Mediastinal lymph nodes

Click diagram to enlarge

-Para cardiac lymph nodes:

Surrounding the heart and it is pathognomonic of non Hodgkin' lymphoma.

-Diagnosis of lymphadenopathy is done when we find soft tissue masses in the anatomic sites of lymph nodes mentioned above.

-Pathology of lymphadenopathy:

-Lymphoid disorders as Castleman disease.

-Lymphoid neoplasm as lymphoma and leukemia.

-Metastatic spread.

-Infection as in TB, fungus and sarcoidosis.