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Progression of EIN to carcinoma, effectively a conversion from a benign neoplasm to a malignant neoplasm, is accomplished through acquisition of additional mutations and accompanied by a change in behavior characterized by the ability to invade local tissues and metastasize to regional and distant sites. Table I: Precancer Characteristics of EIN
APAs are characterized by glands with abnormal shapes that: (1) often have squamous metaplasia, and (2) are surrounded by benign smooth muscle. [1] Nuclear atypia, if present, is mild. The microscopic differential diagnosis includes endometrial carcinoma and endocervical adenocarcinoma.
Benign gynecological conditions include fecal incontinence, urinary incontinence, uterine and/or vaginal wall prolapse, interstitial cystitis, irritable bowel syndrome, diverticulitis, benign ovarian masses, uterine fibroids, endometriosis, ectopic pregnancy, pelvic inflammatory disease, adenomyosis, endometrial polyps, and endometrial ...
Leiomyoma enucleated from a uterus. External surface on left; cut surface on right. Micrograph of a small, well-circumscribed colonic leiomyoma arising from the muscularis mucosae and showing fascicles of spindle cells with eosinophilic cytoplasm and elongated, cigar-shaped nuclei Immunohistochemistry for β-catenin in uterine leiomyoma, which is negative as there is only staining of cytoplasm ...
People can have benign or malignant tumors, but there are also tumors that show characteristics of cancer but aren’t yet cancerous, says Dr. Brian Slomovitz, director of gynecologic oncology at ...
However, a benign tumor is not benign in the usual sense; the name merely specifies that it is not "malignant", i.e. cancerous. While benign tumors usually do not pose a serious health risk, they can be harmful or fatal. [2] Many types of benign tumors have the potential to become cancerous through a process known as tumor progression. For this ...
Uterine fibroids, also known as uterine leiomyomas, fibromyoma or fibroids, are benign smooth muscle tumors of the uterus, part of the female reproductive system. [1] Most people [note 1] with fibroids have no symptoms while others may have painful or heavy periods. [1] If large enough, they may push on the bladder, causing a frequent need to ...
A review of 11,000 cases of benign and malignant tumors of the scrotum found 11 cases of scrotal leiomyoma. Scrotal leiomyomas can affect males of any age and race, but are more common in Caucasians from the ages of 40–60. The tumor in the scrotum has an average diameter of 6.4 cm. [12]