Skip to content

SEE PATIENT HANDOUT, Psoriasis ON THE or rule out other possible diagnoses

Psoriasis is a chronic skin disorder that causes areas of thickened, inflamed, red skin, often covered with silvery scales. Patient information: Psoriasis (Beyond the Basics). Occasionally, a skin biopsy or scraping may be taken to rule out other disorders. See also: Pityriasis Rosea written for patients. Other investigations – eg, syphilis serology – may be required to rule out other possible diagnoses. Disclaimer: This article is for information only and should not be used for the diagnosis or treatment of medical conditions. In others, atopic dermatitis continues to be a significant problem in adulthood. Although a number of people who developed atopic dermatitis as children also experience symptoms as adults, it is also possible for the disease to show up first in adulthood. The doctor will base a diagnosis on the symptoms the patient experiences and may need to see the patient several times to make an accurate diagnosis and to rule out other diseases and conditions that might cause skin irritation.

SEE PATIENT HANDOUT, Psoriasis ON THE or rule out other possible diagnoses 2Your doctor usually can diagnose psoriasis by taking your medical history and examining your skin, scalp and nails. Rarely, your doctor may take a small sample of skin (biopsy) that’s examined under a microscope to determine the exact type of psoriasis and to rule out other disorders. Clinic logo are trademarks of Mayo Foundation for Medical Education and Research. Get information about the causes, tests, sign and symptoms, risk factors and treatments for psoriasis. Psoriasis is a common skin condition that can affect anyone, although it’s more common in people between the ages of 15 and 35, according to the National Psoriasis Foundation. Long-time patients have some empowering words for you. I Want to See What Different Types Look Like. Find out who. Psoriasis. Multimedia health information for patients, caregivers and providers supplied by Harvard Medical School. The biopsy can confirm the diagnosis and rule out other possible skin disorders.

Psoriasis is a common skin condition that causes skin redness and irritation. Sometimes, a skin biopsy is done to rule out other possible conditions. Psoriasis is a long-lasting autoimmune disease characterized by patches of abnormal skin. The differential diagnosis of psoriasis includes dermatological conditions similar in appearance such as discoid eczema, seborrhoeic eczema, pityriasis rosea (may be confused with guttate psoriasis), nail fungus (may be confused with nail psoriasis) or cutaneous T cell lymphoma (50 of individuals with this cancer are initially misdiagnosed with psoriasis). If the clinical diagnosis is uncertain, a skin biopsy or scraping may be performed to rule out other disorders and to confirm the diagnosis. WebMD explains how psoriasis is diagnosed. WebMD: Better information.

Psoriasis Tests And Diagnosis

Information on psoriatic arthritis for patients and caregivers: what it is, common causes, getting diagnosed, treatment options and tips for managing it. In other people, it is continuous and can cause joint damage if it is not treated. Early diagnosis is important to avoid damage to joints. Psoriatic arthritis is a type of inflammation that occurs in about 15 percent of patients who have a skin rash called psoriasis. Find out more about how to get the right diagnosis. To get the right treatment, it’s important to rule out the look-alikes. To distinguish psoriasis from these and other skin conditions, it is helpful to know how psoriasis itself can appear. However, it is possible to have both forms at the same time. See additional information. Use of this site is subject to our terms of use and privacy policy. Learn how psoriasis is diagnosed and what information you will need to share with your doctor. In rare cases, a psoriasis diagnosis may require a biopsy, where your doctor takes a small sample of skin to examine under a microscope so he or she can determine the exact type of psoriasis and rule out other disease possibilities. Once you have a psoriasis diagnosis, it’s important that you see a dermatologist. All decisions regarding patient care must be handled by a health care professional, and be made based on the unique needs of each patient. There are no diagnostic blood tests for psoriatic arthritis but tests may be done to help confirm the diagnosis and rule out other causes. See the DermNet NZ bookstore. Patients & Visitors Getting Here Visiting Hours Patient and Family Handbook Insurance Plans UM Medical Center Locations Online Bill Pay Patient Resource Center Concierge Services MyPortfolio Emergency Services Flowers and Cards Hotels Restaurants CaringBridge Support Groups Medical Records Pastoral Care Patient Safety and Quality Perioperative Services Phone Numbers. Psoriasis is a skin condition that causes skin redness and irritation. Sometimes, a skin biopsy is done to rule out other possible conditions. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. Additional information needed to help diagnose PsA includes:. Because psoriatic arthritis can be tricky to diagnose, people sometimes are initially told they have another form of arthritis only to find out later they have psoriatic arthritis. If there are psoriasis symptoms and nail pitting first, followed by joint pain, PsA is likely the culprit, particularly if there is joint swelling.


Includes overview, cause, symptoms, diagnosis, treatment, exams and tests, prevention, and medications. It can help rule out other forms of arthritis. Click here to view an Actionset. Seek information or counseling from your doctor. This information you are about to read is intended to be supportive, and informative. REMEMBER that because your child has just been diagnosed with psoriasis, it does not mean your child will have every aspect of the condition to deal with in their lives either now or in the future. Any rashes on a child should be checked out by a doctor to rule out other conditions. Yes, it is possible to have both psoriasis and eczema particlularly when they appear on the face and the term sebo-psoriasis may be used. Learn about Psoriatic Arthritis symptoms, diagnosis, treatments, living well with psoriatic arthritis and how to find a doctor. In 85 percent of patients, psoriasis occurs before joint disease. To rule out rheumatoid arthritis, your doctor may test for a certain antibody, called a rheumatoid factor, that is normally present in rheumatoid arthritis. Likewise, it is possible to have gout along with psoriasis and psoriatic arthritis. It is also possible for people with psoriasis to develop a different type of arthritis (such as rheumatoid arthritis or osteoarthritis); the fact that they have psoriasis does not alone mean their arthritis is psoriatic. At present there are no definitive guidelines for diagnosing psoriatic arthritis; a doctor will make a diagnosis based on symptoms and medical history, and by ruling out other conditions. A doctor may also use X Rays, ultrasounds or other scans, such as an MRI to look at the patient’s joints. For further information regarding the types and treatment of psoriatic arthritis, or for a list of resources used in the production of this resource, please contact the Psoriasis Association. See Also.

Usually your doctor will make the diagnosis from the appearance of your affected skin. Rarely, a sample of skin scrapings or a small sample of skin will be sent to the laboratory for examination under a microscope. This will determine the exact type of psoriasis and to rule out other skin disorders such as seborrheic dermatitis, lichen planus, neurodermatitis and pityriasis rosea. View information about Psoriasis on The physician, in making a diagnosis, also relies on various other clues such as physical signs, nonverbal signals of distress, and the results of selected laboratory and radiological and other imaging tests. From the large number of facts obtained, a list of possible diagnoses can be determined, which are referred to as the differential diagnosis. Additional information is identified, and appropriate tests are selected that will narrow the list or confirm one of the possible diseases. The past medical history is an overall view of the patient’s health prior to the present illness. The diagnosis of psoriasis is usually made upon physical examination, following a discussion about the family and medical history of the patient. It is important to discuss the family and medical history when patient is suspected to be experiencing symptoms of psoriasis. However, a skin biopsy may be useful in some cases to help in the differential diagnosis and rule out other possible skin conditions that may be responsible for causing the symptoms at hand. See related patient information handout on vulvodynia, written by the author and Elizabeth S. Smoots, M.D. Papillomatous appearance of mucosal surfaces Biopsy to rule out koilocytosis or human papillomavirus infection if symptomatic or questionable. Differential diagnoses of papulosquamous lesions and vesiculobullous lesions are included in Table 2.