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The Turkish Journal of Pediatrics
The Turkish Journal of Pediatrics 2020 , Vol 62 , Num 3
A new location for pediatric immunoglobulin G4 related disease: the biceps muscle
Semanur Özdel 1 ,Mesiha Ekim 1 ,Gülşah Kaygusuz 2 ,Elif Çelikel 1 ,Göksel Vatansever 3 ,Nurdan Taçyıldız 4
1 Divisions of Pediatric Rheumatology, Ankara University Faculty of Medicine, Ankara
2 Department of Pediatrics, Department of Pathology, Ankara University Faculty of Medicine, Ankara
3 Department of Pediatrics, Kırklareli Hospital, Kırklareli, Turkey
4 Divisions of Pediatric Hematology and Oncology, Ankara University Faculty of Medicine, Ankara
DOI : 10.24953/turkjped.2020.03.020 Background. Immunoglobulin G4 (IgG4)-related disease (IgG4-RD) is a systemic disorder of unknown etiology characterized by elevated serum IgG4 and tissue infiltration of IgG4-positive plasma cells. The disease was described in the pancreas, aorta, thyroid, salivary glands, periorbital tissues, kidneys, pericardium and lymph nodes.

Case. Here in, we report a first pediatric case report of IgG4-related disease who presented with a mass in skeletal muscle i.e., biceps muscle.

Conclusion. To the best of our knowledge, the involvement in skeletal muscle has previously not been reported in children. Keywords : immunoglobulin G4, immunoglobulin G4-related disease, biceps muscle

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