissue, bilateral parenchymal nephropathy, and densitometry lower than expected, showing an advanced stage of osteitis fibrosa cystica. Synchronous parathyroid adenoma and papillary thyroid carcinoma were confirmed by imaging exams and histopathologically. Conclusion. The composition of all the clinical, pathological, and imaging findings led to the final diagnosis of brown tumour of hyperparathyroidism. The occurrence of parathyroid adenoma, papillary thyroid carcinoma, and brown tumours of hyperparathyroidism in their late stage (osteitis fibrosa cystica) associated with oral brown tumours involving the mandible and maxilla is extremely rare.
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Barber B, Moher C, Côté D, Fung E, O'Connell D, Dziegielewski P, Harris J. Comparison of single photon emission CT (SPECT) with SPECT/CT imaging in preoperative localization of parathyroid adenomas: A cost-effectiveness analysis. Head Neck 2016; 38 Suppl 1:E2062-5. [PMID: 26849426 DOI: 10.1002/hed.24379] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 12/04/2015] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND Controversy exists regarding the superiority of single photon emission CT (SPECT)/CT over SPECT for preoperative localization of parathyroid adenomas in primary hyperparathyroidism (PHPT), as well as the cost-effectiveness. METHODS A retrospective review was undertaken of patients undergoing surgery for PHPT from January 2009 to August 2014. Ultrasound and SPECT (ultrasound-SPECT) or SPECT/CT (ultrasound-SPECT/CT) were performed for each patient. Sensitivity and positive predictive value (PPV) of each modality were calculated. Cost-effectiveness was determined by an incremental cost-effectiveness ratio (ICER) analysis. RESULTS Two hundred fifty-nine patients with 266 parathyroid adenomas were included in the study. Lateralization sensitivity and PPV of ultrasound-SPECT were 85.1% and 98.2%, respectively. The lateralization sensitivity and PPV of ultrasound-SPECT/CT were 86.9% and 99.4%, respectively. A cost of $2499.22 (CAD) per additional parathyroid adenoma detection by ultrasound-SPECT/CT was determined from the ICER analysis. CONCLUSION Similar sensitivities and PPVs were observed between ultrasound-SPECT and ultrasound-SPECT/CT in preoperatively lateralizing parathyroid adenomas, with relatively equivalent cost-effectiveness. © 2016 Wiley Periodicals, Inc. Head Neck 38: E2062-E2065, 2016.
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Affiliation(s)
- Brittany Barber
- Division of Otolaryngology - Head and Neck Surgery, University of Alberta, Edmonton, Alberta, Canada
| | - Conrad Moher
- Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - David Côté
- Division of Otolaryngology - Head and Neck Surgery, University of Alberta, Edmonton, Alberta, Canada
| | - Elaine Fung
- Department of Otolaryngology, Queen's University, Kingston, Ontario, Canada
| | - Daniel O'Connell
- Division of Otolaryngology - Head and Neck Surgery, University of Alberta, Edmonton, Alberta, Canada
| | - Peter Dziegielewski
- Division of Head and Neck Oncologic Surgery, University of Florida, Gainesville, Florida
| | - Jeffrey Harris
- Division of Otolaryngology - Head and Neck Surgery, University of Alberta, Edmonton, Alberta, Canada
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Minisola S, Cipriani C, Diacinti D, Tartaglia F, Scillitani A, Pepe J, Scott-Coombes D. Imaging of the parathyroid glands in primary hyperparathyroidism. Eur J Endocrinol 2016; 174:D1-8. [PMID: 26340967 DOI: 10.1530/eje-15-0565] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2015] [Accepted: 09/03/2015] [Indexed: 01/21/2023]
Abstract
Primary hyperparathyroidism (PHPT) is one of the most frequent endocrine diseases worldwide. Surgery is the only potentially curable option for patients with this disorder, even though in asymptomatic patients 50 years of age or older without end organ complications, a conservative treatment may be a possible alternative. Bilateral neck exploration under general anaesthesia has been the standard for the definitive treatment. However, significant improvements in preoperative imaging, together with the implementation of rapid parathyroid hormone determination, have determined an increased implementation of focused, minimally invasive surgical approach. Surgeons prefer to have a localization study before an operation (both in the classical scenario and in the minimally invasive procedure). They are not satisfied by having been referred a patient with just a biochemical diagnosis of PHPT. Imaging studies must not be utilized to make the diagnosis of PHPT. They should be obtained to both assist in determining disease etiology and to guide operative procedures together with the nuclear medicine doctor and, most importantly, with the surgeon. On the contrary, apart from minimally invasive procedures in which localization procedures are an obligate choice, some surgeons believe that literature on parathyroidectomy over the past two decades reveals a bias towards localization. Therefore, surgical expertise is more important than the search for abnormal parathyroid glands.
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Affiliation(s)
- Salvatore Minisola
- Department of Internal Medicine and Medical DisciplinesDepartment of Radiological SciencesOncology and PathologyDepartment of Surgical Sciences"Sapienza" Rome University, Via del Policlinico 155, 00161 Rome, ItalyUnit of Endocrinology"Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Foggia, ItalyDepartment of SurgeryUniversity Hospital of Wales, Heath Park, Cardiff, Wales, UK
| | - Cristiana Cipriani
- Department of Internal Medicine and Medical DisciplinesDepartment of Radiological SciencesOncology and PathologyDepartment of Surgical Sciences"Sapienza" Rome University, Via del Policlinico 155, 00161 Rome, ItalyUnit of Endocrinology"Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Foggia, ItalyDepartment of SurgeryUniversity Hospital of Wales, Heath Park, Cardiff, Wales, UK
| | - Daniele Diacinti
- Department of Internal Medicine and Medical DisciplinesDepartment of Radiological SciencesOncology and PathologyDepartment of Surgical Sciences"Sapienza" Rome University, Via del Policlinico 155, 00161 Rome, ItalyUnit of Endocrinology"Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Foggia, ItalyDepartment of SurgeryUniversity Hospital of Wales, Heath Park, Cardiff, Wales, UK
| | - Francesco Tartaglia
- Department of Internal Medicine and Medical DisciplinesDepartment of Radiological SciencesOncology and PathologyDepartment of Surgical Sciences"Sapienza" Rome University, Via del Policlinico 155, 00161 Rome, ItalyUnit of Endocrinology"Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Foggia, ItalyDepartment of SurgeryUniversity Hospital of Wales, Heath Park, Cardiff, Wales, UK
| | - Alfredo Scillitani
- Department of Internal Medicine and Medical DisciplinesDepartment of Radiological SciencesOncology and PathologyDepartment of Surgical Sciences"Sapienza" Rome University, Via del Policlinico 155, 00161 Rome, ItalyUnit of Endocrinology"Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Foggia, ItalyDepartment of SurgeryUniversity Hospital of Wales, Heath Park, Cardiff, Wales, UK
| | - Jessica Pepe
- Department of Internal Medicine and Medical DisciplinesDepartment of Radiological SciencesOncology and PathologyDepartment of Surgical Sciences"Sapienza" Rome University, Via del Policlinico 155, 00161 Rome, ItalyUnit of Endocrinology"Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Foggia, ItalyDepartment of SurgeryUniversity Hospital of Wales, Heath Park, Cardiff, Wales, UK
| | - David Scott-Coombes
- Department of Internal Medicine and Medical DisciplinesDepartment of Radiological SciencesOncology and PathologyDepartment of Surgical Sciences"Sapienza" Rome University, Via del Policlinico 155, 00161 Rome, ItalyUnit of Endocrinology"Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Foggia, ItalyDepartment of SurgeryUniversity Hospital of Wales, Heath Park, Cardiff, Wales, UK
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Yazici P, Mihmanli M, Bozdag E, Aygun N, Uludag M. Incidental Finding of Papillary Thyroid Carcinoma in the Patients with Primary Hyperparathyroidism. Eurasian J Med 2015; 47:194-8. [PMID: 26644769 DOI: 10.5152/eurasianjmed.2015.119] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE The relationship between primary hyperparathyroidism (pHPT) and papillary thyroid cancer (PTC) still remains unclear. We aimed to investigate the incidence of the co-existence of pHPT and PTC. MATERIALS AND METHODS Between 2010 and 2013, all patients with pHPT were retrospectively reviewed and those undergoing concomitant thyroid surgery were recorded. Of these, patients with a pathological result showing papillary or micro-papillary thyroid cancer were included into the study. A chart review of 228 patients who underwent surgery for pHPT revealed 86 (37.7%) patients with concurrent thyroid disease requiring surgical treatment. RESULTS Thyroid cancer was noted in six female patients (6.9%) undergoing thyroid resection, and 2.6% of all patients with pHPT. Four patients underwent total thyroidectomy while lobectomy was applied in the remaining two. None of the cases with lobectomy required a completion thyroidectomy. CONCLUSION We demonstrated the concurrence of PTC and pHPT at a rate of 2.6% which appeared as a coincidental pathology; however, thyroid disorders, seen in one of three patients with pHPT, were not uncommon. Further research is still needed to develop a reliable explanation for relationship between pHPT and non-medullary thyroid cancer.
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Affiliation(s)
- Pinar Yazici
- Clinic of General Surgery, Şişli Hamidiye Etfal Training and Research Hospital, İstanbul, Turkey
| | - Mehmet Mihmanli
- Clinic of General Surgery, Şişli Hamidiye Etfal Training and Research Hospital, İstanbul, Turkey
| | - Emre Bozdag
- Clinic of General Surgery, Şişli Hamidiye Etfal Training and Research Hospital, İstanbul, Turkey
| | - Nurcihan Aygun
- Clinic of General Surgery, Şişli Hamidiye Etfal Training and Research Hospital, İstanbul, Turkey
| | - Mehmet Uludag
- Clinic of General Surgery, Şişli Hamidiye Etfal Training and Research Hospital, İstanbul, Turkey
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Kim HG, Kim WY, Woo SU, Lee JB, Lee YM. Minimally invasive parathyroidectomy with or without intraoperative parathyroid hormone for primary hyperparathyroidism. Ann Surg Treat Res 2015; 89:111-6. [PMID: 26366379 PMCID: PMC4559612 DOI: 10.4174/astr.2015.89.3.111] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Revised: 03/27/2015] [Accepted: 04/03/2015] [Indexed: 11/30/2022] Open
Abstract
Purpose The improvement of intraoperative parathyroid hormone (IOPTH) assay and localization studies has enabled a minimally invasive parathyroidectomy (MIP) in primary hyperparathyroidism (pHPT). The aim of this study is to analyze the demographics, clinical presentations, and surgical outcomes of the pHPT patients who received surgical management with versus without IOPTH. Methods Analysis of a database was performed on 53 patients who underwent parathyroidectomy for pHPT from 2004 to 2013. Preoperative localization was done by both sestamibi scan and ultrasonography. We divided the patients into two groups (without IOPTH versus with IOPTH) and analyzed the surgical outcomes statistically between two groups. Results The concordance rate of Technetium 99m sestamibi scan and ultrasonography was 73.6% and 90.6%, respectively. The overall cure rate of group 1 (without IOPTH) was 94.9% and that of group 2 (with IOPTH) was 100%. The decline of PTH at postoperative 5 minutes and 10 minutes was 75.2% ± 14.9% and 84.9% ± 8.6% in cured patients. On the other hand, that of noncured patients at 5 minutes and 10 minutes was 17.2% ± 9.7% and 8.2% ± 2.2%. There was a significant difference in the drop rate of IOPTH between cured and persistent patients (P < 0.01). Pathological examination showed adenoma in 41 of 53 patients (77.4%) and hyperplasia in 10 of 53 patients (18.9%). Conclusion Even though the localization studies were successful, IOPTH monitoring is essential to avoid a surgical failure in MIP.
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Affiliation(s)
- Hyun Gu Kim
- Department of Surgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Woo Young Kim
- Department of Surgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Sang Uk Woo
- Department of Surgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Jae Bok Lee
- Department of Surgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Yu-Mi Lee
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Li Q, Pan J, Luo Q, Wang Y, Bao Y, Jia W. The key role of 99mTc-MIBI SPECT/CT in the diagnosis of parathyroid adenoma: a case report. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2015; 59:265-9. [DOI: 10.1590/2359-3997000000048] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2014] [Accepted: 09/25/2014] [Indexed: 11/22/2022]
Affiliation(s)
- Qing Li
- Shanghai Jiao Tong University, China
| | | | | | - Yan Wang
- Shanghai Jiao Tong University, China
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Cinamon U, Levy D, Marom T. Is primary hyperparathyroidism a risk factor for papillary thyroid cancer? An exemplar study and literature review. Int Arch Otorhinolaryngol 2014; 19:42-5. [PMID: 25992150 PMCID: PMC4392524 DOI: 10.1055/s-0034-1396520] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Accepted: 11/04/2014] [Indexed: 10/25/2022] Open
Abstract
Introduction Primary hyperparathyroidism (PHPT) is associated with several cancer types, including papillary thyroid carcinoma (PTC). Objective To explore further the relation between PHPT and PTC. Methods By considering patients with PHPT as extra-suspicious for PTC, we studied an exemplar group of patients with PHPT with a small (≤1 cm) thyroid nodule, which was negative in preoperative cytologic examination. During parathyroidectomy, a frozen section biopsy of the thyroid nodule confirmed PTC, as did the final surgical specimen, revealing that the preoperative cytology was false-negative. Additionally, relevant reports retrieved from the English literature addressing thyroid cancer and hyperparathyroidism were reviewed and processed. Results Four patients with PHPT were studied. Three had a multifocal thyroid disease, and three had neck lymph node metastasis. Processing previous report data supported an association between PHPT and PTC. Although thyroid nodularity among patients with PHPT was similar to the general population, PTC incidence was higher. This was true also for patients with secondary hyperparathyroidism. Conclusions This study emphasized that PHPT should be considered as a noteworthy risk factor for PTC. Fine needle aspiration of a thyroid nodule is the most valuable diagnostic procedure for thyroid cancer. Yet, false-negative results were reported in up to 10% of cases, especially in small, subcentimeter nodules. In line with our data and the literature, patients with PHPT should have both a detailed ultrasound addressing the thyroid and cytology of any thyroid nodule, including small subcentimeter lesions. Moreover, surgical flexibility, allowing intraoperative thyroid nodule sampling, should be considered even for "innocent" nodules.
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Affiliation(s)
- Udi Cinamon
- Department of Otolaryngology, Head and Neck Surgery, Edith Wolfson Medical Center, Holon, Israel
| | - Dalia Levy
- Department of Otolaryngology, Head and Neck Surgery, Edith Wolfson Medical Center, Holon, Israel
| | - Tal Marom
- Department of Otolaryngology, Head and Neck Surgery, Edith Wolfson Medical Center, Holon, Israel
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Riss P, Kammer M, Selberherr A, Scheuba C, Niederle B. Morbidity Associated with Concomitant Thyroid Surgery in Patients with Primary Hyperparathyroidism. Ann Surg Oncol 2014; 22:2707-13. [DOI: 10.1245/s10434-014-4283-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Indexed: 11/18/2022]
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Kutlutürk K, Otan E, Yağcı MA, Usta S, Aydın C, Ünal B. Thyroid pathologies accompanying primary hyperparathyroidism: a high rate of papillary thyroid microcarcinoma. ULUSAL CERRAHI DERGISI 2014; 30:125-8. [PMID: 25931912 DOI: 10.5152/ucd.2014.2685] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2014] [Accepted: 03/28/2014] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Thyroid pathologies and non-medullary thyroid cancer often accompany primary hyperparathyroidism (PHPT). The purpose of this study was to examine the association between thyroid diseases, especially micropapillary thyroid cancer, with PHPT. MATERIAL AND METHODS Data regarding 46 patients who were operated on with a diagnosis of PHPT at Inonu University Faculty of Medicine, General Surgery Clinic between June 2009 and March 2013 were retrospectively analyzed. Age, gender, levels of preoperative calcium, parathyroid hormone and phosphorus, and the histopathological results of the removed parathyroid and thyroid tissues were evaluated. All of the patients had a preoperative diagnosis of PHPT and there was no history of radiation to the head and neck region in any of the patients. RESULTS Out of the 46 patients who were operated on for PHPT, 39 were female and 7 were male. The mean age was 52.8 years (25-76). Simultaneous thyroidectomy was performed in 35 patients (76.1%) due to an accompanying thyroid disorder. Papillary microcarcinoma was detected in 5 of these 35 (10.9%) patients who underwent thyroidectomy, two of which (40%) were multifocal tumors. The benign thyroid pathologies detected in the remaining 30 (65.2%) cases included lymphocytic thyroiditis in 3, Hashimoto thyroiditis in 1, follicular adenoma in 3 (two of which was Hurtle cell), and nodular colloidal goiter in 23 patients. The preoperative serum phosphate level was significantly higher in the group with papillary thyroid microcarcinoma (p=0.013). CONCLUSION In regions where goiter is endemic, thyroid diseases and thyroid papillary microcarcinoma occur in association with PHPT at a higher rate compared to the normal population. Therefore, we believe that patients who are planned for surgery due to PHPT should be thoroughly investigated for the presence of any concomitant malignant thyroid pathologies in the preoperative period. It should also be kept in mind that patients with high blood serum phosphate values may have an increased risk of papillary thyroid microcarcinoma.
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Affiliation(s)
- Koray Kutlutürk
- Department of General Surgery, İnönü University Faculty of Medicine, Malatya, Turkey
| | - Emrah Otan
- Department of General Surgery, İnönü University Faculty of Medicine, Malatya, Turkey
| | - Mehmet Ali Yağcı
- Department of General Surgery, İnönü University Faculty of Medicine, Malatya, Turkey
| | - Sertaç Usta
- Department of General Surgery, İnönü University Faculty of Medicine, Malatya, Turkey
| | - Cemalettin Aydın
- Department of General Surgery, İnönü University Faculty of Medicine, Malatya, Turkey
| | - Bülent Ünal
- Department of General Surgery, İnönü University Faculty of Medicine, Malatya, Turkey
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Denizot A, Grino M, Oliver C. Surgical management of primary hyperparathyroidism in older adults. J Am Geriatr Soc 2014; 62:1759-63. [PMID: 25113865 DOI: 10.1111/jgs.12968] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To compare the feasibility, safety, and outcome of parathyroidectomy in the management of primary hyperparathyroidism (PHPT) in individuals aged 75 and older with that of those younger than 50. DESIGN Retrospective chart review. SETTING Department of Endocrine Surgery, Hospital Paul Desbief (Marseille, France). PARTICIPANTS Individuals who underwent surgery from June 2005 to February 2013 (N = 526) had a clinical examination and laboratory and imaging assessments to diagnose PHPT. MEASUREMENTS The clinical and biochemical characteristics and surgery outcomes of individuals younger than 50 (n = 80) were compared with the characteristics and outcomes of those aged 75 and older (n = 89). RESULTS Most of the participants did not have any specific signs of PHPT, and the diagnosis of PHPT was established in some participants during routine clinical and laboratory examination. Nephrolithiasis and osteitis fibrosa cystica were observed only in the younger group. Urinary calcium decreased with age. Nine participants aged 75 and older did not undergo surgery (four declined, five had medical contraindications). Conventional surgery through transverse cervicotomy was used in the majority of participants. Cure rate was excellent (158/160), with few and reversible minor complications. The coexistence of thyroid lesions was significantly higher in the older (47.5%) than in the younger group (32.3%). Nodules and multinodular goiters were removed in the majority of participants during the parathyroidectomy procedure. CONCLUSION With the exception of a few cases with severe associated comorbidities, parathyroidectomy is safe and curative and should be considered as first-line choice for older adult with PHPT.
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Affiliation(s)
- Anne Denizot
- Department of Endocrine Surgery, European Hospital, Marseille, France
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Lindeman BM, Pesce CE, Tsai HL, Somervell H, Umbricht CB, Kowalski J, Zeiger MA. Lower Vitamin D Levels in Surgical Hyperparathyroidism versus Thyroid Patients. Am Surg 2014. [DOI: 10.1177/000313481408000524] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Low vitamin D levels have been shown to be associated with primary hyperparathyroidism, but it is unclear whether vitamin D deficiency may be an etiologic factor in the development of primary hyperparathyroidism. To investigate this, we compared preoperative vitamin D levels of patients undergoing surgery for primary hyperparathyroidism with those of patients undergoing surgery for benign thyroid disease. With Institutional Review Board approval, data were collected prospectively on patients undergoing parathyroidectomy or thyroidectomy by one surgeon between March 2006 and July 2011. Patients were excluded if they underwent simultaneous thyroid and parathyroid surgery, had secondary or tertiary hyperparathyroidism, if no preoperative vitamin D level was measured, or if they took vitamin D supplements. Inclusion criteria were met by 219 patients who underwent parathyroidectomy and 186 patients who underwent thyroid surgery. Patient age, sex, race, and preoperative vitamin D levels (vitamin D 25-OH; normal, 32 to 100 pg/mL) were collected. Statistical analysis was performed using linear regression. Vitamin D levels were significantly lower in the parathyroid group compared with the thyroid group (23.8 vs 28.5 pg/mL; P < 0.001). This difference was also observed after adjustment for age, sex, and race with a mean difference of 4.87 pg/mL ( P < 0.001). Statistically significant associations between lower vitamin D levels and patients younger than 50 years ( P = 0.048), male sex ( P = 0.03), and nonwhite race were identified ( P < 0.001). Patients with primary hyperparathyroidism are more likely to have lower vitamin D levels than a control surgical population. Further study is needed to determine whether low vitamin D levels may be an etiologic factor associated with the development of hyperparathyroidism.
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Affiliation(s)
- Brenessa M. Lindeman
- Departments of Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Catherine E. Pesce
- Departments of Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Hua-Ling Tsai
- Departments of Biostatistics, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Helina Somervell
- Departments of Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Christopher B. Umbricht
- Departments of Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland
- Departments of Oncology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
- Departments of Pathology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Jeanne Kowalski
- Departments of Biostatistics, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Martha A. Zeiger
- Departments of Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland
- Departments of Oncology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
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Surgeon-driven thyroid interrogation of patients presenting with primary hyperparathyroidism. J Am Coll Surg 2013; 218:674-83. [PMID: 24529807 DOI: 10.1016/j.jamcollsurg.2013.12.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Accepted: 12/13/2013] [Indexed: 11/20/2022]
Abstract
BACKGROUND Primary hyperparathyroidism (pHPT) is an increasingly prevalent disease affecting all age groups. The authors sought to determine the impact of a "thyroid interrogation" practice protocol on the surgical treatment of patients with the diagnosis of pHPT referred to a single surgeon. STUDY DESIGN We performed a retrospective review of prospectively gathered data on parathyroidectomy (PTX) patients undergoing both a prospective clinical thyroid evaluation and thyroid ultrasound between January 2008 and October 2012. RESULTS Only 5.6% of 468 PTX patients were referred to a single surgeon for both parathyroid and thyroid surgical evaluation; 31% of patients had known pre-existing thyroid disease (hypothyroidism most commonly), and 22% of patients had palpable thyroid abnormalities unrecognized in 67% of cases by the referring physician. Of the 468 patients, 2.6% had a history of classic head and neck radiation exposure, 2.6% a history of radio-iodine treatment, and 3% a family history of thyroid cancer. Thyroid abnormalities were found on ultrasound in 61% of patients, and 26% of patients underwent thyroid biopsies. Parathyroid and thyroid surgery was combined for 18.4% of patients; indications included obstructive symptoms (3.2%), hyperthyroidism (0.9%), intraoperative findings (5.1%), and concern for malignancy (9.2%). Malignancy was diagnosed in 23 patients (4.9%), only 8 of whom had been referred for thyroid evaluation. CONCLUSIONS The majority of patients referred for PTX had evidence of thyroid pathology. For an important minority of these patients, benign and malignant disease was identified that merited surgical treatment at the time of PTX. We recommend comprehensive thyroid evaluation of patients referred for PTX.
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