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Silverwood R, Jayasankar V, Mahendra A, Gupta S, MacDuff E. Extra-thoracic, extra-meningeal solitary fibrous tumours - A case series and service review. J Clin Orthop Trauma 2021; 24:101675. [PMID: 34824974 PMCID: PMC8602049 DOI: 10.1016/j.jcot.2021.101675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/09/2021] [Accepted: 10/29/2021] [Indexed: 10/19/2022] Open
Abstract
BACKGROUND Solitary fibrous tumours (SFT) are a type of mesenchymal tumour. Whilst the majority of cases follow an indolent course a significant proportion of patients suffer metastases or disease recurrence post-surgical excision. Due to the unpredictable clinical course follow up duration and intensity remains contentious. AIMS We aimed to determine current outcomes of management of this tumour, apply and assess current risk recurrence models to determine if our standard of care could be improved upon. METHODS AND PATIENTS A prospective database of patients treated at a regional musculoskeletal oncology service was assessed. Only extra-pleural, extra-meningeal SFTs were included in the study. Surgical outcome and post-operative investigations were scrutinised and the Pasquali and Demicco recurrence risk models were applied and assessed. RESULTS From 2009 to 2019 12 patients were identified, 8 female and 4 males. Their age at diagnosis ranged from 21 to 76 years. 11 patients underwent surgery with curative intent and no patient suffered disease progression or recurrence, with a mean follow up time of 41 months. One patient presented with metastatic disease and was managed palliatively. CONCLUSIONS Following this review of our case series and utilising risk recurrence models published in the literature we have changed our follow up protocol. In new cases of SFT the Pasquali prognostic model, with the addition of the presence or absence of necrosis, will be utilised. If a patient has benign features on initial biopsy we propose to not perform staging. Furthermore, if biopsy and final pathology results remain concordant, with no concerning features, and the patient has undergone complete excision reduced intensity follow up could be considered.Level of evidence Level IV, retrospective case series.
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Affiliation(s)
- R. Silverwood
- Department of Musculoskeletal Oncology, Trauma & Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK,Corresponding author.
| | - V. Jayasankar
- Department of Musculoskeletal Oncology, Trauma & Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK
| | - A. Mahendra
- Department of Musculoskeletal Oncology, Trauma & Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK
| | - S. Gupta
- Department of Musculoskeletal Oncology, Trauma & Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK
| | - E. MacDuff
- Department of Pathology, Queen Elizabeth University Hospital, Glasgow, UK
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Mahendra A, Ketaren CMB, Surbakti DKB, Barus EFB, Situmeang K, Indrapraja M. Blended Learning: Strategi Pembelajaran Alternatif di Era New Normal SD Tunas Harapan. Pri Abd :J P M 2021; 1:120-128. [DOI: 10.37478/abdika.v1i4.1250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
The program to help students learn is a community service carried out at SD Tunas Harapan Tanjung Anom, which is located at Jl. Griya Permata II housing, Durian Jangak, Pancur Batu District, Deli Serdang Regency, North Sumatra, for 1 month starting from August 16, 2021 until August 22, 2021. The activities carried out in this service are teaching and learning activities in schools and assisting students in doing school assignments which are carried out for 1 month. Teachers or students can combine face-to-face learning and online learning which is called blended learning. Blended learning can bemake it easier for students and teachers to share and receive materials online. In addition to students can using advanced technology when learning online, students can still learn face to face directly. The material comes from thematic books and guide books from schools. In the implementation of this service, there are several obstacles such as: inadequate facilities, lack of attention from students in studying at home, lack of awareness of students about their responsibilities in doing assignments, lack of communication and parental attention to their children.
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Mahendra A, Nainggolan E, Situmorang T, Sinaga PSYB. PKM Bimbingan Belajar Siswa SD Negeri 057239 Sekoci Langkat Sumatera Utara di Masa Pandemi Covid-19. Pri Abd :J P M 2021; 1:58-64. [DOI: 10.37478/abdika.v1i2.966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
The program to help students learn is a community service carried out at SD Negeri 057239 Sekoci, Besitang District, which is located at Sukaramai Hamlet, Sekoci Village, Langkat Regency, North Sumatra. for 1 month starting from March 31, 2021 to May 6, 2021. The activities carried out in this service are teaching and learning activities at home and helping students in doing school assignments which are carried out for 1 month. The material comes from thematic books and guidebooks from schools. In the implementation of this Community Service there are several obstacles such as: The distance to teaching at home between classes 3,4 and 5 is very far in insufficient time, Lack of attention from students in learning at home, students' awareness of their responsibility in doing assignments is still lacking, lack of communication and parental attention to their children.
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Gupta S, Jangra RS, Gujrathi AV, Mahendra A, Singla R, Sharma A, Gupta S. A novel clinical set-up for examining healthy dermatology outpatients during the COVID-19 pandemic. Clin Exp Dermatol 2020; 45:749-750. [PMID: 32304576 PMCID: PMC7264788 DOI: 10.1111/ced.14246] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/08/2020] [Indexed: 11/30/2022]
Affiliation(s)
- S Gupta
- Departments of Dermatology, Maharishi Markandeshwar Institute of Medical Sciences and Research (MMDU), Mullana, Ambala, India
| | - R S Jangra
- Sun Skin Clinic, Pratap Nagar, Ambala, India
| | - A V Gujrathi
- Departments of Dermatology, Maharishi Markandeshwar Institute of Medical Sciences and Research (MMDU), Mullana, Ambala, India
| | - A Mahendra
- Departments of Dermatology, Maharishi Markandeshwar Institute of Medical Sciences and Research (MMDU), Mullana, Ambala, India
| | - R Singla
- Departments of Dermatology, Maharishi Markandeshwar Institute of Medical Sciences and Research (MMDU), Mullana, Ambala, India
| | - A Sharma
- Departments of Dermatology, Maharishi Markandeshwar Institute of Medical Sciences and Research (MMDU), Mullana, Ambala, India
| | - S Gupta
- Department of General Medicine, Maharishi Markandeshwar Institute of Medical Sciences and Research (MMDU), Mullana, Ambala, India
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Gupta S, Gupta S, Mahendra A, Yadav A. Multiple widespread fixed drug eruption caused by rabeprazole. J Postgrad Med 2020; 66:105-107. [PMID: 32270780 PMCID: PMC7239397 DOI: 10.4103/jpgm.jpgm_542_19] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 02/15/2020] [Accepted: 02/27/2020] [Indexed: 01/22/2023] Open
Abstract
Fixed drug eruption is one of the most common forms of cutaneous adverse drug reactions. Analgesics and antibiotics are the most common drugs causing fixed drug eruption. Here, we report a case of multiple widespread fixed drug eruption caused by rabeprazole.
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Affiliation(s)
- S Gupta
- Department of Dermatology, Maharishi Markandeshwar Institute of Medical Sciences and Research, MMDU Mullana, Ambala, Haryana, India
| | - S Gupta
- Department of Medicine, Maharishi Markandeshwar Institute of Medical Sciences and Research, MMDU Mullana, Ambala, Haryana, India
| | - A Mahendra
- Department of Dermatology, Maharishi Markandeshwar Institute of Medical Sciences and Research, MMDU Mullana, Ambala, Haryana, India
| | - A Yadav
- Department of Dermatology, Maharishi Markandeshwar Institute of Medical Sciences and Research, MMDU Mullana, Ambala, Haryana, India
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Mahendra A, Vo T, Einstoss C, Weppler J, Gillen P, Ryan L, Haley K. Status report, The Public Health and Planning 101 project: strengthening collaborations between the public health and planning professions. Health Promot Chronic Dis Prev Can 2017; 37:24-29. [PMID: 28102993 DOI: 10.24095/hpcdp.37.1.02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
INTRODUCTION Land use planning is a complex field comprised of legislation, policies, processes and tools. A growing body of evidence supports the relationship between land use planning decisions, community design and health. The built environment has been shown to be associated with physical inactivity, obesity, cardiovascular disease, respiratory disease and mental illness. Consequently, there is a growing interest within public health to work with planners on land use planning initiatives such as official plans and transportation master plans. METHODS Two surveys were developed: one for public health professionals and the other for planning professionals (survey questions available upon request to the corresponding author). The surveys were pilot tested in two separate focus group sessions with public health and planning professionals. Focus group volunteers helped to validate the surveys by verifying survey questions, design and overall flow. RESULTS In early 2012, 304 public health professionals and 301 planning professionals completed the two separate surveys, comprising the total survey respondents for each respective profession used to calculate proportions. The survey results represent a convenience sample and are not generalizable to the entire population of public health and planning professionals in Ontario. Results compare survey responses from both groups where appropriate. Most respondents worked either as public health staff (78%) or planners/senior planners (58%). A smaller percentage of public health and planning professionals worked either as managers (15% and 11%, respectively) or directors (5% and 9%, respectively). CONCLUSION Health is associated with how communities are planned and built, and the services and resources provided within them. Inspired by the results of our survey and based on user feedback from the pilot tests, a free online training program entitled "Public Health and Planning 101: An Online Course for Public Health and Planning Professionals to Create Healthier Built Environments" was launched in 2016 by OPHA as a collaborative project with OPPI and PHAC. This course is designed to bridge the gaps between the two professions, as well as provide greater opportunities for developing collaborative partnerships to help create and foster healthy built environments.
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Affiliation(s)
- A Mahendra
- Public Health Agency of Canada, Toronto, Ontario, Canada
| | - T Vo
- Ontario Public Health Association, Toronto, Ontario, Canada
| | - C Einstoss
- York Region Public Health, Newmarket, Ontario, Canada
| | - J Weppler
- Grey-Bruce Health Unit, Owen Sound, Ontario, Canada
| | - P Gillen
- York Region Public Health, Newmarket, Ontario, Canada
| | - L Ryan
- Ontario Professional Planners Institute, Toronto, Ontario, Canada
| | - K Haley
- York Region Public Health, Newmarket, Ontario, Canada
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Ferguson KB, Jane M, Mahendra A. Giant cell tumour of the distal ulna: is reconstruction required after excision of the distal third of the ulna? J Hand Surg Eur Vol 2016; 41:771-2. [PMID: 25646142 DOI: 10.1177/1753193415568912] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- K B Ferguson
- Musculoskeletal Oncology Service, Glasgow Royal Infirmary, Glasgow, UK
| | - M Jane
- Musculoskeletal Oncology Service, Glasgow Royal Infirmary, Glasgow, UK
| | - A Mahendra
- Musculoskeletal Oncology Service, Glasgow Royal Infirmary, Glasgow, UK
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Abstract
Extracorporeal irradiation of an excised tumour-bearing segment of bone followed by its re-implantation is a technique used in bone sarcoma surgery for limb salvage when the bone is of reasonable quality. There is no agreement among previous studies about the dose of irradiation to be given: up to 300 Gy have been used. We investigated the influence of extracorporeal irradiation on the elastic and viscoelastic properties of bone. Bone was harvested from mature cattle and subdivided into 13 groups: 12 were exposed to increasing levels of irradiation: one was not and was used as a control. The specimens, once irradiated, underwent mechanical testing in saline at 37°C. The mechanical properties of each group, including Young's modulus, storage modulus and loss modulus, were determined experimentally and compared with the control group. There were insignificant changes in all of these mechanical properties with an increasing level of irradiation. We conclude that the overall mechanical effect of high levels of extracorporeal irradiation (300 Gy) on bone is negligible. Consequently the dose can be maximised to reduce the risk of local tumour recurrence.
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Affiliation(s)
- S Gupta
- Glasgow Royal Infirmary, Castle Street, Glasgow, G0 4SF, UK
| | - D Cafferky
- University of Strathclyde, 106 Rottenrow East, Glasgow, G4 0NW, UK
| | - F Cowie
- Beatson Oncology Centre, 1053 Great Western Road, Glasgow, G11 0YN, UK
| | - P Riches
- University of Strathclyde, 106 Rottenrow East, Glasgow, G4 0NW, UK
| | - A Mahendra
- Glasgow Royal Infirmary, Castle Street, Glasgow, G0 4SF, UK
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Young PS, Clement VL, Lomax A, Badhesha J, Miller RJ, Mahendra A. Bilateral tarsometatarsal joint injuries: An unusual mechanism producing unusual variants. Foot (Edinb) 2015; 25:120-3. [PMID: 25510168 DOI: 10.1016/j.foot.2014.11.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Revised: 10/16/2014] [Accepted: 11/09/2014] [Indexed: 02/04/2023]
Abstract
Tarsometatarsal (Lisfranc) joint injuries are rare but potentially devastating conditions requiring anatomical reduction and internal fixation or arthrodesis. We describe an unusual mechanism involving forced eversion and dorsiflexion on both fully supinated feet resulting in bilateral tarsometatarsal joint injury. The injury pattern involved incongruity between the medial and middle columns extending between the cuneiform bones with associated fracture of the cuboid on the right and the cuboid, os calcis and talus on the left. Operative fixation is discussed and the clinical outcome was good at 4 years post-operatively. We believe this introduces an additional and potentially serious mechanism of injury and pattern of ligamentous and osseous disruption into the pantheon of injuries classed as Lisfranc, which surgeons should be aware of. Furthermore, we recommend attention to the mechanism of injury in consideration with classification to aid in operative reduction and fixation.
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Affiliation(s)
- P S Young
- Glasgow Royal Infirmary, 84 Castle Street, Glasgow G4 0SF, UK.
| | - V L Clement
- Glasgow Royal Infirmary, 84 Castle Street, Glasgow G4 0SF, UK.
| | - A Lomax
- Glasgow Royal Infirmary, 84 Castle Street, Glasgow G4 0SF, UK.
| | - J Badhesha
- Glasgow Royal Infirmary, 84 Castle Street, Glasgow G4 0SF, UK.
| | - R J Miller
- Hairmyres Hospital, Eaglesham Rd, East Kilbride G75 8RG, UK.
| | - A Mahendra
- Glasgow Royal Infirmary, 84 Castle Street, Glasgow G4 0SF, UK.
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Siu W, Ferguson KB, Kumar CS, Mahendra A. Case report: fibrous dysplasia of the navicular bone treated with excision of navicular and talo-cuneiform arthrodesis. Foot (Edinb) 2015; 25:55-8. [PMID: 25542678 DOI: 10.1016/j.foot.2014.11.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Revised: 11/12/2014] [Accepted: 11/28/2014] [Indexed: 02/04/2023]
Abstract
Fibrous dysplasia is an uncommon beningn disorder of bone. It usually affects the long bones, and is uncommon in the navicular. We describe a case of fibrous dysplasia of the navicular successfully treated with navicular excision and talo-cuneiform arthrodesis.
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Affiliation(s)
- W Siu
- Department of Orthopaedics and Trauma, Glasgow Royal Infirmary, Glasgow, Scotland, UK
| | - K B Ferguson
- Department of Orthopaedics and Trauma, Glasgow Royal Infirmary, Glasgow, Scotland, UK.
| | - C S Kumar
- Department of Orthopaedics and Trauma, Glasgow Royal Infirmary, Glasgow, Scotland, UK
| | - A Mahendra
- Department of Orthopaedics and Trauma, Glasgow Royal Infirmary, Glasgow, Scotland, UK; Bone and Soft Tissue Sarcoma Service, Glasgow Royal Infirmary, Glasgow, Scotland, UK
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Abstract
We report our experience of using a computer navigation system to aid resection of malignant musculoskeletal tumours of the pelvis and limbs and, where appropriate, their subsequent reconstruction. We also highlight circumstances in which navigation should be used with caution. We resected a musculoskeletal tumour from 18 patients (15 male, three female, mean age of 30 years (13 to 75) using commercially available computer navigation software (Orthomap 3D) and assessed its impact on the accuracy of our surgery. Of nine pelvic tumours, three had a biological reconstruction with extracorporeal irradiation, four underwent endoprosthetic replacement (EPR) and two required no bony reconstruction. There were eight tumours of the bones of the limbs. Four diaphyseal tumours underwent biological reconstruction. Two patients with a sarcoma of the proximal femur and two with a sarcoma of the proximal humerus underwent extra-articular resection and, where appropriate, EPR. One soft-tissue sarcoma of the adductor compartment which involved the femur was resected and reconstructed using an EPR. Computer navigation was used to aid reconstruction in eight patients. Histological examination of the resected specimens revealed tumour-free margins in all patients. Post-operative radiographs and CT showed that the resection and reconstruction had been carried out as planned in all patients where navigation was used. In two patients, computer navigation had to be abandoned and the operation was completed under CT and radiological control. The use of computer navigation in musculoskeletal oncology allows accurate identification of the local anatomy and can define the extent of the tumour and proposed resection margins. Furthermore, it helps in reconstruction of limb length, rotation and overall alignment after resection of an appendicular tumour. Cite this article: Bone Joint J 2015;97-B:258–64.
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Affiliation(s)
- P. S. Young
- Glasgow Royal Infirmary, Glasgow, G4
0SF, UK
| | - S. W. Bell
- Glasgow Royal Infirmary, Glasgow, G4
0SF, UK
| | - A. Mahendra
- Glasgow Royal Infirmary, Glasgow, G4
0SF, UK
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Abstract
Background Osteoid osteoma is a classically described benign bone tumour. Traditionally, the surgical treatment of choice was excision, but this can have significant morbidity. Percutaneous radiofrequency ablation (RFA) has grown in popularity as an alternative treatment. This study reports the outcomes using this technique in our regional bone tumour unit. Methods Between May 2003 and October 2007, 14 patients underwent CT-guided RFA. All patients were subsequently offered follow-up in the out-patient clinic. Outcomes were taken from the Scottish Bone Tumour Registry database. Results Eleven patients (78.6%) had complete resolution of symptoms after one RFA. Three (21.4%) cases were unsuccessful but one of these was due to technical failure. All three of the above patients had complete relief of symptoms after one further RFA. One (7.1%) patient initially had complete relief of symptoms, but suffered recurrence after 9 months. This patient also had a second curative treatment. Conclusion Percutaneous RFA for osteoid osteoma is an attractive treatment due to its efficacy and low morbidity. Our results showed a primary success rate of 78.6%, a secondary success rate of 100% (after one additional procedure). Our results add to the growing literature supporting RFA as the preferred treatment for osteoid osteoma.
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Affiliation(s)
- EOT Crane
- Specialty Registrar, Trauma and Orthopaedic Surgery, West of Scotland Musculoskeletal Oncology Service, Glasgow Royal Infirmary, UK
| | - D Ritchie
- Consultant Radiologist, Musculoskeletal Radiology, West of Scotland Musculoskeletal Oncology Service, Glasgow Royal Infirmary, UK
| | - MJ Jane
- Consultant Orthopaedic Surgeon, Musculoskeletal Oncology Unit, West of Scotland Musculoskeletal Oncology Service, Glasgow Royal Infirmary, UK
| | - A Mahendra
- Consultant Orthopaedic Surgeon, Musculoskeletal Oncology Unit, West of Scotland Musculoskeletal Oncology Service, Glasgow Royal Infirmary, UK
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Gupta S, Gupta S, Thomas M, Mahendra A, Jindal N, Bhaskar G, Aggarwal M. Herpes Zoster with disseminated lesions. What is it? J Med Life 2013; 6:84-5. [PMID: 23599827 PMCID: PMC3624655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2012] [Accepted: 02/20/2013] [Indexed: 11/17/2022] Open
Abstract
Herpes Zoster (HZ) is a Cutaneous Viral infection caused by Varicella zoster virus (VZV). Lesions of HZ are usually limited to one dermatome only but sometimes, there can be dissemination of lesions. The present case describes the role of proper examination of HZ case, which presents with disseminated lesions.
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Affiliation(s)
- S Gupta
- Department of Dermatology and STI, MM Institute of Medical Sciences and Research, Mullana Ambala- India
| | - S Gupta
- Department Of Medicine, MM Institute of Medical Sciences and Research Mullana Ambala- India
| | - M Thomas
- Department of Dermatology, Bangalore India
| | - A Mahendra
- Department of Dermatology and STI, MM Institute of Medical Sciences and Research, Mullana Ambala- India
| | - N Jindal
- Department of Dermatology and STI, MM Institute of Medical Sciences and Research, Mullana Ambala- India
| | - G Bhaskar
- Aggarwal Heart and Surgical Hospital Ambala City- India
| | - M Aggarwal
- Department of Dermatology and STI, MM Institute of Medical Sciences and Research, Mullana Ambala- India
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Bell SW, Young PS, Mahendra A. Primary bone tumours of the talus: the Scottish Bone Tumour Registry experience. Foot Ankle Surg 2012; 18:277-82. [PMID: 23093124 DOI: 10.1016/j.fas.2012.04.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2011] [Revised: 04/18/2012] [Accepted: 04/19/2012] [Indexed: 02/04/2023]
Abstract
BACKGROUND Primary bone tumours of the talus are rare and the existing literature is limited. The aim of this study was to investigate the epidemiology of primary bone tumours affecting this uncommon site and suggest a management protocol for these tumours. METHODS We retrospectively reviewed the Scottish Bone Tumour Register from January 1954 to May 2010 and included all primary bone tumours of the talus. RESULTS We identified only twenty three bone tumours over fifty six years highlighting the rarity of these tumours. There were twenty benign and three malignant tumours with a mean age of twenty eight years. A delay in presentation was common with a mean time from onset of symptoms to diagnosis of ten months. CONCLUSIONS Tumour types identified were consistent with previous literature. We identified cases of desmoplastic fibroma and intraosseous lipodystrophy described for the first time. We suggest an investigatory and treatment protocol for patients with a suspected primary bone tumour of the talus.
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Affiliation(s)
- S W Bell
- Department of Orthopaedic Surgery, Glasgow Royal Infirmary, 84 Castle Street, Glasgow, G4 0SF, United Kingdom.
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Sood S, Gupta S, Mahendra A. Gene therapy with growth factors for periodontal tissue engineering--a review. Med Oral Patol Oral Cir Bucal 2012; 17:e301-10. [PMID: 22143705 PMCID: PMC3448311 DOI: 10.4317/medoral.17472] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2011] [Accepted: 05/09/2011] [Indexed: 01/23/2023] Open
Abstract
The treatment of oral and periodontal diseases and associated anomalies accounts for a significant proportion of the healthcare burden, with the manifestations of these conditions being functionally and psychologically debilitating. A challenge faced by periodontal therapy is the predictable regeneration of periodontal tissues lost as a consequence of disease. Growth factors are critical to the development, maturation, maintenance and repair of oral tissues as they establish an extra-cellular environment that is conducive to cell and tissue growth. Tissue engineering principles aim to exploit these properties in the development of biomimetic materials that can provide an appropriate microenvironment for tissue development. The aim of this paper is to review emerging periodontal therapies in the areas of materials science, growth factor biology and cell/gene therapy. Various such materials have been formulated into devices that can be used as vehicles for delivery of cells, growth factors and DNA. Different mechanisms of drug delivery are addressed in the context of novel approaches to reconstruct and engineer oral and tooth supporting structure.
Key words: Periodontal disease, gene therapy, regeneration, tissue repair, growth factors, tissue engineering.
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Affiliation(s)
- S Sood
- Institute of Dental Sciences, and Hospital Panjab University Sector 25, Chandigarh, India.
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Khobragade D, Parshuramkar P, Ujjainkar A, Mahendra A, Phapal S, Patil A. Conception and Evaluation of Sustained Release Polymeric Matrix Beads for Enhanced Gastric Retention. Curr Drug Deliv 2009; 6:249-54. [DOI: 10.2174/156720109788680831] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Sharma H, Rana B, Mahendra A, Jane MJ, Reid R. Outcome of 17 pigmented villonodular synovitis (PVNS) of the knee at 6 years mean follow-up. Knee 2007; 14:390-4. [PMID: 17600720 DOI: 10.1016/j.knee.2007.05.007] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2006] [Revised: 04/30/2007] [Accepted: 05/22/2007] [Indexed: 02/02/2023]
Abstract
Between January 1950 and December 2000, 16 patients were identified from Scottish Bone Tumour Registry with 17 histologically proven pigmented villonodular synovitis (PVNS) of the knee. The mean follow-up was 6 years (range, 1-14 years). A knee swelling of chronic duration with dull ache was the common presenting symptom. The mean duration of symptoms prior to presentation was 25 months (1-108 months), however it was much less (mean, 7 months) in four patients with a history of trauma. The mean age was 33 years (range, 16-58 years) with a slight male predominance. The lesion was predominantly anterior in nine patients, posterior in four, anterolateral in two, and medial and lateral in one each. Three patients (four knees) had localised disease and 13 diffuse. Anteroposterior and lateral radiographs of the knee revealed normal findings in 11 patients, features of gonarthrosis in four and a large suprapatellar loose body in one patient (both knees). Open (incisional-eight, excisional-eight) biopsy was carried out in all and all were histologically confirmed as PVNS. Removal of a localised synovial mass or loose body with surrounding partial synovectomy (four) was carried out for the localised variety, whilst open partial (three) or total (radical) synovectomy (10) was performed in all cases of diffuse PVNS. Three of seventeen knees had a recurrence, noted at 4, 6 and 8 years postoperatively (0% - localised, 23% - diffuse variety). A total (radical) synovectomy should be considered in diffuse PVNS in order to obtain optimal outcome.
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Affiliation(s)
- H Sharma
- Bone and Soft Tissue Tumour Service, Western Infirmary, Glasgow, G11 6NT, UK.
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Singh G, Singh R, Jain U, Mahendra A. Cervical disc disease in construction site head-load carrying women. J Clin Epidemiol 1998. [DOI: 10.1016/s0895-4356(98)90072-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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