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Neoplasia denotes the process of the formation of neoplasms/tumors, and the process is referred to as a neoplastic process. The word neoplastic itself comes from Greek neo 'new' and plastic 'formed, molded'. [citation needed] The term tumor derives from the Latin noun tumor 'a swelling', ultimately from the verb tumēre 'to swell'.
Intratubular germ cell neoplasia; Other names: Intratubular germ cell neoplasia (ITGCN or IGCN), testicular intratubular germ cell neoplasia, intratubular germ cell neoplasia of the testis: Intratubular germ cell neoplasia. H&E stain. Specialty: Pathology, urology
Some pathology grading systems apply only to malignant neoplasms ; others apply also to benign neoplasms. The neoplastic grading is a measure of cell anaplasia (reversion of differentiation ) in the sampled tumor and is based on the resemblance of the tumor to the tissue of origin. [ 1 ]
High-grade prostatic intraepithelial neoplasia (HGPIN) is an abnormality of prostatic glands and believed to precede the development of prostate adenocarcinoma (the most common form of prostate cancer). [1] [2] It may be referred to simply as prostatic intraepithelial neoplasia (PIN).
Endometrial intraepithelial neoplasia (EIN) is a premalignant lesion of the uterine lining that predisposes to endometrioid endometrial adenocarcinoma. It is composed of a collection of abnormal endometrial cells, arising from the glands that line the uterus , which have a tendency over time to progress to the most common form of uterine cancer ...
For premalignant dysplastic changes, the CIN (cervical intraepithelial neoplasia) grading system is used. [7] Colon cancer: originally consisted of four stages: A, B, C, and D (the Dukes staging system). More recently, colon cancer staging is indicated either by the original A-D stages or by TNM. [8] Kidney cancer: uses TNM. [9]
Neoplasia is the medical term used for both benign and malignant tumors, or any abnormal, excessive, uncoordinated, and autonomous cellular or tissue growth. Desmoplastic reaction to breast cancer Desmoplasia refers to growth of dense connective tissue or 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.