نتایج جستجو برای: apocrine metaplasia
تعداد نتایج: 6237 فیلتر نتایج به سال:
invasive apocrine carcinoma (iac) of the breast is a rare subtype of breast malignancy. its incidence is not well known, but it is approximately less than 1% to 4%. for these reasons, there are few reports and little information on the radiologic appearance of iac. furthermore, most of the case reports show malignant features which are similar to invasive ductal carcinoma (idc). we present a ra...
Tne distribution or cnonnesterase in tne numan sion nas been studied by several investigators, with particular attention to the nerve fibers around the sweat gland (H u r le y, Shelly and Koelle, 1953, Hellmann, 1955, and Montagna and Ellis, 1958). No cholinesterase-positive nerve fibers have been found around the apocrine sweat gland by these investigators, even though a physiological examinat...
A case of isolated areolar apocrine chromhidrosis in an 11-year-old female is presented. This is the youngest case cited in Medline. The goal of this review is to increase awareness of apocrine chromhidrosis among primary care providers and to discuss treatment. Capsaicin cream 0.025% is a proven treatment that may reduce the potential psychological impact and embarrassment that patients experi...
Ceruminous adenoma, also called ceruminoma, ceruminal adenoma, apocrine adenoma, or even cylindroma in the past (the latter three terms are discouraged) is a benign glandular neoplasm of ceruminous glands (modified apocrine sweat glands) that arises solely from the external auditory canal. By definition, this tumor type cannot involve the auricular cartilages, ear lobe, or other such external e...
BACKGROUND We examine benign breast biopsy diagnoses as reported by community pathologists in New Mexico and investigate associations with future breast cancer development. METHODS Using data collected between 1992 and 2000 by the New Mexico Mammography Project and cancer data through 2003 from the New Mexico Tumor Registry, we calculated breast cancer rates following 14,602 benign breast bio...
Apocrine carcinoma of the breast has recently been refined through gene expression profiling. Due to various pathological studies, we compared the results with the MDA-MB-453 breast cancer cell line, a proposed model for apocrine breast carcinoma. The MDA-MB-453 cell line is androgen receptor-positive and `triple-negative' in respect to estrogen receptor-α, progesterone receptor and the Her-2/n...
The localization of antigenic components with cross-reactivity to a 52,000 dalton group specific glycoprotein (gp52) of the mouse mammary tumor virus (MMTV) in paraffin sections of human breast carcinomas is described using an indirect immunoperoxidase method. This method was first optimized on paraffin sections of mouse mammary tumors. The specificity of the reaction observed in the human tiss...
We performed high-resolution allelotyping for loss of heterozygosity (LOH) analysis on microdissected samples from 45 primary breast cancers, 47 mammary preneoplastic epithelial foci, and 18 breast cancer cell lines, using a panel of 27 polymorphic chromosome 3p markers. Allele loss in some regions of chromosome 3p was detected in 39 of 45 (87%) primary breast tumors. The 3p21.3 region had the ...
Aberrant methylation of promoter CpG islands is a hallmark of human cancers and is an early event in carcinogenesis. We examined whether promoter hypermethylation contributes to the pathogenesis of benign breast lesions along a progression continuum to invasive breast cancer. The exploratory study cohort comprised 17 breast cancer patients with multiple benign and/or in situ lesions concurrentl...
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