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4.
Clin Endocrinol (Oxf) ; 99(4): 378-385, 2023 10.
Artigo em Inglês | MEDLINE | ID: mdl-37421211

RESUMO

OBJECTIVE: Hyperintensity signal in T2-weighted magnetic resonance imaging (MRI) has been related to better therapeutic response during pasireotide treatment in acromegaly. The aim of the study was to evaluate T2 MRI signal intensity and its relation with pasireotide therapeutic effectiveness in real-life clinical practice. DESIGN, PATIENTS AND MEASUREMENTS: Retrospective multicentre study including acromegaly patients treated with pasireotide. Adenoma T2-weighted MRI signal at diagnosis was qualitatively classified as iso-hyperintense or hypointense. Insulin-like growth factor (IGF-I), growth hormone (GH) and tumour volume reduction were assessed after 6 and 12 months of treatment and its effectiveness evaluated according to baseline MRI signal. Hormonal response was considered 'complete' when normalization of IGF-I levels was achieved. Significant tumour shrinkage was defined as a volume reduction of ≥25% from baseline. RESULTS: Eighty-one patients were included (48% women, 50 ± 1.5 years); 93% had previously received somatostatin receptor ligands (SRLs) treatment. MRI signal was hypointense in 25 (31%) and hyperintense in 56 (69%) cases. At 12 months of follow-up, 42/73 cases (58%) showed normalization of IGF-I and 37% both GH and IGF-I. MRI signal intensity was not associated with hormonal control. 19/51 cases (37%) presented a significant tumour volume shrinkage, 16 (41%) from the hyperintense group and 3 (25%) from the hypointense. CONCLUSIONS: T2-signal hyperintensity was more frequently observed in pasireotide treated patients. Almost 60% of SRLs resistant patients showed a complete normalization of IGF-I after 1 year of pasireotide treatment, regardless of the MRI signal. There was also no difference in the percentage tumour shrinkage over basal residual volume between the two groups.


Assuntos
Acromegalia , Adenoma , Hormônio do Crescimento Humano , Humanos , Feminino , Masculino , Acromegalia/tratamento farmacológico , Acromegalia/diagnóstico , Fator de Crescimento Insulin-Like I/metabolismo , Adenoma/complicações , Adenoma/diagnóstico por imagem , Adenoma/tratamento farmacológico , Hormônio do Crescimento Humano/uso terapêutico , Imageamento por Ressonância Magnética/métodos , Resultado do Tratamento , Octreotida/uso terapêutico
17.
Endocrinol Nutr ; 57(2): 43-8, 2010 Feb.
Artigo em Espanhol | MEDLINE | ID: mdl-20138596

RESUMO

INTRODUCTION: Fine-needle aspiration biopsy (FNAB) is considered the reference diagnostic procedure for thyroid nodules. MATERIALS AND METHODS: Routine performance of thyroid ultrasound and ultrasound-guided FNAB by endocrinologists allows a more efficient approach in the setting of a high-resolution practice, thus reducing costs and the time elapsed until diagnosis. RESULTS: We present our initial results of this procedure 2 years after its introduction, with a total of 286 biopsies performed. After a progressive learning curve over time and according to the endocrinologists' previous experience, 72.72% samples were considered satisfactory for diagnosis. Greater difficulty was observed in obtaining optimal cytological specimens in smaller nodules. In conclusion, we have successfully incorporated thyroid ultrasound and ultrasound-guided FNAB into routine endocrine practice. CONCLUSION: Routine performance of thyroid ultrasound in endocrine practice will considerably aid the management of nodular thyroid disease.


Assuntos
Biópsia por Agulha Fina , Doenças da Glândula Tireoide/patologia , Neoplasias da Glândula Tireoide/patologia , Ultrassonografia de Intervenção , Adenocarcinoma Folicular/diagnóstico por imagem , Adenocarcinoma Folicular/epidemiologia , Adenocarcinoma Folicular/patologia , Adenoma/diagnóstico por imagem , Adenoma/epidemiologia , Adenoma/patologia , Adulto , Biópsia por Agulha Fina/efeitos adversos , Biópsia por Agulha Fina/métodos , Biópsia por Agulha Fina/estatística & dados numéricos , Carcinoma Papilar/diagnóstico por imagem , Carcinoma Papilar/epidemiologia , Carcinoma Papilar/patologia , Cistos/diagnóstico por imagem , Cistos/epidemiologia , Cistos/patologia , Endocrinologia/organização & administração , Feminino , Bócio Nodular/diagnóstico por imagem , Bócio Nodular/patologia , Hematoma/etiologia , Departamentos Hospitalares , Hospitais Universitários/organização & administração , Humanos , Linfoma não Hodgkin/diagnóstico por imagem , Linfoma não Hodgkin/epidemiologia , Linfoma não Hodgkin/patologia , Masculino , Gravidez , Complicações na Gravidez/diagnóstico por imagem , Complicações na Gravidez/patologia , Espanha/epidemiologia , Síncope Vasovagal/etiologia , Doenças da Glândula Tireoide/diagnóstico por imagem , Neoplasias da Glândula Tireoide/diagnóstico por imagem , Neoplasias da Glândula Tireoide/epidemiologia , Ultrassonografia de Intervenção/estatística & dados numéricos
18.
Endocrinol. nutr. (Ed. impr.) ; 57(2): 43-48, feb. 2010. tab
Artigo em Espanhol | IBECS | ID: ibc-80308

RESUMO

Introducción La PAAF es el procedimiento de referencia para el diagnóstico del nódulo tiroideo. Material y métodos La incorporación de la ecografía cervical y la PAAF guiada por ecografía a la actividad del médico endocrinólogo permite abordar esta patología en el ámbito de una consulta de alta resolución, con la consiguiente reducción en el coste del proceso y en la demora del diagnóstico. Resultados Presentamos los resultados iniciales de esta consulta; tras los dos primeros años y con un total de 286 punciones, nos situamos en un 72,72% de citologías aptas para diagnóstico, siguiendo una curva de aprendizaje acorde con el tiempo transcurrido y con la experiencia previa. Observamos una mayor dificultad en la obtención de citologías óptimas para diagnóstico en los nódulos de menor tamaño. En resumen, hemos incorporado la ecografía y la PAAF guiada por ecografía de manera satisfactoria a la consulta endocrinológica. Conclusión El uso de manera rutinaria de la ecografía en la consulta de endocrinología permite agilizar el manejo de la patología nodular tiroidea (AU)


Introduction Fine-needle aspiration biopsy (FNAB) is considered the reference diagnostic procedure for thyroid nodules. Materials and methods Routine performance of thyroid ultrasound and ultrasound-guided FNAB by endocrinologists allows a more efficient approach in the setting of a high-resolution practice, thus reducing costs and the time elapsed until diagnosis. Results We present our initial results of this procedure 2 years after its introduction, with a total of 286 biopsies performed. After a progressive learning curve over time and according to the endocrinologists’ previous experience, 72.72% samples were considered satisfactory for diagnosis. Greater difficulty was observed in obtaining optimal cytological specimens in smaller nodules. In conclusion, we have successfully incorporated thyroid ultrasound and ultrasound-guided FNAB into routine endocrine practice. Conclusion Routine performance of thyroid ultrasound in endocrine practice will considerably aid the management of nodular thyroid disease (AU)


Assuntos
Humanos , Masculino , Feminino , Lactente , Adulto , Biópsia por Agulha Fina , Doenças da Glândula Tireoide/patologia , Neoplasias da Glândula Tireoide , Ultrassonografia de Intervenção , Hospitais Universitários , Espanha/epidemiologia , Síncope Vasovagal/etiologia , Doenças da Glândula Tireoide , Neoplasias da Glândula Tireoide/epidemiologia
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