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Pagetoid is a term used in dermatology to refer to "upward spreading" of abnormal cells in the epidermis (ie from bottom to top). It is uncommon and a possible indication of a precancerous or cancerous condition. Cells display pagetoid growth when they invade the upper epidermis from below.
Similar to mycosis fungoides, with bandlike infiltrate and epidermotropism of smaller atypical lymphocytes that may be CD30-. C Similar to cutaneous anaplastic large-cell lymphoma , with larger clusters or sheets of large anaplastic CD30+ cells without the interspersed mixed infiltrate of Type A.
Lutzner cells are found in skin tissue, more specifically, the epidermis and dermis layers. An accumulation of Lutzner cells in the layers of the skin can cause cutaneous T-cell lymphoma. Cutaneous cell lymphoma is the second most common form of non-Hodgkin's lymphoma. [11] Two forms of cutaneous T-cell lymphoma associated with abnormal T ...
Atypical fibroxanthoma (AFX) of the skin is a low-grade malignancy related to malignant fibrous histiocytoma, which it resembles histologically. [ 2 ] : 613 Atypical fibroxanthoma manifests as a hard, pink or red papule or nodule that grows over the course of several months and may bleed or ulcerate .
Marked atypia of type 2 pneumocytes is a characteristic finding in association with treatment with busulfan and other chemotherapeutic agents.. Atypia (from Greek, a + typos, without type; a condition of being irregular or nonstandard) [1] is a histopathologic term for a structural abnormality in a cell, i.e. it is used to describe atypical cells.
Download as PDF; Printable version; In other projects ... Dermatology: Atypical lichen myxedematosus is a skin condition caused by fibroblasts producing abnormally ...
Apoptotic and necrotic cells, absence of acantholytic cells A Tzanck smear may be a rapid test to distinguish toxic epidermal necrolysis from SSSS III. Genodermatoses: Hailey-Hailey disease: Acantholytic cells without direct immunofluorescence positivity Direct immunofluorescence examination should be made for differentiation from pemphigus.
Dysplastic nevus (atypical mole, atypical nevus, B-K mole, Clark's nevus, dysplastic melanocytic nevus, nevus with architectural disorder) Dysplastic nevus syndrome (B-K mole syndrome, familial atypical multiple mole–melanoma syndrome, familial melanoma syndrome) Ephelis (freckle) Epithelioid blue nevus; Generalized lentiginosis