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1.
Kosin Medical Journal ; : 213-219, 2022.
Article in English | WPRIM | ID: wpr-968311

ABSTRACT

Background@#Postsurgical hypocalcemia is the most common and troublesome consequence of thyroidectomy. We investigated the potential role of routine calcium or vitamin D supplementation in preventing postsurgical hypocalcemia. @*Methods@#We searched MEDLINE and Embase for English-language publications using the keywords “calcium,” “vitamin D,” and “thyroid cancer.” The primary outcome was any postoperative hypocalcemia, and the secondary outcome was symptomatic hypocalcemia. @*Results@#Four studies that included 381 patients were eligible for this meta-analysis. A random-effects model showed no significant difference in the occurrence of hypocalcemia between calcium/vitamin D treatment and placeboo treatment. However, the occurrence of symptomatic hypocalcemia was lower in patients with calcium/vitamin D treatment. In the combined results, preoperative calcium and vitamin D supplementation were associated with a reduced incidence of symptomatic hypocalcemia. @*Conclusions@#Our findings support the use of preoperative calcium and vitamin D supplementation in conjunction with routine postsurgical supplementation for patients after total thyroidectomy.

2.
Article in English | WPRIM | ID: wpr-874686

ABSTRACT

Background@#and Purpose We investigated 18F-fluorodeoxyglucose (FDG) uptake levels in the lumbar vertebrae, liver, and spleen of stroke patients with carotid atherosclerosis. @*Methods@#This study analyzed acute ischemic stroke patients with carotid atherosclerosis who underwent whole-body FDG positron-emission tomography between October 2015 and January 2017. FDG uptake in the lumbar vertebrae, liver, and spleen was measured and compared between stroke patients and control subjects without stroke history. Multivariate linear regression analysis was performed to identify independent factors related to FDG uptake in the proximal internal carotid artery (ICA). @*Results@#Twenty stroke patients aged 75.1±9.0 years (mean±standard deviation; 10 females) and 20 control subjects aged 62.9±10.7 years (6 females) were included. In comparison with the control group, the stroke group showed significantly higher FDG uptake in the proximal ICA (1.16±0.26 vs. 0.87±0.19, p<0.01), but significantly lower FDG uptake in the lumbar vertebrae (1.09±0.26 vs. 1.38±0.38, p=0.007) and liver (1.71±0.30 vs. 2.01±0.34, p=0.005). Multivariate linear regression analysis showed that the lumbar FDG uptake was negatively correlated with FDG uptake in the proximal ICA (standardized coefficient=-0.367, p=0.013) after adjusting for age and hypertension. @*Conclusions@#Stroke patients showed decreased FDG uptake in the lumbar vertebrae. Further studies are warranted to evaluate the pathophysiological link between cerebral atherosclerosis and bone.

3.
Article in 0 | WPRIM | ID: wpr-836081

ABSTRACT

Atherosclerosis is the leading cause of life-threatening morbidity and mortality, as the rupture of atherosclerotic plaques leads to critical atherothrombotic events such as myocardial infarction and ischemic stroke, which are the 2 most common causes of death worldwide. Vascular calcification is a complicated pathological process involved in atherosclerosis, and microcalcifications are presumed to increase the likelihood of plaque rupture. Despite many efforts to develop novel non-invasive diagnostic modalities, diagnostic techniques are still limited, especially before symptomatic presentation. From this point of view, vulnerable plaques are a direct target of atherosclerosis imaging. Anatomic imaging modalities have the limitation of only visualizing macroscopic structural changes, which occurs in later stages of disease, while molecular imaging modalities are able to detect microscopic processes and microcalcifications, which occur early in the disease process.Na[ 18 F]-fluoride positron emission tomography/computed tomography could allow the early detection of plaque instability, which is deemed to be a primary goal in the prevention of cardiac or brain ischemic events, by quantifying the microcalcifications within vulnerable plaques and evaluating the atherosclerotic disease burden.

4.
Article in 0 | WPRIM | ID: wpr-832389

ABSTRACT

Background@#The aim of this study was to develop a scoring system to stratify the risk of papillary thyroid cancer (PTC) and to select the proper management. @*Methods@#We performed a systematic search of MEDLINE and Embase. Data regarding patients’ prognoses were obtained from the included studies. Odds ratios (ORs) with statistical significance were extracted from the publications. To generate a risk scoring system (RSS), ORs were summed (RSS1), and summed after natural-logarithmic transformation (RSS2). RSS1 and RSS2 were compared to the eighth edition of the American Joint Committee on Cancer (AJCC) staging system and the 2015 American Thyroid Association (ATA) guidelines for thyroid nodules and differentiated thyroid carcinoma. @*Results@#Five meta-analyses were eligible for inclusion in the study. Eight variables (sex, tumour size, extrathyroidal extension, BRAF mutation, TERT mutation, histologic subtype, lymph node metastasis, and distant metastasis) were included. RSS1 was the best of the analysed models. @*Conclusion@#We developed and validated a new RSS derived from previous meta-analyses for patients with PTC. This RSS seems to be superior to previously published systems.

5.
Article in English | WPRIM | ID: wpr-765662

ABSTRACT

OBJECTIVE: The objective of this study was to analyze uptake patterns and intensity of ¹⁸F-fluorodeoxyglucose (FDG) and ¹⁸F-sodium fluoride (NaF) radioligands in carotid atheroma among stroke patients according to carotid atheroma characteristics. METHODS: Between September 2015 and January 2017, consecutive acute stroke or transient ischemic attack patients with 50% or more proximal internal carotid artery stenosis on brain computed tomography angiography were prospectively enrolled. All patients received FDG and NaF positron emission tomography (PET) evaluation when their neurological status was stabilized. Uptake values of FDG and NaF were compared by target to blood ratio (TBR) according to the calcification burden, atheroma volume and the presence of a necrotic core of carotid atheroma. RESULTS: A total of 18 patients with 36 carotid arteries were finally enrolled, with 10 patients diagnosed as acute cerebral infarction due to symptomatic carotid stenosis. FDG uptake at symptomatic carotid arteries was significantly more increased than that at asymptomatic arteries (TBR: 1.17±0.23 vs. 1.01±0.15, Mann-Whitney U-test, p=0.02), but NaF uptake was not different (TBR: 1.38±0.49 vs. 1.51±0.40, p=0.40). In terms of calcification degree, NaF uptake increased as calcification burden increased (none, 1.28±0.36; spotty, 1.29±0.29; linear, 1.74±0.44; analysis of variance, p=0.02). CONCLUSION: Carotid evaluation by FDG is superior to NaF PET in the detection of symptomatic carotid atherosclerosis among stroke patients. NaF PET uptake reflects the overall calcification burden.


Subject(s)
Humans , Angiography , Arteries , Atherosclerosis , Brain , Carotid Arteries , Carotid Artery Diseases , Carotid Stenosis , Cerebral Infarction , Electrons , Fluorides , Glucose , Ischemic Attack, Transient , Plaque, Atherosclerotic , Positron-Emission Tomography , Prospective Studies , Stroke
6.
Yonsei med. j ; Yonsei med. j;: 787-792, 2018.
Article in English | WPRIM | ID: wpr-716424

ABSTRACT

PURPOSE: The present study investigated associations between dopamine transporter (DAT) availability and α-synuclein levels in cerebrospinal fluid, as well as synuclein gene (SNCA) transcripts, and the effect of single nucleotide polymorphism of SNCA on DAT availability in healthy subjects. MATERIALS AND METHODS: The study population comprised healthy controls who underwent 123I-FP-CIT single-photon emission computed tomography screening. Five SNCA probes were used to target the boundaries of exon 3 and exon 4 (SNCA-E3E4), transcripts with a long 3′UTR region (SNCA-3UTR-1, SNCA-3UTR-2), transcripts that skip exon 5 (SNCA-E4E6), and the rare short transcript isoforms that comprise exons 1–4 (SNCA-007). RESULTS: In total, 123 healthy subjects (male 75, female 48) were included in this study. DAT availability in the caudate nucleus (p=0.0661) and putamen (p=0.0739) tended to differ according to rs3910105 genotype. In post-hoc analysis, DAT availability in the putamen was lower in subjects of TT genotype than those of CC/CT (p=0.0317). DAT availability in the caudate nucleus also showed a trend similar to that in the putamen (p=0.0597). Subjects of CT genotype with rs3910105 showed negative correlations with DAT availability in the putamen with SNCA-E3E4 (p=0.037, rho=−0.277), and SNCA-E4E6 (p=0.042, rho=−0.270), but not those of CC/TT genotypes. CONCLUSION: This is the first study to investigate the association of rs3910105 in SNCA with DAT availability. rs3910105 had an effect on DAT availability, and the correlation between DAT availability and SNCA transcripts were significant in CT genotypes of rs3910105.


Subject(s)
Female , Humans , Biomarkers , Caudate Nucleus , Cerebrospinal Fluid , Dopamine Plasma Membrane Transport Proteins , Dopamine , Exons , Genotype , Healthy Volunteers , Mass Screening , Polymorphism, Single Nucleotide , Protein Isoforms , Putamen , Synucleins , Tomography, Emission-Computed
7.
Journal of Breast Disease ; (2): 76-81, 2017.
Article in English | WPRIM | ID: wpr-648270

ABSTRACT

PURPOSE: Accurate preoperative detection by radiologic assessment is necessary to specifically identify patients with at least three positive nodes, who can directly undergo axillary lymph node (ALN) dissection, and avoid unnecessary surgical procedures. We evaluated the usefulness of the standardized uptake value (SUV) ratio of ALN in primary breast tumor, using 18F-fluorodeoxyglucose positron emission tomography (FDG-PET)/computed tomography (CT) and magnetic resonance imaging (MRI) to predict the necessity of ALN dissection during breast cancer surgery. METHODS: In this retrospective study we enrolled 316 consecutive patients with invasive breast cancer. The SUV ratio of ALN to primary breast tumor uptake was calculated. Optimal cutoff values were determined by receiver operating characteristic curve analysis for predicting the presence of ≥3 ALN metastases. Diagnostic performance of FDG-PET and MRI features for the prediction of ≥3 ALN metastases were determined by sensitivity, specificity, and diagnostic odds ratio (DOR). A subgroup analysis for FDG-avid tumors was also performed. RESULTS: Of the 316 patients, 36 (11.4%) showed involvement of ≥3 ALNs, with 101 (32%) having at least one metastatic lymph node. Axillary 18F-FDG uptake was positive in 75 patients (23.7%), and the optimal ratio of maximum SUV of axillary lymph node and primary tumor for determining ALN dissection was 0.3. MRI scans revealed suspicious ALN involvement in 147 patients (46.6%). The sensitivity and specificity of MRI detection were 88.9% and 56.2%, respectively, while for SUVLN/T ratio, they were 69.4% and 86.8%, respectively. DOR values for MRI and SUVLN/T ratio were 10.37 and 9.7, respectively. The area under the curve (AUC) was improved to 0.896 (95% confidence interval [CI], 0.817–0.975) for the SUVLN/T ratio in patients with FDG-avid primary tumors (FDG ≥3.9, n=108), but the MRI AUC was worsened (0.681; 95% CI, 0.569–0.793). The DOR, sensitivity, and specificity for the SUVLN/T ratio of FDG-avid cancers were 25.68, 89.0% and 86.0%, respectively. CONCLUSION: SUVLN/T ratio outperformed MRI features in predicting the need for ALN dissection in FDG-avid primary breast cancer. PET/CT may be a potential noninvasive diagnostic technique for identifying the presence of ≥3 ALN metastases.


Subject(s)
Humans , Area Under Curve , Breast Neoplasms , Breast , Fluorodeoxyglucose F18 , Lymph Nodes , Magnetic Resonance Imaging , Neoplasm Metastasis , Odds Ratio , Positron-Emission Tomography , Positron Emission Tomography Computed Tomography , Retrospective Studies , ROC Curve , Sensitivity and Specificity
8.
Yonsei med. j ; Yonsei med. j;: 1324-1328, 2016.
Article in English | WPRIM | ID: wpr-81717

ABSTRACT

PURPOSE: Thyroid cancer is the most common endocrine cancer and its incidence has continuously increased in the last three decades all over the world. We aimed to evaluate the prognostic value of extranodal extension (ENE) of thyroid cancer. MATERIALS AND METHODS: We performed a systematic search of MEDLINE (from inception to June 2014) and EMBASE (from inception to June 2014) for English-language publication. The inclusion criteria were studies of thyroid cancer that reported the prognostic value of ENE in thyroid cancer. Reviews, abstracts, and editorial materials were excluded, and duplicate data were removed. Two authors performed the data extraction independently. RESULTS: 6 studies including 1830 patients were eligible for inclusion in the study. All patients included in the meta-analysis had papillary thyroid cancer (PTC). Recurrence-free survival was analyzed based on 3 studies. The pooled hazard ratio for recurrence was 2.01 [95% confidence interval (CI) 1.19–3.40, p=0.009]. Disease-specific survival was analyzed based on 3 studies with 973 patients. Patients of PTC with ENE showed 3.37-fold higher risk of death from the disease (95% CI 1.55–7.32, p=0.002). CONCLUSION: ENE should be considered to be a poor prognostic marker in thyroid cancer; such knowledge might improve the management of individual patients. This might facilitate the planning of appropriate ablation therapy and tailored patient follow-up from the beginning of treatment.


Subject(s)
Humans , Endocrine Gland Neoplasms , Follow-Up Studies , Incidence , Lymph Nodes , Prognosis , Publications , Recurrence , Thyroid Gland , Thyroid Neoplasms
9.
Article in Korean | WPRIM | ID: wpr-103845

ABSTRACT

Since the American Thyroid Association's guidelines for the management of thyroid nodule and differentiated thyroid cancer were published in 1996 and revised in 2006 and 2009, significant scientific advances have occurred in the field. The new revised guideline for informing clinicians, patients, researchers, and health policy makers on updated published evidence relating to the diagnosis and management of thyroid nodules and differentiated thyroid cancer is recently announced. We reviewed the part which is related the nuclear medical diagnosis and treatment in the new guideline and expected it will be made the new guideline for nuclear medicine physician based on the consensus among nuclear medicine physicians and the verification through further research.


Subject(s)
Humans , Consensus , Diagnosis , Health Policy , Nuclear Medicine , Thyroid Gland , Thyroid Neoplasms , Thyroid Nodule
10.
Article in English | WPRIM | ID: wpr-160126

ABSTRACT

The word "Delayed" in the legend of Figure 2 should have been written as "Controls."

12.
Article in English | WPRIM | ID: wpr-122690

ABSTRACT

A 62-year-old female patient diagnosed with left brain stem stroke 2 months ago was admitted to our clinic for rehabilitation. She had no generalized spasticity on both extremities, but could open her mouth only approximately 2 mm between her upper and lower teeth due to severe trismus. On needle electromyography, the left masseter muscle showed paradoxically increased muscle activity during mouth opening. We injected 50 units of type A botulinum toxin (Botox(R)) into the left masseter muscle, and 20 units into the left temporalis muscle with guidance of ultrasonography. The interincisal distance increased to 8 mm on the 3rd day after injection, and 9 mm on the 4th day. One month later, the interincisal distance increased to 14 mm. The increased interincisal distance was maintained for 13 months after injection, and the quality of hygienic care and compliance of oral stimulation therapy also improved.


Subject(s)
Female , Humans , Middle Aged , Botulinum Toxins , Brain , Brain Stem , Compliance , Electromyography , Extremities , Masseter Muscle , Mouth , Muscle Spasticity , Muscles , Needles , Stroke , Tooth , Trismus
13.
Article in English | WPRIM | ID: wpr-21432

ABSTRACT

BACKGROUND/AIMS: Gastric stasis in migraineurs remains controversial. The aim of this study is to investigate gastric emptying (GE) time, and any associations between GE parameters and dyspeptic symptoms among patients with functional dyspepsia (FD) and migraine without any gastrointestinal symptoms during the interictal period. METHODS: We enrolled 27 migraine patients, 32 FD patients and 12 healthy people as controls, and performed GE scintigraphy as gastric function test. Gastrointestinal symptoms were evaluated in the FD and migraine. RESULTS: The age-adjusted mean gastric half-emptying time in FD (125.51 +/- 52.55 minutes) patients was longer than in migraineurs (100.82 +/- 23.94 minutes, P = 0.035) and controls (95.25 +/- 23.29 minutes, P = 0.021). The percentage of gastric retention was higher in FD than in migraine. However, migraineurs did not show an obvious delayed gastric emptying or an increase of gastric retention when compared to the normal controls. The association between each dyspeptic symptom and GE parameters was not significant, but postprandial fullness and early satiety showed a tendency of delayed GE. In migraineurs, GE time did not show significant association with nausea and vomiting during interictal periods. CONCLUSIONS: Delayed GE does not appear to be a mechanism that patients with FD and migraine have in common. Migraineurs without dyspepsia during interictal period had normal GE, and further study for association with FD should be investigated.


Subject(s)
Humans , Dyspepsia , Gastric Emptying , Gastroparesis , Migraine Disorders , Nausea , Retention, Psychology , Vomiting
14.
Article in English | WPRIM | ID: wpr-218791

ABSTRACT

Gastric emptying scintigraphy has long been the standard method for measuring gastric motility. Various methodologies for this study have been used including meal composition, patient positioning, instrumentation, frequency of data acquisition, study length and quantitative method. For accurate quantification, it is not important which method is in use, except that the methodology should always be the same and normal values need to be derived and validated for that methodology.


Subject(s)
Gastric Emptying , Meals , Patient Positioning , Reference Values , Stomach
15.
Article in English | WPRIM | ID: wpr-725569

ABSTRACT

Phyllodes tumor of the breast is a relatively rare fibroepithelial tumor. Turner syndrome is a condition that affects approximately 50 per 100,000 females and includes total or partial absence of one X chromosome in all or part of the cells, reduced final height, absence of female sex hormone, and infertility. In this case report, we describe the first case of a benign phyllodes tumor mimicking a malignancy at breast US in a 26-year-old woman with Turner syndrome who had been undergoing hormone replacement therapy.


Subject(s)
Adult , Female , Humans , Breast , Hormone Replacement Therapy , Infertility , Phyllodes Tumor , Turner Syndrome , X Chromosome
16.
Article in Korean | WPRIM | ID: wpr-59149

ABSTRACT

PURPOSE: Lymphoscintigraphy and sentinel node biopsy are used in detection of axillary lymph node metastasis in breast cancer patients, but standardized technique is not established. We compared the results of the injection the morning of surgery (1 day protocol) with the subareolar injection the day before surgery (2 day protocol) with the subareolar injection in patients with breast cancer having lymphoscintigraphy and sentinel node biopsy. MATERIALS AND METHODS: This study included 349 patients who underwent the breast cancer operation during 2001-2004. One hundred seventy one patients (1 day protocol, 1 hour) was injected 0.8 ml of Tc-99m Tin-Colloid (37 MBq) by subareolar injection on the morning of surgery. One hundred seventy eight patients (2 day protocol, 16 hour) was injected 0.8 ml of Tc-99m Tin-Colloid (185 MBq) on the afternoon before surgery. Lymphoscintigraphy was performed in sitting position and sentinel node localization was performed by hand-held gamma probe during operation. Result: In the 1 day protocol, 153 cases (89.5%) of the sentinel node were localized by lymphoscintigraphy and 150 cases (87.7%) were localized by gamma probe. In the 2 day protocol, 159 cases (89.3%) were localized by lymphoscintigraphy and 154 cases (86.5%) were localized by gamma probe. There was no significant difference in localization of sentinel node between the 1 day and the 2 day protocol by lymphoscintigraphy and gamma probe (p>0.05, p>0.05). CONCLUSION: There was no difference the result of localization of sentinel node with subareolar injection between the 1 day and the 2 day protocol in breast cancer patients. Because the 2 day protocol allows the enough time of performing lymphoscintigraphy, it is more useful in localization of sentinel node in breast cancer patients.


Subject(s)
Humans , Biopsy , Breast , Breast Neoplasms , Lymph Nodes , Lymphoscintigraphy , Neoplasm Metastasis , Nitriles , Pyrethrins , Retrospective Studies
17.
Article in English | WPRIM | ID: wpr-197044

ABSTRACT

OBJECTIVES: Internet addiction or pathologic internet use is one of the major mental health problems in children and adolescents in Korea. Internet addiction is defined as uncontrollable, markedly time-consuming internet use, which lasts for a period of at least six months. Internet addiction results in poor academic performance and negative parent-child relationships. By using 18F-fluorodeoxyglucose-positron emission tomography (FDG-PET), we investigated the effects of internet addiction on functional changes occurring in the adolescent brain. METHODS: Adolescent patients with an internet addiction (4 boys and 2 girls; 15.6+/-1.2 years) participated in this study. Eight healthy young adults (5 males and 3 females; 18-30 years old) with no previous history of psychiatric illness also participated as normal controls. Brain FDG-PET data was obtained with the participants in the resting condition and with no addictive stimuli. RESULTS: Statistic parametric mapping analysis of the brain FDG-PET data revealed hypometabolic changes in the visual information processing circuits and hypermetabolic changes in the prefrontal areas in the adolescents with internet addiction, as compared with normal controls (p<.001). CONCLUSION: These results suggest a neuronal adaptation to excessive visual stimulation and synaptic plasticity due to internet addiction.


Subject(s)
Adolescent , Child , Humans , Male , Young Adult , Electronic Data Processing , Brain , Internet , Korea , Mental Health , Neurons , Parent-Child Relations , Photic Stimulation , Plastics
18.
Article in Korean | WPRIM | ID: wpr-27987

ABSTRACT

PURPOSE: Lymphoscintigraphy and sentinel node biopsy has become a standard method for detection of axillary lymph node metastasis in breast cancer patients, but the standard radiopharmaceutical was not prepared. About detection of axillary lymph node metastasis by lymphoscintigraphy and sentinel node biopsy in breast cancer patient, we compared the results of Tc-99m Tin-colloid and Tc-99m Phytate by subareolar injection. MATERIALS AND METHODS: This study included 382 breast cancer patients who were performed operation during 2001-2008. Three hundred forty nine patients was injected 0.8 ml of Tc-99m Tin-colloid (37-185 MBq) by subareolar injection. Thirty three patients was injected 0.8 ml of Tc-99m Phytate (37-185 MBq). Lymphoscintigraphy was performed in supine position and sentinel node localization was performed by hand-held gamma probe in operation. RESULT: Among 349 patients by Tc-99m Tin-colloid, 312 cases (89.4%) localized the sentinel node by lymphoscintigraphy, 304 cases (87.1%) localized by gamma probe. Among 33 patients by Tc-99m Phytate, 32 cases (97.0%) localized by lymphoscintigraphy, 33 cases (100%) localized by gamma probe. Detection rate by lymphoscintigraphy and gamma probe was superior for Tc-99m Phytate compared to that with Tc-99m Tin-colloid, with a statistically significant difference. (p<0.05, p<0.05) CONCLUSION: Tc-99m Phytate is a better choice for localization of sentinel node than Tc-99m Tin-colloid in breast cancer patients.


Subject(s)
Humans , Biopsy , Breast , Breast Neoplasms , Lymph Nodes , Lymphoscintigraphy , Neoplasm Metastasis , Nitriles , Phytic Acid , Pyrethrins , Supine Position
19.
Article in English | WPRIM | ID: wpr-204719

ABSTRACT

Whole body iodine-131 scan is a well-established imaging method for the detection of metastatic or residual tumor sites in patients with well-differentiated thyroid cancer. Many false-positive iodine-131 scan findings mimicking metastatic thyroid cancer have long been reported. The authors describe a false positive uptake in normal gallbladder on post-ablative iodine-131 scan in a patient with papillary thyroid cancer. This finding should be considered to be another possible false-positive finding on iodine-131 whole body scan.


Subject(s)
Female , Humans , Middle Aged , Carcinoma, Papillary/pathology , False Positive Reactions , Gallbladder/metabolism , Iodine Radioisotopes , Thyroid Neoplasms/pathology , Whole-Body Counting
20.
Article in Korean | WPRIM | ID: wpr-21318

ABSTRACT

BACKGROUND: The sodium/iodide symporter (NIS) has an important role in the diagnosis and treatment of well differentiated thyroid carcinoma. The relationship between the uptake of thallium- 201 scan (201Tl scan) and the expression of sodium/iodide symporter (hNIS) was studied in thyroid nodules. METHODS: Patients that had undergone operations for thyroid nodules, and who received a 201Tl scan before their operations, were investigated. Anti-NIS antibodies were used to analyze the presence and distribution of the hNIS protein by immunohistochemical staining of their thyroid tissues. RESULTS: Forty-four patients (papillary carcinoma; 18, follicular adenoma; 11, adenomatous goiter; 14, nonspecific thyroiditis; 1) 30 with no immunoreactivity and 14 with a positive reaction to the anti-NIS antibody, were included. The NIS negative patients (12/30) had no 201Tl uptake, but all others were positive on 201Tl scan, and the NIS-positive patients (13/14) had positive 201Tl uptake, with 1 negative on 201Tl scan, with significant difference (p=0.035). Of the 18 patients with a papillary thyroid carcinoma, the NIS negative patients (2/10) had no 201Tl uptake and the others were positive on 201Tl scan, but without significant difference. NIS positive patients (1/8) with a papillary thyroid carcinoma had no 201Tl uptake, and the others were positive on 201Tl scan, but without significant difference. Whether the results of NIS staining and 201Tl scan were positive or not did not affect the responses of radioactive iodine therapy in our study. CONCLUSION: These results suggest that thallium-201 uptake may be correlated with hNIS expression in thyroid nodules


Subject(s)
Humans , Adenoma , Antibodies , Diagnosis , Goiter , Immunohistochemistry , Iodine , Ion Transport , Thyroid Gland , Thyroid Neoplasms , Thyroid Nodule , Thyroiditis
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