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Micrograph of a mucinous ovarian tumor. H&E stain. Mucinous tumors are a type of ovarian tumor. [1] [2] They are typically large. [3] They are part of the surface epithelial-stromal tumor group of ovarian neoplasms, and account for approximately 36% of all ovarian tumors. [4] Approximately 75% are benign, 10% are borderline and 15% are ...
An adnexal mass is a lump in the tissue of the adnexa of the uterus (structures which are closely related structurally and functionally to the uterus, such as the ovaries, fallopian tubes, or any of the surrounding connective tissue).
Histologic evaluation of MCNs shows mucin-producing columnar epithelial lining, which is surrounded by ovarian-like stroma. [1] Calcification may be present. Factors that predict malignancy include loculated appearance, mural nodules, papillary projections, p53 immunoreactivity, and loss of ovarian-like stroma. [2]
Ovarian tumors, or ovarian neoplasms, are tumors in the ovary. [1] Not all are ovarian cancer. [1] They consist of mainly solid tissue, while ovarian cysts contain fluid. [2]In 2020, the World Health Organization (WHO) divided ovarian tumours as 90% epithelial, 3% germ cell, and 2% sex cord-stromal types.
The evaluation of a skin nodule includes a description of its appearance, its location, how it feels to touch and any associated symptoms which may give clues to an underlying medical condition. [4] Often discovered unintentionally on a chest x-ray, a single nodule in the lung requires assessment to exclude cancer. [9]
While cancer is by definition malignant, a tumor can be benign, precancerous, or malignant. [citation needed] The terms mass and nodule are often used synonymously with tumor. Generally speaking, however, the term tumor is used generically, without reference to the physical size of the lesion. [3]
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Unless they are large, they may be asymptomatic. Intramural fibroids begin as small nodules in the muscular wall of the uterus. With time, intramural fibroids may expand inwards, causing distortion and elongation of the uterine cavity. Subserosal fibroids are located on the surface of the uterus. They can also grow outward from the surface and ...