Spondyloarthropathy

spondyloarthropathiesspondyloarthritisspondylarthritisSeronegative arthritisseronegative spondyloarthropathyspondylarthropathiesSpondylarthropathyankylosing spondyloarthritisRF-seronegativeseronegative
Spondyloarthropathy or spondyloarthrosis refers to any joint disease of the vertebral column.wikipedia
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Arthropathy

joint diseasearthropathiesDiabetic arthropathy
Spondyloarthropathy or spondyloarthrosis refers to any joint disease of the vertebral column.
Spondylarthropathy is any form of arthropathy of the vertebral column.

Axial spondyloarthritis

non-radiographic axial spondyloarthritisradiographic axial spondyloarthritis
Spondyloarthropathy with inflammation is called axial spondyloarthritis.
The most known member of the axial spondyloarthritis disease family is ankylosing spondylitis.

HLA-B27

HLA B27B27HLA-B*27
They have an increased incidence of HLA-B27, as well as negative rheumatoid factor and ANA.
HLA-B27 is strongly associated with ankylosing spondylitis (AS), and other associated inflammatory diseases referred to as "spondyloarthropathies".

Spondylopathy

spondylopathies
It differs from spondylopathy, which is a disease of the vertebra itself.
In contrast, a spondyloarthropathy is a condition involving the vertebral joints, but many conditions involve both spondylopathy and spondyloarthropathy.

Dactylitis

sausage digitsswelling in the hands and feetswelling of entire fingers and toes
Non-vertebral signs and symptoms of degenerative or other not-directly-infected inflammation, in the manner of spondyloarthropathies, include asymmetric peripheral arthritis (which is distinct from rheumatoid arthritis), arthritis of the toe interphalangeal joints, sausage digits, Achilles tendinitis, plantar fasciitis, costochondritis, iritis, and mucocutaneous lesions.
Dactylitis can occur in seronegative arthropathies, such as psoriatic arthritis and ankylosing spondylitis, and in sickle-cell disease as result of a vasoocclusive crisis with bone infarcts, and in infectious conditions including tuberculosis, syphilis, and leprosy.

Osteoarthritis

arthrosisdegenerative joint diseaseKnee osteoarthritis
In the broadest sense, the term spondyloarthropathy includes joint involvement of vertebral column from any type of joint disease, including rheumatoid arthritis and osteoarthritis, but the term is often used for a specific group of disorders with certain common features, the group often being termed specifically seronegative spondylarthropathies.
These criteria were found to be 92% sensitive and 98% specific for hand osteoarthritis versus other entities such as rheumatoid arthritis and spondyloarthropathies.

Enthesopathy

disorderEnthesopathiesperiarthritis
Enthesopathy is also sometimes present in association with seronegative.

Ankylosing spondylitis

Bekhterev’s DiseaseBekhterev's Diseasespondylitis, ankylosing
AS is a type of seronegative spondyloarthropathy, meaning that tests show no presence of rheumatoid factor (RF) antibodies.

Reactive arthritis

arthritis, reactiveReactive arthropathyreiter disease
Reactive arthritis is an RF-seronegative, HLA-B27-linked arthritis often precipitated by genitourinary or gastrointestinal infections.

Low back pain

lumbagolower back painlower back
However, lower back pain is the most common clinical presentation of the causes of spondyloarthropoathies; this back pain is unique because it decreases with activity.
There are three general types of low back pain by cause: mechanical back pain (including nonspecific musculoskeletal strains, herniated discs, compressed nerve roots, degenerative discs or joint disease, and broken vertebra), non-mechanical back pain (tumors, inflammatory conditions such as spondyloarthritis, and infections), and referred pain from internal organs (gallbladder disease, kidney stones, kidney infections, and aortic aneurysm, among others).

Psoriatic arthritis

psoriatic arthropathyarthritis, psoriaticArthropathic psoriasis
It is classified as a type of seronegative spondyloarthropathy.

Plantar fasciitis

plantar fascia injuryDancer's heelHeel spur syndrome
Non-vertebral signs and symptoms of degenerative or other not-directly-infected inflammation, in the manner of spondyloarthropathies, include asymmetric peripheral arthritis (which is distinct from rheumatoid arthritis), arthritis of the toe interphalangeal joints, sausage digits, Achilles tendinitis, plantar fasciitis, costochondritis, iritis, and mucocutaneous lesions.
The differential diagnosis for heel pain is extensive and includes pathological entities including, but not limited to the following: calcaneal stress fracture, calcaneal bursitis, osteoarthritis, spinal stenosis involving the nerve roots of lumbar spinal nerve 5 (L5) or sacral spinal nerve 1 (S1), calcaneal fat pad syndrome, hypothyroidism, seronegative spondyloparthopathies such as reactive arthritis, ankylosing spondylitis, or rheumatoid arthritis (more likely if pain is present in both heels), plantar fascia rupture, and compression neuropathies such as tarsal tunnel syndrome or impingement of the medial calcaneal nerve.

Crohn's disease

Crohn’s diseaseCrohn diseaseCrohn
Crohn's disease is associated with a type of rheumatologic disease known as seronegative spondyloarthropathy.

Uveitis

iritisiridocyclitisanterior uveitis
Non-vertebral signs and symptoms of degenerative or other not-directly-infected inflammation, in the manner of spondyloarthropathies, include asymmetric peripheral arthritis (which is distinct from rheumatoid arthritis), arthritis of the toe interphalangeal joints, sausage digits, Achilles tendinitis, plantar fasciitis, costochondritis, iritis, and mucocutaneous lesions.

Sacroiliitis

inflammation of the sacroiliac joint
It is a feature of spondyloarthropathies, such as axial spondyloarthritis (including ankylosing spondylitis), psoriatic arthritis, reactive arthritis or arthritis related to inflammatory bowel diseases, including ulcerative colitis or Crohn's disease.

Spondylitis

diskospondylitis
In many cases, spondylitis involves one or more vertebral joints as well, which itself is called spondylarthritis.

Enthesis

enthesesenthesis (pl. entheses)sites where ligaments and tendons attach to bone
Enthetic degeneration is characteristic of spondyloarthropathy and other pathologies.

Vertebral column

spinespinal columnspinal
Spondyloarthropathy or spondyloarthrosis refers to any joint disease of the vertebral column.

Rheumatoid arthritis

rheumatoidrheumatic arthritisarthritis, rheumatoid
In the broadest sense, the term spondyloarthropathy includes joint involvement of vertebral column from any type of joint disease, including rheumatoid arthritis and osteoarthritis, but the term is often used for a specific group of disorders with certain common features, the group often being termed specifically seronegative spondylarthropathies.

Rheumatoid factor

Positive rheumatoid factor polyarthritis
They have an increased incidence of HLA-B27, as well as negative rheumatoid factor and ANA.

Anti-nuclear antibody

anti-nuclear antibodiesANAantinuclear antibodies
They have an increased incidence of HLA-B27, as well as negative rheumatoid factor and ANA.

Achilles tendinitis

Achilles tendonitis
Non-vertebral signs and symptoms of degenerative or other not-directly-infected inflammation, in the manner of spondyloarthropathies, include asymmetric peripheral arthritis (which is distinct from rheumatoid arthritis), arthritis of the toe interphalangeal joints, sausage digits, Achilles tendinitis, plantar fasciitis, costochondritis, iritis, and mucocutaneous lesions.

Costochondritis

costrochondritis
Non-vertebral signs and symptoms of degenerative or other not-directly-infected inflammation, in the manner of spondyloarthropathies, include asymmetric peripheral arthritis (which is distinct from rheumatoid arthritis), arthritis of the toe interphalangeal joints, sausage digits, Achilles tendinitis, plantar fasciitis, costochondritis, iritis, and mucocutaneous lesions.