Acanthoma

An acanthoma is a skin neoplasm composed of squamous or epidermal cells. It is located in the prickle cell layer.[1]

Acanthoma

Acanthoma macrocellulare (magn. 10×)
Specialty	Oncology

Types of acanthoma include pilar sheath acanthoma, a benign follicular tumor usually of the upper lip; clear cell acanthoma, a benign tumor found most frequently on the legs; and Degos acanthoma, often confused with but unrelated to Degos disease.

History

In 2005, "Acanthoma" was added to MeSH as an index term; previous indexing was "Skin Neoplasms" (1965–2004).[2] At that time, PubMed indexed only 206 articles with the term "acanthoma" (the term usually in the title or abstract).

References

"acanthoma" at Dorland's Medical Dictionary
Medline Data Changes for 2005 NLM Technical Bulletin 2004 November–December; 341

External links

Classification	D MeSH: D049309

Skin cancer of the epidermis

Tumor

Carcinoma

BCC	Forms Aberrant Cicatricial Cystic Fibroepithelioma of Pinkus Infltrative Micronodular Nodular Pigmented Polypoid Pore-like Rodent ulcer Superficial Nevoid basal cell carcinoma syndrome
SCC	Forms Adenoid Basaloid Clear cell Signet-ring-cell Spindle-cell Marjolin's ulcer Bowen's disease Bowenoid papulosis Erythroplasia of Queyrat Actinic keratosis
Adenocarcinoma	Aggressive digital papillary adenocarcinoma Extramammary Paget's disease
Ungrouped	Merkel cell carcinoma Microcystic adnexal carcinoma Mucinous carcinoma Primary cutaneous adenoid cystic carcinoma Verrucous carcinoma Malignant mixed tumor

Benign
tumors

Acanthoma	Forms Large cell Fissuring Clear cell Epidermolytic Melanoacanthoma Pilar sheath acanthoma Seboacanthoma Seborrheic keratosis Warty dyskeratoma
Keratoacanthoma	Generalized eruptive Keratoacanthoma centrifugum marginatum Multiple Solitary
Wart	Verruca vulgaris Verruca plana Plantar wart Periungual wart

Other

Epidermal nevus	Syndromes Epidermal nevus syndrome Schimmelpenning syndrome Nevus comedonicus syndrome Nevus comedonicus Inflammatory linear verrucous epidermal nevus Linear verrucous epidermal nevus Pigmented hairy epidermal nevus syndrome Systematized epidermal nevus Phakomatosis pigmentokeratotica
Other nevus	Nevus unius lateris Patch blue nevus Unilateral palmoplantar verrucous nevus Zosteriform speckled lentiginous nevus
Ungrouped	Cutaneous horn

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