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Radiology
Arthritis
Built from Fundamentals of Diagnostic Radiology
What’s inside
10 sections · 148 slides
Overview
- What this topic covers
- The arthritis family at a glance
Osteoarthritis
Degenerative joint disease, DISH, and geodes
- Osteoarthritis — definition and cause
- The three hallmarks of DJD
- Hallmarks of degenerative joint disease
- Osteoarthritis of the finger joints
- Sclerosis and osteophytes in DJD
- Diffuse idiopathic skeletal hyperostosis
- Diffuse idiopathic skeletal hyperostosis
- Primary versus secondary osteoarthritis
- Primary osteoarthritis — distribution
- Primary osteoarthritis of the hands
- Erosive osteoarthritis
- DJD joints that can erode
- Joints that erode in degenerative joint disease
- Osteoarthritis of the sacroiliac joint
- Geodes — what they are
- Diseases in which geodes are found
- How geodes form
- Subchondral cyst (geode) of the shoulder
Rheumatoid Arthritis
Hallmarks, large joints, and secondary DJD
- Rheumatoid arthritis — definition
- Radiographic hallmarks of RA
- Hallmarks of rheumatoid arthritis
- Rheumatoid arthritis of the hands
- RA in large joints
- Femoral head migration in hip arthritis
- Rheumatoid arthritis of the hip
- High-riding shoulder in RA
- Causes of a high-riding shoulder
- Rheumatoid arthritis of the shoulder
- Secondary DJD in long-standing RA
- Secondary osteoarthritis in rheumatoid arthritis
HLA-B27 Spondyloarthropathies
Spine and sacroiliac patterns
- The HLA-B27 spondyloarthropathies
- Syndesmophyte versus osteophyte
- Syndesmophytes in psoriasis
- Classifying syndesmophytes
- Marginal, symmetrical syndesmophytes
- Bamboo spine — marginal syndesmophytes
- Nonmarginal, asymmetrical syndesmophytes
- Bulky nonmarginal syndesmophytes
- Sacroiliac disease — ankylosing spondylitis and IBD
- Sacroiliac disease in ankylosing spondylitis
- Fused sacroiliac joints in ankylosing spondylitis
- Sacroiliac disease — reactive and psoriatic arthritis
- Unilateral sacroiliac disease in psoriasis
- Sacroiliac joint disease patterns
- Causes of sacroiliac joint disease
- CT of the sacroiliac joints
- CT of sacroiliac disease in psoriasis
- Large joint involvement
- Ankylosing spondylitis with hip disease
- Psoriatic arthritis of the hands and feet
- Psoriatic arthritis of the hands
- Calcaneal spur in psoriasis and reactive arthritis
- Reactive arthritis of the calcaneus
- Reactive arthritis versus psoriasis
- Reactive arthritis of the great toe
Crystal-Induced Arthritis
Gout and calcium pyrophosphate disease (CPPD)
- Crystal-induced arthritis — scope
- Gout — mechanism
- Gout — radiographic hallmarks
- Hallmarks of gout
- Gout erosions of the wrist
- Gout — erosions and typical site
- Gout of the first metatarsophalangeal joint
- Gout — timing and advanced disease
- Advanced gout with tophi
- CPPD — the classic triad
- CPPD — pain
- Chondrocalcinosis — sites
- Common sites of chondrocalcinosis in CPPD
- Chondrocalcinosis of the knee
- Chondrocalcinosis of the wrist
- Soft tissue calcium and CPPD
- CPPD arthropathy — location
- Common sites of arthropathy in CPPD
- CPPD arthropathy of the elbow
- CPPD arthropathy of the radiocarpal joint
- Pseudo-Charcot joint
- Diseases associated with CPPD
- Diseases associated with CPPD
Systemic Arthropathies
Collagen vascular disease, sarcoid, hemochromatosis
- Collagen vascular diseases — the hands
- Lupus and scleroderma specifics
- Systemic lupus erythematosus of the hand
- Scleroderma of the hand
- Sarcoidosis of bone
- Sarcoidosis of the hand
- Hemochromatosis arthropathy
- Hemochromatosis arthropathy of the hand
Neuropathic Joint and Growth Arthropathies
Charcot joint, JRA, hemophilia, paralysis
- Charcot joint — the triad
- The Charcot joint triad
- Hallmarks of a neuropathic joint
- Joint destruction in Charcot
- Charcot joint of the knee
- Charcot spine
- Dislocation and heterotopic new bone
- Diabetic foot and other causes
- Lisfranc Charcot joint of the foot
- JRA, hemophilia, and paralysis
- Juvenile rheumatoid arthritis of the knee
- Muscular dystrophy simulating JRA
- Why they look alike — disuse
Synovial Lesions
Synovial chondromatosis and PVNS
- Synovial chondromatosis
- Synovial chondromatosis of the hip
- Noncalcified synovial chondromatosis
- Synovial chondromatosis without calcification
- Joint mice and treatment
- Tumefactive synovial chondromatosis
- Tumefactive synovial osteochondromatosis
- Tumefactive synovial osteochondromatosis (alternate view)
- Pigmented villonodular synovitis
- Pigmented villonodular synovitis of the hip
- PVNS versus chondromatosis and MRI
- Pigmented villonodular synovitis on MRI
Sudeck Atrophy and Joint Effusions
Disuse changes and fluid detection
- Sudeck atrophy
- Sudeck atrophy of the hand
- Joint effusions — the elbow
- Knee effusion — measurement
- Knee joint effusion
- Hip and shoulder effusions
Avascular Necrosis
Osteonecrosis and osteochondroses
- Avascular necrosis — what it is
- Hallmark of AVN
- Early avascular necrosis of the hip
- AVN — the sequence of signs
- Subchondral lucency in avascular necrosis
- Avascular necrosis of the shoulder
- The subchondral lucency caveat
- Collapse and one-sided change
- AVN on MRI
- Avascular necrosis of the hip — axial MRI
- Avascular necrosis of the hip — coronal MRI
- Osteochondritis dissecans
- Osteochondritis dissecans of the knee
- Osteochondritis dissecans of the talus
- Osteochondritis dissecans of the elbow
- Geodes in AVN
- Geode in the hip with avascular necrosis
- Osteochondroses — named AVN sites
- Osteochondroses detail
- Kienböck malacia of the lunate
- Köhler disease of the tarsal navicular
- Freiberg infraction of the metatarsal head
- Scheuermann disease of the spine
- Kienböck malacia on MRI
- Takeaways — osteoarthritis and RA
- Takeaways — crystal and systemic disease
- Takeaways — destructive and vascular disease
- References
- Brant and Helms' Fundamentals of Diagnostic Radiology