Extramedullary hematopoiesis—the presence of hematopoietic activity in sites outside of the bone marrow—can occur in malignant and non-malignant hematologic diseases, and they may be a ...

Background An asymptomatic 18-year-old female presented in December 2002 with a left pulmonary mass, and an enlarged mediastinum and left hilum, detected on a routine chest X-ray. She had never smoked ...

Of 18 children with a tissue diagnosis of sarcoidosis 11 were symptomatic; seven were asymptomatic, but on routine x-ray study exhibited hilar adenopathy often combined with pulmonary mottling. The ...

Axillary lymphadenopathy occurs when your underarm (axilla) lymph nodes grow larger in size. It typically resolves on its own, but may sometimes occur with more serious causes. Finding a lump or ...

Lymphadenopathy refers to the enlargement of one or more lymph nodes, the bean-shaped glands found in the neck, armpits, chest, groin, and abdomen. Lymphadenopathy may occur in just one part of the ...

Mediastinal lymphadenopathy is the swelling of the lymph nodes in the chest cavity. It is a symptom of various conditions and can be benign or malignant. Mediastinal lymphadenopathy is a condition ...