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LP lesion may resolve with residual hyperpigmentation caused by a persistent increase in the number of melanophages in the papillary dermis. [9] Lichenoid drug reaction Can virtually be indistinguishable from cutaneous LP both clinically and histopathologically. Typically, lesions have a photodistribution in the absence of oral mucosal ...
It appears as an exophytic mass made of cauliflower appearance. The lesion may be white, red, or normal in color. It appears as sessile or pedunculated mass. Histopathology typically shows papillomatous protrusions and/or dysplasia. [9]
The dermis is the layer of skin between the epidermis and subcutaneous tissue, and comprises two sections, the papillary dermis and the reticular dermis. [24] The superficial papillary dermis interdigitates with the overlying rete ridges of the epidermis, between which the two layers interact through the basement membrane zone. [24] Structural ...
In the earlier stages of actinic elastosis, elastic fiber proliferation can be seen in the dermis. As the condition becomes more established, the collagen fibers of the papillary dermis and reticular dermis become increasingly replaced by thickened and curled fibers that form tangled masses and appear basophilic under routine haematoxylin and eosin staining.
The dermis is the layer of skin between the epidermis and subcutaneous tissue, and comprises two sections, the papillary dermis and the reticular dermis. [10] The superficial papillary dermis interdigitates with the overlying rete ridges of the epidermis, between which the two layers interact through the basement membrane zone. [10]
Cutaneous squamous-cell carcinoma (cSCC), also known as squamous-cell carcinoma of the skin or squamous-cell skin cancer, is one of the three principal types of skin cancer, alongside basal-cell carcinoma and melanoma. [10] cSCC typically presents as a hard lump with a scaly surface, though it may also present as an ulcer. [1]
M8460/3 Papillary serous cystadenocarcinoma (C56.9) Papillary serous adenocarcinoma; Micropapillary serous carcinoma; M8461/0 Serous surface papilloma (C56.9) M8461/3 Serous surface papillary carcinoma (C56.9) Primary serous papillary carcinoma of peritoneum (C48.1) M8462/1 Serous papillary cystic tumor of borderline malignancy (C56.9)
Papular mucinosis (also known as scleromyxedema, [1] [2] "generalized lichen myxedematosus" and "sclerodermoid lichen myxedematosus") is a rare skin disease. Localized and disseminated cases are called papular mucinosis or lichen myxedematosus while generalized, confluent papular forms with sclerosis are called scleromyxedema.