Msk Flashcards
De quervains
APL and EPB
Gct
Epiphyseal lesion long bones
Extends to articular surface
Fast spin echo
Reduces metallic artefact
Chondroblastoma
Epiphyseal
Thin sclerotic rim
Bone Island
Low T1,T2. No oedema
Do not enhance . No oedema.
Can have speculated shape
Photopaenic on bone scan
Parosteal osteosarcoma
Mass separate to bone
Erosion of adjacent bone
Fluid fluid level
Osteochondromatosis
Loose cartilaginous bodies
Primary - Small and uniform size nodules
Secondary - large and varying size nodules
Lipoma arborescens
Frond like synovial mass.
High t1 and fat suppressed
Effusion
Causes of superscan
Myelofibrosis
Prostate malignancy
HyperPTH
Renal osteodystrophy
Supraspinatus tear
Occurs at Distal anterior part
Suprascapular nerve innervates
Supraspinatus and infraspinatus
Fine reticular middle.phalanx and pipj
Lace like pattern
SARCOID
Tfcc with cystic changes in lunate
Positive ulnar variance
Lateral malleplys pain from tendon
Peroneal tendon
2nd and 3rd hook like
Prefers cppd
Hqemachromotisis
Hook like on all metacarpophalangeal
Loosers zones
Transverse lucencies. Form of insufficiency fractures .
Seen in axillary border of scapula , rib or posterior ulna
Calcific tendinitis
Multiple stages.
Calcific phase - deposits seen
Resorptive stage - depositis can disappear
Vertebra plana in older ppl and lesion
LCH
Also has lamellated periosteal reaction
Myositis ossificans
Circular soft tissue calcifications
Brain tumours that restrict
Gbm, medulloblastoma and lymphoma
Early contact enhancement of dilated HV and IVC with sob
Passive hepatic congestion