Update in Thymoma for Surgical Pathologists

Thymoma is the most common mediastinal tumor in adulthood. By defi nition, it is a thymic epithelial neoplasm that displays at least some characteristics of normal thymus. Microscopically it comprises an admixture of thymic epithelial cells and immature T lymphocytes in various proportions and demonstrates marked intratumoral...

Author : Ruchira Ruangchira-urai, MD1, Jitsupa Treetipsatit, MD1
Keyword : histological classifi cation, mediastinum, reporting guideline, specimen handling, staging, thymic epithelial neoplasm, thymoma

Transformation in Malignant Lymphoma: Morphologic Approach

Morphologic approach is still very crucial to detect transformation in malignant lymphoma. With the knowledge of each malignant lymphoma type, especially the clinical course, a number of lymphoma can have histologic progression as evidence of transformation as follow: large cell transformation, blastic transformation, and histiocytic...

Author : Sanya Sukpanichnant
Keyword : blast transformation, histiocytic transformation, histologic transformation, large cell transformation, lymphoma transformation, richter transformation