منابع مشابه
A clinicopathologic study of precancerous skin lesions
Background: Precancerous lesions are disorders that are highlylikely to become malignant. Early diagnosis of precancerous skinlesions helps to prevent skin cancers. The aim of this study wasclinicopathological assessment of precancerous skin lesions inpatients referred to the dermatology department of Imam Rezahospital.Method: Two hundred and nine patients who were diagnosed withprecancerous le...
متن کاملNew WHO histologic classification predicts prognosis of thymic epithelial tumors: a clinicopathologic study of 200 thymoma cases from China.
BACKGROUND In 1999, a World Health Organization (WHO) committee published histologic criteria for distinct thymoma entities (labeled as Type A, AB, B1, B2, B3 thymomas) and for the heterogeneous group of thymic carcinomas, collectively called Type C thymomas. Whether WHO-defined histologic thymoma subtypes are of independent prognostic relevance has yet to be proved. METHODS Two hundred thymo...
متن کاملMetaplastic thymoma of the mediastinum. A clinicopathologic, immunohistochemical, and genetic analysis.
Metaplastic thymoma is a rare primary thymic epithelial tumor, and its biologic behavior is uncertain. We report 7 cases of metaplastic thymoma. The spindle components of the tumor seemed to be undergoing epithelial-mesenchymal transition, which is characterized by the loss of E-cadherin expression. Epstein-Barr virus seemed not to have an etiologic role in metaplastic thymoma. No gross genetic...
متن کاملThymoma : A pathological study of 50
Background: A combination of epithelial cells and lymphocytes results in a varied histomorphology of thymomas and consequent varied classification systems. Aim: To correlate the Marino and Muller-Hermelink (MMH) classification with the invasive behaviour of
متن کاملThymoma Associated with Hypergammaglobulinemia: A Case Report
Thymoma is a term that should be restricted to neoplasms of thymic epithelial cells, irrespective of the presence or the number of lymphocytes. The usual location of thymoma is the antrosuperior mediastinum; however, this tumor can also occur in other mediastinal compartments, in the neck, within the thyroid gland, in the pericardial cavity, the pulmonary hilum, within the lung parenchyma, o...
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ژورنال
عنوان ژورنال: The Journal of Thoracic and Cardiovascular Surgery
سال: 1961
ISSN: 0022-5223
DOI: 10.1016/s0022-5223(20)31934-6