Background Most research on preoperative anxiety has focused on non‐Latino populations. A study performed in the USA found that children from Spanish‐speaking Latino families experienced higher anxiety than children from English‐speaking families. Aims To report the incidence and level of preoperative anxiety in native Spanish‐speaking children living in their home country and to assess risk factors associated with higher anxiety levels. Methods Data were collected from 204 children aged 2‐12 undergoing elective surgery in a Chilean hospital. Patients' demographic data, surgery‐related information, and self‐reported parental anxiety were collected. Children's anxiety was measured using the Modified Yale Preoperative Anxiety Scale. An anxiety score greater than 30 indicated significant anxiety. The main outcome for analyzing risk factors was children's anxiety level in the operating room. Results Significant preoperative anxiety was observed in 41.7% (95% CI: 34.8%–48.8%) of patients, with median anxiety score of 26.6 (IQR, 23.4‐46.6). A significant positive correlation was observed between self‐reported parental anxiety in the preoperative holding room and children's anxiety in the operating room (r = .153, P = .02), with a higher median difference when mothers are present in anesthesia induction (36.8 vs 30.7, respectively; P = .006). Linear regression analysis found previous negative surgical experience to be associated with higher anxiety levels in the operating room (β = 16.057, P = .014). Conclusions Spanish‐speaking children undergoing elective surgery in their home country experienced significant rates of preoperative anxiety. Parental anxiety and previous negative surgical experience were risk factors associated with higher anxiety levels.

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CT-guided core biopsy for retroperitoneal lesions. Experience in 136 procedures Background: CT-guided core biopsy is a widely used diagnostic technique for retroperitoneal lesions. Aim: To evaluate the diagnostic yield and safety of this procedure. Material and Methods: Review of medical records of 136 patients aged 57 ± 16 years (55% males) subjected to core biopsies performed between 2006 and 2016. Procedure images, biopsy reports and patients' medical charts were reviewed. Diagnostic yield was calculated in those patients whose final diagnosis was confirmed using strict criteria for malignancy. Results: A final diagnosis was confirmed in 122/136 patients. Of these, 110 had malignant lesions. The sensitivity and global accuracy of the procedure for malignancy were 93%. In only 4 of 13 benign lesions (31%), a specific diagnosis was obtained with the biopsy. Only minor complications were reported (6 small, self-contained hematomas). There were no major complications. Conclusions: CT-guided core biopsy of retroperitoneal lesions is a safe procedure, with an excellent diagnostic yield.

IntroducciónEn ecografía, las microcalcificaciones en nódulos tiroideos y su relevancia para el diagnóstico ha sido ampliamente estudiada, existiendo una asociación fuerte entre su presencia y el riesgo de malignidad, en especial, en relación al cáncer papilar de tiroides (CPT) 1, 2 . Desde un punto de vista anatomopatológico, se considera que representan la presencia de cuerpos de psammoma (CPs) (Figura 1) 3 .Microcalcificaciones y focos ecogénicos puntiformes, ¿qué tan bien sabemos lo que estamos viendo?