วารสารโลหติวทิยาและเวชศาสตร บรกิารโลหติ ป ที ่12 ฉบบัที ่4 ตลุาคม-ธนัวาคม 2545 must be considered in the differential diagnosis of an anterior mediastinal mass.1 The majority of mediastinal masses in this age group are malignant, mostly Hodgkins and NonHodgkins lymphoma.2 Less than 5% of mediastinal masses are of thymic origin. We report Case Report Massive Thymic Hyperplasia Mimicking Lymphoma:...

Benign thymic hyperplasia (BTH) is a known feature of hyperthyroidism, but is infrequently appreciated by clinicians. In most cases thymic enlargement is minimal; however, it may occasionally present as an appreciable anterior mediastinal mass. While surgical resection is a common approach to such a mass, recognition of the benign nature of BTH and its regression following treatment of hyperthy...

pediatric mediastinal tumors and include thymic cysts, hyperplasia, carcinoma, thymoma and thymolipoma (1). Thymomas are rare tumors of the thymic epithelium with a broad spectrum of morphological and clinical features; they comprise about 1% of mediastinal tumors. Familial occurrence of these tumors has been rarely reported (2-4). We report an unusual familial occurrence of three cases of thym...

BACKGROUND Graves' disease (GD) is commonly associated with other autoimmune conditions, and there is also a rare but well documented association between GD and thymic hyperplasia (TH). It is hard to say the real frequency of this latter association because most cases remain asymptomatic and are consequently not thoroughly investigated. MATERIALS AND METHODS We reviewed the literature on GD-r...