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Fundamentals of Imaging > Miscellaneous Articular Disorders > Flashcards

Miscellaneous Articular Disorders Flashcards

1
Q

What is an uncommon, non-erosive deforming

reducible arthropathy that develops following Acute Rheumatic Fever (ARF)?

A

Jaccoud arthropathy

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2
Q

T/F: Radiographically JaA is indistinguishable from SLE- arthropathy

A

True

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3
Q

What are the key radiographic features of JaA?

A

non-erosive ulnar deviation of fingers at 2nd-5th MCPs

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4
Q

What is a non- neoplastic condition resulting in nodular metaplastic proliferation of synovial lining of joints and rarely bursae resulting with multiple round osseous and cartilagenous intra-articular loose bodies?

A

Synovial Chondrometaplasia

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5
Q

What is another name for Synovial Chondrometaplasia?

A

Reichel Syndrome

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6
Q

What type of Synovial Chondrometaplasia contains loose bodies of similar or equal sizes radiographically?

A

Primary

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7
Q

What type of Synovial Chondrometaplasia contains loose bodies of unequal sizes that may coalesce into a larger bodies?

A

Secondary

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8
Q

What is the radiographic feature of Synovial Chondrometaplasia?

A

osteocartilagenous loose bodies that are laminated, multifaceted or round.

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9
Q

What are the most common joints affected of Synovial Chondrometaplasia?

A

Knees>elbow>shoulder>hip

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10
Q

What is a Rare benign villous (frond-like) and nodular proliferation of the synovium of the joints, bursa and tendon sheaths?

A

Pigmented Villonodular synovitis (PVNS)

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11
Q

Where does PVNS mostly occur?

A

Knee

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12
Q

What is also known as Giant cell tumour of the tendon sheath?

A

Tendon Sheath PVNS

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13
Q

What are radiographic features of PVNS?

A

extrinsic osseous cortical erosions and soft tissue swelling

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14
Q

What is a reactive process often related to some underlying pulmonary, cardiac or other pathology leading to the triad of painful periostitis, associated fingers/toes clubbing and arthritis?

A

Hypertrophic Osteoarthropathy (HOA)

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15
Q

What clinical feature is often seen with HOA?

A

Digital clubbing

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16
Q

What is digital clubbing mostly associated with?

A

paraneoplastic syndrome

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17
Q

What is Pachydermoperiostosis also known as?

A

Primary HOA

18
Q

What presents as arthritis but w/o radiographic joint changes?

A

Secondary HOA

19
Q

What is the key radiographic characteristic of HOA?

A

solid periostitis involving distal extremities of diaphysis and metaphysis

20
Q

What is a non-infectious reactive inflammatory process involving symphysis pubis?

A

Osteitis Pubis

21
Q

What are the radiographic features of Osteitis Pubis?

A

para-symphysis osseous erosions and pseudo-widening of the symphysis pubis

22
Q

What is a reactive process involving adjacent ilium at the sacroiliac articulation?

A

Osteitis condensans ilii

23
Q

What gender does Osteitis condensans ilii mostly involve?

A

Females

24
Q

What is the key radiographic feature of osteitis condensing ilii?

A

triangular shaped osseous sclerosis of the iliac side of SIJ

25
Q

What is a separation of the osteochondral fragment from the corresponding part of the epiphysis usually involving from Sports Trauma?

A

Osteochondritis dissecans

26
Q

Where is Osteochondritis dissecans mostly affects?

A

Knee

27
Q

Where on the knee is osteochondritis dissecans mostly affects?

A

posterior-lateral surface of medial femoral condyle

28
Q

Where on the ankle is osteochondritis dissecans mostly affects?

A

medial dome of talus

29
Q

What is the most common hip abnormality at a young age?

A

Slipped Capital Femoral Epiphysis (SCFE)

30
Q

Where does the femoral hip usually slip in SCFE?

A

epiphyseal hip growth plate

31
Q

In what direction does the femoral head usually slip in SCFE?

A

posterior slippage (sometimes medial slippage)

32
Q

What is a major risk factor for SCFE?

A

obesity

33
Q

What is the clinical presentation of SCFE?

A

painful limp, externally rotated, and shortened extremity

34
Q

What is the best radiographic view for SCFE?

A

Frog-leg

35
Q

What is a key radiographic feature of SCFE?

A

Klein’s line fails to intersect the epiphysis

36
Q

What condition is known as a local disturbance of growth of the proximal medial tibial epiphysis that results in the child presenting with leg bowing (tibia vara)?

A

Blount Disease

37
Q

What is the cause of Blount disease?

A

compressive forces on the medial tibial growth plate

38
Q

What condition consists of periosteal and endosteal thickening with a characteristic dripping or flowing candle wax appearance?

A

Melhoreostosis

39
Q

What is another name for Melhoreostosis?

A

Leri Disease

40
Q

What condition is a rare form of post-inflammatory (infectious) ligamentous laxity at C1-C2?

A

Grisel syndrome

Fundamentals of Imaging (16 decks)

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