MSK CORE 1 - Sheet1 Flashcards
atrophy of the teres minor muscle
axillary nerve
The 4 horsemen of the apophysis
chondroblastoma, giant cell tumor (GCT), aneurysmal bone cyst, or infection
Essex-Lopresti
fx of radial head + anterior dislocation of distal radial-ulnar joint
Galeazzi
radial shaft fx + anterior dislocation of ulna at DRUJ
Monteggia
fx of proximal ulna + anterior dislocation of radial head
Pelvis avulsions: Iliac crest
abdominal muscles
Pelvis avulsions: ASIS
sartorius
Pelvis avulsions: AIIS
rectus femoris
Pelvis avulsions: greater trochanter
gluteal muscles
Pelvis avulsions: lesser trochanter
iliopsoas
Pelvis avulsions: ischial tuberosity
hamstrings
Pelvis avulsions: pubic symphysis
ADDuctor group
who gets pincer impingement?
middle aged women
who gets Cam impingement?
young men
Kohlers
tarsal navicular osteochondrosis
Freiberg
2nd metatarsal head osteochondrosis
Severs
calcaneal apophysis osteochondrosis
Panners
capitellum osteochondrosis
Perthes
femoral head osteochondrosis
Kienbock
lunate osteochondrosis
what ulnar abnormality is associated with Kienbock (lunate AVN)?
ulnar negative variance
isolated 1st wrist compartment abnormality
De Quervains
1st and 2nd wrist compartment abnormality
Intersecting
Isolated 6th wrist compartment abnormality
early RA
multiple flexors of the wrist abnormality
RA
MRI characteristics finger tumors: Glomus
T2 bright, avid enh
MRI characteristics finger tumors: giant cell tumor tendon
T2 dark, blooms on gradient
MRI characteristics finger tumors: Fibroma
T2 dark, no blooming
When I say, “Posterior elbow dislocation,” you say
Capitellum fracture
When I say “Chondroblastoma in an adult”, you say
“Clear Cell Chondrosarcoma”
When I say “Malignant epiphyseal lesion”, you say
“Clear Cell Chondrosarcoma”
When I say “Permeative lesion in the diaphysis of a child”, you say
“Ewings”
When I say “T2 bright lesion in the sacrum” , you say
“Chordoma”
When I say “Lytic T2 DARK lesion”, you say
“Fibrosarcoma”
When I say “Sarcomatous transformation of an infarct”, you say
“MFH”
When I say, “Epiphyseal Lesion that is NOT T2 Bright” , You say
Chondroblastoma
When I say, “short 4th metacarpal,”. You say
pseudopseudohypoparathyroidism and Turner syndrome
When I say, “band like acroosteolysis,” You say
Hajdu-Cheney
When I say “ fat containing tumor in the retroperitoncum,” you say
liposarcoma
When I say “sarcoma in the foot” you say
synovial sarcoma.
When I say “avulsion of the lesser trochanter,” you say
pathologic fracture
When I say “cross over sign,” you say
pincer type Femoroacetabular Impingement
When I say “Segond Fracture,” you say
ACL tear
When I say “Reverse Segond Fracture,” you say
PCL
When I say “Arcuate Sign,” you say
fibular head avulsion or PCL tear
When I say “Deep Intercondylar Notch,” you say
ACL tear
When I say “Bilateral Patellar Tendon Ruptures,” you say
chronic steroids
When I say “Wide ankle mortise,” you say
show me the proximal fibula (Maisonneuve).
When I say “Bilateral calcaneus fractures,” you say
show me the spinal compression fracture (Lover’s leap)
When I say “Dancer with lateral foot pain,” you say
avulsion of 5th MT
When I say “Old lady with sudden knee pain with standing,” you say
SONK
When I say “Looser’s Zones,” you say
osteomalacia or rickets (vitamin D)
When I say “Unilateral RA with preserved joint spaces,” you say
RSD
When I say “T2 bright tumor in finger,” you say
Glomus
When I say “Blooming in tumor in finger,” you say
Giant Cell Tumor of Tendon Sheath (PVNS)
When I say “Atrophy of teres minor,” you say
Quadrilateral Space syndrome
When I say “Subluxation of the Biceps Tendon,” you say
Subscapularis tear
When I say “Too many bow ties,” you say
Discoid Meniscus
When I say “Celery Stalk ACL - T2” you say
Mucoid Degeneration
When I say “Drumstick ALC- T l” you say
Mucoid Degeneration
When I say “Acute Flat foot,” you say
Posterior Tibial Tendon Tear
When I say “Boomerang shaped peroneus brevis,” you say
tear- or split tear
When I say “Meniscoid mass in the lateral gutter of the ankle,” you say
Anteriolateral Impingement Syndrome
When I say “Scar between 3rd and 4th metatarsals,” you say
Morton’s neuroma
When I say “Osteomyelitis in the spine,” you say
IV drug user
When I say “Osteomyelitis in the spine with Kyphosis,” you say
TB (Gibbus Deformity)
When I say “Unilateral Sl joint lysis,” you say
IV Drug User
When I say “Psoas muscle abscess,” you say
TB
When I say “Rice bodies in joint,” you say
TB - sloughed synovium
When I say “Calcification along the periphery,” you say
myositis ossificans
When I say “Calcifications more dense in the center,” you say
Osteosarcoma- reverse zoning
When I say “Permeative lesion in the diaphysis of a child,” you say
Ewings
When I say “Long lesion in a long bone,” you say
Fibrous Dysplasia
When I say “Large amount of edema for the size of the lesion,” you say
Osteoid Osteoma
When I say “Cystic bone lesion, that is NOT T2 bright,” you say
Chondroblastoma
When I say “Lesion in the finger of a kid,” you say
Periosteal chondroma
When I say “looks like NOF in the anterior tibia with anterior bowing,” you say
Osteofibrous Dysplasia.
When I say” RA + Pneumoconiosis,” you say
Caplan Syndrome
When I say “ RA + Big Spleen + Neutropenia,” you say
Felty Syndrome
When I say “Reducible deformity of joints - in hand,” you say
Lupus.
When I say “destructive mass in a bone of a leukemia patient,” you say
Chloroma
first sign of a SNAC or SLAC wrist
Arthritis at the radioscaphoid compartment
what kind of instability/deformity is present in SLAC wrist?
DISI deformity
which tendon is involved in a Bennett fx?
pull of the Abductor pollucis longus tendon is what causes the dorsolateral dislocation
besides radiologists, who gets carpal tunnel?
dialysis patients
predicts risk of AVN in femoral head fractures?
degree of femoral head displacement
which part of scaphoid is at highest risk of AVN?
proximal pole
Most common cause of sacral insufficiency fracture in old lady
osteoporosis
tibial plateau fractures are more common on which side?
way more common laterally
SONK favors which side of knee?
SONK favors the medial knee (area of maximum weight bearing)
Looser Zones are a type of what?
insufficiency fracture
what T score = osteoporosis
T score of -2.5 marks osteoporosis
which flexor pollicis tendon goes through the carpal tunnel?
flexor pollucis longus (brevis does not)
what recess normally communicates with the radiocarpal joint?
The pisiform recess
Bankart, Perthes, ALPSA lesions: which has intact periosteum?
Perthes and ALPSA - true Bankart has disrupted periosteum
definition: buford complex
Absent anterior/superior labrum, along with a thickened middle glenohumeral ligament
which ankle ligament is most commonly torn?
ATFL (anterior talofibular)
special feature of TB in the spine?
spares the disc spaces
only benign skeletal tumor associated with radiation?
osteochondroma
what kind of tear category are bucket handle tears?
longitudinal
which portion of medial meniscus is thicker?
posterior
which way does scoliosis point with osteoid osteoma?
Scoliosis curvature points away from the osteoid osteoma
