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Myocardial infarction and systemic arterial aneurysms are rarely seen during the course of the Kawasaki disease (KD). Herein, we report the case of a 4-month-old Turkish infant who was diagnosed with KD on the 17th day of the illness. On admission, echocardiogram showed multiple coronary arterial aneurysms (CAAs) and massive pericardial effusion. He was given intravenous immunoglobulin, aspirin and anticoagulant drugs. However, the aneurysms progressed to "super giant" CAAs, multiple huge coronary arterial thromboses developed recurrently and caused myocardial ischemia. Furthermore, the conventional angiography revealed multiple giant aneurysms and stenoses in the subclavian, celiac, and iliac arteries, besides CAAs.

Autoimmune polyendocrinopathy, candidiasis and ectodermal dystrophy (APECED) is a rare but devastating primary immunodeficiency disease caused by loss-of-function mutations in autoimmune regulator (AIRE) gene on chromosome 21q22.3. The clinical spectrum of the disease is characterized by a wide heterogeneity because of autoimmune reactions toward different endocrine and non-endocrine organs. Here, we report a 17-year-old Turkish girl diagnosed with APECED at 9 years in whom a novel homozygote mutation in AIRE gene p.R15H (c.44G>A) was found. In the clinical course of the patient, chronic liver disease due to autoimmune hepatitis has evolved resulting in hepatopulmonary syndrome (HPS) which has not been reported before in patients with APECED.

Trisomy 18 is the second most common autosomal trisomy in liveborn infants. Various congenital malformations, mental retardation, and high rate of infant mortality in the first year of life are characteristic features of trisomy 18. Congenital heart disease occurs in over 90% of these patients and the most common cardiac lesions are ventricular septal defect, patent ductus arteriosus and atrial septal defect. This is a case report of a baby born with trisomy 18 (postnatal diagnosis) in whom there was an unusual echocardiographic appearance of a mobile structure ("flap-like") around the area of a VSD-which was imaged prenatally.