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PURPOSE OF THE STUDY We hypothesized that preoperative planning with 3D modeling of complex foot deformities would be useful for the education of orthopedics and traumatology residents. MATERIAL AND METHODS This study is prospectively designed study with a control group. Twenty eight residents (study group) who assisted the surgeons during the interventions and ten senior surgeons (control group) were included in the study. All participants assessed virtual 3D-CT images and videos of the cases before the surgery. Ten adult cases of foot bone deformities were evaluated. 3D-CT reconstruction was performed and a 3D model of each deformity was created using the hospital’s picture archiving and communication system. The completed 3D models were sterilized in hydrogen peroxide and put on the surgical table in a sterile manner. After surgery, the residents (group I) and surgeons (group II) were questioned regarding their satisfaction with 3D modeling. Responses were structured by a five-point Likert scale (1, strongly disagree; 2, disagree; 3, neither agree nor disagree; 4, agree; and 5, strongly agree). RESULTS The surgeons (group II, n = 10) were satisfied with the sterilized 3D models, which they could touch and re-examine on the operating table. The residents (group I, n = 28) were significantly more satisfied than the senior surgeons (p=0.01). The 3D modeling met both the surgeons’ and residents’ expectations. DISCUSSION The survey results for the surgeons (group II) were satisfied with the sterilized 3D models, which they could touch and reexamine on the operating table (question 3). They gave the best scores (mean, 4.8/5) for clarity of the 3D model. On the other hand, they gave the lowest scores (mean 3.1/5) to 3D models due to its contribution in understanding deformity over virtual 3D-CT evaluations (question 2 and 5). The residents (group I) differed from those for the senior surgeons. Residents gave the highest scores for understanding of the deformity (question 2 and 5) and clarity (question 1). These outcomes may be interpreted to indicate i) that 3D modeling may be used for education, and ii) that younger surgeons are more interested in novel technological developments. Therefore, the outcomes did differ significantly between the senior surgeons and residents (Table 1). These outcomes may be explicated as; 3D modeling of the foot deformities may not be mandatory for the experienced surgeons for understanding the deformity. On the other hand 3D modeling would be useful tools for younger surgeons and for their education. CONCLUSIONS 3D modeling of foot deformities is more informative than virtual 3D videos. However, with consideration of costs and long processing times, 3D printing may be used optimally for rare deformities. When considering the role of touch sense in surgical learning, 3D modeling gives more detailed and more satisfactory planning than virtual 3D videos. 3D modeling is more useful for young surgeons, and it will be used mainly for education in the future. [ABSTRACT FROM AUTHOR]

PURPOSE OF THE STUDY In this study it is aimed to prospectively evaluate the safety and efficacy of 20 mg/2 ml Hyaluronic Acid (HA) injections for non-operative palliation treatment of osteoarthritis (OA) of the knee joint. MATERIAL AND METHODS After institutional review board approval was obtained for the study, 63 patients were enrolled and followed prospectively. All the patients have signed informed consent form. Patients who had diagnosis of gonarthrosis according to clinical and radiological evaluation, were given nonsteroid antiinflammatory drug (NSAID) treatment for four weeks. Patients between 55-80 years old in both sexes, whose pain did not relieve were included to the study and were followed up for 6 months. They were applied HA injections in total; three times with one week of interval. Patients were evaluated three times during the study. First one at third week (at the control visit of third injection), secondly at third month and lastly at sixth month. Western Ontario and McMaster Universities Osteoarthritis (WOMAC) and Short Form Health Survey (SF-36) scores were used to clinically evaluate the patients at follow ups. RESULTS 56 (88.9%) patients completed the study and 7 (11.1%) patients did not show up for follow-up examinations and they were excluded. The mean age of the patients was 63.6 ± 6.90 (range 47 and 76) years old. 22 (39.2%) of the patients were male and 34 (60.7%) were female. Any adverse events and adverse effects were not seen in the enrolled patients group. CONCLUSIONS Results of this study revealed that the use of 20 mg/2 ml HA injection was effective in improving the WOMAC index score in patients of knee OA. Additionally, patients' quality of life as measured by SF-36 questionnaire was also significantly improved at the end of the study. None of the patient reported any of the adverse events during the study. Overall, the 20 mg/2 ml HA injection can be considered as a good treatment option for the knee OA in patients who do not respond to non-pharmacological therapy, NSAIDs or analgesics. [ABSTRACT FROM AUTHOR]

Study DesignA randomized prospective study.PurposeTo assess postoperative analgesic requirements after Phyback therapy preemptively in patients undergoing lumbar stabilization.Overview of LiteratureFrequency Rhythmic Electrical Modulation System is the latest method of preemptive analgesia.MethodsForty patients were divided into two groups. Patients who were to receive tramadol were allocated to "group A" and those who were to receive Phyback therapy were allocated to "group B." In patients with a visual analog scale score of >4 or a verbal rating scale score of >2, 75 mg of diclofenac IM was administered. The amount of analgesic consumption, the bolus demand dosage, and the number of bolus doses administered were recorded. Patient satisfaction was evaluated using the visual analog patient satisfaction scale.ResultsThere were statistically significant differences in the visual analog scale and verbal rating scale scores in the fourth, sixth, 12th, and 24th hours. The number of bolus infusions was significantly lower in group B. The amount of analgesic consumption was higher in group A. There was a significant difference between the two groups in the number of bolus infusions and the total amount of analgesic consumption, and this comparison showed better results for group B.ConclusionsApplication of Phyback therapy reduced postoperative opioid consumption and analgesic demand, and it contributed to reducing patients' level of pain and increased patient satisfaction. Moreover, the application of preemptive Phyback therapy contributed to reducing preoperative pain which may have reduced patient anxiety.

The liver has long been identified as a target organ of arsenic exposure. Arsenic is a potent environmental toxicant and its accumulation in the liver causes hepatotoxicity. In our study, the investigation of effects of melatonin on arsenic-induced liver damage in rats was planned. In our study, 27 male rats were divided into three groups: control (saline, 5 ml/kg/day, intragastrically), arsenic (sodium arsenite, 5 mg/kg/day, intragastrically), and arsenic+melatonin (sodium arsenite, 5 mg/kg/day, intragastrically and melatonin, 25 mg/kg/day, intraperitoneally) group. At the end of 15 days, the rats were weighed and sacrificed then liver tissues were collected. Superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidise (GSH-Px) activities as well as malondialdehyde (MDA) levels were determined by spectrophotometry. The amount of arsenic in liver tissue was analyzed by Inductively Coupled Plasma/Optical Emission Spectrometer (ICP-OES). There were no significant differences in respect to weights of rats among the groups. Arsenic significantly decreased the enzyme activities of SOD, CAT, and GSH-Px as well as increased the levels of MDA in liver tissues. Melatonin treatments significantly increased of reduced SOD, CAT, and GSH-Px enzyme activities and decreased the elevated tissue MDA levels in liver tissues. The amount of arsenic in liver tissues significantly increased in arsenic group. There were no significant differences in respect to the amount of arsenic in liver tissues between the arsenic group and melatonin group. These data suggested that melatonin has beneficial effects against arsenic-induced liver damage by decreasing oxidative stress and lipid peroxidation. [ABSTRACT FROM AUTHOR]

Abstract Introduction We present a case of a patient with juxtaarticular hemangiohamartoma with a synovial extension associated with hemorrhagic synovitis and recurrent spontaneous hemarthrosis. Case presentation A 21-year-old Caucasian woman was admitted to our hospital complaining of pain and swelling at her knee for 6 months. In the magnetic resonance imaging, T2-weighted and fat-suppressed scans revealed a mass with high signal intensity just posterior to the patellar tendon. We performed an excisional biopsy of the mass through an anterior longitudinal incision. Excised material included arterial and venous vascular structures, which were found to be spread among the fat, connective and peripheral nerve tissues microscopically. Conclusion Although hemangiohamartomas are not true neoplasms, they may cause knee pain, swelling and hemarthrosis that warrant surgical resection. This lesion, although rare, should be considered in the differential diagnosis, especially in teenagers and young adults.

Parkinson's disease (PD) is a neurodegenerative disorder that affects millions of individuals globally. It is characterized by the loss of dopaminergic neurons in Substantia Nigra pars compacta (SNc) and striatum. Neuroimaging techniques such as single-photon emission computed tomography (SPECT), positron emission tomography (PET), and magnetic resonance imaging (MRI) help diagnosing PD. In this study, the focus was on developing technetium-99 m ([ 99m Tc]Tc) radiolabeled drug delivery systems using plant-derived compounds for the diagnosis of PD. Madecassoside (MA), a plant-derived compound, was conjugated with Levodopa (L-DOPA) to form MA-L-DOPA, which was then encapsulated using Poly Lactic-co-Glycolic Acid (PLGA) to create MA-PLGA and MA-L-DOPA-PLGA nanocapsules. Extensive structural analysis was performed using various methods such as Fourier-transform infrared spectroscopy (FTIR), nuclear magnetic resonance spectroscopy (NMR), liquid chromatography-mass spectrometry (LC-MS), thin layer chromatography (TLC), high performance liquid chromatography (HPLC), dynamic light scattering (DLS), and scanning electron microscopy (SEM) to characterize the synthesized products. Radiochemical yields of radiolabeled compounds were determined using thin layer radio chromatography (TLRC) and high performance liquid radio chromatography (HPLRC) methods. In vitro cell culture studies were conducted on human neuroblastoma (SH-SY5Y) and rat pheochromocytoma (PC-12) cell lines to assess the incorporation of [ 99m Tc]Tc radiolabeled compounds ([ 99m Tc]Tc-MA, [ 99m Tc]Tc-MA-L-DOPA, [ 99m Tc]Tc-MA-PLGA and [ 99m Tc]Tc-MA-L-DOPA-PLGA) and the cytotoxicity of inactive compounds (MA and MA-L-DOPA compounds and encapsulated compounds (MA-PLGA and MA-L-DOPA-PLGA). Additionally, the biodistribution studies were carried out on healthy male Sprague-Dawley rats and a Parkinson's disease experimental model to evaluate the compounds' bioactivity using the radiolabeled compounds. The radiochemical yields of all radiolabeled compounds except [ 99m Tc]Tc-L-DOPA-PLGA were above 95% and had stability over 6 h. The cytotoxic effects of all substances on SH-SY5Y and PC-12 cells increase with increasing concentration values. The uptake values of PLGA-encapsulated compounds are statistically significant in SH-SY5Y and PC-12 cells. The biodistribution studies showed that [99mTc]Tc-MA is predominantly retained in specific organs and brain regions, with notable uptake in the prostate, muscle, and midbrain. PLGA-encapsulation led to higher uptake in certain organs, suggesting its biodegradable nature may enhance tissue retention, and surface modifications might further optimize brain penetration. Overall, the results indicate that radiolabeled plant-derived encapsulated drug delivery systems with [ 99m Tc]Tc hold potential as diagnostic agents for PD symptoms. This study contributes to the advancement of drug delivery agents in the field of brain research., (© 2024. The Author(s).)

The main treatment for pyridoxine-nonresponsive cystathionine-β-synthase deficiency is a strict diet. Most centers prescribe low-protein diets based on gram-protein exchanges, and all protein sources are weighed. The purpose of this study is to investigate the effects of a more liberal methionine (Met)-based diet with relaxed consumption of fruits and vegetables on metabolic outcomes and dietary adherence. Ten patients previously on a low-protein diet based on a gram-protein exchange list were enrolled. The natural protein exchange lists were switched to a "Met portion exchange list". Foods containing less than 0.005 g methionine per 100 g of the food were accepted as exchange-free foods. The switch to Met portioning had no adverse effects on the control of plasma homocysteine levels in terms of metabolic outcomes. It resulted in a significant reduction in patients' daily betaine dose. All patients preferred to continue with this modality. In conclusion, methionine-portion-based medical nutrition therapy with relaxed consumption of fruits and vegetables seems to be a good and safe option to achieve good metabolic outcomes and high treatment adherence.

Introduction: SARS-CoV-2 infection can lead to a life-threatening acute metabolic decompensation in children with inborn errors of metabolism (IEM), so vaccination is mandatory. However, IEMs can also impair innate or adaptive immunity, and the impact of these immune system alterations on immunogenicity and vaccine efficacy is still unknown. Here, we investigated humoral immune responses to the BNT162b2 mRNA COVID-19 vaccine and clinical outcomes in pediatric IEM patients., Methods: Fifteen patients between 12-18 years of age with a confirmed diagnosis of IEM, and received BNT162b2 were enrolled to the study. Patients with an anti-SARS-CoV-2 IgG concentration >50 AU/mL before vaccination were defined as "COVID-19 recovered" whereas patients with undetectable anti-SARS-CoV-2 IgG concentration were defined as "COVID-19 naïve". Anti-SARS-CoV-2 Immunoglobulin G (IgG) and SARS-CoV-2 neutralizing antibody (nAb) titers were measured to assess humoral immune response., Results: Anti-SARS-CoV-2 IgG titers and nAb IH% increased significantly after the first dose. The increase in antibody titers after first and second vaccination remained significant in COVID-19 naïve patients. Complete anti-SARS-CoV-2 IgG seropositivity and nAb IH% positivity was observed in all patients after the second dose. Vaccination appears to be clinically effective in IEM patients, as none of the patients had COVID-19 infection within six months of the last vaccination., Discussion: Humoral immune response after two doses of BNT162b2 in pediatric IEM patients was adequate and the immune response was not different from that of healthy individuals., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Zubarioglu, Dinc, Hopurcuoglu, Gulmez, Uygur, Yilmaz, Ahmadzada, Uzunyayla-Inci, Oge-Enver, Kiykim, Kocazeybek and Aktuglu-Zeybek.)

Aim: There are no recommended guidelines or clinical studies on safety of COVID-19 vaccines in patients with inborn errors of metabolism (IEMs). Here, we aimed to examine the relationship between COVID-19 vaccination and metabolic outcome in paediatric IEM patients., Methods: Patients with IEM between the ages of 12 and 18 were enrolled. Term metabolic decompensation was defined as acute disruption in metabolic homeostasis due to vaccination. Clinical and biochemical markers were compared between pre- and post-vaccination periods., Results: Data from a total of 36 vaccination episodes in 18 patients were included. Thirteen patients had intoxication-type metabolic disorders including organic acidemia (OA), urea cycle disorders (UCDs), maple syrup urine disease (MSUD) and phenylketonuria (PKU); 4 patients had energy metabolism disorders including fatty acid metabolism disorders and LIPIN 1 deficiency; and 1 patient had glycogen storage disorder (GSD) type 5. Seventeen patients received BNT162b2, and 1 received CoronaVac because of an underlying long QT syndrome. Fatty acid metabolism disorders, LIPIN 1 deficiency and GSD type 5 were included in the same group named 'metabolic myopathies'. In two PKU patients, plasma phenylalanine level increased significantly within 24 h following the second dose of vaccination. None of the OA, UCD, MSUD and metabolic myopathy patients experienced acute metabolic attack and had emergency department admission due to metabolic decompensation within 1 month after vaccination., Conclusions: COVID-19 vaccines did not cause acute metabolic decompensation in a cohort of 18 children with IEM., (© 2022 Paediatrics and Child Health Division (The Royal Australasian College of Physicians).)

Frozen shoulder (FS) is an elusive condition that affects patients' mental and emotional quality of their lives. Corticosteroid injection technique is one of the first-line treatment methods in the treatment of FS. Ultrasound (USG) guidance allows visualization of the shoulder anatomy and improves the accuracy of the injection site. This study describes an USG-guided injection technique for FS treatment. The aim of this technique was to affect glenohumeral joint and capsule, subacromial space, the long head of biceps tendon sheath, and the coracohumeral ligament. For this purpose, four different sites were injected by USG guidance. Patients with FS can be effectively treated through this technique that is detailed in this article., (© 2022 The Authors.)

Introduction: The prognosis of phenylketonuria (PKU) in terms of neurocognitive outcome is directly related to lifelong phenylalanine (Phe) levels and adherence to treatment. Monitoring and treatment of PKU patients can be complicated in challenging circumstances as pandemics. This study aims to evaluate the impact of telemedicine for monitoring and treatment of PKU patients on metabolic outcome during coronavirus disease-19 (COVID-19) outbreak. Materials and Methods: Patients who were diagnosed as PKU and treated with low Phe diet, tetrahydrobiopterin (BH4), or BH4 adjunct with low Phe diet were enrolled. Study period was divided into two periods: prepandemic period wherein patients were followed up in outpatients' clinic and during pandemic wherein telemedicine was used. Demographic findings, laboratory results, and therapy responses were reviewed retrospectively and compared between the two periods. All procedures were in accordance with the ethical standards of the local ethical committee of Cerrahpasa Medical Faculty (17/11/2020-151640) and with the Helsinki Declaration of 1975, as revised in 2013. Results: Ninety-three ( n  = 93) patients were enrolled to this study. The ratio of the samples with Phe levels in the recommended ranges was found to be statistically higher during the pandemic wherein an online monitoring system was used in all treatment modalities ( p < 0.05). The decrease in Phe washout frequency was statistically significant during the pandemic in the low Phe diet group (p < 0.05). Considering the relationship between Phe tolerance before and during the pandemic, a significant increase in Phe tolerance was noted during the pandemic in the low Phe diet group ( p < 0.05). Conclusions: Telemedicine can be an appropriate and effective monitoring option for PKU patients during the COVID-19 pandemic.

Purpose: To investigate the possible effects of multisite injection therapy around the shoulder and prospectively compare the pain relief, range of motion (ROM), and functional scores of randomly selected patients with primary frozen shoulder using the American Shoulder and Elbow Surgeons score and the University of California-Los Angeles score after the completion of a standard physiotherapy program., Methods: Seventy-six patients with primary frozen shoulder were randomly divided into 2 groups based on the treatment: multisite injection and single injection. In the multisite-injection group, the glenohumeral joint and posteroinferior capsule, subacromial space, posterosuperior capsule, biceps long head, and coracohumeral ligament were injected with a combination of 2 mL of triamcinolone acetonide (40 mg/mL), 4 mL of bupivacaine (0.5%), and 34 mL of saline solution. The glenohumeral joint in the single-injection group was injected with 1 mL of triamcinolone acetonide (40 mg/mL) and 2 mL of bupivacaine (0.5%). Patients in both groups underwent physical therapy using the same protocol. Patients were evaluated for pain (visual analog scale score), functional status, and active and passive joint ROM at 1, 3, and 6 months and 1 year after the injection., Results: The follow-up rate was 82.6%, and significantly lower VAS scores were recorded in all periods in the multisite-injection group compared with the single-injection group (P = .01). In terms of active and passive ROM, the follow-up results were significantly better in the multisite-injection group (P < .05). Significantly higher functional scores were recorded in the multisite-injection group (P < .05)., Conclusions: Both treatments were effective in patients with primary frozen shoulder. However, the multisite-injection technique provided better pain palliation, better ROM restoration, and better functional results than the single glenohumeral injection in patients with primary frozen shoulder who were treated with the same physiotherapy regimen., Level of Evidence: Level I, prognostic comparative study., (Copyright © 2021 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.)

The few reports available on the vacuum phenomenon in the ankle joint refer to osteoarthritic and traumatic lesions. We present the first case concomitant with an osteochondral lesion of the talus. This case report presents computed tomographic images of the ankle. We speculate that the osteochondral lesion of the talus was the most likely cause of the vacuum phenomenon.

Cerclage and tension band wiring are being used in most bone surgeries in different disciplines. The regularity of the twist on the node of a cerclage and tension band is thought to determine cerclage stability. For this purpose, a novel twisting and tightening tool was designed. This tool maintains extremely regular twists on the node, which we consider to be important for stability. In the present biomechanical trial, we aimed to investigate the consistency of the twists forming the cerclage node. This study was performed on a total of 30 cerclage loops. In group A (n = 15), the cerclage wire was tightened manually by a clipper, while in group B (n = 15), it was tightened using the twisting and tightening tool. In biomechanical tests, the cerclage loops were pulled apart by 2 hooks connected to the biomechanical device. The velocity was adjusted to 20 mm/min. On statistical analysis, there was a significant difference in the ultimate strength ( P = .03) and the mean tensile strength ( P = .01) between groups A and B. It was found that the strength of the cerclage wire can be increased by maintaining more regular twists. The twisting and tightening tool is a reasonable and useful device for both clinical and experimental usages.

Background: Lateral epicondylitis (LE) is a common disease especially at middle age. Different types of treatments have been used to address LE. Corticosteroid (CS) injections and dry needling (DN) are utilized options in the treatment. However, the question of which one is better has not been entirely discussed in the literature. We hypothesized that the use of DN to treat LE would be at least as effective as using CS injections. We compared the pain relief afforded and improvements in functional disability after DN and CS injection., Methods: A total of 108 LE patients whose pain was not relieved by 3 weeks of first-line treatment were included in a randomized manner, using an online application into DN or CS groups (54 patients each). The minimum follow-up duration was 6 months. We recorded "Patient-Rated Tennis Elbow Evaluation" (PRTEE) scores before treatment and after 3 weeks and 6 months of treatment., Results: Seven patients were excluded for various reasons; thus, 101 patients were finally evaluated. Before treatment, the groups were similar in terms of age, symptom duration, and PRTEE score, but after treatment, DN-treated patients showed better improvement in the PRTEE score than CS-treated patients (P < .01). Both treatments were effective (both P < .01). From assessments at 3 weeks and 6 months post-treatment, PRTEE scores decreased over time. Four CS-treated patients (7.6%) developed skin atrophy and whitening. One DN-treated patient (2.04%) could not tolerate the pain of the intervention and withdrew from treatment., Conclusion: DN and CS injection afforded significant improvements during the 6 months of follow-up. However, compared with CS injection, DN was more effective., (Copyright © 2020 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.)

Background: Although Kirschner wire implantation is popular for treating toe deformities, complications frequently occur. To prevent pin-tract infection and difficult Kirschner wire extraction, several implants have been developed to improve treatment outcomes., Methods: Patients who had undergone an interphalangeal fusion by two-component implant for the treatment of toe deformities were included. Thirty-one toes of 21 patients were evaluated retrospectively. American Orthopaedic Foot and Ankle Society (AOFAS) forefoot scores were used in clinical evaluation., Results: The mean operation duration per toe was 16.4 min (range, 13-26 min). The average AOFAS forefoot score was 42.76 (range, 23-57) preoperatively and 88.76 (range, 70-95) at 34.4 months (range, 26-46 months) after surgery. Mean follow-up was 14.8 months (range, 12-19 months). Compared with before surgery, the AOFAS score was increased significantly after surgery (P = .03 by t test). Three minor complications were encountered. In one patient an infection was observed. After the implants were removed (first month) she was treated successfully by debridement and antibiotic agents and, finally, Kirschner wire placement. The second patient had a fissure fracture at the proximal phalanx, but routine follow-up did not change. In the third patient, the locking mechanism had become loose (detected on day 1 radiography); it was remounted under fluoroscopy without opening the wound. No patients had a cutout, loss of alignment, recurrence, or persistent swelling., Conclusions: Outcomes of arthrodesis using the two-component implant were found to be safe and reliable, especially for hammer toe and fifth toe deformities.

Background: The Score Committee of the European Foot and Ankle Society (EFAS) developed, validated, and published the EFAS Score in seven European languages (English, German, French, Italian, Polish, Dutch, Swedish). From other languages under validation, the Finnish and Turkish versions finished data acquisition and underwent further validation., Methods: The EFAS Score was developed and validated in three stages: 1) item (question) identification (completed during initial validation study), 2) item reduction and scale exploration (completed during initial validation study), 3) confirmatory analyses and responsiveness of Finnish and Turkish version (completed during initial validation study in seven other languages). The data were collected pre-operatively and post-operatively at a minimum follow-up of 3 months and mean follow-up of 6 months. Item reduction, scale exploration, confirmatory analyses and responsiveness were executed using classical test theory and item response theory., Results: The internal consistency of the scale was confirmed in the Finnish and Turkish versions (Cronbach's Alpha >0.8). Responsiveness was good, with moderate to large effect sizes in both languages, and evidence of a statistically significant positive association between the EFAS Score and patient-reported improvement., Conclusions: The Finnish and Turkish EFAS Score versions were successfully validated in the orthopaedic ankle and foot surgery patients, including a wide variety of foot and ankle pathologies. All score versions are freely available at www.efas.co., (Copyright © 2020 European Foot and Ankle Society. Published by Elsevier Ltd. All rights reserved.)

Introduction: Intra- and post-operative femoral shaft fractures related with nailing remain of concern. Although manufacturers have sought to solve the problem by providing distally slotted nails, it is not clear that these implants reduce fractures. We compare two distally slotted proximal femoral nails [trochanteric nail (TRON) and proximal femur intramedullary nail (PROFIN)]., Patients and Methods: The medical records of 195 hips treated with TRONs (distally slotted in four places in the sagittal and coronal planes) and 583 hips treated with PROFINs (distally slotted in two places in the coronal plane) in two institutes were retrospectively evaluated. The inclusion criteria were follow-up for at least 6 months; pertrochanteric fractures and age over 55 years., Results: In total, 161 hips in the TRON group and 512 hips in the PROFIN group were included. The mean follow-up time was 28.5 (range: 6-84) months in whole group. The demographic characteristics of the groups were similar. Only 2 intraoperative shaft and 3 proximal lateral cortex fracture was detected in PROFIN group, there wasn't any postoperative fracture. Four proximal lateral cortex and 2 femur shaft fractures were detected in TRON group (one during operation and one at postoperative 8th month after a fall at pedestrian way)., Conclusions: Distal cephalomedullary nail slotting prevented intra- and post-operative femoral fractures. A distal slot 50 mm in length may increase nail elasticity and reduce nail tip stress to a greater extent than a 30-mm slot. Distal slotting in both the sagittal and coronal planes afforded no advantage compared to coronal slotting only., Level of Evidence: Level III retrospective study., (Copyright © 2019 Elsevier Ltd. All rights reserved.)

Plantar fasciopathy (PF) is a common disorder for which there is no consensus regarding an optimal treatment strategy. We hypothesized that dry needling would be as effective as the use of corticosteroid injections for treating PF while avoiding the potential adverse effects of corticosteroids. After approval was received from the institutional review board, patients diagnosed with PF were prescribed a 3-week nonoperative treatment regimen. In addition to using oral and topical antiinflammatory drugs, patients engaged in plantar fascia and gastrocnemius stretching exercises. A study population of 98 patients was planned. An appointment was made in the third week of first-line treatment. Patients whose pain did not abate and who required further treatment were included in the study. One week later, we randomly divided patients into 2 groups using an online random number generator. Group 1 underwent dry needling, and group 2 underwent corticosteroid injection. All dry needling was performed by a single physiotherapist, and all corticosteroid injections were performed by the second author. Patients were assessed in the third week and sixth month by a single investigator using the foot function index. In terms of foot function index scores, dry needling caused significant decrease in the third week and also in the sixth month. However, although corticosteroid use led to a significant decrease at the third week, it lost efficacy in the sixth month (p < .001). In conclusion, dry needling seems to be a reliable procedure for treating PF, with better outcomes than corticosteroid injection., (Copyright © 2018 the American College of Foot and Ankle Surgeons. Published by Elsevier Inc. All rights reserved.)

Background: This study compared the biomechanical properties of three different fixation methods of tension band wirings, used in the treatment of medial malleolus fractures. The first method used an innovative "handmade bent pin" for cerclage fixation. The second method used a U-shaped K-wire to attach the cerclage to the medial tibial cortex. These two novel fixation techniques were compared with the traditional tension band wiring technique which is fixated to the bone by a screw., Hypothesis: Novel fixation techniques of tension band wiring provide stable fixation., Material and Methods: In this study 27 artificial bone models, which medial malleolus fractures were simulated on, were used. Using an electromechanical test device, the force required to pull out each implant was assessed and compared., Results: This study found that; while handmade bent pinning resulted averagely 840.25N (range: 647-1066±118.72) and U-shaped K-wire fixation was 381.71N (range: 176-651±150.2) pull out strength, traditional tension band wiring indicated 871.33N (range: 549-1008±137.74) pull out strength., Discussion: Handmade bent pinning method provide similar results with traditional tension band wiring. Therefore, in suitable cases, it may be an acceptable alternative to traditional tension band wiring techniques when treating malleolar fractures. Although the outcomes of U-shaped K-wire fixation indicated lower than other two groups, the outcomes were comparable with the literature. So while performing tension band wiring, both handmade fixation systems may be used in certain cases. For Orthopaedic surgeons, it is better to know and think about these alternative handmade pinning systems created from simple K-wires during the surgery if needed., Level of Evidence: IV, Biomechanical trial., (Copyright © 2018 Elsevier Masson SAS. All rights reserved.)

This case report describes a well-documented birth and evolution of an osteoid osteoma at the talus. Although initial radiologic images indicate mild bone marrow edema at first (without nidus), subsequent magnetic resonance imaging and computed tomographic images reveal pathognomonic nidus at the talus. During the evolution of the lesion, typical night pain was coincident with the occurrence of the nidus, as seen on magnetic resonance imaging. This may be interpreted that nidus formation may be related to the night pain. In this report, the first finding was bone marrow edema. Although our classic knowledge was that the edema follows the lesion, this report makes a difference. The relationship between bone marrow edema and osteoid osteoma has not been questioned in the literature before. We speculate that this report brings to mind, the question of which comes first? A bone marrow edema or nidus? Another question is: Does osteoid osteoma always start with such a dust cloud in the bone as we presented herein?

Introduction: Trevor's disease, also known as dyplasia epiphysealis hemimelica, is characterised by osteochondromas arising from epiphyses. The disease typically affects one side of an epiphysis (usually the medial side)., Case Presentation: A case in whom both the medial and lateral sides of the epiphysis were involved is described. Thus, the use of the descriptor "hemimelica" is not always appropriate., Conclusion: Although rare, Trevor's disease should be kept in mind during the differential diagnosis of patients with ankle pain and a mass. Other possible joints should be examined to explore multiple involvement. Surgical treatment, only on lesions causing impingements, may improve functional status and reduce pain., (Copyright © 2018 Elsevier Ltd. All rights reserved.)