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| TODAY’S VETERINARY RESEARCH PREVIOUS STUDIES $&64 PG OPSNBM DBOJOF MJWFST IBT CFFO QSFWJ- PVTMZ EFTDSJCFE BOE JUT VTF GPS EFUFDUJPO BOE DIBSBDUFSJ[BUJPO PG MJWFS OPEVMFT JO EPHT JT CFJOH SFQPSUFE XJUI JODSFBTJOH GSFRVFODZ )PXFWFS POMZ TUVEJFT EFTDSJCF UIF VTF PG BO BHFOU DPOUBJOJOH QFSGMVPSPQSPQBOF BOE POMZ TUVEZ JODMVEFE QSJNBSZ MJWFS UVNPST 5ISFF TUVEJFT EFTDSJCF $&64 BOE UIF VTF PG EJGGFSFOU UZQFT PG DPOUSBTU NFEJVN GPS DIBSBDUFSJ[BUJPO PG MJWFS MFTJPOT JO EPHT 7BTDVMBS NPSQIPMPHZ EVS- JOH UIF BSUFSJBM BOE QPSUBM QIBTFT IBE OPU CFFO EFTDSJCFE GPS IFQBUJD OPEVMFT JO EPHT XIFO VTJOH $&64 Two-Dimensional Gray-Scale Ultrasonography The appearance of livers with benign nodules on 2-dimensional gray-scale ultrasound varied widely: UÊ iÛiÀÊÃiâiÊÀ>n}i`ÊvÀomÊnoÀm>lÊÌoÊÃiÛiÀilÞÊinl>À}i`Ê with rounded margins. UÊ Þ«oiVhoiV]Ê hÞ«iÀiVhoiV]Ê oÀÊ miÝi`Ê iVho}iniVÊ nodules were present. UÊ/>À}iÌÊliÃionÃÊÜiÀiÊvoÕn`ÊinÊÓÊ`o}ÃÊ>n`ÊmÕlÌi«liÊ cystic lesions in 1. UÊ/hÀiiÊ `o}ÃÊ h>`Ê >Ê Vom«liÝÊm>ÃÃÊ À>n}in}Ê inÊ ÃiâiÊ vÀomÊxÊ ÌoÊ£äÊVmÊinÊ>``iÌionÊ ÌoÊmÕlÌi«liÊno`ÕliÃ°Ê "vÊÌhiÃi]ÊÓÊh>`Ê>Ê`i>}noÃiÃÊovÊhi«>ÌoVillÕl>ÀÊV>ÀVi- noma and 1 of hemangiosarcoma. Contrast-Enhanced Ultrasonography vÌiÀÊ>`miniÃÌÀ>ÌionÊovÊVonÌÀ>ÃÌ\Ê UÊ /hiÀÌiinÊovÊÌhiÊ£xÊ`o}ÃÊÜiÌhÊ benign lesions had homo- 5BCMF $&64 1BUUFSO PG /PEVMFT JO %PHT XJUI #FOJHO -FTJPOT 1PSUBM 1IBTF No vessels; Lesion Type -ZNQIPJE JOGJMUSBUJPO Necrosis /PEVMBS IZQFSQMBTJB /PSNBM 4UFSPJE IFQBUPQBUIZ 7BDVPMBS IFQBUPQBUIZ homogenous enhancement Intralesional vessels; hypoperfusion 9 %JBHOPTFE BT NBMJHOBOU CZ $&64 $&64 DPOUSBTU FOIBODFE VMUSBTPOPHSBQIZ }inioÕÃÊinh>nViminÌÊovÊ ÌhiÊliÛiÀ]ÊÜiÌhÊÌhiÊno`- ules being isoechoic to liver parenchyma during >ÀÌiÀi>lÊ>n`Ê«oÀÌ>lÊÛinoÕÃÊ«h>ÃiÃ]ÊÜhiVhÊim«>iÀi`Ê the visualization of the nodules (Table 2). UÊ nÊ £Ê `o}Ê ÜiÌhÊmÕlÌi«liÊ VÞÃÌiVÊ liÃionÃ]Ê £Ê no`ÕliÊ remained hypoechoic during arterial and portal phases with multiple small intralesional vessels in the portal phase. This nodule was diagnosed as m>li}n>nÌÊLÞÊ 1-]ÊLÕÌÊÜ>ÃÊ`i>}noÃi`Ê>ÃÊniVÀoÃiÃÊ based on cytology. There was no enhancement of the cysts after contrast administration. UÊ"niÊ `o}Ê ÜiÌhÊ >Ê VÞÌolo}iVÊ `i>}noÃiÃÊ ovÊ Û>VÕ- olar hepatopathy had nodules that remained hypoechoic compared to the surrounding liver parenchyma during the arterial and portal phases and had multiple small intralesional vessels in the portal phase. These nodules were diagnosed as malignant based on CEUS. EQUIPMENT & USE r 6MUSBTPVOE NBDIJOFT FRVJQQFE XJUI DPOUSBTU IBSNPOJD JNBHJOH TPGUXBSF BOE USBOTEVDFST JV QIJMJQT DPN .Z-BC XFSF VTFE r (SBZ TDBMF VMUSBTPVOE XBT QFSGPSNFE VTJOH B DPOWFY .)[ USBOTEVDFS r $&64 XBT QFSGPSNFE VTJOH B DPOWFY .)[ PS B MJOFBS .)[ DPOUSBTU IBSNPOJD USBOTEVDFS CBTFE PO TJ[F PG EPH 5IF NFDIBOJDBM JOEFY XBT NBJOUBJOFE BU EFTUSVDUJPO UP NJOJNJ[F NJDSPCVCCMF r $POUSBTU NFEJVN XBT BENJOJTUFSFE NBOVBMMZ WJB BO *7 DBUIFUFS QMBDFE JO UIF DFQIBMJD WFJO 58 Today’s Veterinary Practice July/August 2011 97( FTBPUF DPN