This case report concerns a 5-year-old boy who had intervertebral disc calcification with involvement of two disc spaces and herniation of nucleus pulposus in one. The patient's symptoms resolved completely in a week with conservative measures. At the 4-year follow-up, the child was symptom-free and in full health, the herniation of nucleus pulposus had resolved completely, and calcification had disappeared in one of the disc spaces. Although the cause of this disorder is uncertain, the course is benign and self-limiting, it seldom requires surgical intervention, and the natural history is one of resolution and complete resorption of the calcification.

Background:Developmental dysplasia of the hip (DDH) is the most common skeletal dysplasia. Two principal methods used in early diagnosis of DDH are clinical examination and ultrasonographic investigation. Dogruel et al. found a low specificity of clinical examination in patients with DDH. Additionally, Kamath et al. stated that ultrasonography performed by a radiologist in routine clinical practice is more reliable than physical examination performed by the average clinician. In clinical practice, the application and assessment of hip ultrasonography are completed by a single person. This assessment determines the followup of the patient. Thus, hip ultrasonography performed on the same person by different individuals under the same conditions will yield a more accurate assessment of the reliability of ultrasonographic assessment of DDH. Although inter-observer reliability was high in many previous studies of ultrasound image evaluation, reliability rates vary among studies of the application of ultrasonography.Materials and Methods:Inter-examiner reliability of hip ultrasonography was analyzed among four investigators who separately evaluated 100 hips (50 infants). The obtained bone structure angles α, cartilage structure angles β, and distribution of hip types were compared among the investigators. All infants were brought to the hospital for a healthy child followup examination, according to the country's health policy. Babies between 0 and 6 months were included in the study. Babies with any neuromuscular disorders, neural tube defects or any type of genetic anomalies were excluded from the study. The study was explained to the families of all infants and written informed consent was obtained.Results:There was a significant difference in the hip type determined by the investigators with respect to α and β angles (P < 0.01, P < 0.01, P = 0.002). The average alpha measurements of the first orthopedist, second orthopedist, first radiologist, and second radiologist were 67.38 ± 6.24, 65.60 ± 5.84, 65.44 ± 4.59, and 62.59 ± 4.50, respectively. The average beta measurements of the first orthopedist, second orthopedist, first radiologist, and second radiologist were 53.85 ± 8.86, 50.74 ± 7.80, 44.77 ± 6.30, and 44.39 ± 5.81, respectively. Agreement among the results obtained by the clinicians was investigated in dual comparisons. The relative agreement according to the alpha angle ranged from 3.6% to 44.5%, and the relative concordance according to the beta angle ranged from 0.9% to 45.3%. Agreement regarding hip typing was determined to range from 19.1% to 42.6%.Conclusion:Sonographic evaluation of the hip appears to vary depending on the investigator.

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The aim of this study was to compare the clinical and radiologic results of three different surgical procedures (posterior release with lengthening of the tendo calcaneus and posterior capsulotomy, Turco's technique of posteromedial release, and Simons' technique of complete subtalar release) in idiopathic clubfoot in 77 patients who were operated on at 10 months of age or younger. The clinical examination alone is not sufficient to determine the type of the surgical intervention needed in idiopathic clubfoot; the decision must be supported by the radiologic parameters (anteroposterior and lateral talocalcaneal, first metatarsal-talar, and lateral tibiotalar angles) and all the components of the multiplanar deformity must be corrected at the same time. Simons' technique of complete subtalar release was found to be the most efficient method of surgery both functionally and radiologically in cases of idiopathic clubfoot in infants. The overcorrection of the deformity as a consequence of the concern that the tarsal alignment did not improve adequately is a mistake we make not infrequently and in our opinion this may be avoided by taking perioperative radiographs.

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