Kidney size was determined in a sonographic study of 325 children without kidney pathology. Real-time ultrasound equipment adjusted for the pediatric age group, provided standardized renal biometry. Outer kidney diameters showed a linear correlation to somatic developmental parameters. Renal volume was established by the formula for an ellipsoid and showed good correlation to body weight. Growth charts for kidney length and volume in childhood are constructed and provide the basis for objective intra- and interindividual determination of renal size.
In 194 healthy children of all ages, sonographic measurements of the liver and spleen were performed on standardized section planes and normal values established. These measurement values showed an approximately linear increase in the course of development and correlated best with the body length. For a rapid orientational evaluation of the liver size, sonographic nomograms of the individual measurements were developed. The spleen size was determined by volume calculation. On the basis of an index of liver size, which was calculated from the individual measurements, a diagram for simultaneous determination of liver and spleen size could be developed. These nomograms permit objective morphometry of size changes in the two organs.
Even though WT-S are believed to carry a low risk for end-stage renal disease, in this study, a remarkable number of WT-S presented with previously unidentified subclinical signs of renal function impairment and secondary morbidity. Therefore, it is important to continue regular follow-up, especially after transition into adulthood.
Compensatory growth in 27 undiseased congenital solitary kidneys and in 31 solitary kidneys in patients with Wilms tumour was monitored in long-term follow-up studies by ultrasound volume biometry. In congenital solitary kidneys hypertrophy was not detectable at the time of birth. Parenchymal mass increase achieved 188% of the volume of a healthy kidney within at least 4 years of life and afterwards paralleled the physiological growth documented in healthy kidney pairs. Disease-free kidneys in Wilms tumour patients all developed a similar 180% volume augmentation within 2-4 years after nephrectomy, irrespective of the chosen mode of radiation and single or triple chemotherapy. The age of the patient at onset of surgical and concomitant conservative therapy determined slight differences in kinetics but not in degree of compensatory growth.
Septic arthritis of the sternoclavicular joint (SCJ) is a relatively rare disease. Due to serious complications including mediastinitis and generalised sepsis early diagnosis and rapid onset of treatment are mandatory. The disease often affects immunocompromised patients, diabetics, or patients with other infectious diseases. The therapeutic options range from administration of antibiotics to extended surgery including reconstructive procedures. Apart from rare situations where conservative treatment with antibiotics is sufficient, joint resection followed by plastic surgical procedures are required. We present a retrospective analysis with data from two hospitals. From January 2008 to December 2012 23 patients with radiographically confirmed septic arthritis of various aetiology were included. Fourteen (60.8 %) male, nine (39.2 %) female patients with an average age of 60.3 ± 14.2 years (range: 23-88 years) with septic arthritis of the SCJ were treated. Seven (30.4 %) patients suffered from Diabetes mellitus, nine (39.1 %) had underlying diseases with a compromised immune system. In 14 (60.8 %) out of 23 patients a bacterial focus was detected. Only six (26 %) patients suffered from confined septic arthritis of the SCG, in 17 (73,9 %) patients osteomyelitis of the adjacent sternum, and the clavicle was present. In addition, 15 (65.2 %) patients already suffered from mediastinitis at the time of diagnosis, eight (35 %) patients even from septicaemia. In conclusion, septic arthritis requires an active surgical treatment. Limited incision of the joint and debridement alone is only successful at early stages of the disease. The treatment concept has to include the local joint and bone resection as well as complications like mediastinitis. After successful treatment of the infection, the defect of the chest wall requires secondary reconstructive surgery using a pedicled pectoralis muscle flap.
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