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__ <br />i <br />i96iCfir« <br />5-3i*.7 r <br />4i^0 <br />iPl <br />pv'^ <br />f^: '•'.V ’Jir-V.^>-^ <br />. -^i; -r- <br />-*=• •'■'' <br />-v> <br />V; <br />i *; <br />mm^ <br />♦ ^» <br />isn UNJVERSmr OF MINNESOTA <br />THWNWT*? <br />MMwwn V«iw«ia«y OagnoMK LaBWMDMM <br />Co««Q« o< V««finar|r MMCM <br />i9A3C«w*««nu« <br />SL PM. MNMM M10S <br />(V>er: ltar«n Cuff <br />W«yzct«, NN <br />U.)rv^‘ <br />Long Ltitt Vettr1n«r/ Uintc <br />1854 M. Mtjriato 81»<J. 80* 10 <br />Long Lake, fn 55356 <br />(StatciMTir <br />Data: Oac«ab«r 22, 1988 <br />Ucctsilon Ho.: 088>33028 <br />Rectived: 12-20-88 <br />.5otclts: canint <br />Breed : S«a : M <br />Age: 6 yr, 8 yr ytIgHt: 90#, 75# <br />Nerd/riock Slit: <br />Clinical Signs: <br />Speclmon; <br />Gross: <br />Ntstopath: <br />c <br />/• <br />Si^ary: <br />Ont fiMtd skin aass and sms 11 fraj^tnts of a sacond aait wara <br />ratalvtd. <br />Th# largar aass was bro«*n1sh-«ft1ta, flm. s»ooW. spharlcal, and <br />acasurad 1 oa In dl awe tar. The fra^ts odro dark rad to brwn. <br />Thd first aass Is partially encapsulated and consists of sntfts and <br />islands of watura fat calls stparatad by wodarata to abundant aatura <br />fibrous connactlea tissua. Fat calls ara datactad at all warglns of <br />tha aass. <br />Tha sacond laass is an unancapsulatad naoplastic prolfaratlon of <br />various sliad spindlad or stallata calls oftan fo»»lng vascular <br />channels filled with rad blood calls. In xcaslonal araas, thasa <br />calls ara closaly spacad and for* larM shaats of straying calls. <br />\Tha various sited and spindled to stallata calls hava a aMarata <br />wiount of finely vesicular to fibrillar awphophlllc cytopla*. one <br />or two oval to fuslfona hyperciiraiatlc nuclei with unifowly <br />staining chroaatln and aultlpla proalnsnt nucleoli. HI tot1e figures <br />are rare. A few neutrophils are diffusely scattered throughout tha <br />wass. Thera are occasional swali foci of bright yalow fine gr4«u- <br />lar plgwentad watarlal and xcaslonel •acrophagas which contain <br />various sited golden brown intracytoplasaic granules. Thera ara two <br />to four wltotlc figures par i#f (t 4Q0). <br />Neoplastic fat cells eitend to tha aarglns of tha one wass. <br />1. Llpona <br />2. FIbrosareva <br />Rodney K . Frank, DVH