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Hyperplasia of the breast – "Hyperplastic" lesions of the breast include usual ductal hyperplasia, a focal expansion of the number of cells in a terminal breast duct, and atypical ductal hyperplasia, in which a more abnormal pattern of growth is seen, and which is associated with an increased risk of developing breast cancer.
Intravascular papillary endothelial hyperplasia (Masson's hemangio-endotheliome vegetant intravasculaire, Masson's lesion, Masson's pseudoangiosarcoma, Masson's tumor, papillary endothelial hyperplasia) Juvenile hyaline fibromatosis (fibromatosis hyalinica multiplex juvenilis, Murray–Puretic–Drescher syndrome)
Heck's disease, also known as Focal Epithelial Hyperplasia, is an asymptomatic, benign neoplastic condition characterized by multiple white to pinkish papules that occur diffusely in the oral cavity. [1] [2]: 411 It can present with slightly pale, smooth or roughened surface morphology. It is caused by the human papilloma virus types 13 and 32. [3]
No curative treatment against EV has been found yet. Several treatments have been suggested, and acitretin 0.5–1 mg/day for 6 months is the most effective treatment owing to antiproliferative and differentiation-inducing effects. Interferons can also be used effectively together with retinoids. [citation needed]
Sebaceous hyperplasia primarily affects older patients in areas with high concentrations of sebaceous glands, such as the face, head, and neck. [3] It typically manifests as yellowish-colored skin with small papules that are often surrounded by telangiectatic blood vessels, also known as "crown vessels," and a central dell that is in line with the origin of the lesions, which is a dilated ...
Because of the differences between mucous membranes and the skin (e.g., keratinizing mucosa does not have a stratum lucidum and non keratinizing mucosa does not have this layer or normally a stratum corneum or a stratum granulosum), sometimes specialized texts give slightly different definitions of hyperkeratosis in the context of mucosae.
The epidermis is the outermost of the three layers that comprise the skin, the inner layers being the dermis and hypodermis. [1] The epidermal layer provides a barrier to infection from environmental pathogens [2] and regulates the amount of water released from the body into the atmosphere through transepidermal water loss.
The exact cause of the lesion is unknown. [4] There have been suggestions that epidermolytic acanthoma could represent a localized form of generalized hereditary epidermolytic hyperkeratosis. [7] While some have searched for a connection between HPV and epidermolytic acanthoma, they have not consistently found one. [8]