Brian Poligone

Are You Confident of the Diagnosis? Characteristic findings on physical examination A typical patient will be a man over 40 years old who has red psoriasiform/scaly plaques distributed on the ears (79%), nails (75%), nose (63%), fingers (61%), hands (57%), and feet (50%). (Figure 1). A history of smoking or heavy alcohol use, which predispose…

Are You Confident of the Diagnosis? What you should be alert for in the history Pityriasis lichenoides chronica (PLC) is rarely as symptomatic as it is alarming. When this form of parapsoriasis was being described in the literature it was grouped under the “rhythmic eruptions” due to the unexplainable eruption of multiple lesions followed by…