epidermal tumors

Short list

 epidermolytic acanthoma
 wart dyskeratoma
 acantholytic acanthoma
 seborrheic keratosis KS

• dermatosis papulosa nigra
• clonal seborrheic keratosis

 intraepidermal poroma : hidroacanthoma simplex
 melanoacanthoma

 epidermal acanthoma

• clear cell acanthoma
• large cell acanthoma

 clear cell papulosis

 epidermal dysplasias

• actinic keratosis (solar keratosis )
• actinic cheilitis (solar cheilosis, actinic keratosis of the lip )
• arsenical keratosis
• PUVA keratosis

 intraepidermal carcinomas

• intraepidermal squamous cell carcinoma / intraepidermal SCC / Bowen disease
• erythropasia of Queyrat
• intraepidermal epithelioma (Jadassohn )

 malignant epidermal tumors

• cutaneous basal cell carcinoma
  • nevoid basal cell carcinoma syndrome (basal cell nevus syndrome, Gorlin syndrome – MIM.109400)

• cutaneous squamous cell carcinoma
• cutaneous verrucous carcinoma
• cutaneous adenosquamous cell carcinoma
• cutaneous mucoepidermoid carcinoma
• cutaneous carcinosarcoma (cutaneous metaplastic carcinoma )
• lymphoepithelioma-like carcinoma of the skin

 cutaneous horn
 stucco keratosis
 clavus (corn )
 callus
 onychomatrixoma (onychomatricoma )
 keratoacanthoma

Classification

 malpighian component hamartoma

• epidermal hamartoma (epidermal nevus )
• inflammatory linear verrucous epidermal hamartoma
• comedon hamartoma
• familial dyskeratotic hamartoma

 epidermal tumors of viral origin

• molluscum contagiosum
• HPV-associated epidermal tumors
  • verrucae (warts )
    • common warts
    • plantar warts
    • planar warts

• • condyloma
    • Buschke-Löwenstein tumor

• • bowenoid papulosis
  • verruciform epidermodysplasia

 Orf nodule
 " nodule des trayeurs "

 seborrheic keratosis
 epithelial polyp
 acanthomas

• melanoacanthoma
• clear cell acanthoma
• fissured acanthoma
• epidermolytic acanthoma
• acantholytic acanthoma
• warty dyskeratoma (verrucous dyskeratoma )
• tall cell acanthoma
• actinic lentigo, senile lentigo
• benign lichenoid keratosis (solitary lichenoid keratosis )

 keratoacanthoma
 cor, durillon
 cler cell papulosis
 epidermal pseudocarcinomatous hyperplasia
 malpighian syringometaplasia
 syringofibroadenomatous hyperplasia

 precarcinomatous keratosis (actinic keratosis )
 maligant epidermal tumors

• cutaneous basal cell carcinoma
• Bowen disease
• cutaneous invasive squamous cell carcinoma
• verrucous carcinoma
• genital mucosa squamous cell carcinoma
• oral mucosa squamous cell carcinoma

See also

 cutaneous tumors

References

 Owens DM, Watt FM. Contribution of stem cells and differentiated cells to epidermal tumours. Nat Rev Cancer. 2003 Jun;3(6):444-51. PMID: 12778134

 Perez-Losada J, Balmain A. Stem-cell hierarchy in skin cancer. Nat Rev Cancer. 2003 Jun;3(6):434-43. PMID: 12778133