Large cell acanthoma
The etiology is unknown but thought to be related to extensive ultraviolet (UV) exposure. Analysis of clinical, histologic, and immunohistochemical properties suggests that the large cell acanthoma represents a reaction pattern evolving from a solar lentigo.
D23.9 – Other benign neoplasm of skin, unspecified
733894009 – Large cell acanthoma
Differential Diagnosis & Pitfalls