Page 677 - Atlas of Small Animal CT and MRI

Figure 6.4.4 Hemangiosarcoma (Canine) CT

11y FS Labrador Retriever with a 2‐month
history of left pelvic limb lameness. A lateral
radiograph of the left femur shows aggressive
mixed periosteal production and cortical
osteolysis involving the entire femoral diaph-
ysis (a). Similar findings are also present on
an unenhanced CT image (b). An extensive
extracortical, heterogeneously enhancing
lobular soft‐tissue mass is appreciated fol-
lowing intravenous contrast administration
(c: arrowheads), which is documented on
the pathology specimen (d: arrowheads). The
mass was confirmed to be hemangiosarcoma
and was considered to be of primary bone
origin since no other masses were found on
the staging evaluation of the patient.

(a) DX, LAT (b) CT, SP

667
(c) CT+C, SP (d) GP, SP