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Enthesitis related arthritis (ERA) is a specific type of juvenile idiopathic arthritis (JIA) and ERA typically begins with enthesitis and peripheral arthritis in the lower extremities, progressing later in the disease to sacroiliitis and spinal involvement. The condition has a strong relationship with the HLA-B27 and primarily affects boys between the ages of 13 and 16 years. We describe an unusual presentation of ERA in a young boy with pubic pain and fever, describing its quintessential magnetic resonance imaging (MRI) findings.

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Sterile osteomyelitis: a cardinal sign of autoinflammation.

Reumatologia

December 2024

Department of Internal Medicine, Trofa Saúde Hospital Privado em Gaia, Vila Nova de Gaia, Portugal.

Autoinflammatory bone disorders (ABDs) are characterized by sterile bone inflammation stemming from dysregulated innate immune responses. This review focuses on the occurrence of sterile osteomyelitis in ABDs and related diseases, notably chronic nonbacterial osteomyelitis (CNO) and its sporadic and monogenic forms, such as deficiency of the interleukin-1 (IL-1) receptor antagonist, Majeed syndrome, CNO related to mutation, and pyogenic arthritis, pyoderma gangrenosum, and acne (PAPA syndrome). Additionally, other autoinflammatory disorders (AIDs) are discussed, including classical periodic fever syndromes (e.

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High prevalence of facioscapulohumeral muscular dystrophy (FSHD) and inflammatory myopathies association: Is there an interplay?

J Neurol Sci

January 2025

Sorbonne Université, Assistance Publique - Hôpitaux de Paris, Inserm U974, Department of Internal Medicine and Clinical Immunology, Pitié-Salpêtrière University Hospital, Paris, France. Electronic address:

Introduction: Certain types of muscular dystrophy (MD), notably facioscapulohumeral muscular dystrophy (FSHD), exhibit muscle fiber necrosis with regeneration and a nonspecific inflammatory process. Although rare, the coexistence of MDs and autoimmune myositis has been observed. We hypothesized that, in some circumstances, FSHD may predispose individuals to myositis through muscle damage-induced autoantigen overexpression, contributing to an autoimmune response.

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Aims: While cementless fixation offers potential advantages over cemented fixation, such as a shorter operating time, concerns linger over its higher cost and increased risk of periprosthetic fractures. If the risk of fracture can be forecasted, it would aid the shared decision-making process related to cementless stems. Our study aimed to develop and validate predictive models of periprosthetic femoral fracture (PPFF) necessitating revision and reoperation after elective total hip arthroplasty (THA).

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The aim of this article is to determine the safety and efficacy of core decompression (CD) combined with injection of autologous bone marrow concentrate (BMC), demineralized bone matrix (DBM), and platelet-rich fibrin (PRF) for treating femoral head osteonecrosis. Seventy-seven patients (53 males and 24 females) for a total of 87 hips were treated for hip osteonecrosis with CD combined with injection of autologous BMC, DBM, and PRF at Rizzoli Orthopedic Institute from September 2008 to December 2019. Patients were assessed at baseline, at 45 days, and at 3, 6, 12, 24, and 36 months postoperatively.

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