Endocrinology and Metabolism

Review Article

Calcium & bone metabolism
Bone Loss after Solid Organ Transplantation: A Review of Organ-Specific Considerations: Kyoung Jin Kim, Jeonghoon Ha, Sang Wan Kim, Jung-Eun Kim, Sihoon Lee, Han Seok Choi, Namki Hong, Sung Hye Kong, Seong Hee Ahn, So Young Park, Ki-Hyun Baek, on Behalf of Metabolic Bone Disease Study Group of Korean Endocrine Society; Endocrinol Metab. 2024;39(2):267-282. Published online April 25, 2024; DOI: https://doi.org/10.3803/EnM.2024.1939

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Abstract PDF: This review article investigates solid organ transplantation-induced osteoporosis, a critical yet often overlooked issue, emphasizing its significance in post-transplant care. The initial sections provide a comprehensive understanding of the prevalence and multifactorial pathogenesis of transplantation osteoporosis, including factors such as deteriorating post-transplantation health, hormonal changes, and the impact of immunosuppressive medications. Furthermore, the review is dedicated to organ-specific considerations in transplantation osteoporosis, with separate analyses for kidney, liver, heart, and lung transplantations. Each section elucidates the unique challenges and management strategies pertinent to transplantation osteoporosis in relation to each organ type, highlighting the necessity of an organ-specific approach to fully understand the diverse manifestations and implications of transplantation osteoporosis. This review underscores the importance of this topic in transplant medicine, aiming to enhance awareness and knowledge among clinicians and researchers. By comprehensively examining transplantation osteoporosis, this study contributes to the development of improved management and care strategies, ultimately leading to improved patient outcomes in this vulnerable group. This detailed review serves as an essential resource for those involved in the complex multidisciplinary care of transplant recipients.

Original Article

Adrenal Gland
Metabolic Subtyping of Adrenal Tumors: Prospective Multi-Center Cohort Study in Korea: Eu Jeong Ku, Chaelin Lee, Jaeyoon Shim, Sihoon Lee, Kyoung-Ah Kim, Sang Wan Kim, Yumie Rhee, Hyo-Jeong Kim, Jung Soo Lim, Choon Hee Chung, Sung Wan Chun, Soon-Jib Yoo, Ohk-Hyun Ryu, Ho Chan Cho, A Ram Hong, Chang Ho Ahn, Jung Hee Kim, Man Ho Choi; Endocrinol Metab. 2021;36(5):1131-1141. Published online October 21, 2021; DOI: https://doi.org/10.3803/EnM.2021.1149

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Background
Conventional diagnostic approaches for adrenal tumors require multi-step processes, including imaging studies and dynamic hormone tests. Therefore, this study aimed to discriminate adrenal tumors from a single blood sample based on the combination of liquid chromatography-mass spectrometry (LC-MS) and machine learning algorithms in serum profiling of adrenal steroids.
Methods
The LC-MS-based steroid profiling was applied to serum samples obtained from patients with nonfunctioning adenoma (NFA, n=73), Cushing’s syndrome (CS, n=30), and primary aldosteronism (PA, n=40) in a prospective multicenter study of adrenal disease. The decision tree (DT), random forest (RF), and extreme gradient boost (XGBoost) were performed to categorize the subtypes of adrenal tumors.
Results
The CS group showed higher serum levels of 11-deoxycortisol than the NFA group, and increased levels of tetrahydrocortisone (THE), 20α-dihydrocortisol, and 6β-hydroxycortisol were found in the PA group. However, the CS group showed lower levels of dehydroepiandrosterone (DHEA) and its sulfate derivative (DHEA-S) than both the NFA and PA groups. Patients with PA expressed higher serum 18-hydroxycortisol and DHEA but lower THE than NFA patients. The balanced accuracies of DT, RF, and XGBoost for classifying each type were 78%, 96%, and 97%, respectively. In receiver operating characteristics (ROC) analysis for CS, XGBoost, and RF showed a significantly greater diagnostic power than the DT. However, in ROC analysis for PA, only RF exhibited better diagnostic performance than DT.
Conclusion
The combination of LC-MS-based steroid profiling with machine learning algorithms could be a promising one-step diagnostic approach for the classification of adrenal tumor subtypes.

Citations

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Treating Primary Aldosteronism-Induced Hypertension: Novel Approaches and Future Outlooks
Nathan Mullen, James Curneen, Padraig T Donlon, Punit Prakash, Irina Bancos, Mark Gurnell, Michael C Dennedy
Endocrine Reviews.2024; 45(1): 125. CrossRef
Steroid profiling in adrenal disease
Danni Mu, Dandan Sun, Xia Qian, Xiaoli Ma, Ling Qiu, Xinqi Cheng, Songlin Yu
Clinica Chimica Acta.2024; 553: 117749. CrossRef
Serum and hair steroid profiles in patients with nonfunctioning pituitary adenoma undergoing surgery: A prospective observational study
Seung Shin Park, Yong Hwy Kim, Ho Kang, Chang Ho Ahn, Dong Jun Byun, Man Ho Choi, Jung Hee Kim
The Journal of Steroid Biochemistry and Molecular Biology.2023; 230: 106276. CrossRef
Recent Updates on the Management of Adrenal Incidentalomas
Seung Shin Park, Jung Hee Kim
Endocrinology and Metabolism.2023; 38(4): 373. CrossRef
LC-MS based simultaneous profiling of adrenal hormones of steroids, catecholamines, and metanephrines
Jongsung Noh, Chaelin Lee, Jung Hee Kim, Seung Woon Myung, Man Ho Choi
Journal of Lipid Research.2023; 64(11): 100453. CrossRef
2023 Korean Endocrine Society Consensus Guidelines for the Diagnosis and Management of Primary Aldosteronism
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Endocrinology and Metabolism.2023; 38(6): 597. CrossRef
Toward Systems-Level Metabolic Analysis in Endocrine Disorders and Cancer
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Endocrinology and Metabolism.2023; 38(6): 619. CrossRef
Prevalence and Characteristics of Adrenal Tumors in an Unselected Screening Population
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Annals of Internal Medicine.2022; 175(10): 1383. CrossRef

Review Articles

Miscellaneous
Rare PTH Gene Mutations Causing Parathyroid Disorders: A Review: Joon-Hyop Lee, Munkhtugs Davaatseren, Sihoon Lee; Endocrinol Metab. 2020;35(1):64-70. Published online March 19, 2020; DOI: https://doi.org/10.3803/EnM.2020.35.1.64

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Since parathyroid hormone (PTH) was first isolated and its gene (PTH) was sequenced, only eight PTH mutations have been discovered. The C18R mutation in PTH, discovered in 1990, was the first to be reported. This autosomal dominant mutation induces endoplasmic reticulum stress and subsequent apoptosis in parathyroid cells. The next mutation, which was reported in 1992, is associated with exon skipping. The substitution of G with C in the first nucleotide of the second intron results in the exclusion of the second exon; since this exon includes the initiation codon, translation initiation is prevented. An S23P mutation and an S23X mutation at the same residue were reported in 1999 and 2012, respectively. Both mutations resulted in hypoparathyroidism. In 2008, a somatic R83X mutation was detected in a parathyroid adenoma tissue sample collected from a patient with hyperparathyroidism. In 2013, a heterozygous p.Met1_Asp6del mutation was incidentally discovered in a case-control study. Two years later, the R56C mutation was reported; this is the only reported hypoparathyroidism-causing mutation in the mature bioactive part of PTH. In 2017, another heterozygous mutation, M14K, was detected. The discovery of these eight mutations in the PTH gene has provided insights into its function and broadened our understanding of the molecular mechanisms underlying mutation progression. Further attempts to detect other such mutations will help elucidate the functions of PTH in a more sophisticated manner.

Citations

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The Intricacies of Renal Phosphate Reabsorption—An Overview
Valerie Walker
International Journal of Molecular Sciences.2024; 25(9): 4684. CrossRef
Molecular and Clinical Spectrum of Primary Hyperparathyroidism
Smita Jha, William F Simonds
Endocrine Reviews.2023; 44(5): 779. CrossRef
Rare cause of persistent hypocalcaemia in infancy due to PTH gene mutation
Savita Khadse, Vrushali Satish Takalikar, Radha Ghildiyal, Nikhil Shah
BMJ Case Reports.2023; 16(9): e256358. CrossRef
Homozygous Ser-1 to Pro-1 mutation in parathyroid hormone identified in hypocalcemic patients results in secretion of a biologically inactive pro-hormone
Patrick Hanna, Ashok Khatri, Shawn Choi, Severine Brabant, Matti L. Gild, Marie L. Piketty, Bruno Francou, Dominique Prié, John T. Potts, Roderick J. Clifton-Bligh, Agnès Linglart, Thomas J. Gardella, Harald Jüppner
Proceedings of the National Academy of Sciences.2023;[Epub] CrossRef
Genetics of monogenic disorders of calcium and bone metabolism
Paul J. Newey, Fadil M. Hannan, Abbie Wilson, Rajesh V. Thakker
Clinical Endocrinology.2022; 97(4): 483. CrossRef
Homozygous missense variant of PTH (c.166C>T, p.(Arg56Cys)) as the cause of familial isolated hypoparathyroidism in a three-year-old child
Stine Linding Andersen, Anja Lisbeth Frederiksen, Astrid Bruun Rasmussen, Mette Madsen, Ann-Margrethe Rønholt Christensen
Journal of Pediatric Endocrinology and Metabolism.2022; 35(5): 691. CrossRef
Novel PTH Gene Mutations Causing Isolated Hypoparathyroidism
Colin P Hawkes, Jamal M Al Jubeh, Dong Li, Susan E Tucker, Tara Rajiyah, Michael A Levine
The Journal of Clinical Endocrinology & Metabolism.2022; 107(6): e2449. CrossRef

Miscellaneous
Search for Novel Mutational Targets in Human Endocrine Diseases: So Young Park, Myeong Han Seo, Sihoon Lee; Endocrinol Metab. 2019;34(1):23-28. Published online March 21, 2019; DOI: https://doi.org/10.3803/EnM.2019.34.1.23

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Abstract PDF PubReader ePub: The identification of disease-causing genetic variations is an important goal in the field of genetics. Advancements in genetic technology have changed scientific knowledge and made it possible to determine the basic mechanism and pathogenesis of human disorders rapidly. Many endocrine disorders are caused by genetic variations of a single gene or by mixed genetic factors. Various genetic testing methods are currently available, enabling a more precise diagnosis of many endocrine disorders and facilitating the development of a concrete therapeutic plan. In this review article, we discuss genetic testing technologies for genetic endocrine disorders, with relevant examples. We additionally describe our research on implementing genetic analysis strategies to identify novel causal mutations in hypocalcemia-related disorders.

Original Article

Miscellaneous
Novel Mutation in PTHLH Related to Brachydactyly Type E2 Initially Confused with Unclassical Pseudopseudohypoparathyroidism: Jihong Bae, Hong Seok Choi, So Young Park, Do-Eun Lee, Sihoon Lee; Endocrinol Metab. 2018;33(2):252-259. Published online June 21, 2018; DOI: https://doi.org/10.3803/EnM.2018.33.2.252

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Background

Autosomal-dominant brachydactyly type E is a congenital abnormality characterized by small hands and feet, which is a consequence of shortened metacarpals and metatarsals. We recently encountered a young gentleman exhibiting shortening of 4th and 5th fingers and toes. Initially, we suspected him having pseudopseudohypoparathyroidism (PPHP) because of normal biochemical parameters, including electrolyte, Ca, P, and parathyroid hormone (PTH) levels; however, his mother and maternal grandmother had the same conditions in their hands and feet. Furthermore, his mother showed normal biochemical parameters. To the best of our knowledge, PPHP is inherited via a mutated paternal allele, owing to the paternal imprinting of GNAS (guanine nucleotide binding protein, alpha stimulating) in the renal proximal tubule. Therefore, we decided to further analyze the genetic background in this family.

Methods

Whole exome sequencing was performed using genomic DNA from the affected mother, son, and the unaffected father as a negative control.

Results

We selected the intersection between 45,490 variants from the mother and 45,646 variants from the son and excluded 27,512 overlapping variants identified from the father. By excluding homogenous and compound heterozygous variants and removing all previously reported variants, 147 variants were identified to be shared by the mother and son. Variants that had least proximities among species were excluded and finally 23 variants remained.

Conclusion

Among them, we identified a defect in parathyroid hormone like hormone (PTHLH), encoding the PTH-related protein, to be disease-causative. Herein, we report a family affected with brachydactyly type E2 caused by a novel PTHLH mutation, which was confused with PPHP with unclassical genetic penetrance.

Citations

Citations to this article as recorded by

A novel heterozygous mutation in PTHLH causing autosomal dominant brachydactyly type E complicated with short stature
Jian Sun, Nian Yang, Zhengquan Xu, Hongbo Cheng, Xiangxin Zhang
Molecular Genetics & Genomic Medicine.2024;[Epub] CrossRef
A novel mutation in PTHLH in a family with a variable phenotype with brachydactyly, short stature, oligodontia and developmental delay
Mirjam E.A. Scheffer-Rath, Hermine E. Veenstra-Knol, Annemieke M. Boot
Bone Reports.2023; 19: 101699. CrossRef
Bioactive phytoconstituents as potent inhibitors of casein kinase-2: dual implications in cancer and COVID-19 therapeutics
Farah Anjum, Md Nayab Sulaimani, Alaa Shafie, Taj Mohammad, Ghulam Md. Ashraf, Anwar L. Bilgrami, Fahad A. Alhumaydhi, Suliman A. Alsagaby, Dharmendra Kumar Yadav, Md. Imtaiyaz Hassan
RSC Advances.2022; 12(13): 7872. CrossRef
Characterization and expression profiling of G protein-coupled receptors (GPCRs) in Spodoptera litura (Lepidoptera: Noctuidae)
Yanxiao Li, Han Gao, Hui Zhang, Runnan Yu, Fan Feng, Jing Tang, Bin Li
Comparative Biochemistry and Physiology Part D: Genomics and Proteomics.2022; 44: 101018. CrossRef
Genes with specificity for expression in the round cell layer of the growth plate are enriched in genomewide association study (GWAS) of human height
Nora E. Renthal, Priyanka Nakka, John M. Baronas, Henry M. Kronenberg, Joel N. Hirschhorn
Journal of Bone and Mineral Research.2020; 36(12): 2300. CrossRef
Search for Novel Mutational Targets in Human Endocrine Diseases
So Young Park, Myeong Han Seo, Sihoon Lee
Endocrinology and Metabolism.2019; 34(1): 23. CrossRef
A Heterozygous Splice-Site Mutation in PTHLH Causes Autosomal Dominant Shortening of Metacarpals and Metatarsals
Monica Reyes, Bert Bravenboer, Harald Jüppner
Journal of Bone and Mineral Research.2019; 34(3): 482. CrossRef
A 3.06-Mb interstitial deletion on 12p11.22-12.1 caused brachydactyly type E combined with pectus carinatum
Jia Huang, Hong-Yan Liu, Rong-Rong Wang, Hai Xiao, Dong Wu, Tao Li, Ying-Hai Jiang, Xue Zhang
Chinese Medical Journal.2019; 132(14): 1681. CrossRef
Parathyroid Hormone-Related Protein in the Hand or Out of Hand?
Sang Wan Kim
Endocrinology and Metabolism.2018; 33(2): 202. CrossRef

Letter

Thyroid
Letter: Insufficient Experience in Thyroid Fine-Needle Aspiration Leads to Misdiagnosis of Thyroid Cancer (Endocrinol Metab 2014;29:293-9, Jung Il Son et al.): Hyon-Seung Yi, Sihoon Lee; Endocrinol Metab. 2014;29(4):590-591. Published online December 29, 2014; DOI: https://doi.org/10.3803/EnM.2014.29.4.590

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Original Article

Adrenal gland
Genetic Analysis of Multiple Endocrine Neoplasia Type 1 (MEN1) Leads to Misdiagnosis of an Extremely Rare Presentation of Intrasellar Cavernous Hemangioma as MEN1: Dong Min Lee, Seung Hee Yu, Hyun Hwa Yoon, Kang Lock Lee, Young Sil Eom, Kiyoung Lee, Byung-Joon Kim, Yeun Sun Kim, Ie Byung Park, Kwang-Won Kim, Sihoon Lee; Endocrinol Metab. 2014;29(2):146-153. Published online June 26, 2014; DOI: https://doi.org/10.3803/EnM.2014.29.2.146

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Background

Multiple endocrine neoplasia type 1 (MEN1) is a rare inherited disorder characterized by the simultaneous occurrence of endocrine tumors in target tissues (mainly the pituitary, endocrine pancreas, and parathyroid glands). MEN1 is caused by mutations in the MEN1 gene, which functions as a tumor suppressor and consists of one untranslated exon and nine exons encoding the menin protein. This condition is usually suspected when we encounter patients diagnosed with tumors in multiple endocrine organs, as mentioned above.

Methods

A 65-year-old woman who underwent surgery for a pancreatic tumor (serous cystadenoma) 5 years previously was referred to our hospital due to neurologic symptoms of diplopia and left ptosis. Brain magnetic resonance imaging revealed a 3.4-cm lesion originating from the cavernous sinus wall and extending into the sellar region. It was thought to be a nonfunctioning tumor from the results of the combined pituitary function test. Incidentally, we found that she also had a pancreatic tumor, indicating the necessity of genetic analysis for MEN1.

Results

Genomic analysis using peripheral leukocytes revealed a heterozygous c.1621G>A mutation in the MEN1 gene that was previously reported to be either a pathogenic mutation or a simple polymorphism. We pursued a stereotactic approach to the pituitary lesion, and microscopic findings of the tumor revealed it to be an intrasellar cavernous hemangioma, a rare finding in the sellar region and even rarer in relation to oculomotor palsy. The patient recovered well from surgery, but refused further evaluation for the pancreatic lesion.

Conclusion

There is great emphasis placed on genetic testing in the diagnosis of MEN1, but herein we report a case where it did not assist in diagnosis, hence, further discussion on the role of genetic testing in this disease is needed. Also, in cases of pituitary tumor with cranial nerve palsy, despite its low prevalence, intrasellar cavernous hemangioma could be suspected.

Citations

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Diffuse cavernous hemangioma of the skull misdiagnosed as skull metastasis in breast cancer patient: one case report and literature review
Huizhi Liu, Xiaojing Chang, Hua Shang, Feng Li, Huandi Zhou, Xiaoying Xue
BMC Cancer.2019;[Epub] CrossRef
Articles in 'Endocrinology and Metabolism' in 2014
Won-Young Lee
Endocrinology and Metabolism.2015; 30(1): 47. CrossRef

Case Reports

A Case of the Type B Insulin Resistance Syndrome with Chronic Hepatitis B.: Hyun Seok Choi, Byoung Ho Choi, Seok Hoo Jeong, Shung Han Choi, Dong Su Shin, Sei hyun Kim, Young Sil Eom, Sihoon Lee, Yeun Sun Kim, Ie Byung Park, Ki Young Lee; Endocrinol Metab. 2011;26(4):360-363. Published online December 1, 2011; DOI: https://doi.org/10.3803/EnM.2011.26.4.360

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Abstract PDF: Type B insulin resistance syndrome is rare autoimmune disease that is characterized by various abnormalities of glycemic homeostasis, from hyperglycemia caused by extreme insulin resistance to fasting hypoglycemia. It can combine with other autoimmune diseases, most commonly systemic lupus erythematosus. It usually occurs in women and accompanies acanthosis nigricans, hyperandrogenism, and, in many cases, ovary dysfunction. The diagnosis of type B insulin resistance syndrome is based largely on the presence of insulin receptor autoantibodies and hyperglycemia, or hypoglycemia and hyperinsulinemia. In some cases, patients with the type B insulin resistance have been successfully treated with immunosuppressive therapy and plasmapheresis. We experienced type B insulin resistance syndrome in a patient with chronic hepatitis B and used only plasmapheresis for treatment. The immunosuppressive therapy was omitted due to the state of activation of chronic hepatitis B. We present this case with a review of relevant literature.

A Case of Ascites and Extensive Abdominal Distension Caused by Reversible Pulmonary Arterial Hypertension Associated with Graves' Disease.: Byoungho Choi, Young Sil Eom, Sei Hyun Kim, Hyun Seok Choi, Wook Jin Chung, Sihoon Lee; Endocrinol Metab. 2011;26(3):248-252. Published online September 1, 2011; DOI: https://doi.org/10.3803/EnM.2011.26.3.248

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Abstract PDF

Patients with hyperthyroidism can develop left ventricular dysfunction and heart failure, but severe pulmonary hypertension association with hyperthyroidism is rarely seen. Herein, we describe the case of a 27-year-old female who presented with abdominal distension accompanied by pulmonary arterial hypertension and Graves' disease. Her pulmonary arterial hypertension was improved by treating the hyperthyroidism and pulmonary artery hypertension. Additionally, the patient's symptoms of right-side heart failure improved after pulmonary arterial pressure was reduced. Hyperthyroidism should be regarded as a reversible cause of associated pulmonary arterial hypertension.

Citations

Citations to this article as recorded by

A Case of Pulmonary Hypertension Recurred by Graves’ Disease
Jun Seop Lee, Young Sik Choi, Jae Woo Lee, Jin Seok Yoo, Youn Jung Choi, Dong Hyun Park
Kosin Medical Journal.2013; 28(2): 171. CrossRef

Editorial

Genome-Based Approaches in Endocrinology and Metabolism: From Clinical and Research Aspects.: Sihoon Lee; Endocrinol Metab. 2011;26(3):208-209. Published online September 1, 2011; DOI: https://doi.org/10.3803/EnM.2011.26.3.208

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Abstract PDF: No abstract available.

Case Reports

Mutational Analysis of the NF1 Gene in Two Families with Neurofibromatosis 1 Accompanied by Pheochromocytoma.: Hyon Seung Yi, Sei Hyun Kim, Jihoon Kim, Eun Jin Bae, Suntaek Hong, Ie Byung Park, Yu Jin Kim, Sihoon Lee; Endocrinol Metab. 2011;26(2):177-184. Published online June 1, 2011; DOI: https://doi.org/10.3803/EnM.2011.26.2.177

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Abstract PDF

Neurofibromatosis type 1 (NF1) is one of the most common autosomal dominant inherited disorders affecting the nervous system. NF1 is associated with mutations in the NF1 gene, which is located on chromosome sub-band 17q11.2 and contains 57 exons spanning approximately 300 kb of genomic DNA. NF1 is caused by a loss of function mutation of the NF1 gene, a tumor suppressor gene, which encodes for neurofibromin, a GTPase-activating protein (GAP) involved in the negative regulation of Ras activity. The GAP-related domain, which is encoded for by exons 20-27a, is one of the most important functional domains in neurofibromin. The cysteine-serine-rich domain has been recognized as an important functional domain in NF1-related pheochromocytomas. As the result of many genetic analyses of NF1-related pheochromocytomas, pheochromocytoma has generally been recognized as a true component of NF1. We recently experienced two families with NF1 accompanied by pheochromocytoma. The proband of family 1 is a 31-year-old female diagnosed with NF1 and pheochromocytoma. Gene analysis of the proband and her sister showed that the mutation of the NF1 gene (c.7907+1G>A) led to the skipping of exon 53 during NF1 mRNA splicing. The proband of family 2 is a 48-year-old male who was diagnosed with the same condition. Gene analysis demonstrated the mutation of the NF1 gene (c.5206-8C>G) with missplicing of exon 37. These novel germline mutations did not fall into the GAP-related nor the cysteine-serine-rich domains, but into the C-terminal area of the NF1 gene. This suggests that the correlation between the genotype and phenotype of NF1-related pheochromocytoma is somewhat difficult to characterize. Further studies will be necessary to confirm the function of the C-terminal area of the NF1 gene and its contribution to the development of NF1 and pheochromocytoma.

Citations

Citations to this article as recorded by

Mutation Spectrum of NF1 and Clinical Characteristics in 78 Korean Patients With Neurofibromatosis Type 1
Jung Min Ko, Young Bae Sohn, Seon Yong Jeong, Hyon-Ju Kim, Ludwine M. Messiaen
Pediatric Neurology.2013; 48(6): 447. CrossRef
Oncologic manifestations of neurofibromatosis type 1 in Korea
Eui Tae Kim, Hwan Namgung, Hyun Deok Shin, Soon Il Lee, Jee Eun Kwon, Myung Chul Chang, Dong Guk Park
Journal of the Korean Surgical Society.2012; 82(4): 205. CrossRef

A Case of Primary Hyperparathyroidism Caused by Solitary Parathyroid Adenoma That was Not Detected by Both Ultrasonography and Sestamibi Scan.: Kyong Yong Oh, Byoungho Choi, Yukyung Lee, Do Hwan Kim, Hyon Seung Yi, Kwang Jun Kim, Sihoon Lee, Sung Kil Lim; Endocrinol Metab. 2011;26(2):166-170. Published online June 1, 2011; DOI: https://doi.org/10.3803/EnM.2011.26.2.166

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Abstract PDF

Thanks to advances in assay techniques and routine measurements in serum chemical analysis, primary hyperparathyroidism has become far more frequently detected, and the number of asymptomatic patients has substantially increased. In the majority of patients (85%), a solitary adenoma is the underlying cause of primary hyperparathyroidism. Surgical excision is the treatment of choice for most cases of primary hyperparathyroidism; this procedure has a relatively high success rate. In the past decade, improvements in preoperative imaging have played a major role in a targeted operative approach, which allows for minimally invasive surgery to be performed. The success of parathyroid surgery depends on the accurate preoperative localization of parathyroid adenoma. In this study, we report the case of a 54 year-old woman with primary hyperparathyroidism who presented with left buttock and leg pain. For localization of the parathyroid lesion, an ultrasonography and a 99mTc-sestamibi scan were initially performed, but these attempts failed to localize the lesion. We then carried out contrast-enhanced CT; thereafter, a single parathyroid adenoma was detected. Therefore, in patients with negative results on both ultrasonography and 99mTc-sestamibi scan, contrast-enhanced CT may prove helpful for preoperative parathyroid localization.

Citations

Citations to this article as recorded by

Primary Hyperparathyroidism with Ectopic Parathyroid Adenoma Detected by Both99mTc-MIBI SPECT and Contrast-Enhanced Neck CT
Hye Jin Lim, Dong Geum Shin, Jun Bong Kim, Jin Taek Kim, Hyo Jeong Kim, Man Sil Park, Ho Jeong Lee
Korean Journal of Medicine.2012; 83(5): 641. CrossRef

A Case of Aldosterone-secreting Adrenocortical Carcinoma.: Byoungho Choi, Sihoon Lee; Endocrinol Metab. 2011;26(1):36-37. Published online March 1, 2011; DOI: https://doi.org/10.3803/EnM.2011.26.1.36

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Abstract PDF: No abstract available.

Review Article

Molecular Understanding and Assessment of Hypoparathyroidism.: Hyon Seung Yi, Byoungho Choi, Sihoon Lee; Endocrinol Metab. 2011;26(1):25-32. Published online March 1, 2011; DOI: https://doi.org/10.3803/EnM.2011.26.1.25

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Abstract PDF

No abstract available.

Citations

Citations to this article as recorded by

Genetic and Clinical Characteristics of Korean Patients with Isolated Hypoparathyroidism: From the Korean Hypopara Registry Study
So Young Park, Young Sil Eom, Byoungho Choi, Hyon-Seung Yi, Seung-Hee Yu, Kiyoung Lee, Hyun-Seok Jin, Yoon-Sok Chung, Tae Sik Jung, Sihoon Lee
Journal of Korean Medical Science.2013; 28(10): 1489. CrossRef

Case Report

A Case of Adrenal Actinomycosis that Mimicked a Huge Adrenal Tumor.: Eui Joo Kim, Hyon Seung Yi, Inku Yo, Sanghui Park, Kyoung Min Kim, Yoon Soo Park, Sihoon Lee, Yeun Sun Kim, Ie Byung Park; Endocrinol Metab. 2010;25(2):147-151. Published online June 1, 2010; DOI: https://doi.org/10.3803/EnM.2010.25.2.147

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Abstract PDF

The incidence of adrenal incidentalomas has increased because imaging studies are now being more frequently performed, including abdominal sonography, CT and MRI. Although there is only a consensus on the treatment of adrenal incidentalomas from the National Institute of Health (NIH) conference 2003, it is generally accepted that surgical resection is required if there's any possibility of malignancy or functionality of the adrenal tumor. Abdominopelvic actinomycosis is a rare chronic progressive suppurative disease that is caused by gram-positive bacteria of the genus actinomyces, which is part of the normal flora of the oral cavity and gastrointestinal tract, with low virulence. Herein, we report on a case of adrenal actinomycosis that imitated a huge adrenal tumor in a 39-year-old women, and the adrenal actinomycosis was confirmed histologically only after adrenalectomy. To the best of our knowledge, this is the first Korean case report on actinomycosis that occurred in the adrenal gland.

Citations

Citations to this article as recorded by

Masking and misleading: concomitant actinomycosis and B-cell lymphoma – a case report and review of literature
Jo Anne Lim, Peng Shyan Wong, Kar Nim Leong, Kar Loon Wong, Ting Soo Chow
Scottish Medical Journal.2018; 63(4): 125. CrossRef

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