Introduction The aim of this was to analyze the effect of different treatment options on radial neck fractures in children and to explore the factors affecting the prognosis of fractures. Methods The clinical data of 131 children with radial neck fractures admitted to our hospital from 2010 to 2018 were retrospectively analyzed, and the patients were divided into 6 groups according to treatment methods [manual reduction with Kirschner wires (K-wires) for internal fixation (group A); manual reduction with elastic stable intramedullary nails (ESINs) for internal fixation (group B); leverage reduction with K-wires for internal fixation (group C); leverage reduction with ESINs for internal fixation (group D); manual and leverage reduction with K-wires/ESINs for internal fixation (group E); and open reduction with K-wires/ESINs for internal fixation (group F)]. Postoperative elbow function and complications were analyzed. Results Among the 131 patients with fractures, the median age was 8 years, the median preoperative angulation was 52°, the follow-up rate was 86.3% (113/131), the average follow-up time was 58.3 months, and the postoperative complication rate was 17.7% (20/113). The comparison among the different treatment groups showed that group B had the best recovery of elbow function, postoperatively, and the lowest postoperative complication rate. Age, duration of hospitalization, and preoperative angulation were independent factors affecting postoperative complications. Older age, longer duration of hospitalization, and higher angulation increase the postoperative complications. Conclusion Different treatment options have different efficacies for radial neck fractures in children, of which manipulative reduction with internal fixation using ESINs can achieve good efficacy and a low postoperative complication rate. Age, duration of hospitalization, and preoperative angulation are independent factors for postoperative complications.

Background: This case report describes a rare and unfortunate incident involving a 14-month-old child who was exposed to mercury. The purpose of this case report is to share the unique and typical image findings of residual mercury in a foreign body, which can aid clinicians in identifying similar cases and providing effective treatment. Case presentation: A 14-month-old child presented with mercury residue in their body, following its discovery in the child's bed. Urine tests showed elevated levels of mercury, and X-rays revealed a large amount of mercury in the child's upper arms and lungs. The patient underwent timely surgical treatment, and while they are currently recovering, they still require ongoing medication and additional treatments. Conclusions: Pediatric exposure to toxic substances such as mercury can have significant consequences for young patients. Early recognition and prompt intervention can prevent significant morbidity and mortality associated with toxicity. Clinicians should be aware of the risks and potential complications associated with heavy metal exposure and take appropriate measures to protect susceptible populations. In addition, sharing image data of unique and typical cases can aid clinicians in identifying similar cases and providing effective treatment.

Background: To investigate the clinical characteristics and surgical efficacy of localized tenosynovial giant cell tumors in children. Methods: The clinical data, surgery, and follow-up results of 17 children with localized tenosynovial giant cell tumors who visited our hospital from 2011 to 2021 were collected for statistical analysis. Results: The median patient age was 7 years and 8 months, and the ratio of males to females was 1.43 (10/7). The predilection of disease was similar in hands and feet, and the common presenting symptom was mass. One patient experienced recurrence after surgery, and one child had postoperative functional limitations. Conclusion: Extremities are common sites of localized tenosynovial giant cell tumors in children. Complete surgical resection helps reduce the recurrence rate. Level of evidence: Level III