Primary seminal vesicle tumors are very rare; less than 100 cases have been reported in the English literature to date. Patients usually present with lower urinary tract symptoms or hematospermia.

MRI is used to exclude direct extracapsular tumor extension or invasion into the seminal vesicles; if present, these would usually exclude patients from radical treatment (Figures 4–7).

Such data suggest that as Gleason scores increase, so does the likelihood of adverse pathologic features, such as ECE, seminal vesicle invasion and metastasis—which can result in treatment failure.

Erythroblasts possess unique characteristics as they undergo differentiation from hematopoietic stem cells. During terminal erythropoiesis, these cells incorporate large amounts of iron in order to ...