MR imaging of focal splenic extramedullary hematopoiesis in polycythemia vera: case report.
We report a case with focal mass-like lesion of the spleen in polycythemia vera. Magnetic resonance imaging of the lesion showed homogeneous hyperintensity on T2-weighted images, with progressive enhancement on dynamic magnetic resonance images after bolus injection of gadolinium. The magnetic resonance features of focal splenic extramedullary hematopoiesis have not been previously reported.
Department of Radiology, Kanazawa University, School of Medicine, 13-1, Takara-machi, Kanazawa City, 920-8641, Japan.
T
T
Gabata
M
M
Kadoya
A
A
Mori
S
S
Kobayashi
J
J
Sanada
O
O
Matsui
D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006411:Hematopoiesis, Extramedullary; D006801:Humans; D008279:Magnetic Resonance Imaging; D011087:Polycythemia Vera / Q000175:diagnosis*; D013154:Spleen / Q000473:pathology*