What are the differential diagnosis of psoriasis?

The major differential diagnoses of psoriasis localized in the trunk include pityriasis rosea, maculopapular drug eruptions, pityriasis rubra pilaris, secondary syphilis, tinea corporis, mycosis fungoides, pityriasis lichenoides chronica, and subacute cutaneous lupus erythematosus (Figure 3) [18].

Why does psoriasis exist?

How psoriasis develops. In psoriasis, the life cycle of your skin cells greatly accelerates, leading to a buildup of dead cells on the surface of the epidermis. Psoriasis is a skin disease that causes red, itchy scaly patches, most commonly on the knees, elbows, trunk and scalp.

Who is most commonly affected by psoriasis?

It can occur at any age, and is most common in the age group 50–69 (1). The reported prevalence of psoriasis in countries ranges between 0.09% (2) and 11.4% (3), making psoriasis a serious global problem.

Who affects psoriasis?

It generally affects children and young adults, and is estimated to affect about 8 percent of people with psoriasis. Skin sores appear on the scalp, torso, arms, and legs.

Is psoriasis a clinical diagnosis?

The diagnosis is usually clinical, based on the presence of typical erythematous scaly patches, papules, and plaques that are often pruritic and sometimes painful. Psoriasis occurs in several distinct clinical forms. Biopsy is rarely needed to confirm the diagnosis.

Is psoriasis a fungus?

At first glance, psoriasis and ringworm can appear similar. Both conditions cause red, scaly, and itchy plaques to form on the skin. While ringworm is a temporary rash caused by a fungus, psoriasis is an autoimmune condition that lasts for a lifetime, although the symptoms can be treated.

What viruses cause psoriasis?

Common viral causes include colds, influenza, mumps, and chickenpox. Infection-induced flares are more common in children than adults, leading to a form of the disease known as guttate psoriasis. HIV is another trigger that can induce psoriasis symptoms.

What is psoriasis PDF?

Psoriasis (sor-i’ah-sis) is a long-term (chronic) usually scaling disease of the skin, which affects around 1 in 50 people, which is about 1.3 million, or around 2% of the UK population. IT IS NOT CONTAGIOUS and you cannot catch psoriasis from someone else.

Where does psoriasis usually start?

Usually starting as small red bumps on the skin, plaque psoriasis (pictured) develops into red patches with a silvery, scaly coating — these raised patches are called plaques. Plaques usually show up on elbows, knees, and the lower back, and they can last for months or even years without treatment.

How do you calculate BSA in psoriasis?

In view of the above, the following simple practical concept to aid clinical decision taking in psoriasis is now proposed: the Rule of Tens, where current severe psoriasis = BSA involved > 10% (i.e. 10 hand areas) or PASI score > 10 or DLQI score > 10.

What are the differential diagnoses for psoriasis?

Viral exanthems.

How will doctors diagnose psoriasis?

– Psoriasis causes patches of thick red skin and silvery scales. – Psoriatic arthritis is an inflammatory type of arthritis that eventually occurs in 10% to 20% of people with psoriasis. – Psoriasis and psoriatic arthritis are sometimes considered together as psoriatic disease.

What are the best treatment options for psoriasis?

Take daily baths. Bathing daily helps remove scales and calm inflamed skin.

How is psoriasis diagnosed and treated?

Medication. Medication can help reduce your symptoms of elbow psoriasis.