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39 Cards in this Set
- Front
- Back
Reiter syndrome is considered a form of what type of arthritis?
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Reactive arthritis
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What’s the classic triad associated with Reiter syndrome?
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Urethritis, Conjunctivitis, & Arthritis
Triad only seen in ~ 1/3 of cases |
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T or F: Reiter Syndrome is thought to have a venereal or enteric connection.
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True
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What region is usually affected by Reiter syndrome?
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Lower extremity
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T or F: Reiter syndrome is a sterile (aseptic) inflammatory process that occurs distant to the primary focus of infection.
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True
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What gender most commonly is affected by Reiter’s syndrome? What’s the most common age?
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Males, 18-40 y.o
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When does Reiter syndrome m/c occur?
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w/in days to weeks of GU infection or dysentery
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What organisms cause Reiter syndrome?
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Chlamydia trichomatosis
Shigella flexneri Yersinia Enterocolitica Salmonella |
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What’s usually the initial manifestation of Reiter syndrome?
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Urethritis
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What symptom is associated with urethritis typical of Reiter syndrome?
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Circinate balanitis (20-80% of cases) – small painless ulcers on the glans penis & urethral meatus
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T or F: Conjunctivitis assoc. w/ Reiter syndrome is seen early, transient, & bilateral.
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True
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T or F. Arthritis assoc w/ Reiter syndrome is asymmetric, prefers the lower extremity & most commonly a polyarthritis in young men.
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True
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Name the skin lesion caused by Reiter syndrome found on the soles of the feet & palms of the hands.
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Keratoderma blennorrhagica
Seen in up to 30% Distinctive lesion almost identical to pustular psoriasis |
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T or F. Mucocutaneous lesions assoc w/ Reiter syndrome occur in the oral mucosa, tongue & hard palate.
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True. Similar to circinata balanitis
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What is Periosteal new bone formation in the SPINE assoc w/ Reiter syndrome called?
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Parasyndesmophytes
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What is Periosteal new bone formation in the APPENDICULAR skeleton assoc w/ Reiter syndrome called?
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Periostitis
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Periosteal new bone formation in the calcaneus assoc w/ Reiter syndrome is called…?
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Lover’s heel
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T or F: Reiter syndrome causes synovitis producing erosions in the involved jt & at the enthuses.
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True
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What laboratory results are assoc w/ Reiter syndrome?
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Slight anemia (normocytic, normochromic)
Elevated ESR (acute phase) + HLA-B27 (75%) - RA factor Leukocytosis (incr. WBCs) |
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What's the distribution of Reiter syndrome?
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Bilateral ASYMMETRICAL distribution
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What parts of the lower extremity does Reiter syndrome most effect?
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MTP and IP jts of feet
Calcaneus Ankle Knee Hip is SPARED! |
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Describe the articular/periarticular soft-tissue swelling seen in Reiter.
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Not specific, may have sausage-like swelling
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T or F. Regional or periarticular osteoporosis may occur with Reiter syndrome.
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True (though uncommon)
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Describe joint space narrowing seen with Reiter syndrome.
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Uniform, m/c seen in small articulations
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Where are bone erosions noted with Reiter Syndrome?
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Both appendicular & axial skeleton
Marginal then progress to central Superficial resorption beneath inflamed bursa or tendons |
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Where are Reiter Syndrome bone erosions most common?
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Small joints of the feet
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Bone proliferation/periostitis caused by Reiter syndrome is a prominent feature found most commonly in what locations?
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Metatarsals
Phalangeal shafts Malleolar region Knee |
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T or F. Bone proliferation/periostitis caused by Reiter syndrome can be linear of fluffy.
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True
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T or F. Enthesopathic changes are commonly seen in Reiter syndrome.
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True. (Enthesopathic = at site of insertion of muscle, tendons and ligaments into bones or joint capsules.)
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Reiter syndrome causes tendinous calcificaiton/ossification around which joint?
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Knee joint (May look like Pellegrini-Stieda)
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Launois' deformity assoc with Reiter syndrome occurs in what region?
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Foot
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How does Reiter syndrome affect the foot?
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Asymmetrical involvement of MTP & IP joints
Sesamoid bones can undergo erosions & proliferation Launois' deformity |
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How does Reiter syndrome affect the ankle/tarsal?
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Calcaneal alterations (characteristic)
Occur on both posterior & plantar aspects Retrocalcaneal bursitis Thickened Achilles' tendon |
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T or F. Reiter syndrome causes ossification of the medial collateral ligament of the knee.
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True. Knee effusions are also seen
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How does Reiter syndrome / Reactive arthritis affect the SI joint?
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Sacroilitis - Bilateral, asymmetric erosions, hazy joints, & variable sclerosis
Common finding (up to 50%) Bone scans demonstrate up to 70% involvement |
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What part of the spine is most commonly affected by Reiter syndrome / Reactive arthritis?
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Lower Thoracic & Upper Lumbar spine
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What's the appearance of Reiter syndrome / Reactive arthritis in the spine?
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Paravertabral ossification similar to PA
Asymmetrical |
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How does Reiter syndrome / Reactive arthritis affect the hand/wrist?
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PIP jt most frequently
Distinctly unusual |
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T or F. Reiter Syndrome / Reactive arthritis can cause Osseous Erosions & Bony Proliferation at the symphysis pubis & manubriosternal jt
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TRUE
:) |