Difficulty of making the findings: Moderate
Difficulty of interpreting the findings: Hard

Diagnosis: Mallet finger

Average Case-Specific Score: 1.29 / 2

Answer Key

Sample Preliminary Report

Acute mildly displaced avulsion fracture at the dorsal base of the fifth distal phalanx.

Moderate degenerative changes of the first MCP joint. Mild degenerative changes of the first CMC and triscaphe joints.

Corticated ossific fragments along the radial aspect of the wrist likely represent remote avulsion fractures.

Case-Specific Questions Answers
Acute fracture Yes
Phalanx fracture Yes




User Case Specific Score Preliminary Report
Michael.Hornick 0

1st MCP malalignment

shelby.k.frantz 0

Ulnar subluxation of the proximal phalanx of the thumb at the MCP joint

thomas.wong 0

djd

oladapo.r.adeniran 0

Subluxation of the first MCP joint with associated soft tissue swelling. No acute fracture.

cameron.henry 0

1 MCP joint subluxation

jennifer.lindsey.1 0

Ulnar subluxation of the metacarpophalangeal joint of the thumb. ??? No acute fracture.

Alyssa.mcnamara 0

Dislocation of the 1st metacarpal phalangeal joint.

Michael.Wien 0

subluxaction proximal phalanx.

Samantha.Jayasinghe 0

Mild subluxation of 1st proximal phalangeal join

Spencer Giglio 0

I can’t see anything

michael.a.kostenko.mil 0

IDK

Emma Baker 0

No acute fracture or malalignment.
Mild degenerative changes of the first MCP joint.

Dana Vissing 0

ulnar subluxation at the thumb MCP which could represent degenerative changes or acute traumatic injury.

Sequelae of prior injury of triquetrum, scaphoid, and ulnar styloid process.

sarah.rosasco 0

first metatarsal phalanygeal subluxation

nagar048 0

no acute fracture

amna.ajam 0

Degenerative changes greatest at the 1st MCP joint with metacarpal head flattering, no fracture.

Ryan Staudte 0

severe degenerative changes of the first MCP joint with large osteophytes. There is mild medial/volar subluxation of the firs proximal phalanx c/f acute vs chronic degenerative capsular/ligamentous injury.

ayearwood 0

No acute fractures

vivian.huang 0

No acute osseous abnormalities.

natalia.eugene 0

Palmar subluxation of the 3rd MCP

Nanditha Guruvaiah Sridhara 0

No acute fracture.
Volar subluxation of the thumb proximal phalnax.

runail.ratnani 0

subluxed thumb?

atom 0

There is subluxation of the 1st proximal interphalangeal joint.
Possible VISI injury

stephen.klaassen 0

Three radiographic views of the right hand are provided. The lateral view is slightly obliqued.

The radial lunate capitate line is intact. The joint spaces are maintained. No acute soft tissue abnormality is present. The scaphoid is intact. Mild degenerative changes of the hand are present. No acute fracture or dislocation is present.

Impression:
No acute abnormalities.

chin.wells 0

Subluxation of first metacarpophalangeal joint

jay.yang 0

Dislocated first MTP joint

Bach Le 0

osteochondroma of the 1st MCP

jessica.miller.1 1

Nondisplaced fracture of the distal first metacarpal. Additional fractures are noted at the radial aspect of the trapezium and scaphoid, with a small bony fragment lateral to the scaphoid. Old healed fracture of the base of the 5th metacarpal.

The joints remain located. There is joint space narrowing with sclerosis and osteophytosis involving the 1st through 3rd MCPs.

heather.stefek 1

Small fracture through the distal medial scaphoid, just above the waist.

nicholas.guys 1

FINDINGS:

There is a mildly displaced fracture of the scaphoid, best seen on the lateral view, with slight inferior displacement of the dorsal fracture fragment. There is also slight displacement of the lunate proximally.

Marked degenerative changes of the first MCP joint, with subchondral sclerosis and malalignment. The soft tissues are normal

IMPRESSION:

1. Mildly displaced scaphoid fracture.
2. Marked osteoarthritis of the first MCP joint with malalignment.

joseph.hoang 1

Acute nondisplaced fracture of the 3rd MTC base

kevin.mclean 1

Ulnar styloid avulsion fracture

twcowan@wakehealth.edu 1

Ulnar subluxation at the first PIP joint, whiuch can be seen with radial collateral ligament injury.
Acute avulsion fracture of the ulnar styloid process.

nkdomeisen 1

Age indeterminate fracture of the ulnar styloid process. Correlate with point tenderness. Moderate degenerative changes of the first MCP joint with xx mm ulnar subluxation, likely degenerative in nature. Cortical irregularity along the posterior triquetrum likely represents an age indeterminate, favored remote, triquetral fracture. Mild STT and first CMC joint degenerative changes. Post traumatic deformity of the fifth metacarpal.

Scott Gerwe 1

pisiform fracture

Madison Crank 1

mildly displaced ulnar styloid fracture. Acute fracture of 1st metacarpal head with ulnar subluxation at the MCP joint. Minimally displaced fracture of the ulnar base of the long metacarpal.

jgerras 1

Acute comminuted and impacted fracture of the first metacarpal with dislocation of the first MCP joint.

Kyle Pazzo 1

Fractures of the thumb metacarpal head, as well as the radial and ulnar styloid processes. Small ossific density at the first CMC joint is favored to be sequelae of OA/degenerative changes. There is mild subluxation of the proximal phalanx of the thumb relative to the thumb metacrapl, which could be degenerative or traumatic.

blair.lowery 1

acute mildly displaced fracture of first metacarpal head. mild malalignment.

Ishmael Raheem 1

Sclerotic appearance of radial epiphysis at articulation with scaphoid bone, with lucency at scaphoid concerning for distal radial compression fracture and scaphoid fracture

victoria.furlong-servin 1

fracture of the first metacarpal neck

maryam.mian 1

fracture at the base of the third metacarpal? Not sure.

liam.oneill 1

Mild cortical irregularity and areas of sclerosis in the scaphoid bone may represent scaphoid injury with early signs of avascular necrosis.
Advanced arthrosis involving the first MCP joint.

brandon.e.pye.mil 1

fx

Kevin Reger 1

Acute nondisplaced fracture of the distal pole of the scaphoid.

Acute nondisplaced fracture of the neck of the thumb metacarpal with adjacent soft tissue swelling.

Robert Janiszewski 1

volar subluxation of the long finger proximal phalanx at the long finger MCP joint. No definite associated fracture.

Avulsion fracture of the ulnar styloid.

brian.padilla 1

There is a fracture of the base of the 3rd metatarsal. There is a fracture of the scaphoid.

Evan King 1

Nondisplaced scaphoid fx

gwennan.plouzek 1

Mildly displaced fracture of t he base of the fifth distal phalanx with mild dorsal displacement of the proximal fracture fragment.

Vague osseous lucency at the radial border of the distal scaphoid, possibly projectional, but may also represent tiny avulsion fracture. Recommend attention on follow up films.

William.parkinson 2

fx

jennifer.j.huang 2

Minimally displaced triangular shaped fracture fragment at the dorsal base of the distal phalanx of the fifth digit, which extends intra-articularly into the DIP joint. Involves approximately 40% of the articular surface. Findings compatible with mallet finger injury. Soft tissue swelling about the fracture site.

erica.emmons 2

Mildly posteriorly displaced fracture of the base of the distal phalanx of the 5th ray. Additional well corticated densities adjacent the radial and ulnar styloids likely represent sequela of old trauma.

matthew.smith 2

5th distal phalanx base fracture

kai.wang 2

Sulaxation of the first MCP joint with ulnar corner fracture of the fist proximal phalanx consistent with gamekeeper thumb.

Demo Resident #1 2

Mildly posteriorly displaced fracture of the base of the distal phalanx of the 5th ray. Additional well corticated densities adjacent the radial and ulnar styloids likely represent sequela of old trauma.

danielle.c.mihora.1 2

fracture of distal phalynx of pinky finger

emily.haas 2

minimally displaced fractures of the radial and ulnar styloid processes and radial aspect of the trapezium
nondisplaced fractures of the scaphoid, distal 5th middle phalanx and proximal 5th distal phalanx
subluxation of the 1st MCP joint
soft tissue over 5th digit with overlying bandage

jarred.todd 2

Acute fx of distal phalangeal base of 5th digit

coleman.breland 2

Mildly displaced avulsion fracture of the proximal right 5th distal phalanx on ulner side.

kbolger@wakehealth.edu 2

Acute mildly displaced oblique fracture of the base of the 5th distal phalanx

ppolamra@wakehealth.edu 2

Query lucency through the distal scaphoid, maybe nondisplaced fx.

Offset of base of fifth distal phalanageal base, may represent an additional fracture on lateral view.

mild degen dip, 1st mcp, stt.

platterm@wakehealth.edu 2

Acute fracture of the 5th distal phalangeal dorsal base with extension into the DIP. No joint malalignment. Ossific fragments adjacent to the radial and ulnar styloid are likely sequalae of remote trauma.

katcheso@wakehealth.edu 2

Acute transverse fracture through the base of the fifth distal phalanx with volar displacement , associated soft tissue swelling. Query intraarticular extension

generalized degenerative changes of the PIP/DIP joints

angulation of the 5th MTP likely reflects sequelae of remote trauma

mamiraul@wakehealth.edu 2

Avulsion fracture of the dorsal aspect of the base of the distal phalanx of the 5th digit.

abond@wakehealth.edu 2

Acute minimally displaced avulsion fracture from the dorsal base of the 5th distal phalanx with surrounding soft tissue swelling.

Acute mildly displaced avulsion fracture of the radial styloid and minimally displaced fracture of the ulnar styloid.

Small ossific fragment adjacent the trapezium may represent an additional avulsion fracture of undetermined donor site versus degenerative in nature.

Moderate degenerative changes of the first CMC and MCP joints.

saribind 2

Acute minimally displaced 5th distal phalanx base fracture.

dmsylves@wakehealth.edu 2

Ulnar displacement of the first proximal phalanx at the first MCP joint.
Acute oblique fracture of the distal first metacarpal extending to the first MCP joint.
Query acute nondisplaced fracture of fifth distal phalanx.
Age indeterminate ulnar styloid avulsion fracture.

ajthomps@wakehealth.edu 2

Acute, mildly distracted fracture of the base of the distal phalanx of the 5th digit with intra-articular extension.
Soft tissue swelling about the 5th digit.
Moderate degenerative changes of the 1st MCP joint and STT joint.

Justin Little 2

Acute nondisplaced intraarticular fractures at the ulnar bases of the 3rd and 4th middle phalanges. Soft tissue swelling.

Jessica Hinaman 2

Min displaced acute avulsion fx of the dorsal base of the fifth distal phalynx.

Periosteal reaction about the head of the first metacarpal concerning for osteomyelitis or aggressive osseous lesion.

jaime fields 2

Acute fracture at the base of the 5th distal phalanx with minimal volar displacement.

Collin Innis 2

Acute intra-articular fracture of the dorsal base of the 5th digit distal phalanx. No malalignment.

Adam Petraglia 2

Acute minimally displaced fracture at the base of the dorsal aspect of the distal phalanx of the little finger.

Acute minimally displaced fracture of the ulnar styloid tip.

Likely radius styloid tip fracture.

Negative ulnar variance.

Hayden Barrett 2

Acute displaced fracture of the 5th distal phalangeal base. Anterior displacement of the distal fracture fragment.

Prominent arthritic degenerative changes of the STT, 1st CMC, and 1st MCP.

Gibson Klapthor 2

acute mildly displaced fx of the base of the dorsal 5th distal phalanx.

Zack Williams 2

Acute minimmally displaced fracture of the 5th distal phalanx with slight volar displacement. Possible disruption of the bed of the finegernail.
Soft tissue swelling about the 5th distal phalanx.
ossific density adjacent to the ulnar styloid, which likely represents an acute minimally displaced fracture.
mild degenerative changes of the radiocarpal, STT, 1st CMC, 1st MCP, and scattered interphalangeal joints.

Benjamin Daniel 2

Dorsal avulsion fracture of the fifth distal phalanx with minimal distraction

Ayca-dundar 2

distal 5th phalanx dorsal mildly displaced avulsion fx.

cdwilson 2

Acute, minimally displaced fracture of the dorsal 5th distal phalanx.
Moderate degenerative changes of the 1st CMC and MCP joint.

Jacob Gilchrist 2

Fifth distal Phalanx base base minimal displacement
Degen
Old radial styloid fx
Ossification radial side of triqutrem

Deepanshu Singh 2

acute min disp fx at base of little finger distal phalanx

Achintya Patel 2

Acute minimally displaced fracture at the base of the 5th distal phalynx.

Rachel Speakman 2

Acute, minimally-displaced fracture through the dorsal aspect of the distal phalanx of the fifth digit with extension into the DIP joint.

Acute, minimally displaced fracture through the distal tip of the radial styloid process.

Additional osseous fragments adjacent to the ulnar styloid process, distal scaphoid, and posterior to the first carpal row concerning for additional fractures (specifically involving the trapezium).

Alignment and joint spacing are maintained.

Brooks Rodibaugh 2

acute minimally displaced dorsal plate avulsion fracture of the distal phlanx of the little finger.

westbera@musc.edu 2

5th distal phalynx
ulna styloid

brian-grieve 2

Minimally displaced acute avulsion of the dorsal proximal fifth distal phalanx.

bryan-bozung 2

.

Chris Roberts 2

Acute fracture of the little finger distal phalanx dorsal base. Mild dorsal displacement and angulation.

Round, corticated ossific bodies adjacent to the radial and ulnar styloid processes favored chronic sequalae of remote trauma.

Mild joint space narrowing and volar subluxation of the thumb, index, and long finger MCP joints.

Mild degenerative changes of the thumb CMC and STT joints.

Jordan Aikens 2

Acute avulsion fracture of the ulnar styloid process.
ACute mildly dispalced fracture of the dorsal 5th distal phalanx with associated laceration.
Cystic lesion of the 1st metacarpal head with periosteal reaction. Recommend further evaluation with MRI or CT. Partial radial subluxation of the 1st MCP joint.

Susana Bracewell 2

Acute fracture of the dorsal base of the fifth proximal phalanx.
Question acute avulsion fracture from the tip of the ulnar styloid process.
Remote deformity of the fifth metacarpal.

Katherine Johnson 2

Acute avulsion fracture of the dorsal plate of the fifth distal phalanx. No malalignment.
Small well-corticated ossific fragments adjacent to the radial styloid and ulnar styloid, likely sequelae of remote trauma.

Louis Leon 2

Dorsal 5th distal phalanx

mborten 2

Acute minimally displaced fracture of the dorsal base of the fifth proximal phalanx

Jennifer Dennison 2

Acute, minimally displaced fracture of the dorsal aspect of the base of the distal phalanx of the right fifth digit with intraarticular extension. Associated soft tissue swelling.

sbhupathy 2

Acute nondisplaced fracture of the fifth proximal phalanx head

ava.mirtsching 2

Avulsion fracture at the base of the fifth distal phalanx.

salapierre 2

Acute fracture of the dorsal distal phalanx base of the small finger with mild displacement. Associated soft tissue swelling.

nicolas.garza 2

Acute minimally displaced fracture of the 5th proximal aspect of the distal phalanx.
Mild soft tissue edema.

caleb.duggan 2

Acute mildly displaced fracture of the 5th DIP

Degenerative changes of the 1st MCP is present.

Cole Bailey 2

Base of fifth distal phalanx fx

jowhite 2

Acute minimally displaced fracture of small finger distal phalanx at the dorsal base.

Erik Larsen 2

Acute dorsal plate avulsion fracture at the base of the 5th distal phalanx.

Distal radius, distal ulna, and trapezium corticated fragments are likely sequela of remote trauma.

Moderate degenerative changes of the thumb MCP joint.

Wilson Ford 2

Acute dorsal plate avulsion fracture of the dorsal base of the 5th distal phalanx with mild dorsal displacement of the fracture fragment.

Keng Moua 2

Acute mildly displaced fracture of the short finger distal phalanx.

benjamin.heigle 2

Avulsion of the superior base of the distal fifth phalanx (Mallet finger )

Jessica Burris 2

small fingure dorsal dist phalnx fx

jyoon5 2

minimally displaced fracture of the dorsal fifth distal phalanx, suggestion of a possible avulsion fracture of the ulnar styloid, cortical irregularity with an osseous fragment adjacent to the scaphoid suggestion of a distal pole fracture

diogojorge.vidalsilva 2

abby-reutzel 2

5th distal phalanx fracture.

latif.bashirov

normal

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