MSK Flashcards
Ivory Vetebra (Adult)
Osteoblastic met - Prostate/Breast
TB Spondylitis
Lymphona (HL)
Pagets (+expansion)
Rare- sarcoid, mastocytosis
Primary Myelofibrosis
Myeloproliferative neoplasm in which bone marrow is replaced with collagenous connective tissue resulting in progressive fibrosis.
Diffuse bone scelrosis
Hepatosplenomegaly
Extra-medullary haematopoisesis
Epiphyseal Lesions
Chondroblastoma (+enchondroma, clear cell chondrosarcoma)
GCT
Geode
Infection
Wedge Fracture
Traumatic
Insufficiency
Pathological
Multiple Lytic Bony Lesions (Child)
LCH
Fibrous Dysplasia
CRMO
Multiple Lytic Bony Lesions (Adult)
Mets
Myeloma
Lymphoma (NHL)
Caffey Disease
Infantile Cortical Hyperostosis
<5 months old
Mandible involvement
Scelrotic vertebral endplates
Hyperparathyroidism (Rugger Jersey)
Pagets Disease (Picture Frame)
Ostopetrosis (Sandwich Vertebrae)
Bilateral symmetric sacro-iliitis
Ank Spond
IBD
RA
Unilateral/asymmetric sacro-iliitis
Psoriatic Artritis
Reactive Arthritis
Osteomyelitis (septic arthritis)
Diffuse Bony Sclerosis Causes
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
Superscan
Diffuse Mets: prostate, breast, TCC,
Metabolic Bone disease: renal osteodystrophy, osteomalacia, myelofibrosis, mastocytosis, widespread pagets
Renal osteodystrophy
Soft Tissue Calcification
Sub Talar Dislocation
Dislocation of the talonavicular or talocalcaneal joints without talar fracture
TB vs Pyogenic Spondylidiscitis
TB: vertebral centric, t-spine, multiple levels, paraspinal abscess (thin walled well defined)
Osteonecrosis femoral head
Traumatic
Corticosteroid therapy
Alcoholism
Sickle cell disease
Smoking
DM
Renal failure
SLE
Osteolysis of distal clavicle
“Short Pencil”
Scleroderma
Hyperparathyroidism
Osteomyelitis
RA
Trauma
Progeria
Vertebral Plana
“I MELT”
Infection
Mets/Myeloma
Eosinophilic Granuloma
Lymphoma/Leukaemia
Trauma/TB
Tenosynovial Giant Cell Tumours
Previous PVNS
Fibrohistiocytic tumours arising from synovial of joints, bursae or tendon sheaths
Localised or Diffuse subtypes
Acroosteolysis
“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
Extramedullary Haematopoiesis
Myeloproliferative Disorders:
CML
Polycythaemia vera
Myelofibrosis
Hodgkin lymphoma
Haemaglobinopathies:
Sickle cell disease
Thalassaemia
Hereditary Sphercytosis
Malgaigne Fracture
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.
Malgaigne Fracture
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.
Tenosynovial Giant Cell Tumour MRI
T1 low
T2 low
PD high
