Acanthosis nigricans may affect any area of the body, but is most commonly found in the axillae, nape and sides of the neck, and in the groin (see Figures 2 & 3). Acanthosis nigricans presents as ...

One of them is called acanthosis nigricans, which presents as darkened ... elbows, knees, and groin area. They may be ...

One of them is called acanthosis nigricans, which is darkened skin patches. These discolourations, which give the appearance of dirty skin, appear on the neck, elbows, knees, and groin area.