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Basal-cell carcinoma (BCC), also known as basal-cell cancer, basalioma [7] or rodent ulcer, [8] is the most common type of skin cancer. [2] It often appears as a painless raised area of skin, which may be shiny with small blood vessels running over it. [1] It may also present as a raised area with ulceration. [1]
The International Classification of Diseases for Oncology (ICD-O) is a domain-specific extension of the International Statistical Classification of Diseases and Related Health Problems for tumor diseases. This classification is widely used by cancer registries. It is currently in its third revision (ICD-O-3). ICD-10 includes a list of ...
Lesion on a nose. Human eosinophilic granuloma is characterized by abnormal proliferation of Langerhans cells (LCs). LCs are antigen-presenting cells derived from dendritic cells. In humans, eosinophilic granulomas are considered as a benign tumors that occurs mainly in children and adolescents. EG is a quite rare condition, and its incidence ...
An ulcer is a sore on the skin or a mucous membrane, accompanied by the disintegration of tissue. Ulcers can result in complete loss of the epidermis and often portions of the dermis and even subcutaneous fat. Ulcers are most common on the skin of the lower extremities and in the gastrointestinal tract. An ulcer that appears on the skin is ...
SCC of the skin begins as a small nodule and as it enlarges the center becomes necrotic and sloughs and the nodule turns into an ulcer, and generally are developed from an actinic keratosis. Once keratinocytes begin to grow uncontrollably, they have the potential to become cancerous and produce cutaneous squamous-cell carcinoma.
In 1889, Sir Jonathan Hutchinson described a crateriform ulcer on the face”. [16] In 1936, the same condition was renamed "molluscum sebaceum" by MacCormac and Scarf. [ 17 ] Later, the term “keratoacanthoma” was coined by Walter Freudenthal [ 18 ] [ 19 ] and the term became established by Arthur Rook and pathologist Ian Whimster in 1950.
A seborrheic keratosis is a non-cancerous skin tumour that originates from cells, namely keratinocytes, in the outer layer of the skin called the epidermis.Like liver spots, seborrheic keratoses are seen more often as people age.
This is the classification used by ICD-10. For example: [25] dermal; sub-dermal; cutaneous (B87.0) creeping, where larvae burrow through or under the skin; furuncular, where a larva remains in one spot, causing a boil-like lesion; nasopharyngeal, in the nose, sinuses or pharynx (B87.3) ophthalmic or ocular, in or about the eye (B87.2)