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HomeStretch/Numbers > HomeStretch CRACK vol 2. MSK > Flashcards

HomeStretch CRACK vol 2. MSK Flashcards

(62 cards)

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1
Q

Fatigue fracture

Insufficiency fracture

A

Both are “stress fractures” but fatigue is generally referred to as stress fracture

Fatigue fracture = abnormal stress on normal bone

Insufficiency fracture = normal stress on ABnormal bone

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2
Q

Healing times:

Phalanges

Tibia or fem neck/shaft

everything else

A

fast (3 weeks)

Slow (10 weeks)

everything else = 6-8 weeks

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3
Q

factors for abnormal bone healing

A

Vitamin D deficiency

Gastric bypass

Drugs/meds: tobacco, nsaids, steroids

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4
Q

What are the low risk stress fxs?

A

femoral neck (compressive side)

Posterior medial tibial fx (compressive too)

longitudinal patellar fx

2nd and 3rd metatarsal

calcaneus

. . . the rest are high risk (ie need more than conservative tx).

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5
Q

Prieser disease

A

atraumatic AVN of scaphoid

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6
Q

What is the most important ligament in the scapholunate ligament carpal stability? how about the luno-triquetral?

A

SL = dorsal band

LT = volar

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7
Q

SLAC wrist

A

scapho-lunate advanced collapse

occurs with injury or degen via CPPD to the S-L ligament

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8
Q

SNAC Wrist

A

Scaphoid non-union advanced collapse

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9
Q

DISI

VISI

A

Dorsal / volar intercalated segmental instability

disi is more common from since it is due to the common SL injury.

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10
Q

Space of Poirier

A

ligament free (“Poor”) area in the wrist - site of weakness

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11
Q

positive ulnar variance is associated with ?

A

Ulnar impation syndrome

distal ulna smashes into lunate, degenerating it (cystic change) and tears up the CENTRAL TFCC

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12
Q

Negative ulnar variance is associated with what?

A

Keinbock’s (lunate AVN)

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13
Q

What do you need to know about the hand’s extensor compartments?

A

There are 6 of them

1st compartment (APL and EPB) are the one’s affected in de Quervains

3rd compartment (EPL) courses along lister’s tubercle and can have delayed rupture after a non-displaced radial fx.

The 6 compartment - ECU - can get early tenosynovitis in RA

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14
Q

Vaughan-Jackson Syndrome

A

Sounds like hugh jackman (wolverine)

sequential extensor tendon rupture seen with worsening RA, starting at compartment 5 -> 4, 3, 2, 1

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15
Q

Intersection syndrome

A

repetitive use issue occurs 5cm proximal to lister’s tubercle

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16
Q

Drummer’s wrist

A

3rd compartment (EPL) tenosynovitis

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17
Q

Bennet versus Rolando

What tendon causes displacement?

A

both are fracture of base of thumb

Rolando is the RECKED one! (communited)

APL

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18
Q

gamekeeper’s thumb

associated lesion?

A

avulsion fx at base of proximal phalanx with associated ucl disruption

associated with Stener Lesion

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19
Q

Stener lesion

A

occurs in gamekeeper’s thumb

adductor tendon aponeurosis gets caught in torn edges of UCL

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20
Q

Essex-Lopresti

A

fx of radial head + DRUJ dislocation

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21
Q

Monteggia fx

A

ulnar fracture with radial head dislocation

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22
Q

Galeazzi fx

A

radius fx with DRUJ dislocation

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23
Q

osborne’s ligament

A

epicondylo-olecranon ligament (where the ulnar nerve goes under in cubital tunnel)

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24
Q

Sublime tubercle

A

medial coronoid, where the elbow UCL attaches to

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25
"luxatio erecta humerii"
inferior GH dislocation, arm stuck straight over head, associated with neurologic (axillary nerve) injury
26
GLAD, Perthes, ALPSA, True bankart
too long to write. . check the book if need be
27
Nerve entrapment; which muscles atrophy in: Suprascapular notch Spinoglenoid notch quadrilateral space
supra and infra just infra teres minor
28
Segond fx
fracture of the LATERAL TIBIAL plateau (second "LT" fx) associated with ACL tear . . . segond fx? you need a "segond" ACL occurs with internal rotation
29
reverse segond fx
fracture of the MEDIAL TIBIAL plateua associated with PCL and medial menisus tears. occurs with external rotation.
30
Arcuate Sign
avulsion of the proximal fibular, insertion at the arcuate ligament complex associated with PCL tear
31
cyclops lesion
arthrofibrosis (scar associated with ventral ACL graft) "palpable audible clunk"
32
Pilon fx
communited, articularly impated tibial plafond fracture
33
Maissonneuve
unstable fx involving medial tibilar malleulos and/or disruption of the distal tibiofibular syndesmosis look for fracture of the proximal fibular shaft
34
critical angle of Gissane
intra-articular fractures of the calcaneus will have a fracture line through this
35
jone's fx the fractures from proximal to distal . . .
extra-articular fx at the fifth metatarsal base, 1.5 cm distal to the proximal tuberosity at the metadiaphysial junction. avulsion, jones, stress
36
POPS
painful os peroneus syndrome its in the peroneus LONGUS
37
Lisfranc ligament connects what two structures?
medial cuneiform to the 2nd metatarsal base on the plantar aspect
38
Master knot of henry
It's a "harry dick" Where dick (FDL) crosses of Harry (FHL) at the medial ankle
39
acute flat arch should make you think of what?
PTT tear
40
Mulholland deformity
Haglund's deformity calcaneal bony prominence the syndrome adds bursitis and tendon thickening
41
Where are Looser Zones usually seen? What do they mean?
Bilateral femoral neck and pubic rami type of insufficiency fracture osteomalacia, rickets, and OI
42
DEXA Scan T score means what? What designates osteoporosis? What is the Z score?
T score = Density relative to young adult Z score = Zame age = density relative to age-matched control
43
Sudeck atrophy
Complex regional pain syndrome AKA Reflex symphathetic dystrophy
44
Osteochondritis Dissecans versus Panner's disease
Panner's is a little younger (5-10 yo) since peter pan wants to stay young and no loose bodies.
45
McCune Albright Syndrome
Polyostotic fibrous dysplasia Girl Cafe au lat spots Precocious puberty (in contrast to Mazabraud syndrome, which has soft tissue myxomas)
46
Mazabraud Syndrome
Polyostotic fibrous dysplasia Middle aged woman soft tissue myxomas Increased risk of osseous malignant transformation (in contrast to McCune-Albright = girl with precocious puberty)
47
adamantinoma
potentially malignany tibial lesion that resembles dysplasia
48
fibroxanthoma
wastebasket term for non-ossifying fibroma (\>3cm) and fibrous cortical defect.
49
Jaffe-Camanacci Syndrome
Syndrome of multiple NOFs, cafe-au-lait spots, mental retardation, hypogonadism, and cardiac malformations.
50
Ollier dz
multiple enchondromas (in comparison to maffuci's - has "less")
51
Maffucci Syndrome
Multiple enchondromatosis (has "more" = phleboliths and increased risk of chondrosarcoma)
52
Plasmacytoma in the vertebral body has what appearance?
Mini-brain appearance
53
POEMS
Basically myeloma with sclerotic mets plasma cell proliferation (MM), neuropathy and organomegaly
54
liposclerosing myxofibroma
characterstic location = femoral intertrochanter geographic lytic lesion with sclerotic margin looks non-aggressive but 10% malignant potential
55
trevor disease
dysplasia epiphysealis hemimelica basically osteochondroma pointing towards joint
56
ligament of struthers
ligament that attaches to an avian sput and can smash the median nerve.
57
osteofibrous dysplasia
NOF in the anterior tibia with anterior bowing
58
calcium hydoxyapatite deposition disease
calcific tendonitis
59
Engelmann's disease
progressive diaphyseal dysplasia fusiform bony enlargement with sclerosis b/l and symmetric predilection for long boners hone on bone scan can involve skull and cause optic nerve compression
60
Malignant fibrous histiocytoma
name changed to pleomorphic undifferentiated sarcoma common, happens in older people, central location dark to intermediate on T2 associated with spontaneous hemorrhage bone infarcts can turn into MFH (sarcomatous transformation of infarct) radiation is a risk factor.
61
Jaccoud's Arthropathy
very similar to SLE (reducible deformity of joints without articular erosions)
62
Chloroma
Granulocytic Sarcoma destructive mass in a bone of a leukemia patient its some kind of colloid tumor

HomeStretch/Numbers (24 decks)

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