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Róbert L, Németh K, Marschalkó M, Holló P, Hidvégi B. Calcinosis Prevalence in Autoimmune Connective Tissue Diseases-A Retrospective Study. J Clin Med 2024; 13:3428. [PMID: 38929957 PMCID: PMC11204081 DOI: 10.3390/jcm13123428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 06/06/2024] [Accepted: 06/10/2024] [Indexed: 06/28/2024] Open
Abstract
Background/Objectives: Calcinosis cutis is the deposition of insoluble calcium salts, which may cause inflammation, ulceration, pain, and restricted joint mobility. It rarely develops in damaged tissues (dystrophic subtype), most frequently in autoimmune connective tissue diseases (CTDs), but there is very limited data on the prevalence. Also, therapy remains an unsolved issue. In this study, we aimed to collect data on the prevalence of calcinosis in CTD patients to highlight that it is a considerable problem. Methods: A retrospective study was conducted in our department to assess the epidemiology of dystrophic calcinosis in CTDs between January 2003 and January 2024. Results: A total of 839 CTD patients were identified, of whom 56 had calcinosis (6.67%). The mean age of the calcinosis patients at diagnosis of underlying CTD was 41.16 ± 19.47 years. The mean time interval from the onset of calcinosis was 5.96 ± 8.62 years. Systemic sclerosis was the most common CTD complicated by calcinosis (n = 22). Conclusions: Our results are comparable to those reported previously in the literature. Although calcinosis is rare in the overall population, it is a present and unsolved problem in CTD patients. Therefore, further studies are needed on the factors involved in the development and progression of calcinosis as well as its treatment.
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Affiliation(s)
| | | | | | | | - Bernadett Hidvégi
- Department of Dermatology, Venereology and Dermatooncology, Semmelweis University, H-1085 Budapest, Hungary
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2
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Prajjwal P, Marsool MDM, Yadav V, Kanagala RSD, Reddy YB, John J, Lam JR, Karra N, Amiri B, Islam MU, Nithya V, Marsool ADM, Gadam S, Vora N, Hussin OA. Neurological, cardiac, musculoskeletal, and renal manifestations of scleroderma along with insights into its genetics, pathophysiology, diagnostic, and therapeutic updates. Health Sci Rep 2024; 7:e2072. [PMID: 38660003 PMCID: PMC11040569 DOI: 10.1002/hsr2.2072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 04/08/2024] [Accepted: 04/09/2024] [Indexed: 04/26/2024] Open
Abstract
Background Scleroderma, also referred to as systemic sclerosis, is a multifaceted autoimmune condition characterized by abnormal fibrosis and impaired vascular function. Pathologically, it encompasses the persistent presence of inflammation, abnormal collagen buildup, and restructuring of blood vessels in various organs, resulting in a wide range of clinical symptoms. This review incorporates the most recent scientific literature on scleroderma, with a particular emphasis on its pathophysiology, clinical manifestations, diagnostic approaches, and treatment options. Methodology A comprehensive investigation was carried out on numerous databases, such as PubMed, MEDLINE, Scopus, Web of Science, and Google Scholar, to collect pertinent studies covering diverse facets of scleroderma research. Results Scleroderma presents with a range of systemic manifestations, such as interstitial lung disease, gastrointestinal dysmotility, Raynaud's phenomenon, pulmonary arterial hypertension, renal complications, neurological symptoms, and cardiac abnormalities. Serological markers, such as antinuclear antibodies, anti-centromere antibodies, and anti-topoisomerase antibodies, are important for classifying diseases and predicting their outcomes. Discussion The precise identification of scleroderma is crucial for promptly and correctly implementing effective treatment plans. Treatment approaches aim to improve symptoms, reduce complications, and slow down the progression of the disease. An integrated approach that combines pharmacological agents, including immunosuppressants, endothelin receptor antagonists, and prostanoids, with nonpharmacological interventions such as physical and occupational therapy is essential for maximizing patient care. Conclusion Through the clarification of existing gaps in knowledge and identification of emerging trends, our goal is to improve the accuracy of diagnosis, enhance the effectiveness of therapeutic interventions, and ultimately enhance the overall quality of life for individuals suffering from scleroderma. Ongoing cooperation and creative research are necessary to advance the field and achieve improved patient outcomes and new therapeutic discoveries.
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Affiliation(s)
| | | | - Vikas Yadav
- Department of Internal MedicinePt. B. D. S. Postgraduate Institute of Medical SciencesRohtakIndia
| | | | | | - Jobby John
- Department of Internal MedicineDr. Somervell Memorial CSI Medical College and HospitalNeyyāttinkaraIndia
| | - Justin Riley Lam
- Department of Internal MedicineCebu Institute of MedicineCebuPhilippines
| | - Nanditha Karra
- Department of Internal MedicineOsmania Medical CollegeHyderabadTelanganaIndia
| | - Bita Amiri
- Cardiovascular Research CenterTabriz University of Medical SciencesTabrizIran
| | - Moiz Ul Islam
- Department of Internal MedicinePunjab Medical CollegeFaisalabadPakistan
| | - Venkatesh Nithya
- Department of Internal MedicineS. D. Asfendiyarov Kazakh National Medical UniversityAlmatyKazakhstan
| | | | | | | | - Omniat Amir Hussin
- Department of MedicineAlmanhal University Academy of ScienceKhartoumSudan
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3
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Gonçalves Júnior J, Shinjo SK. Calcinosis in Juvenile Dermatomyositis-Epidemiology, Pathogenesis, Clinical Features, and Treatment: A Systematic Review. Curr Rheumatol Rep 2024; 26:53-68. [PMID: 38060107 DOI: 10.1007/s11926-023-01126-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/21/2023] [Indexed: 12/08/2023]
Abstract
PURPOSE OF REVIEW We performed a systematic review of the literature on the epidemiology, pathogenesis, clinical and laboratory characterization, and treatment of calcinosis in patients with juvenile dermatomyositis (JDM). A qualitative systematic review was conducted from January 1975 to April 2023 according to the PRISMA protocol using three electronic databases: PubMed, Web of Science, and Scopus. Studies were analyzed based on the following eligibility criteria: at least one combination of the terms described in the search strategy appeared in the title, written in English, Portuguese, or Spanish, and addressed the epidemiology, pathogenesis, diagnosis, and treatment of calcinosis in juvenile dermatomyositis. Systematic or scoping reviews, letters, clinical images, book chapters, abstracts, inflammatory myopathy in other connective tissue diseases, idiopathic inflammatory myopathies in adults, and purely qualitative studies were excluded. RECENT FINDINGS Seventy-five studies were included. According to the literature, calcinosis is common in women, around five years old, with three years of disease in association with osteoarticular, cutaneous, pulmonary manifestations, and fever. The pathogenesis is still unknown, but the participation of interleukin 1 and 6, tumor necrosis factor alpha, and innate immunity dysregulation seem to be involved. Common autoantibodies are anti-NXP-2, anti-MDA-5, and anti-Mi-2, and their treatment remains controversial. Prospective, randomized, controlled studies are needed to evaluate treatment protocols and map the natural history of this serious complication. Calcinosis seems to be more common in White female children with muscle weakness, fever, arthritis, severe pulmonary, and skin involvement with anti-NXP-2, anti-MDA-5, and anti-Mi-2 autoantibodies. The multitargets and aggressive treatment is recommended.
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Affiliation(s)
- Jucier Gonçalves Júnior
- Division of Rheumatology, Faculdade de Medicina FMUSP, Universidade de São Paulo, R. Dr. Ovídio Pires de Campos, 225 - Cerqueira César, São Paulo, SP, 05403-010, Brazil.
- Faculdade de Medicina, Universidade Federal Cariri, UFCA, Barbalha, CE, Brazil.
| | - Samuel Katsuyuki Shinjo
- Division of Rheumatology, Faculdade de Medicina FMUSP, Universidade de São Paulo, R. Dr. Ovídio Pires de Campos, 225 - Cerqueira César, São Paulo, SP, 05403-010, Brazil
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4
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Zhou Y, Chen Y, Yin G, Xie Q. Calciphylaxis and its co-occurrence with connective tissue diseases. Int Wound J 2023; 20:1316-1327. [PMID: 36274216 PMCID: PMC10031236 DOI: 10.1111/iwj.13972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 09/23/2022] [Accepted: 09/27/2022] [Indexed: 03/23/2023] Open
Abstract
Calciphylaxis, also known as calcific uremic arteriopathy, is a rare calcification syndrome that presents as ischemic skin necrosis and severe pain. It has a high mortality rate and is characterised by calcification of the small and medium arteries and micro-thrombosis. Calciphylaxis mainly occurs in patients with end-stage renal disease. In recent years, there have been an increasing number of cases of calciphylaxis associated with connective tissue diseases. Given the absence of clear diagnostic criteria for calciphylaxis thus far, an early diagnosis is crucial for designing an effective multidisciplinary treatment plan. In this article, we review the research progress on calciphylaxis and describe its characteristics in the context of connective tissue diseases.
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Affiliation(s)
- Yueyuan Zhou
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Yuehong Chen
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Geng Yin
- Department of General Practice, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, China
| | - Qibing Xie
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
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5
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Brown CR, Crouser NJ, Speeckaert AL. Considerations for Hand Surgery in Patients With Scleroderma. Hand (N Y) 2023; 18:32-39. [PMID: 34053315 PMCID: PMC9806536 DOI: 10.1177/15589447211017211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Systemic sclerosis (scleroderma, SSc) is an autoimmune disease that causes significant dysfunction to multiple organ systems, including the musculoskeletal system. It poses significant challenges to the hand surgeon, including calcinosis, ischemic changes, Raynaud phenomenon, tendinopathies, synovitis, and joint contractures. Patients with SSc also suffer from multiorgan dysfunction, which makes them high-risk surgical patients. The hand surgeon must understand the pathophysiology, treatment strategies, and special operative considerations required in this population to avoid complications and help maintain or improve hand function.
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6
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Keshavamurthy C, Bansal P. Dystrophic calcinosis in eosinophilic fasciitis. Clin Rheumatol 2023; 42:311-312. [PMID: 36117199 DOI: 10.1007/s10067-022-06378-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/05/2022] [Accepted: 09/13/2022] [Indexed: 01/26/2023]
Affiliation(s)
- Chandana Keshavamurthy
- Department of Rheumatology, Ochsner Medical Center, 1514 Jefferson Highway, New Orleans, LA, 70121, USA
| | - Pankaj Bansal
- Department of Rheumatology, Mayo Clinic Health System, 1400 Bellinger Street, Eau Claire, WI, 54701, USA.
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7
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An Unusual Cause of Necrotising Fasciitis in a Young Male with Juvenile Dermatomyositis. Case Rep Rheumatol 2022; 2022:8758263. [PMID: 35982709 PMCID: PMC9381251 DOI: 10.1155/2022/8758263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 03/28/2022] [Accepted: 07/22/2022] [Indexed: 11/17/2022] Open
Abstract
Juvenile dermatomyositis (JDM) is a rare condition worldwide, affecting children younger than 16 years. It is characterized by weakness in the proximal skeletal muscles and a pathognomonic skin rash. Patients with JDM develop complications that are usually a consequence of vasculopathy affecting multiple organ systems. Occult gastrointestinal (GI) perforation is an uncommon complication and is associated with an increased risk of mortality due to a delay in diagnosis. We report on a 14-year-old male with JDM with an aggressive course over two years and severe clinical manifestations. The patient developed necrotizing fasciitis, an unusual rapidly progressing lethal infection of the fascia resulting from bowel contents seeping from multiple intestinal perforations. This case, less commonly seen in males, highlights the occurrence of multiple phenomena—JDM complicated by skin and gastrointestinal vasculopathy with resultant development of multiple GI perforations and consequently life-threatening necrotizing fasciitis of the leg. Physicians need a high index of suspecting GI perforation in JDM patients as the delayed recognition of this complication can result in significant morbidity and/or mortality since the typical symptoms of perforation may be absent.
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8
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Wen S, Zhou Y, Yim WY, Wang S, Xu L, Shi J, Qiao W, Dong N. Mechanisms and Drug Therapies of Bioprosthetic Heart Valve Calcification. Front Pharmacol 2022; 13:909801. [PMID: 35721165 PMCID: PMC9204043 DOI: 10.3389/fphar.2022.909801] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 04/26/2022] [Indexed: 11/13/2022] Open
Abstract
Valve replacement is the main therapy for valvular heart disease, in which a diseased valve is replaced by mechanical heart valve (MHV) or bioprosthetic heart valve (BHV). Since the 2000s, BHV surpassed MHV as the leading option of prosthetic valve substitute because of its excellent hemocompatible and hemodynamic properties. However, BHV is apt to structural valve degeneration (SVD), resulting in limited durability. Calcification is the most frequent presentation and the core pathophysiological process of SVD. Understanding the basic mechanisms of BHV calcification is an essential prerequisite to address the limited-durability issues. In this narrative review, we provide a comprehensive summary about the mechanisms of BHV calcification on 1) composition and site of calcifications; 2) material-associated mechanisms; 3) host-associated mechanisms, including immune response and foreign body reaction, oxidative stress, metabolic disorder, and thrombosis. Strategies that target these mechanisms may be explored for novel drug therapy to prevent or delay BHV calcification.
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Affiliation(s)
| | | | | | | | | | | | - Weihua Qiao
- *Correspondence: Weihua Qiao, ; Nianguo Dong,
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9
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Chung MP, Valenzuela A, Li S, Catanese B, Stevens K, Fiorentino D, Strand V, Chung L. A Pilot Study to Evaluate the Safety and Efficacy of Treprostinil in the Treatment of Calcinosis in Systemic Sclerosis. Rheumatology (Oxford) 2021; 61:2441-2449. [PMID: 34718447 DOI: 10.1093/rheumatology/keab810] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 10/23/2021] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVES We evaluated the safety and efficacy of oral treprostinil in preventing progression of SSc-associated calcinosis. METHODS This prospective open-label study enrolled 12 SSc patients meeting 2013 ACR/EULAR classification criteria with confirmed clinical and radiographic evidence of ≥ 1 calcinosis deposit in the hands. Patients received oral treprostinil for 1 year. Primary endpoints were safety/tolerability and percentage of patients without radiographic progression of calcinosis at 1 year (<25% increase in Scleroderma Clinical Trials Consortium radiographic score). Secondary endpoints included 1-year changes in Scleroderma HAQ (SHAQ), Cochin Hand Functional Scale, Medical Outcomes Survey Short Form 36 (SF-36), Raynaud Condition Score, and patient/physician assessment of calcinosis severity. RESULTS Twelve female patients were enrolled, half with diffuse cutaneous disease; median age was 55 (range 35-68) years. Five patients completed the study. Seven patients withdrew due to intolerable adverse effects (n = 3), intercurrent unrelated illness (n = 2, cirrhosis, cancer), progressive SSc (n = 1), and personal reasons (n = 1). Most patients developed headaches and gastrointestinal adverse effects. Four of 11 (36%) patients with 1-year follow-up hand radiographs experienced progression of calcinosis. Of 5 who completed treatment, calcinosis was stable in 4 (80%) with progression in 1. Based on SF-36 Physical (PCS) and Mental (MCS) Component and Domain scores, transition question, and SF-6D utility score, all patients who finished the trial reported overall improvement or no change compared with baseline. CONCLUSION Oral treprostinil was poorly tolerated in SSc patients with calcinosis. Of 5 patients who completed treatment, most (80%) had documented stability of calcinosis on hand radiographs at 1 year. CLINICALTRIALS.GOV IDENTIFIER NCT02663895.
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Affiliation(s)
- Melody P Chung
- Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Antonia Valenzuela
- Division of Clinical Immunology and Rheumatology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Shufeng Li
- Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Benjamin Catanese
- Department of Internal Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Kate Stevens
- Department of Radiology, Stanford University School of Medicine, Stanford, CA, USA
| | - David Fiorentino
- Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Vibeke Strand
- Division of Immunology and Rheumatology, Stanford University School of Medicine, Palo Alto, CA, USA
| | - Lorinda Chung
- Division of Immunology and Rheumatology, Stanford University School of Medicine, Palo Alto, CA, USA.,Division of Immunology and Rheumatology, VA Palo Alto Health Care System, Palo Alto, CA, USA
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10
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Fairchild R, Chung M, Sharpless L, Li S, Chung L. Ultrasound Detection of Calcinosis and Association With Ulnar Artery Occlusion in Patients With Systemic Sclerosis. Arthritis Care Res (Hoboken) 2021; 73:1332-1337. [PMID: 32475057 DOI: 10.1002/acr.24327] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 05/19/2020] [Indexed: 12/12/2022]
Abstract
OBJECTIVE To investigate the ability of ultrasound (US) compared to radiographs to detect calcinosis in hands/wrists of patients with systemic sclerosis (SSc), and to assess US markers of pathologic perfusion. METHODS Patients with SSc were evaluated for calcinosis in the hands/wrists by radiograph and US. The presence or absence of calcinosis was recorded by patient, hand, and anatomic zone; sensitivity and specificity for calcinosis detection by US versus radiographs was determined. Bilateral US vascular measurements of ulnar artery occlusion (UAO) and finger pulp blood flow (FPBF) were obtained. For each hand, associations between markers of pathologic blood flow (UAO, FPBF, and a composite severity score of UAO and FPBF) and the presence of calcinosis were assessed using generalized estimating equations. RESULTS Of 43 patients with SSc (19 diffuse, 24 limited), 39.5% had calcinosis on radiographs compared to 30.2% on US. Sensitivity and specificity for US, respectively, were 61% and 95% by zone, 78% and 98% by hand, and 76% and 100% by patient. UAO was seen in 30% and 28% of left and right hands, respectively; FPBF was absent in ≥1 digit of the left and right hands in 49% and 44%, respectively. UAO was associated with radiograph-identified calcinosis by hand (odds ratio [OR] 8.08 [95% confidence interval (95% CI) 2.45-26.60], P < 0.001), whereas FPBF and the composite severity score were not significant. UAO was associated with calcinosis even in the absence of digital ulcers (OR 33.00 [95% CI 3.39-321.09], P = 0.003). CONCLUSION US was sensitive and highly specific in detecting calcinosis in SSc. UAO was strongly associated with radiograph-identified calcinosis.
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Affiliation(s)
| | - Melody Chung
- Stanford University School of Medicine, Palo Alto, California
| | | | - Shufeng Li
- Stanford University Medical Center, Palo Alto, California
| | - Lorinda Chung
- Stanford University School of Medicine and Veterans Administration Palo Alto Health Care System, Palo Alto, California
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11
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Jiang W, Yang H, Li S, Tian X, Wang G. Clinical features, treatments and outcomes of calcinosis in adult patients with dermatomyositis: a single cohort study. Rheumatology (Oxford) 2021; 60:2958-2962. [PMID: 33249499 DOI: 10.1093/rheumatology/keaa618] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 08/23/2020] [Indexed: 01/05/2023] Open
Abstract
OBJECTIVE The occurrence of calcinosis cutis as a clinical feature of dermatomyositis in adult patients is not well understood. Cohort studies of adult patients with calcinosis are rare. We systematically describe the clinical features, treatments and outcomes of adult patients with calcinosis. METHODS We initially enrolled 627 adult DM patients. Of those enrolled, 35 (5.6%) were found to have calcinosis. We analysed the clinical features associated with calcinosis in this subgroup. The risk factors associated with calcinosis were analysed using the Poisson regression model. RESULTS Multivariate analysis showed that a younger age at disease onset [odds ratio (OR) = 0.945, 95% CI 0.925, 0.966, P < 0.001], dysphagia (OR = 2.609, 95% CI 1.189, 5.728, P = 0.017), skin ulcer (OR = 5.705, 95% CI 3.041, 10.705, P < 0.001) and the presence of anti-nuclear matrix protein 2 antibody (OR = 5.917, 95% CI 2.754, 12.714, P < 0.001) were independently associated with calcinosis. In both the low- and high-dose prednisone treatment groups, no difference in treatment response was seen between the bisphosphonate treatment group and the group not receiving bisphosphonate treatment (P = 1.000 and P = 0.375, respectively). A follow-up study revealed that the mortality rate of the calcinosis group was 5.7%. Additionally, 60.6% of the cases had a chronic polycyclic disease course and 17.1% had mild complications secondary to calcinosis. CONCLUSION Calcinosis is an uncommon, but significant clinical feature in adult patients with DM. Bisphosphonates were not found to effectively treat calcinosis, however, the overall health outcomes of adult DM patients with calcinosis were favourable.
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Affiliation(s)
- Wei Jiang
- Department of Rheumatology, Beijing Key Lab for Immune-Mediated Inflammatory Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Hanbo Yang
- Department of Rheumatology, Beijing Key Lab for Immune-Mediated Inflammatory Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Sizhao Li
- Department of Rheumatology, Beijing Key Lab for Immune-Mediated Inflammatory Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Xiaolan Tian
- Department of Rheumatology, Beijing Key Lab for Immune-Mediated Inflammatory Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Guochun Wang
- Department of Rheumatology, Beijing Key Lab for Immune-Mediated Inflammatory Diseases, China-Japan Friendship Hospital, Beijing, China
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12
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Gazitt T, Feld J, Zisman D. Spinal Stenosis Caused by Calcinosis in a Patient With Systemic Sclerosis. J Rheumatol 2021; 48:1488-1489. [PMID: 34329182 DOI: 10.3899/jrheum.201389] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Tal Gazitt
- Rheumatology Unit, Carmel Medical Center, Haifa
| | - Joy Feld
- Rheumatology Unit, Carmel Medical Center, Haifa
| | - Devy Zisman
- Division Head, Rheumatology Unit, Carmel Medical Center, and The Ruth and Bruce Rappaport Faculty of Medicine, Technion, Haifa, Israel
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13
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Kul Cinar O, Papadopoulou C, Pilkington CA. Treatment of Calcinosis in Juvenile Dermatomyositis. Curr Rheumatol Rep 2021; 23:13. [PMID: 33555459 DOI: 10.1007/s11926-020-00974-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/08/2020] [Indexed: 10/22/2022]
Abstract
PURPOSE OF REVIEW Juvenile dermatomyositis (JDM) is a rare autoimmune disease characterised by muscle and skin involvement. Calcinosis is a debilitating complication of JDM which is difficult to treat and may cause long-term morbidity. The purpose of this review is to provide an update for the treatment of JDM-associated calcinosis based on previously published studies. RECENT FINDINGS Evidence-based studies are lacking for the management of calcinosis, and current treatment modalities have been largely based on case reports, case series, cohort studies, limited controlled studies and anecdotal clinical experience. The use of early aggressive therapy for resistant cases is strongly suggested to halt persistent disease activity which may help in reducing steroid use and their associated complications. Recent insights into disease pathogenesis, myositis-specific antibodies and genetic associations have led to identification of novel therapeutic targets such as Janus kinase (JAK) 1/2. Different treatment regimens with variable outcomes are in use for the treatment of refractory calcinosis; nevertheless, the level of evidence is not sufficient to propose specific guidelines. Recently, JAK 1/2 inhibitors have shown to be effective as an emerging therapeutic option highlighting that translational and clinical research is crucial to develop targeted treatment for JDM-associated calcinosis.
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Affiliation(s)
- Ovgu Kul Cinar
- Paediatric Rheumatology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, WC1N 3JH, UK. .,Division of Infection and Immunity, University College London, London, WC1E 6BT, UK.
| | - Charalampia Papadopoulou
- Paediatric Rheumatology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, WC1N 3JH, UK.,Infection, Inflammation and Rheumatology Section, University College London Great Ormond Street Institute of Child Health, London, WC1N 1EH, UK
| | - Clarissa A Pilkington
- Paediatric Rheumatology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, WC1N 3JH, UK.,NIHR Biomedical Research Centre, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
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14
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López-Sundh AE, Quintana-Sancho A, Durán-Vian C, Reguero-DelCura L, Corrales-Martínez AF, Gómez-Fernández C, González-López MA. Clinical and ultrasound response to intralesional sodium thiosulfate for the treatment of calcinosis cutis in the setting of systemic sclerosis. A case-based review. Clin Rheumatol 2020; 40:2985-2989. [PMID: 33244722 DOI: 10.1007/s10067-020-05523-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 11/22/2020] [Accepted: 11/23/2020] [Indexed: 10/22/2022]
Abstract
Calcinosis cutis (CC) is defined as the deposition of calcium salts on the skin and subcutaneous tissue. It is associated with different conditions, including some autoimmune diseases, and it can generate significant inflammation, pain, and functional impairment. Different therapies have been tried with limited results. Intralesional sodium thiosulfate seems a promising therapeutic option. We report a patient with diffuse systemic sclerosis who presented with two symmetrical plaques on both axillae, which caused pain and skin retraction. The clinical diagnosis was consistent with CC, which was confirmed by skin biopsy and ultrasound. The patient was treated with a 250 mg/ml solution of sodium thiosulfate injected into the plaques. Complete resolution was achieved after three monthly sessions. The only reported adverse effect was a transient burning sensation during the injections. Given its effectiveness and safety, we believe that intralesional sodium thiosulfate could become a valid first-line option for the treatment of CC.
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Affiliation(s)
| | - A Quintana-Sancho
- Department of Dermatology, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - C Durán-Vian
- Department of Dermatology, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - L Reguero-DelCura
- Department of Dermatology, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - A F Corrales-Martínez
- Department of Rheumatology, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - C Gómez-Fernández
- Department of Dermatology, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - M A González-López
- Department of Dermatology, Hospital Universitario Marqués de Valdecilla, Santander, Spain
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Khudadah M, Jawad A, Pyne D. Calcinosis cutis universalis in a patient with systemic lupus erythematosus: a case report. Lupus 2020; 29:1630-1632. [PMID: 32693683 DOI: 10.1177/0961203320942946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Calcinosis cutis is a deposition of calcium salts in the skin and subcutaneous tissue which can occur in connective tissue diseases such as scleroderma, dermatomyositis, myositis and overlap syndrome, but rarely in association with systemic lupus erythematosus (SLE). It is subdivided into a localized 'circumscripta' and diffuse 'universalis'. The few reported cases of calcinosis in SLE were mainly of the circumscripta type. Calcinosis universalis is extremely rare and is usually associated with a history of chronic active SLE in female patients, with few proven effective treatments. We report a case of a young female patient with a long and complicated history of SLE. She presented with widespread pain and tenderness associated with multiple subcutaneous skin lesions. She was found to have evidence of calcinosis universalis on X-rays. Investigations did not reveal any associated conditions that could explain this diagnosis other than her prolonged history of SLE.
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Affiliation(s)
- Mohammad Khudadah
- Barts Health Lupus Centre, Royal London Hospital (Mile End site), London, UK
| | - Ali Jawad
- Barts Health Lupus Centre, Royal London Hospital (Mile End site), London, UK
| | - Debasish Pyne
- Barts Health Lupus Centre, Royal London Hospital (Mile End site), London, UK
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Chung MP, Richardson C, Kirakossian D, Orandi AB, Saketkoo LA, Rider LG, Schiffenbauer A, von Mühlen CA, Chung L. Calcinosis Biomarkers in Adult and Juvenile Dermatomyositis. Autoimmun Rev 2020; 19:102533. [PMID: 32234404 PMCID: PMC7225028 DOI: 10.1016/j.autrev.2020.102533] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 12/13/2019] [Indexed: 02/06/2023]
Abstract
Dermatomyositis (DM) is a rare idiopathic inflammatory myopathy characterized by muscle weakness and cutaneous manifestations in adults and children. Calcinosis, a complication of DM, is the abnormal deposition of insoluble calcium salts in tissues, including skin, subcutaneous tissue, tendons, fascia, and muscle. Calcinosis is more commonly seen in juvenile DM (JDM), but also develops in adult DM. Although the mechanism of calcinosis remains unclear, several pathogenic hypotheses have been proposed, including intracellular accumulation of calcium secondary to an alteration of the cellular membrane by trauma and inflammation, local vascular ischemia, dysregulation of mechanisms controlling the deposition and solubility of calcium and phosphate, and mitochondrial damage of muscle cells. Identifying calcinosis biomarkers is important for early disease detection and risk assessment, and may lead to novel therapeutic targets for the prevention and treatment of DM-associated calcinosis. In this review, we summarize myositis autoantibodies associated with calcinosis in DM, histopathology and chemical composition of calcinosis, genetic and inflammatory markers that have been studied in adult DM and JDM-associated calcinosis, as well as potential novel biomarkers.
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Affiliation(s)
- Melody P Chung
- Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Carrie Richardson
- Division of Rheumatology, Rush University Medical Center, Chicago, IL, USA
| | - David Kirakossian
- Department of Internal Medicine, Kaiser Permanente Santa Clara, Santa Clara, CA, USA
| | - Amir B Orandi
- Division of Pediatric Rheumatology, Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, USA
| | - Lesley A Saketkoo
- Louisiana State University School of Medicine, Tulane University School of Medicine, New Orleans Scleroderma and Sarcoidosis Patient Care and Research Center, New Orleans, LA, USA
| | - Lisa G Rider
- Environmental Autoimmunity Group, Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD, USA
| | - Adam Schiffenbauer
- Environmental Autoimmunity Group, Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD, USA
| | - Carlos A von Mühlen
- Consultant in Rheumatology and Clinical Pathology, San Diego, USA; Brazilian Society of Autoimmunity, Porto Alegre, Brazil
| | - Lorinda Chung
- Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, USA; VA Palo Alto Health Care System, Palo Alto, CA, USA.
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Chung M, Chung L. Management of Calcinosis Associated with Dermatomyositis. CURRENT TREATMENT OPTIONS IN RHEUMATOLOGY 2019. [DOI: 10.1007/s40674-019-00134-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
PURPOSE OF REVIEW To provide an update on the available literature regarding the epidemiology, pathophysiology, diagnosis, and treatment of calcinosis cutis in patients with systemic sclerosis (SSc). RECENT FINDINGS We identified observational studies that describe the frequency of calcinosis in SSc and associated clinical features; molecular studies exploring potential pathogenic mechanisms; and case reports and case series describing new diagnostic approaches and treatments. SUMMARY Calcinosis cutis is the deposition of insoluble calcium in the skin and subcutaneous tissues. It represents a major clinical problem in patients with SSc affecting at least one quarter of patients. It is associated with longer disease duration, digital ulcers, acro-osteolysis, positive anticentromere antibody, and positive anti-PM/Scl antibody. Although pathogenesis is unknown, there is evidence supporting local trauma, chronic inflammation, vascular hypoxia, and dysregulation of bone matrix proteins as potential mechanisms. Diagnosis can be made clinically or with plain radiography. Several pharmacologic therapies have been tried for calcinosis with variable and modest results, but surgical excision of calcium deposits remains the mainstay of treatment.
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Affiliation(s)
- Antonia Valenzuela
- Stanford University School of Medicine, Division of Immunology and Rheumatology, Palo Alto, California
| | - Paula Song
- Santa Clara Valley Medical Center, Department of Medicine, San Jose, California
| | - Lorinda Chung
- Stanford University School of Medicine and Palo Alto VA Healthcare System, Division of Immunology and Rheumatology, and Dermatology, Palo Alto, California, USA
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Yehudina Y, Golovach I. Calcinosis in systemic sclerosis: prevalence, clinical picture, management, complications. ACTA ACUST UNITED AC 2019. [DOI: 10.22141/2224-1507.9.2.2019.172122] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Traineau H, Aggarwal R, Monfort JB, Senet P, Oddis CV, Chizzolini C, Barbaud A, Francès C, Arnaud L, Chasset F. Treatment of calcinosis cutis in systemic sclerosis and dermatomyositis: A review of the literature. J Am Acad Dermatol 2019; 82:317-325. [PMID: 31302187 DOI: 10.1016/j.jaad.2019.07.006] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 06/13/2019] [Accepted: 07/07/2019] [Indexed: 01/11/2023]
Abstract
BACKGROUND We have limited data on the treatment of calcinosis cutis associated with systemic sclerosis and dermatomyositis. OBJECTIVE To assess the efficacy and tolerance of available treatments for calcinosis cutis based on previously published studies. METHODS We performed a systematic review of studies published in Medline, Embase, and the Cochrane library during 1980-July 2018. The strength of clinical data was graded according to the modified Oxford Centre for Evidence-Based Medicine levels of evidence. RESULTS In all, 30 studies (288 patients) were included. Eleven therapeutic classes, surgery, and physical treatments were identified as potential treatment options for calcinosis cutis. On the basis of results of a small randomized controlled trial and 4 retrospective studies, low-dose warfarin should not be used for calcinosis cutis (level IB evidence). The results of several studies suggest diltiazem and bisphosphonates might be useful treatment options (level IV). Considering biologic therapies, rituximab has shown promising results in treating both dermatomyositis and systemic sclerosis, whereas tumor necrosis factor inhibitors might be useful for treating juvenile dermatomyositis (level IV). Intralesional sodium thiosulfate might be a promising alternative (level IV). LIMITATIONS Few included studies had a high level of evidence. CONCLUSION This study highlights the efficacy and tolerance profiles of available treatments for calcinosis cutis, with a focus on level of evidence.
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Affiliation(s)
- Hélène Traineau
- Sorbonne Université, Faculté de Médecine Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Service de Dermatologie et Allergologie, Hôpital Tenon, Paris, France
| | - Rohit Aggarwal
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Jean-Benoît Monfort
- Sorbonne Université, Faculté de Médecine Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Service de Dermatologie et Allergologie, Hôpital Tenon, Paris, France
| | - Patricia Senet
- Sorbonne Université, Faculté de Médecine Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Service de Dermatologie et Allergologie, Hôpital Tenon, Paris, France
| | - Chester V Oddis
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Carlo Chizzolini
- Department of Immunology and Allergy, University Hospital and School of Medicine, Geneva, Switzerland; Department of Pathology and Immunology, School of Medicine, Geneva, Switzerland
| | - Annick Barbaud
- Sorbonne Université, Faculté de Médecine Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Service de Dermatologie et Allergologie, Hôpital Tenon, Paris, France
| | - Camille Francès
- Sorbonne Université, Faculté de Médecine Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Service de Dermatologie et Allergologie, Hôpital Tenon, Paris, France
| | - Laurent Arnaud
- Service de Rhumatologie, Hôpitaux Universitaires de Strasbourg, Laboratoire d'ImmunoRhumatologie Moléculaire, Centre National de Référence des Maladies Systémiques Auto-immunes Rares Est Sud-Ouest, INSERM UMR S1109, Université de Strasbourg, Strasbourg, France
| | - François Chasset
- Sorbonne Université, Faculté de Médecine Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Service de Dermatologie et Allergologie, Hôpital Tenon, Paris, France.
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Hwang ZA, Suh KJ, Chen D, Chan WP, Wu JS. Imaging Features of Soft-Tissue Calcifications and Related Diseases: A Systematic Approach. Korean J Radiol 2018; 19:1147-1160. [PMID: 30386146 PMCID: PMC6201973 DOI: 10.3348/kjr.2018.19.6.1147] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 05/08/2018] [Indexed: 02/05/2023] Open
Abstract
Soft-tissue calcification refers to a broad category of lesions. Calcifications are frequently identified by radiologists in daily practice. Using a simple algorithm based on the distribution pattern of the lesions and detailed clinical information, these calcified lesions can be systematically evaluated. The distribution pattern of the calcific deposits enables initial division into calcinosis circumscripta and calcinosis universalis. Using laboratory test results (serum calcium and phosphate levels) and clinical history, calcinosis circumscripta can be further categorized into four subtypes: dystrophic, iatrogenic, metastatic, and idiopathic calcification. This pictorial essay presents a systematic approach to the imaging features of soft-tissue calcifications and related diseases.
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Affiliation(s)
- Zhen-An Hwang
- Department of Radiology, Wan Fang Hospital, Taipei Medical University, Taipei 116, Taiwan.,Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
| | - Kyung Jin Suh
- Department of Radiology, Dongguk University Gyeongju Hospital, Gyeongju 38067, Korea
| | - Dillon Chen
- Department of Radiology, University of California, Davis, CA 95817, USA
| | - Wing P Chan
- Department of Radiology, Wan Fang Hospital, Taipei Medical University, Taipei 116, Taiwan.,Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
| | - Jim S Wu
- Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
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Elevated dietary magnesium during pregnancy and postnatal life prevents ectopic mineralization in Enpp1asj mice, a model for generalized arterial calcification of infancy. Oncotarget 2018; 8:38152-38160. [PMID: 28402956 PMCID: PMC5503522 DOI: 10.18632/oncotarget.16687] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Accepted: 03/16/2017] [Indexed: 01/05/2023] Open
Abstract
Generalized arterial calcification of infancy (GACI) is an autosomal recessive disorder caused by mutations in the ENPP1 gene. It is characterized by mineralization of the arterial blood vessels, often diagnosed prenatally, and associated with death in early childhood. There is no effective treatment for this devastating disorder. We previously characterized the Enpp1asjmutant mouse as a model of GACI, and we have now explored the effect of elevated dietary magnesium (five-fold) in pregnant mothers and continuing for the first 14 weeks of postnatal life. The mothers were kept on either control diet or experimental diet supplemented with magnesium. Upon weaning at 4 weeks of age the pups were placed either on control diet or high magnesium diet. The degree of mineralization was assessed at 14 weeks of age by histopathology and a chemical calcium assay in muzzle skin, kidney and aorta. Mice placed on high magnesium diet showed little, if any, evidence of mineralization when their corresponding mothers were also placed on diet enriched with magnesium during pregnancy and nursing. The reduced ectopic mineralization in these mice was accompanied by increased calcium and magnesium content in the urine, suggesting that magnesium competes calcium-phosphate binding thereby preventing the mineral deposition. These results have implications for dietary management of pregnancies in which the fetus is suspected of having GACI. Moreover, augmenting a diet with high magnesium may be beneficial for other ectopic mineralization diseases, including nephrocalcinosis.
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Liu WJ, Li W, Tang Y, Gao SJ, Fang F, Xu F, Xu Y. Soft tissue calcifications secondary to Hymenoptera stings: a potential prognostic CT imaging sign in pediatric patients. Clin Toxicol (Phila) 2018. [PMID: 29521119 DOI: 10.1080/15563650.2018.1447121] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
CONTEXT Soft tissue calcifications (STCs) were incidentally found in some of the Hymenoptera-stung (HS) children when they underwent computed tomography (CT) scans for evaluating complications of vital organs. Afterwards, a predilection of STCs to the children with severe complications was clinically noticed. A hypothesis was then developed that STCs secondary to HS may correlate with poor outcomes. OBJECTIVE This study aims to firstly characterize the CT findings of STCs in HS children and to confirm our hypothesis that the occurrence of STCs may act as an indicator of poor outcomes in HS children. MATERIALS AND METHODS Children who received CT scanning after Hymenoptera sting from January 2011 to October 2016 in our hospital were analyzed retrospectively. Shape, location, and distribution of the STCs were described according to the CT findings. Then the enrolled cases were classified into Soft Tissue Calcification Group (STCG) and non-Soft tissue Calcification Group (non-STCG) to conduct prognostic comparisons of Sequential Organ Failure Assessment (SOFA) scores, incidence of main complications (acute liver failure (ALF), acute kidney injury stage III (AKI-III) and multiple organ failure (MOF)), length of hospital days, and in-hospital death, respectively. Pearson correlation was also utilized between the cumulative volume of STCs and the SOFA score. RESULTS Sixteen cases were enrolled, and STCs' incidence was 56.25% (9/16). Two STCG cases had diffuse nodular calcifications in their swollen subcutaneous tissue, and another seven had symmetrically stripy or patchy calcifications within or along local muscles. The SOFA scores during the first 3 days were all higher in STCG, and rose to the greatest difference at the third day (9.78 ± 2.17 vs. 2.29 ± 2.06, t = 7.009, p < .001); the incidence of ALF, AKI-III and MOF were significantly higher in STCG (66.67% vs. 0, p = .011), (77.78% vs. 0, p = .003) and (77.78% vs. 14.29%, p = .041); and children in STCG were treated with longer hospital durations (26.33 ± 8.41 days vs. 12.29 ± 7.36 days, t = 3.493, p = .004). One child in STCG died of cardiopulmonary failure, and no deaths occurred in non-STCG. No significant correlations presented between STCs cumulative volumes and SOFA score (rDay1 = 0.096, p = .806; rDay2 = 0.067, p = .863; rDay3 = 0.024, p = .950). CONCLUSION Soft tissue calcifications detected on CT imaging following multiple Hymenoptera stings in pediatric patients may be a potential prognostic indicator of more severe complications and poorer outcomes.
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Affiliation(s)
- Wen-Jun Liu
- a Department of Critical Care Medicine , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,b China International Science and Technology Cooperation Base of Child Development and Critical Disorders , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,c Chongqing Key Laboratory of Pediatrics , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China
| | - Wei Li
- b China International Science and Technology Cooperation Base of Child Development and Critical Disorders , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,c Chongqing Key Laboratory of Pediatrics , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,d Department of Radiology , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China
| | - Yang Tang
- a Department of Critical Care Medicine , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,b China International Science and Technology Cooperation Base of Child Development and Critical Disorders , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,c Chongqing Key Laboratory of Pediatrics , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China
| | - Si-Jie Gao
- b China International Science and Technology Cooperation Base of Child Development and Critical Disorders , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,c Chongqing Key Laboratory of Pediatrics , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,d Department of Radiology , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China
| | - Fang Fang
- a Department of Critical Care Medicine , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,b China International Science and Technology Cooperation Base of Child Development and Critical Disorders , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,c Chongqing Key Laboratory of Pediatrics , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China
| | - Feng Xu
- a Department of Critical Care Medicine , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,b China International Science and Technology Cooperation Base of Child Development and Critical Disorders , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,c Chongqing Key Laboratory of Pediatrics , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China
| | - Ye Xu
- b China International Science and Technology Cooperation Base of Child Development and Critical Disorders , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,c Chongqing Key Laboratory of Pediatrics , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China.,d Department of Radiology , Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders , Chongqing , China
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Ectopic mineralization of cartilage and collagen-rich tendons and ligaments in Enpp1asj-2J mice. Oncotarget 2017; 7:12000-9. [PMID: 26910915 PMCID: PMC4914264 DOI: 10.18632/oncotarget.7455] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 01/31/2016] [Indexed: 01/07/2023] Open
Abstract
Generalized arterial calcification of infancy (GACI), an autosomal recessive disorder caused by mutations in the ENPP1 gene, manifests with extensive mineralization of the cardiovascular system. A spontaneous asj-2J mutant mouse has been characterized as a model for GACI. Previous studies focused on phenotypic characterization of skin and vascular tissues. This study further examined the ectopic mineralization phenotype of cartilage, collagen-rich tendons and ligaments in this mouse model. The mice were placed on either control diet or the ‘acceleration diet’ for up to 12 weeks of age. Soft connective tissues, such as ear (elastic cartilage) and trachea (hyaline cartilage), were processed for standard histology. Assessment of ectopic mineralization in articular cartilage and fibrocartilage as well as tendons and ligaments which are attached to long bones were performed using a novel cryo-histological method without decalcification. These analyses demonstrated ectopic mineralization in cartilages as well as tendons and ligaments in the homozygous asj-2J mice at 12 weeks of age, with the presence of immature osteophytes displaying alkaline phosphatase and tartrate-resistant acid phosphatase activities as early as at 6 weeks of age. Alkaline phosphatase activity was significantly increased in asj-2J mouse serum as compared to wild type mice, indicating increased bone formation rate in these mice. Together, these data highlight the key role of ENPP1 in regulating calcification of both soft and skeletal tissues.
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Düzgün N. Cutaneous calcinosis in a patient with limited scleroderma: CREST Syndrome. Eur J Rheumatol 2017; 4:305-306. [PMID: 29308290 DOI: 10.5152/eurjrheum.2017.17034] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 06/30/2017] [Indexed: 11/22/2022] Open
Affiliation(s)
- Nurşen Düzgün
- Department of Internal Medicine, Ufuk University School of Medicine, Ankara, Turkey
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Fei F, Gallas A, Chang YC, Rao Y, Hunter AC, Winpenny REP, Herrick AL, Lockyer NP, Blanford CF. Quartz Crystal Microbalance Assay of Clinical Calcinosis Samples and Their Synthetic Models Differentiates the Efficacy of Chelation-Based Treatments. ACS APPLIED MATERIALS & INTERFACES 2017; 9:27544-27552. [PMID: 28752990 DOI: 10.1021/acsami.7b08423] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
This paper sets out in vitro protocols for studying the relative effectiveness of chelators used in the dissolution-based treatment of hard calcinosis. Pulverized hard calcinosis samples from human donors or synthetic hydroxyapatite nanoparticles were deposited by electrophoretic deposition on the surface of a quartz crystal microbalance sensor. Over 150 deposits of <20 μg were dissolved over the course of 1 h by aliquots of buffered, aqueous solutions of two calcium chelators, EDTA and citrate, with the surface-limited dissolution kinetics monitored with <1 s time resolution. There was no statistically significant difference in dissolution rate between the four synthetic hydroxyapatite materials in EDTA, but the dissolution rates in citrate were lower for hydroxyapatite produced by acetate or nitrate metathesis. Hard calcinosis and synthetic hydroxyapatites showed statistically identical dissolution behavior, meaning that readily available synthetic mimics can replace the rarer samples of biological origin in the development of calcinosis treatments. EDTA dissolved the hydroxyapatite deposits more than twice as fast as citrate at pH 7.4 and 37 °C, based on a first-order kinetic analysis of the initial frequency response. EDTA chelated 6.5 times more calcium than an equivalent number of moles of citrate. Negative controls using nonchelating N,N,N',N'-tetraethylethylenediamine (TEEDA) showed no dissolution effect. Pharmaceutical dissolution testing of synthetic hydroxyapatite tablets over 6 h showed that EDTA dissolved the tablets four to nine times more quickly than citrate.
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Affiliation(s)
- Fan Fei
- Manchester Institute of Biotechnology, University of Manchester , 131 Princess Street, Manchester, M1 7DN, U.K
| | | | - Yun-Chuan Chang
- Manchester Institute of Biotechnology, University of Manchester , 131 Princess Street, Manchester, M1 7DN, U.K
| | - Yikun Rao
- Manchester Institute of Biotechnology, University of Manchester , 131 Princess Street, Manchester, M1 7DN, U.K
| | | | | | | | - Nicholas P Lockyer
- Manchester Institute of Biotechnology, University of Manchester , 131 Princess Street, Manchester, M1 7DN, U.K
| | - Christopher F Blanford
- Manchester Institute of Biotechnology, University of Manchester , 131 Princess Street, Manchester, M1 7DN, U.K
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Tonial A, Catchart M, Santos T, Azevedo P, Skare T, Martin P. TIOSSULFATO DE SÓDIO 10% INTRADÉRMICO PARA TRATAMENTO DE CALCINOSE. REVISTA BRASILEIRA DE REUMATOLOGIA 2017. [DOI: 10.1016/j.rbr.2017.07.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Hand Impairment in Systemic Sclerosis: Various Manifestations and Currently Available Treatment. CURRENT TREATMENT OPTIONS IN RHEUMATOLOGY 2016. [PMID: 28018840 DOI: 10.1007/s40674-016-0052-9.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/29/2022]
Abstract
Systemic sclerosis (SSc) is an autoimmune disease initially recognized by hand involvement due to characteristic Raynaud's phenomenon (RP), puffy hands, skin thickening, and contractures resembling claw deformities. SSc contributes to hand impairment through inflammatory arthritis, joint contractures, tendon friction rubs (TFRs), RP, digital ulcers (DU), puffy hands, skin sclerosis, acro-osteolysis, and calcinosis. These manifestations, which often co-exist, can contribute to difficulty with occupational activities and activities of daily living (ADL), which can result in impaired quality of life. However, despite this knowledge, most diagnostic and treatment principles in SSc are focused on visceral manifestations due to known associations with morbidity and mortality. Treatment of inflammatory arthritis is symptom based and involves corticosteroids ≤10mg daily, methotrexate, tumor necrosis factor inhibitors, tocilizumab, and abatacept. Small joint contractures are managed by principles of occupational hand therapy and rarely surgical procedures. TFRs may be treated similar to inflammatory arthritis with corticosteroids. All patients with RP and DU should keep digits covered and warm and avoid vasoconstrictive agents. Pharmacologic management of RP begins with use of calcium channel blockers, but additional agents that may be considered are fluoxetine and phosphodiesterase 5 (PDE5) inhibitors. DU management also involves vasodilators including calcium channel blockers and PDE5 inhibitors; bosentan has also been shown to prevent DU. In patients with severe RP and active DU, intravenous epoprostenol or iloprost can be used and surgical procedures, such as botulinum injections and digital sympathectomies, may be considered. For those with early diffuse cutaneous SSc needing immunosuppression for skin sclerosis, methotrexate or mycophenolate mofetil can be used, but the agent of choice depends on co-existing manifestations, such as inflammatory arthritis and/or lung involvement. Various pharmacologic agents for calcinosis have been considered but are generally ineffective; however, surgical options, including excision of areas of calcinosis, can be considered. Overall management of hand impairment for all patients with SSc should include occupational hand therapy techniques such as range of motion exercises, paraffin wax, and devices to assist in ADL. Thus, treatment options for the various manifestations contributing to hand impairment in SSc are limited and often modestly efficacious at best. Robust studies are needed to address the manifestations of SSc that contribute to hand impairment.
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Cruz-Domínguez MP, García-Collinot G, Saavedra MA, Medina G, Carranza-Muleiro RA, Vera-Lastra OL, Jara LJ. Clinical, biochemical, and radiological characterization of the calcinosis in a cohort of Mexican patients with systemic sclerosis. Clin Rheumatol 2016; 36:111-117. [PMID: 27718018 DOI: 10.1007/s10067-016-3412-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 09/08/2016] [Accepted: 09/09/2016] [Indexed: 12/16/2022]
Abstract
Calcinosis is a frequent complication of systemic sclerosis (SSc) that is usually located in extremities but may occur across the board. The aim of our study was to identify and quantify the distribution of calcinosis in a cohort of Mexican patients with SSc and its association with clinical features and autoantibodies. A cohort of patients with SSc (2013 ACR/EULAR criteria), classified in diffuse cutaneous (dcSSc) and limited cutaneous (lcSSc) (Le Roy criteria), was studied. For their analysis, patients were allocated into those with and without calcinosis (clinical and/or radiological). The evaluation included the modified Rodnan scale for skin and Medsger disease severity scale (DSS). Calcium, phosphorus, vitamin D, and parathyroid hormone (PTH) and antinuclear antibodies and extractable nuclear antigens were determined in serum. A total of 109 patients were included, 41 (37 %) with and 68 (63 %) without calcinosis. Calcinosis was more frequent in patients with dcSSc (55 vs 27 %). In total, we identified 354 sites with calcinosis and mean per patient of 12.0 ± 9.1; the most common sites affected were the hands (83 %), proximal upper extremity (27 %), and proximal lower extremity (22 %). Patients with calcinosis had a higher score of Rodnan scale, Mesdger DSS, and frequency of anti-nucleolar and anti-Scl-70 antibodies compared to those without calcinosis. Abnormal PTH elevation was found in 35 % of patients with calcinosis and 23 % without it. The prevalence of calcinosis is high in Mexican patients with SSc, especially in diffuse variety, and is associated with increased severity of disease.
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Affiliation(s)
- María Pilar Cruz-Domínguez
- Research Division, Hospital de Especialidades Dr. Antonio Fraga Mouret, Centro Médico Nacional La Raza, IMSS, Mexico City, Mexico
| | - Grettel García-Collinot
- Training Center for Clinical Research, Instituto Politécnico Nacional, Hospital de Especialidades Dr. Antonio Fraga Mouret, Centro Médico Nacional La Raza, IMSS, Mexico City, Mexico
| | - Miguel A Saavedra
- Rheumatology Department, Hospital de Especialidades Dr. Antonio Fraga Mouret, Centro MédicoNacional La Raza, IMSS, Mexico City, Mexico
| | - Gabriela Medina
- Clinical Research Unit, Hospital de Especialidades Dr. Antonio Fraga Mouret, Centro Médico Nacional La Raza, IMSS, Mexico City, Mexico
| | - Rosa Angélica Carranza-Muleiro
- Superior Medical School, Instituto Politecnico Nacional, Hospital de Especialidades Dr. Antonio Fraga Mouret, Centro Médico Nacional La Raza, IMSS, Mexico City, Mexico
| | - Olga Lidia Vera-Lastra
- Internal Medicine Department, Hospital de Especialidades Dr. Antonio Fraga Mouret, Centro Médico Nacional La Raza, IMSS, Mexico City, Mexico
| | - Luis J Jara
- Direction of Education and Research, Hospital de Especialidades Dr. Antonio Fraga Mouret, Centro Médico Nacional La Raza, IMSS, Mexico City, Mexico.
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Young A, Namas R, Dodge C, Khanna D. Hand Impairment in Systemic Sclerosis: Various Manifestations and Currently Available Treatment. CURRENT TREATMENT OPTIONS IN RHEUMATOLOGY 2016; 2:252-269. [PMID: 28018840 DOI: 10.1007/s40674-016-0052-9] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Systemic sclerosis (SSc) is an autoimmune disease initially recognized by hand involvement due to characteristic Raynaud's phenomenon (RP), puffy hands, skin thickening, and contractures resembling claw deformities. SSc contributes to hand impairment through inflammatory arthritis, joint contractures, tendon friction rubs (TFRs), RP, digital ulcers (DU), puffy hands, skin sclerosis, acro-osteolysis, and calcinosis. These manifestations, which often co-exist, can contribute to difficulty with occupational activities and activities of daily living (ADL), which can result in impaired quality of life. However, despite this knowledge, most diagnostic and treatment principles in SSc are focused on visceral manifestations due to known associations with morbidity and mortality. Treatment of inflammatory arthritis is symptom based and involves corticosteroids ≤10mg daily, methotrexate, tumor necrosis factor inhibitors, tocilizumab, and abatacept. Small joint contractures are managed by principles of occupational hand therapy and rarely surgical procedures. TFRs may be treated similar to inflammatory arthritis with corticosteroids. All patients with RP and DU should keep digits covered and warm and avoid vasoconstrictive agents. Pharmacologic management of RP begins with use of calcium channel blockers, but additional agents that may be considered are fluoxetine and phosphodiesterase 5 (PDE5) inhibitors. DU management also involves vasodilators including calcium channel blockers and PDE5 inhibitors; bosentan has also been shown to prevent DU. In patients with severe RP and active DU, intravenous epoprostenol or iloprost can be used and surgical procedures, such as botulinum injections and digital sympathectomies, may be considered. For those with early diffuse cutaneous SSc needing immunosuppression for skin sclerosis, methotrexate or mycophenolate mofetil can be used, but the agent of choice depends on co-existing manifestations, such as inflammatory arthritis and/or lung involvement. Various pharmacologic agents for calcinosis have been considered but are generally ineffective; however, surgical options, including excision of areas of calcinosis, can be considered. Overall management of hand impairment for all patients with SSc should include occupational hand therapy techniques such as range of motion exercises, paraffin wax, and devices to assist in ADL. Thus, treatment options for the various manifestations contributing to hand impairment in SSc are limited and often modestly efficacious at best. Robust studies are needed to address the manifestations of SSc that contribute to hand impairment.
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Affiliation(s)
- Amber Young
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA; University of Michigan Scleroderma Program, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Rajaie Namas
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA; University of Michigan Scleroderma Program, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Carole Dodge
- Division of Occupational and Physical Therapy, University of Michigan, Ann Arbor, MI, USA
| | - Dinesh Khanna
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA; University of Michigan Scleroderma Program, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
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Valenzuela A, Chung L. Management of Calcinosis Associated with Systemic Sclerosis. CURRENT TREATMENT OPTIONS IN RHEUMATOLOGY 2016. [DOI: 10.1007/s40674-016-0035-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Li Q, Sundberg JP, Levine MA, Terry SF, Uitto J. The effects of bisphosphonates on ectopic soft tissue mineralization caused by mutations in the ABCC6 gene. Cell Cycle 2015; 14:1082-9. [PMID: 25607347 DOI: 10.1080/15384101.2015.1007809] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Pseudoxanthoma elasticum (PXE) and generalized arterial calcification of infancy (GACI) are heritable ectopic mineralization disorders. Most cases of PXE and many cases of GACI harbor mutations in the ABCC6 gene. There is no effective treatment for these disorders. We explored the potential efficacy of bisphosphonates to prevent ectopic calcification caused by ABCC6 mutations by feeding Abcc6(-/-) mice with diet containing etidronate disodium (ETD) or alendronate sodium trihydrate (AST) in quantities corresponding to 1x, 5x, or 12x of the doses used to treat osteoporosis in humans. The mice were placed on diet at 4 weeks of age, and the degree of mineralization was assessed at 12 weeks by quantitation of the calcium deposits in the dermal sheath of vibrissae, a progressive biomarker of the mineralization, by computerized morphometry of histopathologic sections and by direct chemical assay of calcium. We found that ETD, but not AST, at the 12x dosage, significantly reduced mineralization, suggesting that selected bisphosphonates may be helpful for prevention of mineral deposits in PXE and GACI caused by mutations in the ABCC6 gene, when combined with careful monitoring of efficacy and potential side-effects.
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Affiliation(s)
- Qiaoli Li
- a Department of Dermatology and Cutaneous Biology; Sidney Kimmel Medical College ; Thomas Jefferson University ; Philadelphia , PA USA
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Calcinosis Universalis of the Elbow: A Rare Case with Classical Presentation. Case Rep Orthop 2015; 2015:505420. [PMID: 26579322 PMCID: PMC4633560 DOI: 10.1155/2015/505420] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 10/05/2015] [Indexed: 01/08/2023] Open
Abstract
Juvenile Dermatomyositis (JDM) is a rare autoimmune disease in children and adolescents. In these patients calcinosis might be the most characteristic symptom. However there are only few reported cases of intramuscular calcinosis in Dermatomyositis. We report a case of calcinosis universalis (CU) of the elbow in JDM successfully treated with broaching. The patient, a 24-year-old woman, suffered from a long history of JDM. On examination she presented with a fistula lateral to the olecranon and pain of the right elbow joint. Plain X-rays displayed a diffuse pattern of multiple periarticular, subcutaneous, and intramuscular calcifications. The patient underwent surgery for histological and microbiological sampling as well as broaching. Intraoperatively sinus formation and subfascial hard calcium deposition were found. Due to the risk of collateral tissue damage, incomplete broaching was performed. A local infection with Staphylococcus was diagnosed and treated with antibiotics. On six-week and 30-month follow-up the patient was free of pain and had very good function. Calcifications on standard radiographs had almost resolved entirely. This case report gives a summary on calcinosis in Dermatomyositis and adds a new case of recalcitrant CU to the literature. Broaching surgery proved to be a reliable treatment option in symptomatic calcinosis.
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Pagnini I, Vitale A, Selmi C, Cimaz R, Cantarini L. Idiopathic Inflammatory Myopathies: an Update on Classification and Treatment with Special Focus on Juvenile Forms. Clin Rev Allergy Immunol 2015; 52:34-44. [DOI: 10.1007/s12016-015-8512-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Use of dual-energy computed tomography for the evaluation of calcinosis in patients with systemic sclerosis. Clin Rheumatol 2015; 34:1557-61. [PMID: 26134593 PMCID: PMC4548006 DOI: 10.1007/s10067-015-2998-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Revised: 06/18/2015] [Accepted: 06/20/2015] [Indexed: 01/26/2023]
Abstract
We examined the usefulness of dual-energy computed tomography (DECT) in the evaluation of symptomatic systemic sclerosis (SSc)-related calcinosis of the hands. We performed DECT scan of the hands in 16 patients with symptomatic SSc-calcinosis to better characterize the calcinosis, their locations within the soft tissues, and exclude monosodium urate (MSU) crystal deposition. We also compared their computed tomography (CT) images to plain radiographs of one hand. Pertinent clinical information from this cohort was collected. Sixteen SSc patients underwent DECT and plain X-ray imaging of the hands. Five of the 16 SSc patients in our cohort had overlap disease, either rheumatoid arthritis (RA) and/or myopathy. Calcinosis symptoms included painful deposits (88 %), soft tissue swelling (66 %), and recurrent infections (44 %) from these deposits. On DECT, calcinosis deposits had the same color and density as the bone and no MSU was found. However, their CT images showed better details of the calcinosis locations in the soft tissues as well as the bone destruction, especially if there was overlying bulky deposits or flexion contractures. These deposits were most commonly found in the subcutaneous fat pads of the fingertips, along tendon and muscle groups, or within the carpal tunnel. DECT did not confirm MSU in our cohort with calcinosis. However, CT imaging was superior to plain radiographs in locating these deposits within the soft tissues and may be a useful tool to study SSc-calcinosis affecting the hands, particularly in the setting of progressive hand deformities.
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Hoeltzel MF, Oberle EJ, Robinson AB, Agarwal A, Rider LG. The presentation, assessment, pathogenesis, and treatment of calcinosis in juvenile dermatomyositis. Curr Rheumatol Rep 2015; 16:467. [PMID: 25366934 DOI: 10.1007/s11926-014-0467-y] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Calcinosis is one of the hallmark sequelae of juvenile dermatomyositis (JDM), and despite recent progress in the therapy of JDM, dystrophic calcification still occurs in approximately one third of patients. This review discusses our current, albeit limited, understanding of risk factors for the development of calcinosis in JDM, as well as approaches to assessment, and current views on its pathogenesis. Anecdotal approaches to treating calcinosis associated with JDM, including both anti-inflammatory therapies and agents aimed at inhibiting the deposition of calcium hydroxyapatite, are reviewed. An improved understanding of the pathogenesis of calcinosis, the establishment of standardized measurement tools to assess calcinosis, and randomized controlled trials employing more sensitive outcome measures are needed to develop efficacious therapies for this often disabling complication.
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Affiliation(s)
- Mark F Hoeltzel
- Pediatric Rheumatology, Mott Children's Hospital, University of Michigan, 1500 E. Medical Center Dr., Ann Arbor, MI, 48109, USA,
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Jayanthi MR, Basher RK, Bhadada SK, Bhattacharya A, Mittal BR. A case of adult dermatomyositis with calcinosis universalis. Indian J Nucl Med 2014; 29:278-9. [PMID: 25400376 PMCID: PMC4228600 DOI: 10.4103/0972-3919.142649] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Calcinosis, although frequent in juvenile dermatomyositis is a rare finding in adults. It is more common in later phases of the disease, involving sites under chronic stress and trauma. We present a 52-year-old female patient of dermatomyositis who on single-photon emission computed tomography/computed tomography hybrid images showed exclusive subcutaneous fat calcinosis, also known as calcinosis universalis - a phenomenon that is only rarely reported in adult-onset dermatomyositis.
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Affiliation(s)
- Mohan Roop Jayanthi
- Department of Nuclear Medicine and PET, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Rajender Kumar Basher
- Department of Nuclear Medicine and PET, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Sanjay Kumar Bhadada
- Department of Endocrinology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Anish Bhattacharya
- Department of Nuclear Medicine and PET, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Bhagwant Rai Mittal
- Department of Nuclear Medicine and PET, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Valenzuela A, Chung L, Casciola-Rosen L, Fiorentino D. Identification of clinical features and autoantibodies associated with calcinosis in dermatomyositis. JAMA Dermatol 2014; 150:724-9. [PMID: 24869801 DOI: 10.1001/jamadermatol.2013.10416] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
IMPORTANCE Prior studies have estimated that up to 20% of adults with dermatomyositis (DM) have calcinosis, which can lead to significant morbidity. Identification of risk factors may provide a better understanding of the pathogenesis and ultimately therapy for this difficult clinical problem. Risk factors for calcinosis in adults with DM have not been extensively studied. OBJECTIVES To determine the prevalence of calcinosis and to identify associated clinical features in a cohort of extensively phenotyped adults with DM. DESIGN, SETTING, AND PARTICIPANTS A cross-sectional study of 126 patients diagnosed as having DM from January 1, 2006, through January 1, 2013, was performed. Patients were adults (≥18 years of age) attending the Stanford University Medical Center clinic. MAIN OUTCOMES AND MEASURES Calcinosis, defined as the presence of calcium deposition in the skin and subcutaneous tissues on physical examination. RESULTS Fourteen patients (11.1%) had calcinosis, with the extremities most commonly involved. Patients with vs those without calcinosis had a longer disease duration (median, 6.9 years; range, 2.4-18.1; vs median, 3.9 years; range, 0.2-19.2 years; P = .003) and more fingertip ulcers (50.0% vs 9.3%, P < .001). An association between calcinosis and both interstitial lung disease and anti-MDA-5 autoantibodies was identified, but this association did not persist in multivariate models that adjusted for fingertip ulcers. Fingertip ulcers and disease duration were strongly associated with calcinosis in all multivariate models, independent of the underlying autoantibody present. Autoantibodies to NXP-2 were associated with calcinosis (odds ratio, 15.52; 95% CI, 2.01-119.90), whereas anti-transcriptional intermediary factor 1-γ antibodies were protective (odds ratio, 0.2; 95% CI, 0.01-0.99) in multivariate analyses that adjusted for fingertip ulcers and other covariates. CONCLUSIONS AND RELEVANCE Calcinosis was a relatively uncommon clinical feature in our cohort of adults with DM. Our data suggest that calcinosis is positively associated with longer disease duration, fingertip ulcers, and NXP-2 autoantibodies and negatively associated with transcriptional intermediary factor 1-γ antibodies. A common vascular mechanism may underlie the development of both calcinosis and fingertip ulcers in patients with DM.
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Affiliation(s)
- Antonia Valenzuela
- Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, California
| | - Lorinda Chung
- Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, California2Department of Dermatology, Stanford University School of Medicine, Stanford, California
| | - Livia Casciola-Rosen
- Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - David Fiorentino
- Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, California2Department of Dermatology, Stanford University School of Medicine, Stanford, California
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Bienvenu B. Traitement des calcinoses sous-cutanées des connectivites. Rev Med Interne 2014; 35:444-52. [DOI: 10.1016/j.revmed.2014.04.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2014] [Accepted: 04/24/2014] [Indexed: 02/06/2023]
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Shahi V, Wetter D, Howe B, Ringler M, Davis M. Plain radiography is effective for the detection of calcinosis cutis occurring in association with autoimmune connective tissue disease. Br J Dermatol 2014; 170:1073-9. [DOI: 10.1111/bjd.12785] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/07/2013] [Indexed: 01/19/2023]
Affiliation(s)
- V. Shahi
- Mayo Medical School; College of Medicine; Rochester MN U.S.A
| | - D.A. Wetter
- Department of Dermatology; Mayo Clinic; Rochester MN U.S.A
| | - B.M. Howe
- Department of Radiology; Mayo Clinic; Rochester MN U.S.A
| | - M.D. Ringler
- Department of Radiology; Mayo Clinic; Rochester MN U.S.A
| | - M.D.P. Davis
- Department of Dermatology; Mayo Clinic; Rochester MN U.S.A
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Abstract
Calcinosis cutis (CC) is a type of calcinosis wherein insoluble compounds or salts deposited on the skin. Clinical diagnosis of CC is usually achieved through time consuming histopathological or immunohistochemical procedures, but it can only be empirically identified by experienced practitioners. The use of advanced vibrational spectroscopy has been recently shown to have great potential as a diagnostic technique for various diseased tissues because it analyses the chemical composition of diseased tissue rather than its anatomy and predicts disease progression. This review article includes a summary of the application of Fourier transform infrared (FT-IR) and Raman spectroscopic or microspectroscopic analysis for the rapid diagnosis and identification of the chemical composition of skin calcified deposits in patients with various CC symptoms. Both advanced techniques not only can detect the types of insoluble salts such as calcium phosphate, calcium carbonate, and monosodium urate, and β-carotene in the calcified deposits of human skin tissue but also can directly differentiate the carbonate substitution in the apatite structure of the skin calcified deposits. In particular, the combination of both vibrational techniques may provide complementary information to simultaneously assess the intact components of the calcified deposits. In the future, both FT-IR and Raman vibrational microspectroscopic techniques will become available tools to support the standard test techniques currently used in some clinical diagnoses. Molecular spectroscopy technique is rapidly changing disease diagnosis and management.
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Fukuyo S, Yamaoka K, Sonomoto K, Oshita K, Okada Y, Saito K, Yoshida Y, Kanazawa T, Minami Y, Tanaka Y. IL-6-accelerated calcification by induction of ROR2 in human adipose tissue-derived mesenchymal stem cells is STAT3 dependent. Rheumatology (Oxford) 2014; 53:1282-90. [PMID: 24599911 DOI: 10.1093/rheumatology/ket496] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE The mechanisms of ectopic calcification in inflammatory diseases are poorly understood. We investigated the effects of inflammatory cytokines on the mechanisms of calcification in human adipose tissue-derived mesenchymal stem cells (hADSCs). METHODS The effects of inflammatory cytokines were evaluated using hADSCs cultured in osteoblast induction medium. mRNA expression was measured by real-time PCR and protein levels were measured by western blotting. Cell mineralization was evaluated by Alizarin Red S staining. RESULTS In hADSCs, administration of IL-6/soluble IL-6 receptor (sIL-6R), TNF or IL-1β accelerated calcification through enhanced expression of an osteoblast differentiation marker, runt-related transcription factor 2 (RUNX2). IL-6/sIL-6R had the greatest effect. The transcription of mRNA for receptor tyrosine kinase-like orphan receptor 2 (ROR2), involved in the non-canonical wingless-type (WNT) MMTV integration site pathway, was increased, while β-catenin expression, an essential factor in the canonical WNT signalling pathway for osteoblast differentiation, did not change. Suppression of signal transducer and activator of transcription 3 (STAT3), but not STAT1, by small interfering RNA (siRNA) exerted a strong inhibitory effect on RUNX2 and ROR2 expression, and inhibited accelerated calcification. CONCLUSION IL-6/sIL-6R stimulation accelerated the ROR2/WNT5A pathway in hADSCs in a STAT3-dependent manner, resulting in augmented calcification. These results suggest that the mechanisms of ectopic calcification accelerated by IL-6 in hADSCs may be involved in chronic inflammatory tissues and that IL-6 inhibitors may be beneficial in the treatment of ectopic calcification in inflammatory diseases.
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Affiliation(s)
- Shunsuke Fukuyo
- First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Pharmacology Research Laboratories I, Research Division, Mitsubishi Tanabe Pharma Corporation, Yokohama, Kanagawa, Department of Immunology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu and Department of Physiology and Cell Biology, Graduate School of Medicine, School of Medicine, Kobe University, Kobe, Japan
| | - Kunihiro Yamaoka
- First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Pharmacology Research Laboratories I, Research Division, Mitsubishi Tanabe Pharma Corporation, Yokohama, Kanagawa, Department of Immunology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu and Department of Physiology and Cell Biology, Graduate School of Medicine, School of Medicine, Kobe University, Kobe, Japan
| | - Koshiro Sonomoto
- First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Pharmacology Research Laboratories I, Research Division, Mitsubishi Tanabe Pharma Corporation, Yokohama, Kanagawa, Department of Immunology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu and Department of Physiology and Cell Biology, Graduate School of Medicine, School of Medicine, Kobe University, Kobe, Japan
| | - Koichi Oshita
- First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Pharmacology Research Laboratories I, Research Division, Mitsubishi Tanabe Pharma Corporation, Yokohama, Kanagawa, Department of Immunology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu and Department of Physiology and Cell Biology, Graduate School of Medicine, School of Medicine, Kobe University, Kobe, Japan.First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Pharmacology Research Laboratories I, Research Division, Mitsubishi Tanabe Pharma Corporation, Yokohama, Kanagawa, Department of Immunology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu and Department of Physiology and Cell Biology, Graduate School of Medicine, School of Medicine, Kobe University, Kobe, Japan
| | - Yosuke Okada
- First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Pharmacology Research Laboratories I, Research Division, Mitsubishi Tanabe Pharma Corporation, Yokohama, Kanagawa, Department of Immunology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu and Department of Physiology and Cell Biology, Graduate School of Medicine, School of Medicine, Kobe University, Kobe, Japan
| | - Kazuyoshi Saito
- First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Pharmacology Research Laboratories I, Research Division, Mitsubishi Tanabe Pharma Corporation, Yokohama, Kanagawa, Department of Immunology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu and Department of Physiology and Cell Biology, Graduate School of Medicine, School of Medicine, Kobe University, Kobe, Japan
| | - Yasuhiro Yoshida
- First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Pharmacology Research Laboratories I, Research Division, Mitsubishi Tanabe Pharma Corporation, Yokohama, Kanagawa, Department of Immunology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu and Department of Physiology and Cell Biology, Graduate School of Medicine, School of Medicine, Kobe University, Kobe, Japan
| | - Tamotsu Kanazawa
- First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Pharmacology Research Laboratories I, Research Division, Mitsubishi Tanabe Pharma Corporation, Yokohama, Kanagawa, Department of Immunology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu and Department of Physiology and Cell Biology, Graduate School of Medicine, School of Medicine, Kobe University, Kobe, Japan
| | - Yasuhiro Minami
- First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Pharmacology Research Laboratories I, Research Division, Mitsubishi Tanabe Pharma Corporation, Yokohama, Kanagawa, Department of Immunology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu and Department of Physiology and Cell Biology, Graduate School of Medicine, School of Medicine, Kobe University, Kobe, Japan
| | - Yoshiya Tanaka
- First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Pharmacology Research Laboratories I, Research Division, Mitsubishi Tanabe Pharma Corporation, Yokohama, Kanagawa, Department of Immunology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu and Department of Physiology and Cell Biology, Graduate School of Medicine, School of Medicine, Kobe University, Kobe, Japan.
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Craggs L, Misir AF, Manisali M. Facial calcinosis: case report. Br J Oral Maxillofac Surg 2013; 51:e319-20. [DOI: 10.1016/j.bjoms.2013.07.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2013] [Accepted: 07/12/2013] [Indexed: 11/30/2022]
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Rider LG, Katz JD, Jones OY. Developments in the classification and treatment of the juvenile idiopathic inflammatory myopathies. Rheum Dis Clin North Am 2013; 39:877-904. [PMID: 24182859 PMCID: PMC3817412 DOI: 10.1016/j.rdc.2013.06.001] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
This review updates recent trends in the classification of the juvenile idiopathic inflammatory myopathies (JIIM) and the emerging standard of treatment of the most common form of JIIM, juvenile dermatomyositis. The JIIM are rare, heterogeneous autoimmune diseases that share chronic muscle inflammation and weakness. A growing spectrum of clinicopathologic groups and serologic phenotypes defined by the presence of myositis autoantibodies are now recognized, each with differing demographics, clinical manifestations, laboratory findings, and prognoses. Although daily oral corticosteroids remain the backbone of treatment, disease-modifying anti-rheumatic drugs are almost always used adjunctively and biologic therapies may benefit patients with recalcitrant disease.
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Affiliation(s)
- Lisa G Rider
- Environmental Autoimmunity Group, Program of Clinical Research, National Institute of Environmental Health Sciences, National Institutes of Health, CRC 4-2352, MSC 1301, 10 Center Drive, Bethesda, MD 20892-1301, USA; Myositis Center, Division of Rheumatology, Department of Medicine, George Washington University, G-400, 2150 Pennsylvania Avenue Northwest, Washington, DC 20037, USA.
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Li Q, Jiang Q, Uitto J. Ectopic mineralization disorders of the extracellular matrix of connective tissue: molecular genetics and pathomechanisms of aberrant calcification. Matrix Biol 2013; 33:23-8. [PMID: 23891698 DOI: 10.1016/j.matbio.2013.06.003] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2013] [Revised: 06/10/2013] [Accepted: 06/11/2013] [Indexed: 01/07/2023]
Abstract
Ectopic mineralization of connective tissues is a complex process leading to deposition of calcium phosphate complexes in the extracellular matrix, particularly affecting the skin and the arterial blood vessels and common in age-associated disorders. A number of initiating and contributing metabolic and environmental factors are linked to aberrant mineralization in these diseases, making the identification of precise pathomechanistic pathways exceedingly difficult. However, there has been significant recent progress in understanding the ectopic mineralization processes through study of heritable single-gene disorders, which have allowed identification of discrete pathways and contributing factors leading to aberrant connective tissue mineralization. These studies have provided support for the concept of an intricate mineralization/anti-mineralization network present in peripheral connective tissues, providing a perspective to development of pharmacologic approaches to limit the phenotypic consequences of ectopic mineralization. This overview summarizes the current knowledge of ectopic heritable mineralization disorders, with accompanying animal models, focusing on pseudoxanthoma elasticum and generalized arterial calcification of infancy, two autosomal recessive diseases manifesting with extensive connective tissue mineralization in the skin and the cardiovascular system.
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Affiliation(s)
- Qiaoli Li
- Department of Dermatology and Cutaneous Biology, Jefferson Medical College, 233 S. 10th Street, Philadelphia, PA, United States
| | - Qiujie Jiang
- Department of Dermatology and Cutaneous Biology, Jefferson Medical College, 233 S. 10th Street, Philadelphia, PA, United States
| | - Jouni Uitto
- Department of Dermatology and Cutaneous Biology, Jefferson Medical College, 233 S. 10th Street, Philadelphia, PA, United States.
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Selig HF, Pillukat T, Mühldorfer-Fodor M, Schmitt S, van Schoonhoven J. Surgical treatment of extensive subcutaneous calcification of the forearm in CREST syndrome. J Plast Reconstr Aesthet Surg 2013; 66:1817-8. [PMID: 23849984 DOI: 10.1016/j.bjps.2013.06.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Revised: 06/10/2013] [Accepted: 06/17/2013] [Indexed: 11/18/2022]
Affiliation(s)
- Harald F Selig
- Clinic for Hand Surgery, Rhoen-Klinikum AG, Bad Neustadt/Saale, Germany; Clinic for Plastic, Hand and Reconstructive Surgery, Burn and Trauma Center, Eberhard-Karls-University Tuebingen, Tuebingen, Germany.
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Li Q, Uitto J. Mineralization/anti-mineralization networks in the skin and vascular connective tissues. THE AMERICAN JOURNAL OF PATHOLOGY 2013; 183:10-8. [PMID: 23665350 PMCID: PMC3702739 DOI: 10.1016/j.ajpath.2013.03.002] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Accepted: 03/12/2013] [Indexed: 02/06/2023]
Abstract
Ectopic mineralization has been linked to several common clinical conditions with considerable morbidity and mortality. The mineralization processes, both metastatic and dystrophic, affect the skin and vascular connective tissues. There are several contributing metabolic and environmental factors that make uncovering of the precise pathomechanisms of these acquired disorders exceedingly difficult. Several relatively rare heritable disorders share phenotypic manifestations similar to those in common conditions, and, consequently, they serve as genetically controlled model systems to study the details of the mineralization process in peripheral tissues. This overview will highlight diseases with mineral deposition in the skin and vascular connective tissues, as exemplified by familial tumoral calcinosis, pseudoxanthoma elasticum, generalized arterial calcification of infancy, and arterial calcification due to CD73 deficiency. These diseases, and their corresponding mouse models, provide insight into the pathomechanisms of soft tissue mineralization and point to the existence of intricate mineralization/anti-mineralization networks in these tissues. This information is critical for understanding the pathomechanistic details of different mineralization disorders, and it has provided the perspective to develop pharmacological approaches to counteract the consequences of ectopic mineralization.
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Affiliation(s)
| | - Jouni Uitto
- Department of Dermatology and Cutaneous Biology, Jefferson Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
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Previously undescribed pulpal and periodontal ligament calcifications in systemic sclerosis: a case report. Oral Surg Oral Med Oral Pathol Oral Radiol 2013; 115:e47-51. [DOI: 10.1016/j.oooo.2012.09.091] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Revised: 07/28/2012] [Accepted: 09/19/2012] [Indexed: 12/18/2022]
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