Caracterización sociodemográfica, clínica y ecográfica de la enfermedad de nódulos tiroideos y su relación con la malignidad en un centro de alta complejidad colombiano / Sociodemographic, clinical and ultrasound characterization of thyroid nodule pathology and its association with malignancy in a Colombian high-complexity center

Antecedentes y objetivo Los nódulos tiroideos se encuentran entre las dolencias más frecuentes, con un 10% de riesgo de malignidad. El objetivo es describir la frecuencia de las características demográficas, clínicas y ecográficas de la enfermedad de nódulos tiroideos en adultos y explorar la relación con la malignidad del tumor. Métodos Estudio transversal analítico, retrospectivo, en adultos con nódulos tiroideos y aspiración con aguja fina nodular realizada en pacientes adultos de un centro de referencia colombiano entre 2009-2019. Los datos se obtuvieron de la historia clínica y se estimaron medidas descriptivas de las variables demográficas, clínicas y ecográficas de los pacientes y se exploró su relación con la malignidad del tumor. Resultados Se incluyeron 445 pacientes y 515 nódulos. La mediana de edad fue de 55 años (RIQ 44-64), 86,8% mujeres, 54,8% tenía lesión única. El 80,2 y el 19,8% eran nódulos benignos y malignos, con una mediana de 15,7mm (RIQ 11-25) y 12,7mm (RIQ 8,5-18,3), respectivamente (p<0,001). El hipotiroidismo y el consumo de levotiroxina fueron mayores en quienes tenían nódulos malignos, (p<0,001). Las características ecográficas fueron diferentes estadísticamente entre los nódulos: en los malignos hubo mayor frecuencia de composición sólida, hipoecogenicidad y margen irregular, mientras que en los benignos se destacó la ausencia de foco ecogénico (p<0,001). Conclusión Las características ecográficas son fundamentales para definir el riesgo de malignidad de un nódulo tiroideo, por lo cual, considerar las más frecuentes puede ayudar en el abordaje más adecuado desde la atención primaria (AU)

Background and objective Thyroid nodules are among the most frequent conditions, with a 10% risk of malignancy. The objective is to describe the frequency of demographic, clinical, and ultrasonographic characteristics of thyroid nodule pathology in adults and to explore the relationship with tumor malignancy. Methods An analytical, retrospective cross-sectional study in adults with thyroid nodules and nodular fine-needle aspiration performed in adult patients from a Colombian reference center between 2009-2019. Data were obtained from the clinical history, descriptive measures of the patient's demographic, clinical, and ultrasound variables were estimated, and their relationship with the malignancy of the tumor was explored. Results A total of 445 patients and 515 nodules were included. The median age was 55 years (IQR 44-64), 86.8% of women, and 54.8% had a single lesion. Percentages of 80.2 and 19.8 were benign and malignant nodules, with a median of 15.7mm (IQR 11-25) and 12.7mm (IQR 8.5-18.3), respectively (p<0.001). Hypothyroidism and levothyroxine consumption were higher in those with malignant nodules (p<0.001). The echographic characteristics were statistically different between the nodules. In the malignant ones, there was a higher frequency of solid composition, hypoechogenicity, and irregular margins. In contrast, in the benign ones, the absence of echogenic focus stood out (p<0.001). Conclusion The ultrasound characteristics are essential to define the risk of malignancy of a thyroid nodule. Therefore, considering the most frequent ones can help in the most appropriate approach to primary care (AU)

[Sociodemographic, clinical and ultrasound characterization of thyroid nodule pathology and its association with malignancy in a Colombian high-complexity center]. / Caracterización sociodemográfica, clínica y ecográfica de la enfermedad de nódulos tiroideos y su relación con la malignidad en un centro de alta complejidad colombiano.

BACKGROUND AND OBJECTIVE: Thyroid nodules are among the most frequent conditions, with a 10% risk of malignancy. The objective is to describe the frequency of demographic, clinical, and ultrasonographic characteristics of thyroid nodule pathology in adults and to explore the relationship with tumor malignancy. METHODS: An analytical, retrospective cross-sectional study in adults with thyroid nodules and nodular fine-needle aspiration performed in adult patients from a Colombian reference center between 2009-2019. Data were obtained from the clinical history, descriptive measures of the patient's demographic, clinical, and ultrasound variables were estimated, and their relationship with the malignancy of the tumor was explored. RESULTS: A total of 445 patients and 515 nodules were included. The median age was 55 years (IQR 44-64), 86.8% of women, and 54.8% had a single lesion. Percentages of 80.2 and 19.8 were benign and malignant nodules, with a median of 15.7mm (IQR 11-25) and 12.7mm (IQR 8.5-18.3), respectively (p<0.001). Hypothyroidism and levothyroxine consumption were higher in those with malignant nodules (p<0.001). The echographic characteristics were statistically different between the nodules. In the malignant ones, there was a higher frequency of solid composition, hypoechogenicity, and irregular margins. In contrast, in the benign ones, the absence of echogenic focus stood out (p<0.001). CONCLUSION: The ultrasound characteristics are essential to define the risk of malignancy of a thyroid nodule. Therefore, considering the most frequent ones can help in the most appropriate approach to primary care.

[Metabolic curietherapy with P-32 in bone metastases in breast cancer]. / Curieterapia metabólica con P-32 en las metástasis óseas del cáncer de mama.

The administration of radioactive phosphorus (P-32) for the treatment of pain in metastatic bone lesions from breast cancer shows palliative effects lasting three to nine months. The evolution of the disease is not modified.