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Noun1.keratoacanthoma - skin tumor that grows rapidly (especially in older people) and resembles a carcinoma but does not spread; it usually disappears spontaneously, often leaving a scar
acanthoma, skin tumor - a neoplasm originating in the epidermis
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Cutaneous Squamous Cell Carcinoma (cuSCC) and New Primary Melanoma: CuSCC including keratoacanthomas and new primary melanomas have occurred.
Hamada T, Fujimoto W, Okazaki E et al: Lichen planus pemphigoides and multiple keratoacanthomas associated with colon adenocarcinoma.
Six MCPyV-positive perilesional samples had an MCPyV-positive lesional counterpart (3 basal cell carcinomas, 2 keratoacanthomas, 1 squamous cell carcinoma); 1 MCPyV-positive perilesional biopsy had a MCPyV-negative counterpart (basal cell carcinoma); and of 1 MCPyV-positive perilesional biopsy the lesional counterpart was not available.
MMP-21 was expressed in actinic keratosis, Bowen's disease, pyoderma gangrenosum, lichen planus and all keratoacanthomas studied in the keratinocytes of the upper spiny layers of epidermis.
In addition to seborrheic keratoses, benign tumors of the auricle include senile keratoses, papillomas, keratoacanthomas, adenomas, and vascular tumors.
7,8) The Turcot variant of LS is characterized by malignant brain tumors (astrocytoma and glioblastoma) in addition to other syndrome-associated cancers, and the Muir-Torre variant is characterized by multiple benign and malignant sebaceous tumors and keratoacanthomas in addition to other syndrome-associated cancers.