epidermal nevi and basal cell carcinoma
TRANSCRIPT
Collision tumor of Basal cell carcinoma with
Epidermal nevi.
F. Peral Rubio, M.D.Department of DermatologyHospital Universitario Virgen MacarenaSeville, Spain
Collision tumor of Basal cell carcinoma with Epidermal
nevi
A 65-years-old women. The patient was referred to us for
the assessment of a congenital lesion on the back.
The patient has experienced changes 2 years previously.
Collision tumor of Basal cell carcinoma with Epidermal nevi
These are two different lesions:Basal cell carcinomaEpidermal nevi
Collision tumor of Basal cell carcinoma with Epidermal nevi
The dermoscopic features of this pigmented basal cell carcinoma include:
Absence of pigment network Linear and arborising (branch-like)
telangiectasia Leaf-like areas Large blue-grey ovoid nests. Multiple blue-grey globules.
Linear and arborising (branch-like) telangiectasia
Leaf-like areas
Large blue-grey ovoid nests
Multiple blue-grey globules.
Collision tumor of Basal cell carcinoma with Epidermal nevi
An epidermal nevi resembles a seborrhoeic keratosis or viral wart, with fissures, crypts and milia.
Collision tumor of Basal cell carcinoma with Epidermal nevi
The dermoscopic features of this epidermal nevi include:Milia-like cysts Irregular crypts Fissures/ridges
Irregular crypts
Fissures/ridges
Milia-like cysts
Collision tumor
Collision tumor of Basal cell carcinoma with
Epidermal nevi.
F. Peral Rubio, M.D.Department of DermatologyHospital Universitario Virgen MacarenaSeville, Spain