precancer


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Related to precancer: precancerous, precancerous lesion

precancer

 [pre´kan-ser]
a condition that tends to become malignant (see cancer). adj., adj precan´cerous.

pre·can·cer

(prē-kan'sĕr),
A lesion from which a malignant neoplasm is believed to develop in a significant number of instances, and that may or may not be recognizable clinically or by microscopic changes in the affected tissue.

precancer

(prē′kăn′sər)
n.
A precancerous condition.

precancer

Premalignant, preneoplasia Any of a broad group of conditions with a malignant predisposition; epithelial precancers may be
1. Glandular–eg, adenomatous hyperplasia–endometrium and adenomatous polyps–colon, stomach, which evolve towards adenocarcinoma of their respective organs or.
2. Squamous–eg, dysplasia of the uterine cervix or other urogenital mucosae; premalignant lesions of mesenchymal origin include prelymphoma and 'presarcoma'–an ad hoc coinage, the latter of which may be due to predisposing factors–eg, osteosarcoma may arise in Paget's disease of bone, radiation, hereditary multiple exostoses, polyostotic fibrous dysplasia, enchondroma, Maffucci's enchondromatosis; osteosarcomas may be induced experimentally by various trauma–chemical–eg, turpentine, mechanical– eg, local pressure, indwelling foreign bodies, ischemia–eg, vessel clamping. Cf Preneoplastic state. See Fragile X syndrome, Hereditary neoplasms, Premalignancy.
Precancer
Chromosome breakage syndromes Bloom syndrome, Fanconi syndrome
Genodermatoses Albinism, dyskeratosis congenita,epidermodysplasia verruciformis, polydysplastic epidermolysis bullosa, Werner syndrome, xeroderma pigmentosa
Hamartomatous syndromes Multiple exostoses, neurofibromatosis, Peutz-Jegher syndrome, tuberous sclerosis, von Hippel-Lindau syndrome
Immunodeficiency syndromes Ataxia-telangiectasia, Wiskott-Aldrich syndrome, X-linked agammaglobulinemia 
.

pre·can·cer

(prē-kan'sĕr)
A lesion from which a malignant neoplasm is believed to develop in a significant number of instances, and which may or may not be recognizable clinically or by microscopic changes in the affected tissue.

precancer

neoplastic lesion; tends ultimately to malignancy

precancer

a condition that tends to become malignant but does not necessarily do so, e.g. precancerous eye lesions in cancer-eye of cattle (see squamous cell carcinoma). See also cancer.
References in periodicals archive ?
Anal sex may lead to anal HPV infection, and smoking raises the risk of anal precancer and cancer.
HPV vaccination also helped women avoid thousands of cases of abnormal cervical cells and precancer and a small number of other HPV-attributable cancers, such as anal or vulvar cancer.
It provides information about the morphological features of tissue -- the same types of features a pathologist would examine in a histology section, such as the nuclear size of the cells and how densely packed the cells appear -- important indicators of precancer, she notes.
Most of the institutions performing Pap smears do not have facilities for colposcopy or treatment of cervical precancer.
Short term persistence of human papillomavirus and risk of cervical precancer and cancer: population based cohort study.
I steeled myself to look at what I'd written in my notebook all those months ago and, selfishly, felt great relief that I hadn't attacked that other Jade - the loud, gobby, brash precancer woman.
Daniel Liebler, who is current director at the Jim Ayers Institute for Precancer Detection and Diagnosis, and professor of biochemistry, pharmacology and biomedical informatics at Vanderbilt University School of Medicine, and Dr.
To prevent invasive cervical cancer, the American Cancer Society (ACS) recommends having screenings that detect precancer and HPV infection.
In human and animal clinical and experimental models, the progression of precancer to cancer is known to be lengthy.
The changes that we see are not specific for pancreatic cancer or precancer because the changes can also be seen in chronic pancreatitis (chronic inflammation).
Paladin is excited to be working with Cell Pathways on the commercialization of Aptosyn(TM), which has shown promise in a broad number of important precancer and cancer indications," stated David MacNaughtan, Paladin's vice president, business development.
In contrast, rats started on corn oil but switched to fish oil two months later reaped virtually the same benefits in reduced precancer development as those dining on fish oil only.