MSK Flashcards

(25 cards)

1
Q

Ivory Vetebra (Adult)

A

Osteoblastic met - Prostate/Breast
TB Spondylitis
Lymphona (HL)
Pagets (+expansion)

Rare- sarcoid, mastocytosis

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2
Q

Primary Myelofibrosis

A

Myeloproliferative neoplasm in which bone marrow is replaced with collagenous connective tissue resulting in progressive fibrosis.

Diffuse bone scelrosis
Hepatosplenomegaly
Extra-medullary haematopoisesis

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3
Q

Epiphyseal Lesions

A

Chondroblastoma (+enchondroma, clear cell chondrosarcoma)
GCT
Geode
Infection

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4
Q

Wedge Fracture

A

Traumatic
Insufficiency
Pathological

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5
Q

Multiple Lytic Bony Lesions (Child)

A

LCH
Fibrous Dysplasia
CRMO

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6
Q

Multiple Lytic Bony Lesions (Adult)

A

Mets
Myeloma
Lymphoma (NHL)

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7
Q

Caffey Disease

A

Infantile Cortical Hyperostosis
<5 months old
Mandible involvement

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8
Q

Scelrotic vertebral endplates

A

Hyperparathyroidism (Rugger Jersey)
Pagets Disease (Picture Frame)
Ostopetrosis (Sandwich Vertebrae)

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9
Q

Bilateral symmetric sacro-iliitis

A

Ank Spond
IBD
RA

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10
Q

Unilateral/asymmetric sacro-iliitis

A

Psoriatic Artritis
Reactive Arthritis
Osteomyelitis (septic arthritis)

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11
Q

Diffuse Bony Sclerosis Causes

A

3 M’s Proof

Malignancy: Mets, lymphoma, leukaemia
Myelofibrosis
Mastocytosis
Sickle cell
Pagers/Pyknodysostosis
Renal osteodystrophy (treated secondary hyperparathyroidism)
Osteopetrosis
Other: osteopoikilosis, melorheostosis, hyperthyroidism, hypoparathyroidism
Flurosis

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12
Q

Superscan

A

Diffuse Mets: prostate, breast, TCC,
Metabolic Bone disease: renal osteodystrophy, osteomalacia, myelofibrosis, mastocytosis, widespread pagets

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13
Q

Renal osteodystrophy

A
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14
Q

Soft Tissue Calcification

A
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15
Q

Sub Talar Dislocation

A

Dislocation of the talonavicular or talocalcaneal joints without talar fracture

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16
Q

TB vs Pyogenic Spondylidiscitis

A

TB: vertebral centric, t-spine, multiple levels, paraspinal abscess (thin walled well defined)

17
Q

Osteonecrosis femoral head

A

Traumatic
Corticosteroid therapy
Alcoholism
Sickle cell disease
Smoking
DM
Renal failure
SLE

18
Q

Osteolysis of distal clavicle

A

“Short Pencil”

Scleroderma
Hyperparathyroidism
Osteomyelitis
RA
Trauma
Progeria

19
Q

Vertebral Plana

A

“I MELT”

Infection
Mets/Myeloma
Eosinophilic Granuloma
Lymphoma/Leukaemia
Trauma/TB

20
Q

Tenosynovial Giant Cell Tumours

A

Previous PVNS

Fibrohistiocytic tumours arising from synovial of joints, bursae or tendon sheaths

Localised or Diffuse subtypes

21
Q

Acroosteolysis

A

“CHOP FINger”

Collagen vascular disease - scleroderma, Raynaud disease
Hyperparathyroidism
Other - PVC exposure
Psoriasis/Pyknodysostosis
Familial - Hajdu-Cheyney syndrome
Injury - thermal burn, frost bite
Neuropathy - DM, leprosy

22
Q

Extramedullary Haematopoiesis

A

Myeloproliferative Disorders:
CML
Polycythaemia vera
Myelofibrosis
Hodgkin lymphoma

Haemaglobinopathies:
Sickle cell disease
Thalassaemia
Hereditary Sphercytosis

23
Q

Malgaigne Fracture

A

Unstable people pelvic fracture involving one hemipelvis from vertical shear forces. Ipsilateral fracture of anterior and posterior pelvic ring. Typically disruption of both public rami and SIJ.

24
Q

Malgaigne Fracture

A

Unstable people pelvic fracture involving one hemipelvis from vertical shear forces. Ipsilateral fracture of anterior and posterior pelvic ring. Typically disruption of both public rami and SIJ.

25
Tenosynovial Giant Cell Tumour MRI
T1 low T2 low PD high