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Giant aneurysm of thoracic and proximal abdominal aorta in a patient with common variable immunodeficiency.

Common variable immunodeficiency (CVID) is the most common symptomatic primary immunodeficiency disease, predisposing the patients to various tissue involvement and organ damage. Here a 16-year-old boy is presented who was referred to our center with cough, dyspnea, cyanosis, and history of recurrent pneumonia. The diagnosis of CVID was made according to reduction all serum immunoglobulin levels, normal numbers of T, B and NK lymphocyte subpopulations, poor antibodies responses. Considering abnormality in heart examination and chest X-ray, echocardiography and computed tomography angiography were performed which showed large thoraco-abdominal aortic aneurysm in this patient. Although there are some reports of cardiovascular disease associated with primary antibody deficiencies, this is the first time that such large thoraco-abdominal aortic aneurysm is reported in CVID. This may be secondary to recurrent pulmonary infections or an unknown mutation process. Cardiovascular abnormalities are an entity that should be kept in mind in patients with primary immunodeficiency diseases.