Systemic lupus erythematosus associated with sarcoidosis: Case report |
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Institution: | University Clinical Centre of Republic of Srpska, Banja Luka, Republic of Srpska, Bosnia and Herzegovina |
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Abstract: | BackgroundThe association between systemic lupus erythematosus (SLE) and sarcoidosis has been considered as extremely rare. Most often, sarcoidosis coexists with Sjögren's syndrome. Researching the literature, it seems that the association of SLE and sarcoidosis is much more frequent than previously thought.Aim of the workWe present a case of a Serbian woman who was diagnosed with coexisting sarcoidosis and long-standing SLE.Case presentationThe 40 years old SLE patient was in long-standing remission on oral prednisolone (10 mg/day) and hydroxychloroquine (HCQ) (400 mg/day). She presented with fatigue, chest pain, and dry cough. Chest computerized tomography (CT) showed hilar and mediastinal lymphadenopathy. The biopsy had been performed and results showed sarcoidosis. Diagnosis has been confirmed: eosinophilic granulomas without central necrosis morphologically corresponding to chronic granulomatous lymphadenitis like sarcoidosis. Thereafter, the patient was hospitalized. No new symptoms appeared, and the physical examination was unremarkable. Serum calcium was elevated (2.75 mmol/l), anti-nuclear antibody (ANA), anti-double stranded deoxyribonucleic acid (anti-dsDNA) and anti-Ro antibodies were positive. Angiotensin converting enzyme (ACE) level was high normal (51 IU/L) and QuantiFERON-TB Gold test negative. The dose of prednisolone was increased to 40 mg/day with HCQ and the patient was discharged from hospital. On follow-up the patient improved with reduction of the steroid dose.ConclusionThe association of SLE and sarcoidosis should be considered even though it is reported to be extremely rare. May be the real incidence of these combinations is underestimated. More research about genetics and pathogenesis is needed to completely understand these conditions. |
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Keywords: | Systemic lupus erythematosus Sarcoidosis Autoimmunity |
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