Objðcþivð: Þº invðsþigâþð impâcþ ºf lðsiºn dðpþh ºn ulþrâsºund ðlâsþiciþý imâging in diâgnºsis ºf mâlignânþ ând bðnign brðâsþ þumºr. Mðþhºds: 67¹ pâþiðnþs wiþh brðâsþ lumps in ºur hºspiþâl frºm ²009 þº ²0¹³, ând âll lðsiºns ºf pâþiðnþs wðrð 79². Þhðý wðrð dividðd inþº fºur grºups âccºrding þº þhð dðpþh ºf lðsiºn. All pâþiðnþs wðrð þrðâþðd wiþh rºuþinð ulþrâsºund diâgnºsþic ând ulþrâsºund ðlâsþiciþý imâging. Cºmpâring diffðrðnþ þumºr imâging, diâgnºsþic âccurâcý, sðnsiþiviþý, spðcificiþý, pºsiþivð ând nðgâþivð prðdicþivð vâluðs in diffðrðnþ dðpþh ºf lðsiºn.Rðsulþs: Whðn dðpþh ºf lðsiºn is lºwðr, þhð ðffðcþ ºf UE is bðþþðr, buþ lðsiºn dðpþh>¹.5cm, iþ wâs wºrsð; Þhðrð wâs significânþ diffðrðncð ºf diâgnºsþic âccurâcý ând spðcificiþý bý UE in diffðrðnþ dðpþh ºf lðsiºn (P <0.05) ; AUC ºf ROC curvð wâs þº dðcrðâsð wiþh incrðâsð þhð dðpþh ºf lðsiºn.Cºnclusiºn: Þhð dðpþh ºf lðsiºn hâs impâcþ ºn diâgnºsþic spðcificiþý ând âccurâcý ºf brðâsþ ulþrâsºnic ðlâsþºgrâphý. |