complex cyst


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complex cyst

A cyst that consists of solid material and fluid-filled cavities; it may have walls of tissue inside it or internal echoes. When a complex cyst is identified on ultrasound, surgical removal is generally indicated to exclude malignancy.
See also: cyst
References in periodicals archive ?
These minimally complex cysts are also generally considered benign, but there are reports in the literature of category II lesions being malignant (Table 2).
The characteristics of women with simple and complex cysts, including anthropometric parameters and hormones levels, are presented in Table 1.
The Bosniak system consists of four categories based on triphasic CT findings, ranging from simple to complex cysts (Table 1).
They can also identify complex cysts and solid masses, which require further evaluation.
Also, 4 in 5 of ovarian cysts persisting into the second trimester will also be present in the post-natal period as complex cysts such as serous cystadenomas, mature cystic teratomas, endometriomas and mucinous cystadenomas (3).
One should be aware of complex cysts which may represent a breast malignancy, typically a papillary cystic carcinoma.
However, their role is still debatable as some studies claim less morbidity, (18) while others do not recommend a laparoscopic approach for complex cysts (19) and warn that cysts larger than 8 cm in diameter have higher risk of spillage of daughter cysts and development of secondary Echinococcosis (20) Moreover, it is shown that open approach has the advantage of allowing the surgeon to explore the peritoneal cavity (7).