Metastatic Papillary Thyroid Carcinoma Definition Lymph node metastases of papillary thyroid carcinoma. Pathogenesis Thyroid carcinoma is a relatively uncommon tumor that only rarely causes death. In the United States, the…
Metastatic Renal Cell Carcinoma Definition Lymph node metastases of renal cell carcinoma (RCC). Pathogenesis Kidney cancers (including the renal pelvis) account for approximately 3% of all adult malignancies. In the…
Metastatic Breast Carcinoma Definition Mammary or breast carcinoma metastatic to lymph nodes. Epidemiology Breast cancer, third only to prostate and lung cancer in frequency in the United States, is the…
Metastatic Nasopharyngeal Carcinoma Definition Carcinoma of the nasopharynx metastatic to lymph nodes. Synonym Lymphoepithelioma. Epidemiology Nasopharyngeal carcinoma (NPC) is endemic in southern China (including Hong Kong), Malaysia, northern Africa, and…
Metastatic Melanoma Definition Lymph node metastases of melanoma. Epidemiology The incidence of melanoma is increasing rapidly among Caucasians in America, Europe, and Australia. In the US, melanoma is increasing at…
Tumor Metastases in Lymph Nodes Partmark Metastatic Tumors in Lymph Nodes The involvement of lymph nodes by metastatic tumors signifies the start of a new phase in the progreWss of…
Lymphadenitis of Whipple Disease Definition Specific form of vascular neoplasm that occurs sporadically in the general population and frequently in persons with acquired immune deficiency. Epidemiology Kaposi sarcoma (KS) occurs…
Introduction The involvement of lymph nodes by metastatic tumors signifies the start of a new phase in the progress of a cancer. It indicates that through a succession of molecular…
Hemangiomas/Hemangioendotheliomas Definition Primary benign vascular tumors of lymph nodes. Pathogenesis Vascular neoplasms of lymph nodes are uncommon yet morphologically diverse, including multiple entities with a varied and sometimes confusing nomenclature…
Introduction A broad spectrum of vascular proliferations may involve lymph nodes, ranging from the benign vascular hyperplasias of some lymphadenopathies to the malignant vascular neoplasias of Kaposi sarcoma and angiosarcoma….
