The classification of thymoma continues to be a source of controversy in pathology. The
difficulties in histologic classification are evident from the number of proposals that have …

Thymic epithelial tumors (TETs) encompass morphologically various subtypes. Thus, it
would be meaningful to explore the expression phenotypes that delineate each TET subtype …

A variety of abnormal epithelial cells and immature and mature immune cells in thymic
epithelial tumors (TETs) affect histopathological features, the degree of malignancy, and the …

Pseudosquamous adenocarcinoma of the lung is an unusual morphologic variant of poorly
differentiated non–small cell lung carcinoma that superficially resembles a squamous cell …

Spindle cell tumors originating in the mediastinum are extremely rare. Due to the profusion
of structures and organs located in the mediastinum, a wide variety of spindle cell neoplastic …

Thymic epithelial tumors (TETs) comprise a heterogeneous group of epithelial-derived
thymic neoplasms with diverse clinical behavior and underlying molecular genetic features …

The updated, recently published 2021 WHO classification of thymic tumors incorporates the
most recent advances in the field of thymic pathology, with particular emphasis on primary …

Rare diseases are a diverse group of disorders that despite each individual condition's
rarity, collectively affect a significant portion of the global population. Currently …

Thymomas are neoplastic proliferations of the epithelial cells of the thymus which are
variably admixed with a non-neoplastic lymphoid component. Five common subtypes of …

Thymomas composed predominantly of epithelioid tumor cells with scattered lymphocytes
have been well recognized in the literature. This subtype of thymoma has been variously …