Autoimmune myelofibrosis revealing a systemic lupus erythematosus

Autoimmune myelofibrosis revealing a systemic lupus erythematosus

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Background: Systemic lupus erythematosus (SLE) is a multisystem autoimmune disease, characterised by multi-organ affections.Haematological involvement is a common manifestation of SLE, consisting of autoimmune peripheral cytopenia.Autoimmune myelofibrosis (AIMF) is a rare cause of cytopenia in SLE; it could precede or be concurrent with the diagnosis of SLE.There Cleats are few studies that describe this association.

Case description: We report a case of AIMF revealing the diagnosis of SLE in a 34-year-old female, presented with episodes of gingival bleeding associated with peripheral inflammatory polyarthralgia, photosensitivity and deterioration of general condition.Clinical examination revealed a soft pitting oedema in the lower limbs.Laboratory investigations showed a pancytopenia, inflammatory biological syndrome, with positive 24-hour proteinuria and anti-native DNA Stroller Book antibodies.A bone marrow biopsy showed diffuse myelofibrosis associated with maturation disorders and no tumour infiltrate.

Renal biopsy revealed proliferative glomerulonephritis class III with immune deposits.Conclusion: The association of AIMF with SLE has been rarely reported, and it could be another cause for cytopenia in SLE.