Abstract Lymphoproliferative disorders comprise 50% to 60% of all mediastinal
malignancies in both children and adults. Primary mediastinal involvement is rare (∼ 5%) …

Context.—A complete diagnosis of acute leukemia requires knowledge of clinical
information combined with morphologic evaluation, immunophenotyping and karyotype …

Cytopathologists are regularly confronted with lymphocyte-rich effusions, and the definite
decision of whether the lymphocytosis is of a purely reactive nature or a presentation of an …

Background Fine‐needle aspiration (FNA), a minimally invasive and cost‐effective
procedure, often is used in the initial diagnosis of thymic lesions. However, the diagnosis …

The range of pathologies that lymph node (LN) fine needle cytology (FNC) may encounter is
extremely wide and ancillary techniques, in addition to traditional smears, are generally …

Fine needle aspiration is a minimally invasive, low-morbidity, and cost-efficient technique for
the sampling of mediastinal lesions. Additionally, ancillary testing on FNA samples can be …

Primary mediastinal non-Hodgkin lymphomas (PM-NHLs) represent∼ 5% of all non-
Hodgkin lymphomas (NHLs) and comprise lymphomas of B-cell and T-cell origin. PM-NHLs …

Simple Summary Thymic epithelial neoplasms, including thymoma, thymic carcinoma, and
thymic neuroendocrine neoplasms, constitute the majority of anterior mediastinal masses …

Lymphoma is the most common malignancy involving the mediastinum but can be
challenging to diagnose on small biopsy specimens. This review provides a pattern-based …

E nlarged needle lymph nodes are a prime target for fineaspiration (FNA). In an adult, lymph
nodes greater than 1 to 2 cm are an immediate source of concern, and, unless the cause is …