Solar or actinic keratosis — Dermoscopic Case (ISIC_0011552)

Diagnosis: Solar or actinic keratosis

Dermoscopic image of solar or actinic keratosis on the Head in a approximately 85 years old patient. Source: ISIC Archive (ISIC_0011552), License: CC-0.

Clinical Presentation

Actinic keratosis is a pre-malignant lesion caused by chronic sun exposure, considered the earliest stage of SCC. Dermoscopy shows a strawberry pattern with pseudo-network, targetoid follicles, and scale. Anatomic site: Head Patient: approximately 85 years old Image type: dermoscopic

Clinical History

Patient demographics: approximately 85 years old. Lesion located on Head.

Differential Diagnosis

SCC in situ, Seborrheic keratosis, Solar lentigo, Psoriasis

Tags: actinic keratosis, pre-malignant, UV damage, dermoscopy, ISIC