Primary tumors that may metastasize to the spleen originate from all of the following structures except the:

Question

Quizplus · Accepted Answer

The spleen is an uncommon site for metastasis, and when metastasis does occur, it is usually from cancers of the breast, lung, melanoma, ovary, and stomach. Brain tumors, however, rarely metastasize to the spleen due to the blood-brain barrier and other factors limiting the spread of cancer cells from the brain to other organs.

Primary Tumors That May Metastasize to the Spleen Originate from All