Sarcoidosis is called the "great imitator" because it can have almost any morphology. Other rare lesions of cutaneous sarcoidosis are ichthyosiform, lichenoid, vasculitic, psoriasiform, erythrodermic, verrucous, papillomatous, and ulcerative lesions.

What is known as the great imitator?

Syphilis is called the “great imitator” as it can present very similar to a large variety of other diseases, which can sometimes complicate its diagnosis, especially in the later stages.

What STI is the great imitator?

Syphilis has been called the great imitator because its signs and symptoms are so similar to other infections and diseases.