Fig. 2From: Ultrasound classification-guided minimally invasive rotary cutting in granulomatous lobular mastitisAnalysis of the results of ultrasound classification of lesions. a A mixed type of diffuse abscess. Large patchy hypoechoic or mixed echo areas scattered; glands and multiple abscess cavities under the skin form tunnels; b a sheet hypoechoic type. Sheet hypoechoic area showed unclear borders, disordered structure, and no abscess cavity; c a localized abscess type. There were multiple abscesses with clear borders; d a localized hypoechoic mass type. The echo was uneven and irregular, but with clear bordersBack to article page