basal cell hyperplasia

ba·sal cell hy·per·pla·si·a

increase in the number of cells in an epithelium resembling the basal cells.
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Basal cell hyperplasia is characterized by crowded small glands filled with cells showing rounded nuclei, often scant/atrophic cytoplasm, and sometimes formation of small solid basaloid nests (Figure 2, C).
Histological examination showed mild dysplasia in the lower half of the squamous epithelium, similar to basal cell hyperplasia, and irregular extension into the lamina propria [Figure 2]b and [Figure 2]c.
Due to the availability of limited tissue and the presence of many benign mimickers of malignancy (atypical adenomatous hyperplasia, sclerosing adenosis, basal cell hyperplasia, atrophy, seminal vesicle and ejaculatory ducts) in needle biopsy specimens of prostate, diagnosis of carcinoma by H and E alone becomes difficult.
000) in frequency of basal cell hyperplasia (90% in group 1 to 100% in group 4) and basal layer atypia (70% in group 1 to 90% in group 4) was observed.
Post-operative histopathological examination revealed features of Verrucous carcinoma depicting broad bulbous reteridges extending into deeper tissues with basal cell hyperplasia and mild dysplasia(fig 9).
23) These types of proliferation are referred to as follicular induction (FI) (also known as follicular basal cell hyperplasia, (24) epidermal basaloid cell hyperplasia (25) and basaloid epidermal proliferation).
Basal cell hyperplasia and large vacuolated epithelial cells with a clear cytoplasm are typical.
Basal cell hyperplasia represents a reactive increase in the proliferative zone that normally is limited to the first 1 to 4 layers of cells just above the basement membrane (Figure 1, B).
Because of the unusual morphology seen in many of these carcinomas as well as the p63-positive immunoprofile, the main differential diagnoses include basal cell proliferations, that is, basal cell hyperplasia and basal cell carcinoma.
Basal cell hyperplasia occurs in up to 10% of prostates.
Prostate lesions with cribriform or solid architectures range from benign and proliferative, such as central zone glands, clear cell cribriform hyperplasia, and basal cell hyperplasia, to invasive cribriform carcinoma.
Basal cell hyperplasia, intercellular edema, and elongation of the epithelial papillae all occur in both EE and GERD.

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