Pulmonary arteriovenous malformations (PAVM) are abnormal communications between pulmonary arteries and pulmonary veins, and most commonly congenital in nature. Although rare, it is an important consideration in cyanotic patients of unknown cause. We report 3 cases with diffuse PAVM in children with different clinical manifestations and initial diagnosis was made by transthoracic contrast echoc...

急性骨髄性白血病（Acute Myeloid Leukemia：AML）は発症から短期間で致命的となりえる重篤な疾患であり，疑い症例では可及的速やかな専門医による診断と治療が必要である．近年，分子標的治療薬の実用化により，高齢者を含めたAML治療の多様化とともに外来での通院治療中の患者に一般内科医が関わる機会の増加が予想される．専門医以外からは敬遠されがちな血液疾患であるが，AML患者の治療継続，予後改善のためにも専門医と一般内科医とのより密接な連携が必要となる．

background: in medicine, especially in pediatrics, it is necessary to perform regular epidemiologic studies in different geographic regions. this study was performed in nemazee hospital, shiraz, southern iran to determine the gastrointestinal (gi) disease spectrum, the mortality and also the rate of matching final diagnosis with the initial impression in pediatric gi ward. â  methods: of all th...

introduction: a hydatid cyst of the head and neck is a very rare condition, even in areas where echinococcus infestation is endemic.   case report: we report a rare case of primary hydatid cyst of the right maxillary sinus in a 40-year-old man. the initial diagnosis of the presence of a cystic mass was the result of physical examination and computed tomography (ct) scan. we resected the cystic ...