Adnexal cysts are usually benign lesions that are not necessarily cancerous, but the possibility of malignancy exists. Adnexal cysts, which are fluid-filled sac-like structures that form in a woman’s fallopian tubes and ovaries, are usually benign tumors, so the condition is not definitely cancerous. However, if the cysts show rapid growth, a tendency to malignancy needs to be considered. Adnexal cysts are usually asymptomatic and are only detected during a physical examination, and some patients may experience pain and swelling in the lower abdomen. If you suspect that you have an adnexal cyst, it is recommended to go to the hospital for examination. If the size of the cyst is small, it is recommended to test and check it regularly in case the size of the cyst changes. If the size of the cyst is large, it needs to be surgically removed and then pathologically examined for its nature. Adnexal cysts do not necessarily belong to cancer, if in discomfort, it is recommended that the patient go to a regular hospital and cooperate with the doctor for standardized treatment.