希奎感件大器 Principal characteristics of benign and malignant tumors Feature Growth slow relatively rapid Growth pattern often exophytic expansive infiltrating or often endophytic Mitotic activity low high Nuclear morphology often normal pleomorphic Differentiation well variable,often poor Invasion no yes Metastasis never frequent Border often circumscribed or often poorly defined or encapsulated irregular Necrosis rare common Ulceration rare common on skin or mucosal surfaces Recurrence rare frequent Clinical effects little,localized Serious,systemic, mechanical or hormonal mechanical,destructive Outcome rarely fatal usually fatal
Principal characteristics of benign and malignant tumors Feature Benign Malignant Growth slow relatively rapid Growth pattern often exophytic expansive infiltrating or often endophytic Mitotic activity low high Nuclear morphology often normal pleomorphic Differentiation well variable, often poor Invasion no yes Metastasis never frequent Border often circumscribed or often poorly defined or encapsulated irregular Necrosis rare common Ulceration rare common on skin or mucosal surfaces Recurrence rare frequent Clinical effects little, localized Serious, systemic, mechanical or hormonal mechanical ,destructive Outcome rarely fatal usually fatal
重蹇等科大骨 ngging Medical University Borderline tumors -intermediate or borderline behavior borderline serous tumor of the ovary
◼ Borderline tumors -intermediate or borderline behavior borderline serous tumor of the ovary
树 重麦等科大昂 nongging Medical University Morphology 1.Gross appearance (1)Number and size Number single & multiple Size: vary (0.8mm;>30cm 82kg
Morphology 1.Gross appearance (1) Number and size Number single & multiple Size: vary (0.8mm ; >30cm) 82kg
因重走华科大子 hongqing Med山eal Uaiver
重蹇等科大学 nggin里Med由ical Universi (2)Color color is vary:grey,white,red,yellow,black, multicolor
(2) Color color is vary: grey, white, red, yellow, black, multicolor