Acute Myopericarditis as the First Manifestation of Familial Mediterranean Fever: A Case Report.

Familial Mediterranean fever (FMF) is an autoinflammatory disorder, characterized by recurrent episodes of fever and polyserositis, and usually presents during the first two decades of life. Acute pericarditis is a rare manifestation of FMF and typically presents with other symptoms of the inflammatory disorder. A 27-year-old Arabian male presented to our hospital with pleuritic chest pain and shortness of breath while lying flat. His electrocardiogram showed changes suggestive of pericarditis, and his inflammatory markers and troponin were raised. His echocardiogram revealed a moderate-sized pericardial effusion with septa and a normal left ventricular function. He had a strong family history of FMF and consanguinity of the parents. He was treated for acute myopericarditis with colchicine and ibuprofen, and his symptoms improved gradually along with his inflammatory markers and troponin. Six weeks after discharge, he had a cardiac MRI, which revealed a thickened pericardium with profound enhancement (features suggestive of pericarditis) and no signs of myocarditis. He was asymptomatic, and his markers and troponin were within the normal range. His colchicine medication was continued indefinitely, and he was referred to a tertiary care hospital with a specialized periodic fever clinic for follow-up and genotype testing.