Evaluation of changes in kyphosis angle, apex and quality of life of patients with Scheuermann kyphosis using Kyphologic brace.

INTRODUCTION: Kyphosis treatment aims to prevent curve progression and deformity correction. This study aimed to evaluate the long-term beneficial effects of Kyphologic brace treatments in patients with Scheuermann kyphosis. METHODS: This retrospective case series study was performed on patients with Scheuermann kyphosis treated with a Kyphologic brace from 2013-2020. Demographic data, including age, gender, and duration of treatments, were extracted. Mean kyphosis angles before, one month and 1 year after treatments were collected. Patients were followed for at least 18 months after treatments. The location of kyphosis apex was also noted and classified into the following groups: upper thoracic, mid thoracic, lower thoracic, and thoracolumbar. RESULTS: 48 patients with Scheuermann kyphosis enrolled in the present study. The mean age of the patients was 12.95 ± 1.4 years. The average follow-up time in this study was 23.02 ± 11.8 months. The mean kyphosis angle before treatments was 63.66 ± 9.51°, which decreased significantly after one month (to 43.33 ± 8.7°) and after 1 year (to 37.6 ± 9.4°) of treatments with Kyphologic brace compared to before treatments (P < 0.001). The most common location of kyphosis apex was in mid-thoracic with 77% frequency. CONCLUSIONS: In this study, we showed that using a Kyphologic brace was associated with a significant reduction in kyphosis angle in patients. Our results emphasized the effectiveness of this brace in patients with Scheuermann kyphosis.

Centrally-located transverse myelitis would facilitate the differentiation of NMOSD and MOG-AD from MS.

OBJECTIVES: Differentiating neuromyelitis optica spectrum disorder (NMOSD) and Myelin oligodendrocyte glycoprotein antibody disease (MOG-AD) from multiple sclerosis (MS) is important since MS therapies might result in progression and relapse of the former diseases. Evidence of long extending transverse myelitis (LETM) in magnetic resonance imaging (MRI) is one of the requirements to make an NMOSD diagnosis. However, centrally located lesions on spinal MRI may bring higher sensitivity and specificity to the NMOSD and MOG-AD diagnosis. METHODS: We aimed to assess the association between NMOSD diagnosis and the presence of centrally located lesions at disease onset. We reviewed 102 medical records from the Isfahan MS clinic who presented with cervical cord lesions and 17 MS, 23 NMOSD, and 6 MOG-AD patients were selected. We collected demographic, clinical, and MRI data of patients who had clinical presentations of cervical cord lesion at disease onset, and the characteristics of the lesion were studied. RESULTS: There was an association between NMOSD diagnosis and presence of a centrally located lesion (CLTM) (P < 0.001), presence of an LETM (P < 0.001), and an intermediate to high axial cord expansion (P < 0.001). CLTM and LETM can also be found in MOG-AD patients. The presence of CLTM (sensitivity and specificity: 95.65% and 69.56%), possessed higher sensitivity and specificity for NMO diagnosis than LETM presence (sensitivity and specificity: 78.26% and 43.47%). CONCLUSION: A diagnostic criteria including the centrality, location, and expansion of the transverse myelitis lesions, in addition to LETM, may be more accurate in the diagnosis of NMOSD and MOG-AD and their distinction from MS.

Evaluation of long term outcome of selective fusion in patients with idiopathic scoliosis.

BACKGROUND: Instrumented fusion is the standard treatment in adolescent idiopathic scoliosis (AIS). In patients with both thoracic and lumbar curves there is a trend toward fusing the major curve and keeping the spine mobile with greater function in the future. To evaluate the results of selective fusion in patients with AIS, we aimed to do this research in eligible patients with adolescent idiopathic scoliosis referred to educational hospitals in Isfahan, Iran. METHODS: This is a retrospective cross-sectional study which was performed in 2019 in educational hospitals in Isfahan. The study population consisted of 21 patients with idiopathic scoliosis who had been treated with the selective fusion method in 2010-2018. Demographic data of patients including age, sex, and previous medical history and operation results were noted from medical documents of all patients. Cobb's angle measurements and assessments related to complications, Patients' satisfaction and outcome of the surgery were assessed using Patient Outcome Questionnaires developed by Scoliosis Research Society (SRS-22) and 36-Item Short Form Survey (SF-36) questionnaires. RESULTS: A total of 21 patients with idiopathic scoliosis were enrolled in the study. The lowest follow-up duration was 2 years and the longest duration was 10 years. We showed that the mean upper curve before interventions were 50.66±7.55 and the mean lower curve before interventions was 35.19±3.86. These amounts improved significantly after surgeries (P<0.001). Evaluation of thoracic apical vertebral translation (AVT) to thoracolumbar or lumbar AVT ratio also showed significant improvements (P<0.001). CONCLUSION: Patients undergoing selective fusion benefit from this surgical procedure. The upper and lower curves improved significantly and 85.8% of patients were satisfied with the surgery. Stopping fusion above the L2 in all patients left the lumbar spine mobile which is an important factor in patient satisfaction. We suggest that selective fusion be considered for surgical treatment of some patients with idiopathic scoliosis.

Treatment of pilon fractures with low profile plates.

BACKGROUND: Treatments of pilon fracture is an important operative challenge due to high prevalence of post-operative complications. In this paper, we aimed to evaluate the complications of the use of low profile plates for pilon fractures. METHODS: This clinical trial that was performed in 2017-2021 in Isfahan on 27 patients with pilon fractures. Demographic data of patients such as age, gender, type of pilon fracture and baseline pathology of pilon fractures were collected. Patients were treated using low profile plates under surgical procedures. Within 1 month, 3 months and 6 months after surgeries, patients were visited and assessed regarding superficial wound infections, deep wound infections, and evidence of osteomyelitis, vascular injuries, non-union and mal-union using both physical examinations and imaging studies via X-ray. We also measured the functions of cases using The American Orthopedic Foot and Ankle Score (AOFAS) questionnaire. RESULTS: Most cases had 3 days (33.3%) and 5 days (33.3%) of hospitalization. Superficial wound infection was observed in 7 cases (26%). Deep surgical site infections were observed in 2 cases (7.4%) and we had only 1 case of osteomyelitis (3.7%). No vascular injuries were observed in this study. Evaluation of union among patients showed that 2 cases (7.4%) had non-union and 5 cases (18.5%) had malunion in the anterior-posterior axis, but none of the patients had malunion in the coronal axis. Based on AOFAS questionnaire, the mean score in patients was 88.36±14.20. CONCLUSION: Treatments of pilon fractures by low profile plates have similar complications compared to other treatment options.

Pain relief and associated factors in patients undergoing vertebroplasty due to osteoporotic vertebral fracture.

BACKGROUND: Osteoporotic vertebral fracture (OVF) is a common spinal fracture in the elderly population treated with conservative or surgical techniques. Patients with such fractures may experience chronic pain due to nonunion and instability, deformity with kyphosis and neurologic symptoms due to neural compression. Surgical interventions have definite roles in treatments especially when conservative therapy fails. Cement augmentation in forms of vertebroplasty and kyphoplasty or even surgical fixation with or without column reconstruction are among our armamentarium to deal with problems arising during the treatment of these patients. METHODS: We entered patients with OVF who did not respond to conservative treatments for more than 4 weeks and were candidates for vertebroplasty. Pain Visual Analog Scale (PVAS) was assessed for patients before the procedure, in the first month and 6 months after surgeries. We also analyzed factors including time passed from fractures, amounts of injected cement, age, sex, types of fractures, segmental kyphosis and sites of fractures. Data were collected and analyzed using SPSS software version 24. RESULTS: A total number of 140 patients entered. The mean age of the patients was 64.90±7.97 years. Mean preoperative pain level was 8.35±0.97 points on VAS (0-10) score. The mean Post-operative VAS score after one month and after six months were 4.65±0.66 and 5.28±0.75 respectively. The mean consumed cement volume was 5.77±1.40 ml. Cement volume of more than 5 ml was injected for 53.6% of patients. 78.7% of fractures were located in T10-L2 levels (thoracolumbar fractures). 14.2% of fractures in L3-L5 (lumbar fractures) and 7.1% in T4-T9 (thoracic fractures). 53.6% of the patients had kyphosis levels below 20 degrees. Reduction of pain in patients younger than 60 years was more than patients older than 60 years but both groups indicated pain reduction (P<0.001). The end-plate fracture had a higher likelihood of pain relief compared with burst or retropulsed fractures (OR=1.161). Patients with thoracolumbar fractures had higher chances of pain reduction compared with other locations (OR=1.870). Kyphosis less than 20 degrees and also cement volume more than 5 ml had also significant effects on reducing the pain after surgeries (OR=2.054 and OR=2.412 respectively (P<0.05)). CONCLUSION: Vertebroplasty is an effective option in treating patients with OVF who have not respond to conservative treatment. Factors such as younger age, OVFs involving either end-plates, more than 5 ml of cement injection, segmental kyphosis below 20 degrees and thoracolumbar fractures are associated with better results for pain amelioration.

Cobalt chromium-Titanium rods versus Titanium-Titanium rods for treatment of adolescent idiopathic scoliosis; which type of rod has better postoperative outcomes?

OBJECTIVE: Compare the outcome of spinal deformity correction between Ti-Ti and CrCo-Ti rods for the treatment of spinal Adolescent Idiopathic Scoliosis (AIS) using rods mentioned with all pedicle screws and translation technique. METHOD: 59 patients operated for spinal deformity (Lenke 1 or 2) AIS. The patients were divided into two groups by random allocation using Ti-Ti rods (n = 29) and CrCo-Ti rods (n = 30) and the alone difference among them in the surgical procedure was rod material (Ti-Ti or CrCo-Ti rods) and finally, radiological outcomes were compared preoperatively, postoperatively and at last follow-up for 12 months. RESULTS: Patients' main curve correction after surgical procedure regardless type of rod was 48.95±11.04 (13-75) degree. Success rate of spinal deformity correction following surgical procedure regardless of type of administered rod was 86.76 ± 11.30 percent (62.5-100%). Mean of deformity correction rate was 91.49±10.67% using CrCo-Ti rods versus 81.86±9.88% using Ti-Ti rods (P-value=0.01). Angle change was 3.29±6.60 for kyphosis angle and 0.59±7.76 for lordosis angle. Rate of main curve correction was not significantly different considering patients' gender (P-value0.657). Main curve correction success rate was in association with patients' age and type of rod (P-value=0.054, r=-1.863 and P-value=0.001, r=8.865 respectively). CONCLUSION: CrCo-Ti rods have the ability to produce higher correction rates in AIS compared to Ti-Ti rod of the same diameter. CrCo-Ti rods provide significant and stable spinal correction, especially in correction of main curve. This rate was associated with patients' age and type of rod administered but not gender.

Cobalt chromium-Titanium rods versus Titanium-Titanium rods for treatment of adolescent idiopathic scoliosis; which type of rod has better postoperative outcomes?

SUMMARY OBJECTIVE; Compare the outcome of spinal deformity correction between Ti-Ti and CrCo-Ti rods for the treatment of spinal Adolescent Idiopathic Scoliosis (AIS) using rods mentioned with all pedicle screws and translation technique. METHOD; 59 patients operated for spinal deformity (Lenke 1 or 2) AIS. The patients were divided into two groups by random allocation using Ti-Ti rods (n = 29) and CrCo-Ti rods (n = 30) and the alone difference among them in the surgical procedure was rod material (Ti-Ti or CrCo-Ti rods) and finally, radiological outcomes were compared preoperatively, postoperatively and at last follow-up for 12 months. RESULTS; Patients' main curve correction after surgical procedure regardless type of rod was 48.95±11.04 (13-75) degree. Success rate of spinal deformity correction following surgical procedure regardless of type of administered rod was 86.76 ± 11.30 percent (62.5-100%). Mean of deformity correction rate was 91.49±10.67% using CrCo-Ti rods versus 81.86±9.88% using Ti-Ti rods (P-value=0.01). Angle change was 3.29±6.60 for kyphosis angle and 0.59±7.76 for lordosis angle. Rate of main curve correction was not significantly different considering patients' gender (P-value0.657). Main curve correction success rate was in association with patients' age and type of rod (P-value=0.054, r=-1.863 and P-value=0.001, r=8.865 respectively). CONCLUSION; CrCo-Ti rods have the ability to produce higher correction rates in AIS compared to Ti-Ti rod of the same diameter. CrCo-Ti rods provide significant and stable spinal correction, especially in correction of main curve. This rate was associated with patients' age and type of rod administered but not gender.

RESUMO OBJETIVO: Comparar o resultado da correção da deformidade da coluna vertebral com ligas de Ti-Ti e CrCo-Ti para o tratamento da Escoliose Idiopática do Adolescente (EIA) na coluna usando as ligas mencionadas com todos os parafusos pediculares e técnica de tradução. MÉTODO: 59 pacientes operados por EIA com deformidade da coluna vertebral (Lenke 1 ou 2). Os pacientes foram divididos em dois grupos por alocação aleatória usando ligas de Ti-Ti (n = 29) e ligas de CrCo-Ti (n = 30) e a única diferença entre eles no procedimento cirúrgico foi o material da liga (ligas de Ti-Ti ou CrCo-Ti) e, finalmente, resultados radiológicos foram comparados no pré-operatório, pós-operatório e no último retorno por 12 meses. RESULTADOS: A correção da curva principal do paciente após o procedimento cirúrgico, independentemente do tipo de liga, foi de 48,95±11,04 (13-75) graus. A taxa de sucesso da correção da deformidade da coluna vertebral após o procedimento cirúrgico, independentemente do tipo de liga administrada, foi de 86,76 ± 11,30% (62,5-100%). A média da taxa de correção da deformidade foi de 91,49±10,67% usando ligas de CrCo-Ti e 81,86±9,88% usando ligas de Ti-Ti (valor de P = 0,01). A mudança de ângulo foi de 3,29±6,60 para o ângulo de cifose e de 0,59±7,76 para o ângulo de lordose. A taxa de correção da curva principal não foi significativamente diferente considerando o sexo dos pacientes (Valor de P 0,657). A taxa de sucesso da correção da curva principal foi associada à idade do paciente e ao tipo de liga (valor de P=0,054, r=-1,863 e valor de P=0,001, r=8,865, respectivamente). CONCLUSÃO: As ligas de CrCo-Ti têm a capacidade de produzir taxas de correção mais altas em EIA em comparação com a liga de Ti-Ti do mesmo diâmetro. As ligas de CrCo-Ti fornecem uma correção espinhal significativa e estável, especialmente na correção da curva principal. Essa taxa foi associada à idade e ao tipo de liga administrada, mas não ao sexo.

Successful brace treatment of Scheuermann's kyphosis with different angles.

BACKGROUND: Scheuermann's disease is regarded as the most common cause of structural hyperkyphosis within adolescents without any proper treatment. It may lead to progressive deformity and back pain which influences patient's quality of life during adolescence and adulthood. Treatment approach to Scheuermann's kyphosis has not been clearly defined due to its different definitions and obscure natural history. The goal of treatment is not only to prevent progression but also to obtain permanent correction. Bracing, especially Milwaukee brace and physiotherapy are two of the common nonoperative treatment modalities. Hence, the present study intended to evaluate the effectiveness of Milwaukee brace on progression control as well as correction of Scheuermann's kyphosis. MATERIALS AND METHODS: In a retrospective, observational study, all the patients diagnosed with Scheuermann's kyphosis were reviewed in 2003-2013, who were treated by Milwaukee brace at a single center. There was a minimum of 2-year follow-up after completion of bracing, during which clinical and radiological parameters were identified and recorded. RESULTS: The mean angle of kyphosis in these patients at the presentation was 63.24 ± 9.96 and at the end of this study was 36.5° ± 13.4° (P < 0.001). Moreover, mean improved angle in those patients with <75° of kyphosis was 25.26° ± 7.78° and in those with 75° or more than 75° of kyphosis was 26.77° ± 19.76° (P < 0.001). CONCLUSION: Conservative treatment with Milwaukee brace and physiotherapy was effective in our hand for halting kyphosis progression in 97.5% of Scheuermann's kyphosis, which could be advised for cases up to 90° of kyphosis before skeletal maturity. As a result, a trial of brace treatment could be recommended in patients with severe kyphosis (up to 90°) which can open a new insight in conservative treatment of Scheuermann's kyphosis.

Posterolateral instrumented fusion with and without transforaminal lumbar interbody fusion for the treatment of adult isthmic spondylolisthesis: A randomized clinical trial with 2-year follow-up.

BACKGROUND: Spondylolisthesis is a common cause of surgery in patients with lower back pain. Although posterolateral fusion and pedicle screw fixation are a relatively common treatment method for the treatment of spondylolisthesis, controversy exists about the necessity of adding interbody fusion to posterolateral fusion. The aim of our study was to assess the functional disability, pain, and complications in patients with spondylolisthesis treated by posterolateral instrumented fusion (PLF) with and without transforaminal lumbar interbody fusion (TLIF) in a randomized clinical trial. MATERIALS AND METHODS: From February 2007 to February 2011, 50 adult patients with spondylolisthesis were randomly assigned to be treated with PLF or PLF+TLIF techniques (25 patients in each group) by a single surgeon. Back pain, leg pain, and disability were assessed before treatment and until 2 years after surgical treatment using visual analog scale (VAS) and oswestry disability index (ODI). Patients were also evaluated for postoperative complications such as infection, neurological complications, and instrument failure. RESULTS: All patients completed the 24 months of follow-up. Twenty patients were females and 30 were males. Average age of the patients was 53 ± 11 years for the PLF group and 51 ± 13 for the PLF + TLIF group. Back pain, leg pain, and disability score were significantly improved postoperatively compared to preoperative scores (P < 0.001). At 3 months of follow-up, there was no statistically significant difference in VAS score for back pain and leg pain in both groups; however, after 6 months and 1 year and 2 years follow-up, the reported scores for back pain and leg pain were significantly lower in the PLF+TLIF group (P < 0.05). The ODI score was also significantly lower in the PLF+TLIF group at 1 year and 2 years of follow-up (P < 0.05). One screw breakage and one superficial infection occurred in the PLF+TLIF group, which had no statistical significance (P = 0.373). CONCLUSION: It seems that accompanying TLIF with PLF might lead to better functional improvement and pain reduction in patients with spondylolisthesis.

Causes and rates of revision total knee arthroplasty: Local results from Isfahan, Iran.

BACKGROUND: Knee replacement is one of the most frequently performed surgical procedures in the world. Local data on revision total knee arthroplasty (TKA) are limited. This study aims to assess the rates and causes of revision TKA in Kashani Hospital (Isfahan, Iran) from 2011 to 2013. MATERIALS AND METHODS: We assessed all primary TKA and revision TKA procedures performed from 2011 to 2013 for the rate and causes of failures. Demographic data, duration from primary TKA to revision TKA and underlying diagnosis for primary TKA were also assessed. RESULTS: Overall, 353 primary TKA procedures carried out in this period. The overall revisions following primary TKA in this period was 24 cases, indicating a revision burden of 6.8%. The most common cause of revision TKA was infection, which was in 16 cases (44.4%). Other causes included patellar complications, mechanical loosening of both tibia and femur, mechanical loosening of tibia, instability, and periprosthetic fracture. The main revision procedures were all component revision, tibial component revision, isolated tibial insert exchange and patellar tendon repair. The most common revision procedure was two stage all component revision, which was carried out in 13 subjects (36.1%). CONCLUSION: Local indications for revision TKA are mainly similar to those in other large centers. As compared with other centers, with considering the follow-up time, revision burden is relatively higher in this center.

Clinical Findings and Results of Surgical Resection in 19 Cases of Spinal Osteoid Osteoma.

STUDY DESIGN: Descriptive cases series. PURPOSE: To evaluate clinical findings and results of conventional surgery in patients with spinal osteoid osteoma (OO). OVERVIEW OF LITERATURE: OO is a rare benign tumor with spinal involvement rate of about 10%-20%. METHODS: This descriptive study was conducted on 19 patients (11 males and 8 females with an average age of 19.8 years) with documented histopathological and imaging findings of OO referred to a university hospital. Neurologic symptoms and pain were scored before and after the open surgical excision. Data were analyzed by SPSS ver. 16 software using chi-square and significance level of 0.05. RESULTS: The most common complaint was back or neck pain (84.2%) and in 68.4% spinal deformity (mostly scoliosis) shown with an average cobb angle of 21° at presentation. The sites of involvement were 35% in the lumbar, 35% in the thoracic, 25% in the cervical, and 5% in the sacrum. Lamina was the most common site (50%) of involvement with predilection for the right side (p=0.001). All patients were treated by conventional surgical excision with a complete recovery of pain and deformity. No recurrence occurred after a mean follow up of 44.5 months, but 4 of 19 cases instrumented because of induced instability. In one case there were two levels of involvement (C7-T1) simultaneously. Interestingly, 10 out of 19 of our cases belonged to a specific race (Bakhtiari). CONCLUSIONS: Surgical intra-lesional curettage is potentially an effective method without any recurrence, which can lead to spontaneous scoliosis recovery and pain relief. Race may be a potential risk factor for spinal (OO).

Relationship of knowledge about osteoporosis with education level and life habits.

AIM: To assess possible relationships of knowledge and related factors with educational level and osteoporosis-related life habits. METHODS: This was a cross sectional study conducted on 268 women (≥ 35 years old) from June 2011 to August 2011. The sample collection was done in outpatient clinics in three university hospitals in Isfahan, Iran. We used a demographic questionnaire containing questions that evaluated osteoporosis-related life habits, including exercise, smoking, intake of calcium and vitamin D supplements and so on. We also used the Osteoporosis Knowledge Assessment Tool to measure osteoporosis knowledge of women. RESULTS: The mean level of knowledge about awareness of osteoporosis, its risk factors and preventive factors were 56, 55 and 22, respectively. The relationship of education level and awareness of osteoporosis, its risk factors and preventive factors was significant, with R = 0.76, R = 0.73 and R = 0.83, respectively (P < 0.001). The relationship of education level and osteoporosis-related life habits was not significant (R = 0.03 and P = 0.56). The relationship of osteoporosis-related life habits and awareness of osteoporosis and its risk factors was significant, with R = 16%, P = 0.006 and R = 16%, P = 0.008, respectively, but the relationship of osteoporosis-related life habits and preventive factors was not significant (R = 0, P = 0.99). CONCLUSION: Iranian women with a higher education level have significantly better knowledge about osteoporosis than women with a lower educational level but they do not use this knowledge in their life.

What is the source of low back pain?

AIMS: Determining the source of low back pain (LBP) is still controversial. This study was designed to determine the source of LBP and its relations with age and gender. SETTINGS AND DESIGN: A retrospective chart review at Isfahan University of Medical Sciences, Isfahan, Iran. MATERIALS AND METHODS: A total of 1,125 patients were evaluated to determine the sources of their LBP with physical examinations, imaging, injections, and other laboratory examinations, if needed. The patients were divided into five groups based on their ages. Frequencies of the sources of pain were assessed in the five age groups, and the assessments were done separately by gender. STATISTICAL ANALYSIS USED: Independent t-test, analysis of variance (ANOVA), chi-square test. RESULTS: The patients enrolled in this study consisted of 527 males (46.8%) and 598 females (53.2%). The frequencies of the sources of pain were, in descending order, spine (689, 61.2%), no cause found (163, 14.5%), spine with sacroiliac joint (SIJ) (72, 6.4%), spine with hip (65, 5.8%), SIJ (60, 5.3%), hip (44, 3.9%), spine along with hip and SIJ (20, 1.8%), hip with SIJ (8, 0.7%), and other diseases (4, 0.4%). There were significant statistical differences between the genders and mean ages for different sources (P = 0.03 and 0.000, respectively). CONCLUSIONS: This study showed that the spine was the main source of LBP in all age groups. Physicians should always be alert for other sources in middle-aged and older patients. Future studies with long-term follow-up for determining the benefits of treatments are warranted.

Recurrent Hydatosis at the Site of Non-union Humerus Fracture.

Hydatid disease is still endemic in several regions of the world and is caused by two species of tapeworms, Echinococcus granulosus and Echinococcus alveolaris. It primary involves liver and lung, and bone involvement is relatively rare (0.2-4%), where it is most commonly seen in the spine. The skeletal involvement is usually due to secondary extension such as hematogenous spread. The disease has usually a silent manifestation until a complication exists; so, many cases are diagnosed intraoperatively. Treatment of hydatid disease because of its bone involvement and spillage of fluid with subsequent contamination seeding is difficult, so it has a high mortality rate and many cases will recur. Therefore, we can prevent these occurrences if we treat hydatid disease completely and in the primary stage. Adjuvant medical treatment, if the diagnosis is known, prevents systemic spread and recurrence. Here, we present a primary recurrent hydatosis at the site of non-union humerus fracture. We have pointed out osseous hydatosis as one of the important differential diagnoses in destructive bone lesions and the necessity of its radical resection.

Intraosseous ganglion cyst of olecranon.

Intraosseous ganglia are benign cysts that usually can be seen in lower extremity; especially around ankle. These cysts have fewer incidences in upper extremity, mainly around the wrist. They are extremely rare in olecranon. These lesions are often asymptomatic. Patient was a 75-year-old man who had trauma many years ago. When he came to our clinic, he complained of severe pain around his elbow that he could not do ordinary activity. He had local tenderness in elbow and 30 degree limitation in extension. In radiography, lytic, multiloculated lesion existed in region of olecranon. After excisional biopsy was done, cavity was cleaned completely with curette and was filled with autogenous bone. At 10-year follow-up, the patient was completely asymptomatic. Control radiograph showed cavity filled completely by bone; there was no evidence of relapse.

Efficacy of tibial proximal osteotomy in correction of lower limb alignment indexes in patients with osteoarthritis in medial compartment of knee.

NTRODUCTION: Tibial proximal osteotomy is one of the treatments for patients with knee compartment osteoarthritis. Studies showed 80% good prognosis in five years follow up after osteotomy. Almost always this method is used for pure medial knee compartment osteoarthritis that has a varus deformity. THE AIM of all methods is reforming varus deformity and lower limb alignment to gain 3 to 5 degree extra reformation and take knee in 10 degree valgus. One of the main etiologies for patients inconvenience and no decreasing in their pain is overcorrection or undercorrection, but unfortunately these can't be noticed. Therefore we must make sure that additional stress on the medial joint line was eliminated and regeneration of cartilage was facilitated or at least occurrence of osteochondritis was decreased. So we aimed to determine the efficacy of tibial proximal osteotomy in lower limb alignment indexes in patients with osteoarthritis in medial compartment of knee. MATERIAL AND METHODS: This study is a clinical trial study that has done in Alzahra University Hospital of Isfahan Medical Science University in Iran since June 2010 till February in 2011. Patients had pain, pure medial knee compartment osteoarthritis and varus deformities were determined for study. Patients who wouldn't come for control, those who had no convenience for giving their data or osteoarthritis of all three compartments were excluded from study. Number of patients has determined 40 persons according to previous studies. Sampling occurred convenient. Before any surgical processes, the AP x-ray radiography was applied for alignment view. The demographic and radiographic data was registered. Six months later we applied AP x-ray radiography again and obtained data and analysis them with SPSS software and T-Paired statistical method. RESULTS: The mean of anatomical limb angle before and after surgical process were 5.1 +/- 3.4 varus and 11.9 +/- 3.4 degree valgus, respectively,so with T-test there was a significant difference between them (P < 0.001). The mean of mechanical limb angle before and after surgical process were 12.6 +/- 3.4 varus and 4.75 +/- 3.5 degree valgus, respectively. Therefor with T-test, there was significant difference between them (P < 0.001). CONCLUSION: Results were achieved from this study showed that Tibial proximal osteotomy is appropriate treatment for young and middle age patients with progressive deformity, symptomatic varus knee. Key words: Tibial proximal osteotomy, Knee, Osteoarthritis, Varus deformity.