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Moroto D, Torquato-Vieira ICO, Fiorin LB, Camacho CP, Castiglioni MLV, Maciel RMB, Furlanetto RP, Matsumura LK, Janovsky CCPS, Lindsey SC, Martins JRM. Long-Term Follow-up of Patients With Autonomous Thyroid Nodules Treated With Radioiodine. Clin Nucl Med 2024; 49:529-535. [PMID: 38619976 DOI: 10.1097/rlu.0000000000005189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
PURPOSE This article aims to describe the presentation of Plummer disease and its evolution after radioiodine treatment and determine factors that may influence treatment efficacy. PATIENTS AND METHODS The sample included retrospective medical records of 165 adult patients with toxic nodular goiter treated with radioiodine between 1997 and 2017, followed up at a single thyroid center. RESULTS The efficacy of treatment with a single dose of radioiodine was higher than 90%. The mean radioiodine activity was 28.9 ± 3.4 mCi. The mean time between radioiodine performance and hyperthyroidism resolution was 3.6 ± 3.0 months, ranging from 1-12 months. After the first year, 33.9% of the patients were under hypothyroidism, 59.4% under euthyroidism, and 6.7% under hyperthyroidism. Among the nonresponders, the variables that showed statistical difference were the presence of multinodular goiter and the radioiodine activity (mean, 25.5 ± 6.5 mCi; median, 30 [15-30 mCi]). The cumulative rate of hypothyroidism was 48.9% over 20 years of follow-up. CONCLUSIONS Radioiodine therapy is an effective and safe treatment. In Plummer disease, high rates of euthyroidism are expected after the radioiodine treatment. Therapeutic failure was observed mainly in patients with larger multinodular goiters treated with lower doses of radioiodine. The evolution to hypothyroidism was mostly observed in younger patients with larger and uninodular goiters.
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Affiliation(s)
- Débora Moroto
- From the Thyroid Diseases Center and Laboratory of Molecular and Translational Endocrinology, Division of Endocrinology, Department of Medicine, Escola Paulista de Medicina, Universidade Federal de São Paulo
| | - Isabel C O Torquato-Vieira
- From the Thyroid Diseases Center and Laboratory of Molecular and Translational Endocrinology, Division of Endocrinology, Department of Medicine, Escola Paulista de Medicina, Universidade Federal de São Paulo
| | - Lia B Fiorin
- From the Thyroid Diseases Center and Laboratory of Molecular and Translational Endocrinology, Division of Endocrinology, Department of Medicine, Escola Paulista de Medicina, Universidade Federal de São Paulo
| | | | - Mário Luiz V Castiglioni
- Division of Nuclear Medicine, Department of Diagnostic Imaging, Escola Paulista de Medicina, Universidade Federal de São Paulo
| | - Rui M B Maciel
- From the Thyroid Diseases Center and Laboratory of Molecular and Translational Endocrinology, Division of Endocrinology, Department of Medicine, Escola Paulista de Medicina, Universidade Federal de São Paulo
| | - Reinaldo P Furlanetto
- From the Thyroid Diseases Center and Laboratory of Molecular and Translational Endocrinology, Division of Endocrinology, Department of Medicine, Escola Paulista de Medicina, Universidade Federal de São Paulo
| | - Luiza K Matsumura
- From the Thyroid Diseases Center and Laboratory of Molecular and Translational Endocrinology, Division of Endocrinology, Department of Medicine, Escola Paulista de Medicina, Universidade Federal de São Paulo
| | | | - Susan C Lindsey
- From the Thyroid Diseases Center and Laboratory of Molecular and Translational Endocrinology, Division of Endocrinology, Department of Medicine, Escola Paulista de Medicina, Universidade Federal de São Paulo
| | - João Roberto M Martins
- From the Thyroid Diseases Center and Laboratory of Molecular and Translational Endocrinology, Division of Endocrinology, Department of Medicine, Escola Paulista de Medicina, Universidade Federal de São Paulo
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Biscolla RPM, Ikejiri ES, Mamone MC, Nakabashi CCD, Andrade VP, Kasamatsu TS, Crispim F, Chiamolera MI, Andreoni DM, Camacho CP, Hojaij FC, Vieira JGH, Furlanetto RP, Maciel RMB. Diagnóstico de metástases de carcinoma papilífero de tiróide através da dosagem de tiroglobulina no líquido obtido da lavagem da agulha utilizada na punção aspirativa. ACTA ACUST UNITED AC 2007; 51:419-25. [PMID: 17546240 DOI: 10.1590/s0004-27302007000300009] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2006] [Accepted: 10/08/2006] [Indexed: 11/22/2022]
Abstract
Com a introdução da ultra-sonografia cervical (USC) no seguimento dos pacientes com carcinoma papilífero de tiróide (CPT), tornou-se freqüente o encontro de pequenos linfonodos (LNs) cervicais. Porém, apesar de a USC apresentar alta sensibilidade, o estudo citológico obtido por punção aspirativa (PAAF) e, nos últimos anos, a dosagem da tiroglobulina (Tg) no lavado da agulha da PAAF (Tg-PAAF) vêm assumindo papel importante no diagnóstico de LNs cervicais. O objetivo deste estudo é verificar a acurácia da combinação da USC, citologia e Tg-PAAF em LNs suspeitos. Estudamos 32 pacientes que apresentavam 44 LNs à USC, classificados como "inflamatórios" (19) ou "suspeitos" (25). Dos 25 LNs suspeitos, 15 apresentavam Tg-PAAF elevada (13 com citologia compatível com metástases e 2 com citologia não-diagnóstica). Esses 15 LNs (11 pacientes) foram confirmados como metástase de CP pelo exame histopatológico. Os 19 LNs "inflamatórios" e os 10/25 LNs "suspeitos" apresentaram citologia negativa e Tg-PAAF indetectável. Concluímos que a USC apresenta alta sensibilidade na detecção de linfonodos cervicais, porém citologia e dosagem de Tg-PAAF são fundamentais para o diagnóstico. A associação USC, citologia e Tg-PAAF pode ser considerada a abordagem mais sensível e específica na detecção de LNs metastáticos em pacientes com CPT.
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Affiliation(s)
- Rosa Paula M Biscolla
- Disciplina de Endocrinologia, Departamento de Medicina, Escola Paulista de Medicina, Universidade Federal de São Paulo.
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Yamazaki CA, Mamone MCC, Ikejiri ES, Hidal JT, Matsumura LK, Hojaij FC, Cervantes O, Abrahão M, Furlanetto RP, Maciel RMB. [Incidence of malignant lesions in patients with clinically benign thyroid nodules: observational and prospective study in a cohort of 50 patients followed during two years]. Arq Bras Endocrinol Metabol 2005; 48:282-93. [PMID: 15640884 DOI: 10.1590/s0004-27302004000200012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
INTRODUCTION To study the frequency of malignant lesions in patients with clinically benign thyroid nodules and the value of the repetition of fine needle aspiration biopsy (FNAB). METHODS Observational and prospective 2-year study in a cohort of 50 patients with clinically benign thyroid nodules. Patients were initially submitted to clinical examination, ultrasound (US) and FNAB1 patients, followed by a second FNAB and US. RESULTS Palpation is not a good test for diagnosis and follow-up of thyroid nodules. On the other hand, the initial consideration that these patients should harbor benign lesions is a very useful parameter, since 47/50 patients (94%) did not present malignant lesions during the follow-up. FNAB1 and FNAB2 were concordant in 33/39 patients when FNAB1 was negative (85%); 11 patients were operated, 8 by suspicious FNAB and 3 due to nodule growth. We observed 2 patients with non-invasive papillary microcarcinoma and 1 patient with papillary carcinoma outside of the main nodules. CONCLUSION there was concordance between initial clinical benign diagnosis, FNAB and the follow-up. In one case there was a papillary carcinoma. In addition, ultrasonography should be considered for all patients with suspected thyroid nodules. Finally, we demonstrated that a second cytology usually confirms the result of the first cytology in benign thyroid nodules.
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Affiliation(s)
- Claudia A Yamazaki
- Departamento de MEdicina, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP
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Britto-Fioretti AM, Furlanetto RP, Paiva ER, Kunii IS, Silva MR, Maciel RM. Thyroid suppression test with a single oral dose of levothyroxine in the diagnosis of functional thyroid autonomy. Endocr Pract 2004; 5:330-6. [PMID: 15251654 DOI: 10.4158/ep.5.6.330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To propose a modified form of thyroid suppression test with use of a single oral dose of levothyroxine (35 mg/kg). METHODS After a baseline scintigram, 23 patients with nodular goiter suspected of autonomous function (warm or hot nodules, subnormal or undetectable thyrotropin levels, or both findings) and 14 normal subjects underwent a repeated scintigram 4 days after administration of levothyroxine. We evaluated triiodothyronine (T(3)), free thyroxine, and thyrotropin before and on the first, second, third, fourth, and seventh days after administration of the individualized dose of levothyroxine. RESULTS The 99th percentile of postsuppression uptake in normal subjects was determined, and an uptake >12.4%, a 131 I concentration restricted to the nodule, or both factors were adopted as the criteria for diagnosis of an autonomously functioning thyroid nodule. Twelve patients were considered to have autonomously functioning nodules, and 11 patients were considered to have nonautonomous nodules. Baseline thyrotropin levels in patients with autonomous nodules did not differ significantly from those in patients with nonautonomous nodules. No signs or symptoms of toxicity were detected during the test, but all study subjects had increased free thyroxine values, and seven had high levels of T(3). CONCLUSION The thyroid suppression test with 35 mg/kg of levothyroxine is an effective method for the diagnosis of an autonomously functioning thyroid nodule, is nontoxic, and avoids the inaccurate use of the medication occasionally observed with T(3). Even sensitive methods of thyrotropin determination cannot replace this test in the evaluation of autonomous thyroid function.
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Affiliation(s)
- A M Britto-Fioretti
- Division of Endocrinology, Department of Medicine, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
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Finamor FE, Martins JRM, Nakanami D, Paiva ER, Manso PG, Furlanetto RP. Pentoxifylline (PTX)--an alternative treatment in Graves' ophthalmopathy (inactive phase): assessment by a disease specific quality of life questionnaire and by exophthalmometry in a prospective randomized trial. Eur J Ophthalmol 2004; 14:277-83. [PMID: 15309971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
PURPOSE To investigate the effect of pentoxifylline (PTX) in subjects with inactive Graves' ophthalmopathy (GO) through a specific quality of life (QOL) questionnaire and exophthalmometry readings. METHODS Eighteen females were randomly divided in two groups. Group A (n=9) was treated with PTX 1200 mg orally/day for 6 months. Group B (n=9) received placebo during the initial 6 months and then PTX for another 6 months. Proptosis measurements were carried out every 3 months and a questionnaire graded from 0 to 10 according to the severity of the symptoms was performed at baseline and after placebo and PTX administration. RESULTS At baseline, Group A questionnaire score values were 5.5 (median; range 3.5 to 8.0), and 5.0 after 6 months (3.0 to 6.0; p=0.01). In Group B, baseline values were not significantly different after 6 months of placebo: 6.0 (4.5 to 7.0) and 5.5 (4.5 to 7.0), respectively. However, a significant change was observed 6 months after PTX: 4.0 (2.0 to 5.0; p<0.001). Patients in Group A had a progressive improvement of proptosis during PTX: at baseline, 23 mm (median; range 20 to 32); after 3 months, 23 mm (18 to 30; p=0.02); and after 6 months, 23 mm (18 to 30; p=0.005). In Group B, proptosis remained stable during placebo: at baseline, 23 mm (21 to 25); after 3 months, 23 mm (20 to 25); and after 6 months, 23.5 mm (20 to 25). A significant change was observed after 3 and 6 months of PTX: 22 mm (19 to 24; p=0.0006) and 20.8 mm (17 to 25; p=0.0003), respectively. CONCLUSIONS Pentoxifylline seems to improve the QOL of patients in the inactive phase of GO. The objective findings of the proptosis readings corroborate to suggest that PTX may be an effective and promising drug in the inactive phase of GO.
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Affiliation(s)
- F E Finamor
- Division of Endocrinology, UNIFESP/EPM, São Paulo, Brazil.
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Finamor FE, Martins JRM, Nakanami D, Paiva ER, Manso PG, Furlanetto RP. Pentoxifylline (PTX): an alternative treatment in Graves ophthalmopathy (inactive phase): assessment by a disease specific quality of life questionnaire and by exophthalmometry in a prospective randomized trial. Eur J Ophthalmol 2004; 14:277-283. [PMID: 28221442 DOI: 10.5301/ejo.2008.5017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
PURPOSE To investigate the effect of pentoxifylline (PTX) in subjects with inactive Graves ophthalmopathy (GO) through a specific quality of life (QOL) questionnaire and exophthalmometry readings. METHODS Eighteen females were randomly divided in two groups. Group A (n=9) was treated with PTX 1200 mg orally/day for 6 months. Group B (n=9) received placebo during the initial 6 months and then PTX for another 6 months. Proptosis measurements were carried out every 3 months and a questionnaire graded from 0 to 10 according to the severity of the symptoms was performed at baseline and after placebo and PTX administration. RESULTS At baseline, Group A questionnaire score values were 5.5 (median; range 3.5 to 8.0), and 5.0 after 6 months (3.0 to 6.0; p=0.01). In Group B, baseline values were not significantly different after 6 months of placebo: 6.0 (4.5 to 7.0) and 5.5 (4.5 to 7.0), respectively. However, a significant change was observed 6 months after PTX: 4.0 (2.0 to 5.0; p<0.001). Patients in Group A had a progressive improvement of proptosis during PTX: at baseline, 23 mm (median; range 20 to 32); after 3 months, 23 mm (18 to 30; p=0.02); and after 6 months, 23 mm (18 to 30; p=0.005). In Group B, proptosis remained stable during placebo: at baseline, 23 mm (21 to 25); after 3 months, 23 mm (20 to 25); and after 6 months, 23.5 mm (20 to 25). A significant change was observed after 3 and 6 months of PTX: 22 mm (19 to 24; p=0.0006) and 20.8 mm (17 to 25; p=0.0003), respectively. CONCLUSIONS Pentoxifylline seems to improve the QOL of patients in the inactive phase of GO. The objective findings of the proptosis readings corroborate to suggest that PTX may be an effective and promising drug in the inactive phase of GO. (Eur J Ophthalmol 2004; 14: 277-83).
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Affiliation(s)
- F E Finamor
- Division of Endocrinology, UNIFESP/EPM, So Paulo - Brazil
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Martins JRM, Furlanetto RP, Oliveira LM, Mendes A, Passerotti CC, Chiamolera MI, Rocha AJ, Manso PG, Nader HB, Dietrich CP, Maciel RMB. Comparison of practical methods for urinary glycosaminoglycans and serum hyaluronan with clinical activity scores in patients with Graves' ophthalmopathy. Clin Endocrinol (Oxf) 2004; 60:726-33. [PMID: 15163337 DOI: 10.1111/j.1365-2265.2004.02044.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVE Immunosuppressive treatment of Graves' opthalmopathy (GO) should be restricted to patients with active eye disease, but assessing disease activity is difficult. Several methods to evaluate GO activity have been introduced, but none of them is satisfactory. Glycosaminoglycans (GAGs) are complex polysaccharides that participate on the pathogenesis of GO and attempts to correlate its local increase to urinary GAGs (uGAGs) or serum hyaluronan (sHA) have been made, but the available techniques are labourious, time-consuming and difficult for routine use. The aim of the present study is to develop practical and simple methods for uGAGs and sHA and compare them to the activity and severity of thyroid-associated ophthalmopathy. DESIGN, PATIENTS AND MEASUREMENTS We developed a microelectrophoresis technique for uGAGs and a fluoroassay for sHA and assessed each in 152 patients with Graves' disease, 25 without GO and 127 with GO, classified according to the Clinical Activity Score (CAS). All patients had been euthyroid for > 2 months. RESULTS Patients with inactive disease (CAS = 2, n = 100) had uGAGs (4.2 +/- 1.3 micro g/mg/creatinine) and sHA (11.1 +/- 7.2 micro g/l) that did not differ from normal subjects (3.1 +/- 1.1 micro g/mg/creatinine, n = 138 and 13.9 +/- 9.6 micro g/l, n = 395). In contrast, patients with active eye disease (CAS = 3, n = 27) had uGAGs (8.4 +/- 2.7 micro g/mg/creatinine) and sHA (32.3 +/- 17.8 micro g/l) 2-3 times higher than those patients with inactive eye disease. Using a cut-off of 6.1 micro g/mg creatinine for uGAGs and 20.7 micro g/l for sHA we found, respectively, 85% and 81% sensitivity and 93% and 91% specificity for each test. The positive and negative predictive values were 77% and 96% for uGAGs and 71% and 95% for sHA. CONCLUSION Employing these two new methods we have established a significant relationship between the levels of uGAGs and/or sHA and the clinical activity of GO. Therefore, together with CAS, uGAGs determination, and, to a lesser degree, sHA, would be very useful in the discrimination from active and inactive ocular disease and aid in deciding on the best therapy for GO patients.
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Affiliation(s)
- João R M Martins
- Division of Endocrinology, Department of Medicine, Escola Paulista de Medicina, Universidade Federal de Sao Paulo, Sao Paulo, Brazil
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Bianchini EX, Ikejiri ES, Mamone MC, Paiva ER, Maciel RM, Furlanetto RP. Injeção percutânea de etanol no tratamento de nódulos tiroidianos sólidos, císticos e autônomos. ACTA ACUST UNITED AC 2003. [DOI: 10.1590/s0004-27302003000500007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A injeção percutânea de etanol (IPE) guiada por ultra-som tem sido utilizada para o tratamento de nódulos tiroidianos autônomos, sólidos e císticos. Apresentamos nossa experiência em 50 pacientes tratados, sendo 26 portadores de nódulos sólidos, 17 de nódulos císticos e 7 de nódulos autônomos (NA). Avaliamos os pacientes 1 semana, 1 mês, 3 meses, 6 meses e 1 ano após a IPE. Após 1 ano, os nódulos sólidos reduziram a 74% do volume inicial, os císticos diminuíram 92% sem apresentar recidivas. Um ano após o tratamento dos nódulos autônomos, 5 pacientes estavam em eutiroidismo clínico e laboratorial e 2 em eutiroidismo mas com TSH subnormal. Não houve recorrência da tirotoxicose e a redução nodular foi de 66%. O procedimento foi bem tolerado por todos. Os resultados confirmam que a IPE é uma boa alternativa terapêutica para redução dos nódulos tiroidianos císticos e sólidos e no tratamento dos nódulos autônomos.
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Stamato FJ, Amarante EC, Furlanetto RP. Effect of combined treatment with calcitonin on bone densitometry of patients with treated hypothyroidism. Rev Assoc Med Bras (1992) 2000; 46:177-81. [PMID: 11022359 DOI: 10.1590/s0104-42302000000200013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
INTRODUCTION Thyroid hormones (TH) may affect bone metabolism and turnover, inducing a loss of bone mass among hyperthyroid and in hypothyroid patients under hormone replacement treatment. Thyroid dysfunction leads to changes in the dynamics of parathyroid hormone (PTH) and calcitonin (CT) secretion. OBJECTIVE The objective of the study was to determine the usefulness of CT as adjuvant therapy in the prevention of bone loss during the treatment of hypothyroidism. MATERIAL AND METHODS We studied 16 female patients with recently diagnosed primary hypothyroidism, divided into two groups: group G1 (n = 8) submitted to treatment with thyroxine (L-T4), and Group 2 (n = 8) that, in addition to being treated with L-T4, received a nasal CT spray. All patients were submitted to determination of TSH, free T4, bone mineral densitometry (BMD) and total bone calcium (TBC) at the time of diagnosis, after 6 to 9 months of treatment, and after 12 months of treatment. RESULTS No statistical significant differences were detected in either group between the total BMD values obtained for the femur and lumbar spine before and after treatment. However, group G1 presented a statistical significant TBC loss after 12 months of treatment compared to initial values. In contrast, no TBC loss was observed in the group treated with LT-4 in combination with CT, a fact that may suggest that CT was responsible for the lower bone reabsorption during treatment of hypothyroidism.
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Affiliation(s)
- F J Stamato
- Department of Medicine, Federal University of São Paulo (EPM-UNIFESP), Brazil
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Manso PG, Furlanetto RP, Wolosker AM, Paiva ER, de Abreu MT, Maciel RM. Prospective and controlled study of ophthalmopathy after radioiodine therapy for Graves' hyperthyroidism. Thyroid 1998; 8:49-52. [PMID: 9492153 DOI: 10.1089/thy.1998.8.49] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The effects of radioiodine (131I) therapy for hyperthyroidism on the ocular process of Graves' disease is controversial. In order to evaluate the outcome of ophthalmopathy after radioiodine therapy for thyrotoxicosis we studied prospectively 30 Graves' hyperthyroid patients, 22 submitted to radioiodine (131I) treatment (group A) and 8 treated with antithyroid drugs (group B). All patients were evaluated by clinical ophthalmologic examination, and ocular proptosis (OP) was measured with both a Hertel exophthalmometer (HE) and computed tomography (CT) before and 4 to 7 months after therapy. No statistical difference was obtained between pre- and post-treatment OP measurements in each eye in either group, and we did not observe worsening in the ophthalmopathy of patients treated with drugs or radioiodine. After therapy, there was an improvement in the clinical signs of ophthalmopathy in 59% of group A and in 37.5% of group B patients. We found a significant correlation between OP measured by HE and by CT. CT findings showed an increase in orbital fat and/or muscle thickening in all patients at baseline, proving to be a useful procedure for ophthalmologic diagnosis in doubtful cases. No patient in either group developed hypothyroidism or elevated TSH levels during the study period; this may explain our good results in the evolution of Graves' ophthalmopathy after treatment with 131I and antithyroid drugs. Euthyroidism seems to be an important factor in the outcome of ophthalmopathy after therapy, whatever the mode of treatment chosen to achieve it.
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Affiliation(s)
- P G Manso
- Department of Ophthalmology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Brazil
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Visinoni RA, Ferraz MB, Furlanetto RP, Fernandes AR, Oliveira HC, Atra E. Hypothyroidism and chondrocalcinosis: new evidence for lack of association between the 2 pathologies. J Rheumatol 1993; 20:1991-2. [PMID: 8308798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Furlanetto RP, Castro ML, Kasamatsu TS, Brandãno CM, Vieira JG. Persistent hyperactivity of the parathyroid glands in treated hypothyroid patients. Acta Endocrinol (Copenh) 1990; 123:609-12. [PMID: 2126654 DOI: 10.1530/acta.0.1230609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Twelve untreated hypothyroid patients were submitted to EDTA infusion and the parathyroid hormone response to the induced hypocalcemia was studied with an amino-terminal specific assay. Eight of these patients were retested 6 months after achieving clinical and laboratory euthyroidism. The PTH response in the pretreatment condition was significantly higher than that obtained in a group of 10 normal individuals; this increased response had not normalized after 6 months of euthyroidism. This persisting hyperresponsiveness can be a contributory factor to the bone hypersensitivity to thyroid hormone replacement seen in hypothyroid patients.
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Affiliation(s)
- R P Furlanetto
- Division of Endocrinology, Escola Paulista de Medicina, São Paulo, Brazil
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Furlanetto RP, Vieira JG, Chacra AR, Lima MP. [Clinical application of the radioimmunoassay of dehydroepiandrosterone sulfate]. AMB Rev Assoc Med Bras 1982; 28:192-7. [PMID: 6221360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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