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Questions and Answers

Which of the following DMARDs is specifically mentioned as a treatment option?

  • Acetaminophen
  • Ibuprofen
  • Aspirin
  • Methotrexate (correct)
  • What treatment option is recommended for patients with severe skin inflammation?

  • Physical therapy alone
  • Methotrexate and retinoic-acid derivatives (correct)
  • Over-the-counter analgesics
  • Intra-articular corticosteroids
  • In cases of persistent arthritis, what is the recommended first-line treatment?

  • Physical therapy only
  • Corticosteroid injections
  • Use of DMARDs (correct)
  • Surgical intervention
  • What surgical procedure has been noted to be effective for treating chronic monoarticular synovitis?

    <p>Arthroscopic synovectomy (A)</p> Signup and view all the answers

    Which of the following is NOT a component of a rehabilitation treatment program for psoriatic arthritis?

    <p>Demanding high-impact exercise (C)</p> Signup and view all the answers

    What is an expected outcome after surgical release of joint contractures in patients?

    <p>High rates of recurrence of joint contractures (D)</p> Signup and view all the answers

    Which of the following treatments is surfacing for patients suffering from arthritis mutilans?

    <p>Combination of arthrodesis, arthroplasty, and bone grafts (C)</p> Signup and view all the answers

    What is a potential benefit of wrist spontaneous fusion in patients?

    <p>Relief of pain without surgical intervention (C)</p> Signup and view all the answers

    Which loci has the strongest association with psoriasis according to genome scans?

    <p>6p (A)</p> Signup and view all the answers

    What is true regarding serum immunoglobulin levels in psoriatic arthritis patients?

    <p>IgM levels may be normal or diminished. (B)</p> Signup and view all the answers

    Which pathway is NOT mentioned as part of the important pathways in psoriasis pathogenesis?

    <p>Apoptosis pathway (D)</p> Signup and view all the answers

    What role do ERAP1 variants play in psoriasis susceptibility?

    <p>They influence susceptibility only in those with the HLA-C risk allele. (A)</p> Signup and view all the answers

    Which proinflammatory cytokine is NOT identified to have increased levels in psoriatic arthritis patients?

    <p>IL-4 (A)</p> Signup and view all the answers

    What cytokine profile reflects the immune dysregulation seen in psoriatic arthritis?

    <p>Type 1 helper T-cell cytokines are more prevalent. (D)</p> Signup and view all the answers

    Compared to rheumatoid arthritis (RA), psoriatic arthritis patients produce which of the following to a lesser extent?

    <p>IL-5 (B)</p> Signup and view all the answers

    What is a notable difference between the inflammatory processes in psoriatic arthritis and rheumatoid arthritis?

    <p>Psoriatic arthritis lacks intracellular citrullinated proteins. (B)</p> Signup and view all the answers

    What is the percentage of patients with uveitis who have sacroiliitis?

    <p>43% (C)</p> Signup and view all the answers

    Which ocular finding is most commonly associated with uveitis?

    <p>Iritis (B)</p> Signup and view all the answers

    What is a potential cardiac complication in patients with psoriatic arthritis?

    <p>Aortic valve root insufficiency (A)</p> Signup and view all the answers

    What is a characteristic laboratory finding in patients with psoriatic arthritis?

    <p>Elevated erythrocyte sedimentation rate (D)</p> Signup and view all the answers

    In which conditions might psoriasiform skin lesions be observed?

    <p>Inflammatory bowel disease and secondary syphilis (C)</p> Signup and view all the answers

    Which arthritis condition is least likely to present with deforming arthritis compared to psoriatic arthritis?

    <p>Lupus erythematosus (B)</p> Signup and view all the answers

    What distinguishes psoriatic arthritis from rheumatoid arthritis on a radiologic examination?

    <p>Sparing of the distal joints (C)</p> Signup and view all the answers

    What is a common misconception about the association of psoriatic arthritis and secondary syphilis?

    <p>It occurs simultaneously with the skin lesions (A)</p> Signup and view all the answers

    What is one potential benefit of weight loss for patients with psoriatic arthritis?

    <p>Reducing mechanical stress on joints (D)</p> Signup and view all the answers

    Which type of exercises should be included in a rehabilitation treatment program for psoriatic arthritis?

    <p>A mix of passive, active, stretching, and strengthening exercises (B)</p> Signup and view all the answers

    Why should prolonged rest be avoided in psoriatic arthritis patients?

    <p>It may cause adverse effects from immobility (A)</p> Signup and view all the answers

    Which treatment modality can temporarily relieve pain and reduce joint swelling?

    <p>Soaking in a warm tub (A)</p> Signup and view all the answers

    What role does education play in the rehabilitation of psoriatic arthritis patients?

    <p>It informs patients on energy conservation and joint protection (C)</p> Signup and view all the answers

    What is an appropriate approach to isometric exercises during the subacute and long-term phase of treatment?

    <p>Progressing gradually to active movement from isometric exercises (B)</p> Signup and view all the answers

    What should patients be educated about during the acute phase of psoriatic arthritis treatment?

    <p>The importance of rest and joint protection (C)</p> Signup and view all the answers

    Which statement about splints in psoriatic arthritis is correct?

    <p>They can provide rest and pain relief for affected joints. (A)</p> Signup and view all the answers

    What is the recommended approach if a joint is swollen?

    <p>Avoid resistive exercises through full ROM. (B)</p> Signup and view all the answers

    When should heat therapy be administered in relation to ROM exercises?

    <p>Just prior to the performance of ROM exercises. (A)</p> Signup and view all the answers

    Which treatment is suggested for patients experiencing persistent pain after therapy?

    <p>Decrease the intensity of the therapy. (B)</p> Signup and view all the answers

    What modification should be made to shoes for patients with painful toes?

    <p>Incorporate rocker-bottom modifications. (C)</p> Signup and view all the answers

    What treatment may be necessary for patients with severe chronic monoarticular synovitis?

    <p>Arthroscopic synovectomy. (A)</p> Signup and view all the answers

    Which exercise type is particularly beneficial for patients with axial spine involvement?

    <p>Spine extension exercises. (D)</p> Signup and view all the answers

    What is a common consequence of surgical release for psoriatic arthritis patients?

    <p>High rates of recurrence of joint contractures. (B)</p> Signup and view all the answers

    What should be considered if a patient has plantar fasciitis?

    <p>Arch supports may be beneficial. (A)</p> Signup and view all the answers

    What is the recommended annual examination for patients with juvenile psoriatic arthritis?

    <p>Ophthalmologist check-up (D)</p> Signup and view all the answers

    Which medication is known to potentially exacerbate psoriasis?

    <p>Lithium (B)</p> Signup and view all the answers

    For patients with joint deformities, which specialist may be necessary for consultation?

    <p>Orthopedic surgeon (C)</p> Signup and view all the answers

    What should be prioritized in the care of a patient with psoriatic arthritis to manage multiple active domains of the disease?

    <p>Multidisciplinary team care (B)</p> Signup and view all the answers

    Which of the following is a common comorbidity associated with psoriatic arthritis?

    <p>Cardiovascular disease (D)</p> Signup and view all the answers

    What type of joint protection may be helpful for patients with psoriatic arthritis?

    <p>Splints and braces (A)</p> Signup and view all the answers

    What is the effect of lithium withdrawal on patients with psoriatic arthritis?

    <p>It causes disease flare-ups (C)</p> Signup and view all the answers

    What primary goal should be maintained for finger function in patients with psoriatic arthritis?

    <p>Maintenance of the pinch mechanism (C)</p> Signup and view all the answers

    Flashcards

    DMARDs for Arthritis

    Disease-modifying antirheumatic drugs (DMARDs) are medications used to treat arthritis by slowing or stopping the progression of the disease.

    Methotrexate

    A DMARD used to treat arthritis, often severe skin inflammation.

    Sulfasalazine

    A DMARD used to treat arthritis.

    Biologic agents

    Biological response modifiers used to treat arthritis. These agents target specific inflammatory pathways.

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    Corticosteroids for arthritis

    Corticosteroids can be injected into inflamed joints to reduce inflammation quickly.

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    Arthroscopic synovectomy

    A surgical procedure used to remove inflamed synovial tissue from a joint.

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    Joint replacement

    A surgical procedure to replace a damaged joint with an artificial one.

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    Arthrodesis/Arthroplasty

    Surgical procedures to fuse or replace a joint.

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    Physical therapy for arthritis

    A rehabilitation program to improve mobility, function, and reduce pain and disability in patients with arthritis.

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    Rest in Arthritis

    Essential for reducing inflammation, pain, and joint stress. Local or systemic

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    Exercise in Arthritis

    Crucial for improving joint mobility, strength, and endurance.

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    Modalities in Arthritis

    Heat or cold therapies used to manage pain and inflammation.

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    Education for Arthritis patients

    Important for patients to understand their condition and manage it effectively

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    Psoriasis Genetic Loci

    Studies show genetic links on chromosomes 17q, 4q, and 6p, with strongest evidence on 6p, suggesting genes influence psoriasis.

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    Immunoglobulin Genes (PsA)

    Certain immunoglobulin genes may be linked with psoriatic arthritis (PsA).

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    IgA and IgG in PsA

    Serum levels of immunoglobulin A (IgA) and IgG are higher in PsA patients compared to others.

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    Psoriasis Susceptibility Genes

    Finding specific genes related to psoriasis can help understand the disease's cause, potentially leading to new treatments.

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    Psoriasis Pathogenesis Pathways

    Several biological pathways are involved in psoriasis development, including skin barrier function, the Th17 pathway, innate immunity with interferon signaling, beta-defensin and Th2 immune responses.

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    ERAP1 and HLA-C Interaction

    ERAP1 gene variants show increased psoriasis susceptibility only in people with a particular HLA-C gene variant suggesting an interplay between these immune system genes.

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    Psoriatic Arthritis Inflammation

    Psoriatic arthritis inflammation involves similar inflammatory processes as rheumatoid arthritis (RA), but with key differences in cytokine profiles.

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    Psoriatic vs. Rheumatoid Arthritis Cytokines

    Psoriatic arthritis demonstrates different cytokine levels (types of immune signaling proteins) compared to RA, particularly regarding Th1 helper cells and their associated factors like TNF-alpha and IL-10.

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    Skin Barrier Genes (Psoriasis)

    Genes like LCE3B and LCE3C are associated with the integrity of the skin barrier, an important component in psoriasis.

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    Th17 pathway (Psoriasis)

    The Th17 pathway, a type of immune response, plays a part in psoriasis through genes such as IL12B, IL23A, and IL23R.

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    Uveitis

    Inflammation of the uvea, the middle layer of the eye.

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    Sacroiliitis

    Inflammation of the sacroiliac joints.

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    HLA-B27

    A specific human leukocyte antigen.

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    Psoriatic Arthritis

    A type of arthritis that causes joint pain and inflammation, often associated with psoriasis.

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    Scleritis

    Inflammation of the sclera (white part of the eye).

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    Keratoconjunctivitis sicca

    Dry eyes and cornea.

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    Iritis

    Inflammation of the iris, a colored part of the eye.

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    Aortic Valve Root Insufficiency

    Damage to the root of the aortic valve, leading to leakage.

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    Secondary Amyloidosis

    Amyloid build up that results from another medical condition.

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    Enteropathic Arthritis

    Arthritis related to inflammatory bowel disease.

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    Erythrocyte Sedimentation Rate (ESR)

    A blood test measuring how quickly red blood cells settle.

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    C-Reactive Protein (CRP)

    A blood protein produced in response to inflammation.

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    Psoriatic Arthritis Rehabilitation

    Personalized treatment programs starting early in the disease that target various aspects of the condition.

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    Rest in Psoriatic Arthritis

    Important for pain management; however, prolonged rest should be avoided to prevent immobility.

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    Exercise in Psoriatic Arthritis

    Crucial, encompassing passive, active, stretching, strengthening, and endurance exercises.

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    Heat/Cold Therapy

    Temporary pain and swelling relief through warm tubs, compresses, or cold packs.

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    Orthotics

    Support devices for upper/lower extremities and spinal care.

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    Assistive Devices

    Tools for activities of daily living and movement, including home/vehicle modifications.

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    Disease Education

    Teaching patients about psoriatic arthritis, its management, and self-care strategies.

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    Weight Loss in Psoriatic Arthritis

    Can reduce stress on joints, improve mobility, and may enhance medication effectiveness.

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    Smoking Cessation

    Clinicians should recommend smoking cessation strategies to patients.

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    Acute Phase Exercise

    Rest is prioritized, with controlled passive movements.

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    Subacute/Long-term Phase Exercises

    Gradual progression of exercises including isometric exercises and range-of-motion exercises, avoiding forced movements.

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    Heat Therapy Timing

    Heat therapy should be administered just before range-of-motion (ROM) exercises to improve the effectiveness of the therapy.

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    Gait Activities

    Gait activities involving weight-bearing (with or without assistive devices) are important for patients to maintain mobility.

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    Pain Management

    If pain persists more than 2 hours after therapies, reduce the intensity.

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    Resistive Exercises in Swelling

    Avoid full range of motion (ROM) resistive exercises if a joint is swollen.

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    Axial Spine Involvement

    Spine extension exercises enhance flexibility and strength for patients with axial spine issues.

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    Pain and ROM Exercises

    Avoid ROM exercises if pain increases during the exercises.

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    Foot Protection in Toe Issues

    Extra-depth shoes with a high toe box are crucial for patients with sausage-toes; rocker-bottom shoes support toes with pain.

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    Arch Supports & Plantar Fasciitis

    Arch supports can be helpful in managing plantar fasciitis.

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    Synovectomy

    Arthroscopic synovectomy is used to treat severe, chronic, monoarticular synovitis, but can cause fibrosis.

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    Post-Synovectomy Care

    Anti-inflammatory measures and physical therapy are crucial adjuncts to improve range-of-motion (ROM) after synovectomy to reduce fibrosis.

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    Joint Replacement

    Joint replacement surgery, like hip and knee replacements, is often successful for patients with psoriatic arthritis.

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    Arthrodesis/Arthroplasty

    Arthrodesis and arthroplasty can be used in various joints to treat different joint issues.

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    Wrist Fusion

    Wrist fusion can spontaneously occur, sometimes easing pain without surgery.

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    Psoriatic Arthritis Recurrence

    Psoriatic arthritis often results in joint contractures, particularly in the hand, after surgical releases.

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    Arthritis Mutilans Treatment

    For arthritis mutilans, surgery targets saving the hand, usually by combining arthrodesis, arthroplasty, and bone grafts to reconstruct the affected digits.

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    Psoriatic Arthritis Referral

    If a doctor isn't comfortable prescribing medication for psoriatic arthritis, a rheumatologist with more experience is recommended.

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    Physiatrist's Role

    Physiatrists focus on restoring the patient's functionality.

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    Juvenile PsA Eye Exams

    Annual eye exams are crucial for patients with juvenile psoriatic arthritis to check for eye inflammation.

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    Multidisciplinary Care

    Patients with psoriatic arthritis need care from multiple specialists, especially if more than one part of the disease is active.

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    Orthopedic Consultation

    Patients with joint deformities in psoriatic arthritis need an orthopedic specialist for potential procedures like joint replacement or contracture release.

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    Medication Exacerbations

    Some medications can worsen psoriasis by causing flares.

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    Lithium and Corticosteroids

    Lithium and withdrawal from systemic corticosteroids are known to cause psoriasis flare-ups.

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    Other Triggering Drugs

    Beta-blockers, antimalarials (except hydroxychloroquine), and NSAIDs may also worsen psoriasis in some cases.

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    NSAID Switching

    If skin lesions worsen with one NSAID, try a different type of NSAID.

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    Psoriatic Arthritis Prevention

    Rest, exercise, and joint supports are key for prevention, but a definite prevention isn't possible due to the chronic nature of the disease.

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    Psoriatic Arthritis Comorbidities

    Psoriatic arthritis is often linked with other health problems such as cardiovascular disease, metabolic syndrome, inflammatory bowel disease, osteoporosis, malignancy, ophthalmic disease, and liver disease.

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    Bone Mineral Density in PsA

    Psoriatic arthritis can lead to reduced bone density and deterioration of bone structure, particularly over time.

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    Study Notes

    Psoriatic Arthritis Overview

    • Psoriatic arthritis is a seronegative oligoarthritis most commonly found in patients with psoriasis.
    • Distal joint involvement and arthritis mutilans are less common but characteristic features.
    • One in five patients with psoriasis has psoriatic arthritis.

    Signs and Symptoms

    • Psoriasis often precedes psoriatic arthritis, but occasionally onset may occur simultaneously, or even 20 years beforehand, up to 10 years.

    • Sometimes, arthritis appears before the psoriasis.

    • Patients may experience only pain and stiffness, with few objective findings.

    • Acute onset is reported in one third of patients.

    • Physical Examination Findings:

      • Enthesopathy/enthesitis: Inflammation at tendon/ligament insertions; frequent in Achilles tendon and plantar fascia.
      • Dactylitis: Sausage digits (35% of patients).
      • Skin lesions: Scaly, erythematous plaques; guttate lesions; pus-filled lesions (lakes of pus); erythroderma
    • Psoriatic Nail Changes:

      • Beau lines
      • Leukonychia
      • Onycholysis
      • Oil spots
      • Subungual hyperkeratosis
      • Splinter hemorrhages
      • Spotted lunulae
      • Transverse ridging
      • Cracking of the nail's free edge
      • Uniform nail pitting
      • Important: Psoriasis can occur in hidden areas (e.g., scalp, perineum)

    Diagnosis

    • Classification Criteria for Psoriatic Arthritis (CASPAR):

      • Presence of current psoriasis (score 2).
      • History of psoriasis in absence of current psoriasis (score 1).
      • Family history of psoriasis in absence of current/past psoriasis (score 1).
      • Juxta-articular new bone formation (score 1).
      • Dactylitis (score 1).
      • Negative rheumatoid factor (score 1).
      • Nail dystrophy (score 1)
      • Required: At least 3 criteria.
    • Laboratory Findings:

      • Elevated erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP).
      • Negative rheumatoid factor in most patients.
      • Increased serum uric acid in some.
      • Elevated serum immunoglobulin A levels in ~2/3 of patients.
      • Inflammatory synovial fluid.

    Radiographic Abnormalities

    • Pencil-in-cup deformity: Erosion of distal phalanx into a sharpened pencil shape.
    • Arthritis mutilans: Joint-space narrowing, ankylosis.
    • Increased joint space.
    • Fluffy periostitis.
    • Bilateral, asymmetrical, fusiform soft-tissue swelling.
    • Unilateral or symmetrical sacroiliitis
    • Large, nonmarginal, unilateral, asymmetrical syndesmophytes (intervertebral bony bridges)

    Management

    • Medical treatments include NSAIDs, JAK inhibitors, and DMARDs (methotrexate, sulfasalazine, etc.).
    • In severe skin inflammation, methotrexate, retinoids, psoralen plus UVA are considered.
    • Intra-articular steroid injections may be helpful.
    • Surgical treatments (arthroscopic synovectomy, joint replacement, etc.) can be an option in severe cases.
    • Physical therapy and rehabilitation are important components of management.
    • Patient education is vital in managing symptoms and lifestyle accommodations.

    Pathophysiology and Etiology

    • Precise pathogenesis is not known, but genetics, environment, and immune-mediated inflammation likely play a significant role.
    • Psoriasis and psoriatic arthritis share some similarities in pathogenesis but also have differences, as indicated by treatment responses.
    • Genetic factors play a role in susceptibility, with correlations to specific HLA alleles found.

    Epidemiology

    • Psoriatic arthritis affects approximately 30% of people with psoriasis.
    • Worldwide, approximately one in four people with psoriasis is estimated to have psoriatic arthritis.
    • Incidence rates vary by population.
    • The prevalence seems to have increased in recent decades.

    Prognosis

    • Psoriatic arthritis can range from mild to severe, potentially leading to significant joint damage and disability in some individuals.

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