Understanding Plaque Psoriasis
Plaque psoriasis is the most common form of psoriasis, accounting for about 80% of cases. It is an autoimmune condition characterized by an overactive immune system that causes rapid skin cell growth. This rapid growth leads to the formation of red, raised patches covered with white-silver scales, known as plaques.
Symptoms of Plaque Psoriasis
The primary symptom of plaque psoriasis is the development of red, raised patches on the skin. These patches are often covered with silvery-white scales that may shed. Itching and burning sensations are common in the affected areas. Plaques can appear on various parts of the body, including elbows, knees, scalp, and lower back. Pain and discomfort may accompany severe cases of plaque psoriasis.
Diagnosing Plaque Psoriasis
Diagnosing plaque psoriasis usually involves a visual examination of the skin. A dermatologist may also perform a skin biopsy to confirm the diagnosis. Medical history and symptoms reported by the patient are vital in the diagnostic process. In some cases, additional tests such as blood tests may be recommended to rule out other conditions.
Distinguishing Plaque Psoriasis from Other Conditions
Plaque psoriasis can be mistaken for other skin conditions such as eczema or seborrheic dermatitis. Unlike eczema, plaque psoriasis typically presents with thicker, more defined scales. Seborrheic dermatitis primarily affects oily areas of the body, while plaque psoriasis can appear anywhere. Consulting a dermatologist for an accurate diagnosis is crucial to differentiate between these conditions.