Types of basal cell carcinoma (BCC). (A) Nodular BCC in preauricular area. (B) Superficial scalp BCC, which can be mistaken for a patch of eczema, psoriasis, or ringworm (fungus, tinea faciei). (C) Scar-like morphoeic BCC, which can have extensive subclinical spread. (D) Pigmented BCC mimicking malignant melanoma

Histology of nodular basal cell carcinoma (BCC) showing circumscribed “golf ball” shaped area of cancer cells (arrows). (B) Superficial BCC showing a spreading and budding pattern of cancer cells limited to superficial skin (arrows). (C) Infiltrative BCC, with extensive lateral and deeper involvement, a “tree trunk with roots” pattern of infiltrating islands and cords of cancer cells. (D) Pigmented BCC showing clumps of pigment (arrows)

Carcinoma basocelular nodular (AAD)

Carcinoma basocelular nodular (AAD)

Carcinoma basocelular morfeiforme (AAD)

Carcinoma basocelular superficial (AAD)carcinoma basocelular superficialcarcinoma basocelular superficialCarcinoma basocelular pigmentado (AAD)Carcinoma basocelular nodular pigmentadoLesion nodular retroauricular. Carcinoma basocelular pigmentadoCarcinoma basocelular nodular ulcerado. Paciente de 60 años, que 40 años antes había recibido tratamiento con radioterapia para una lesion vascular presente en le nacimiento. Síndrome del nevus basocelular  (AAD)