overy tumour kaise hota hai
Автор: Raazteach01
Загружено: 2024-03-01
Просмотров: 11
Determining whether an ovarian tumor is malignant or benign before operation, especially when the tumor has both solid and cystic components, is often difficult. Excessive surgical procedures such as bilateral oophorectomy with or without hysterectomy have sometimes been performed in patients with benign ovarian tumor because the preoperative diagnosis was inaccurate.
The criteria most useful for the prediction of ovarian malignancy are lesion size 4 cm thickness 3 mm of the walls and septa; and internal structure, including papillary projections, nodularity, various degrees of solid components, necrosis, and hemorrhage [1]. However, imaging findings in benign and malignant ovarian lesions overlap. Although contrast enhancement usually increases the accuracy in differentiation of benign and malignant lesions, its usefulness may be limited for some types of tumors.
The most useful tumor marker in the detection of ovarian cancer is cancer antigen (CA) 125. The greatest problem of CA 125 determination is its lack of specificity. An elevated level of CA 125 not only is found in malignancy but can also be associated with fibroids, pregnancy, menstruation, endometriosis, and liver disease.
The purpose of this pictorial essay is to show and discuss the various benign ovarian tumors that can show both solid and cystic components that mimic ma
#overy
#noncancerous
#ultrasound
#usg
#tumor
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