Hand and wrist 2 Flashcards
What does TFCC stand for?
Triangular Fibocartilage Complex
What is the fibrocartilage meniscus supported by?
A meniscal “homologue” meaning a double or duplicate or sling or leash
Image of TFCC
green=fibrocartlage and purple=homolouge
DeQuervains Disease: what compartment, what tendons and how does it occur
1st compartment, APL+EPB, repetitive strain
Shat triggers/restricts movement during DeQuervains>
Retinacualr stnosis
In the first compartment, is there a 1st compartment septum? Multiple tendon slips?
Yes, yes
What are some of the common side effects of injection to DE Quervains?
see pic (pain/discoloration)
Image: crossover syndrome
note the tenosynovitis
What is a boxer knuckle
tramatic injury of sagittal bands.
How can you illicit ECU snapping?
Dynamic testing of forearm supination with hand extension
How large should the gap be for scapholunate instability
> 3 mm
What is Hammer Syndrome
Pain/numbness from ulnar nerve compression on hamate. Postive Allens test
Are there median nerve variants?
Yes, yes
What level is the deep motor nerve located at guynon canal?
level of the hamate
Pully Disease thickening what level is climbers finer and trigger finger
Climbers finger=A2 Trigger finger=A1
Image A1 Pully Disease Ruture
You can see the bowstrining on the fingers if disruted. See gap at volar plate
What are the 3 phases of proliferative duputrynens contracture
see pic
Image of Dupuytrens contracture
see image
Is a RA nodule Mobile Non compressible
Yes, yes
Where is a dorsal ganglion cyst locate and is it compressible
yes, and an anechoic sac. Usually arises of the dorsum of a carpal joint
What does a Ganglion Cyst in Guyons canal have along with a Schwannoma of ulnar nerve
GC=Anechoic and compressible with no color doppler signal and S=color doppler signal and solid isoechoic sturcture, benign
Characteristics of a Lipoma and Giant Cell Tumor
Lipoma=no color signal, iso echoic compressible, Giant cell tumor=+ color signal, hyperechoic and compressible, benign tendo turmor and similar to PVNS
Scapho-Lunate Radiographic Findings
Carpal Metacarpal/ CMC Arthrosis-Image
Image: Mass Evaluation
Image: Stener Lesion & Gamekeeper’s/Skiers Thumb
Image: OA
Image: RA
Image: TFCC
Image: flexor tendon pully system
Image: Thumb anatomy
Image: synovial thickness assessment
Is a RA nodule Mobile Non compressible
Origin of FCU
Origin of the FCR
Pully Disease thickening what level is climbers finer and trigger finger
What are the 3 phases of proliferative duputrynens contracture
What does a Ganglion Cyst in Guyons canal have along with a Schwannoma of ulnar nerve
What level is the deep motor nerve located at guynon canal
Where is a dorsal ganglion cyst located and is it compressible
