13 results
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Mallet finger - injury ... Boutonniere deformity - injury ... Gamekeeper's thumb injury ... Terry thomas sign Triquetral ... Radiology #Wrist #differential
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
injuries: Carpal fracture ... trapezium, capitate, triquetrum ... radial styloid fracture ... , median nerve injury ... Sugar tong • Ortho
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
patient) - 90% - Differential ... Audiogram - Perform MRI ... Whiplash • Skull Fracture ... • Closed Head Injury ... hearing #subjective #Differential
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... Mechanical: • Larynx fracture ... inhalation • Tracheal injury ... stenosis #Stridor #differential ... pulmonary #airway #physicalexam
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
with Hill-Sachs fracture ... the impaction fracture ... surgical repair Differential ... Similar injury to ... lesion #clinical #mri
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... bearing after injury ... injuries - Meniscal injury ... Intra-articulation fracture ... diagnosis #msk #physicalexam
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Differential diagnosis ... capsuloligamentous injury ... BHAGL): Avulsion fracture ... shoulder #clinical #mri
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Controversy: Subchondral fracture ... Differential diagnosis ... Plantar plate injury ... foot #clinical #mri
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Leg Pain: • Fracture ... Repetitive strain injury ... Trauma • Crush injury ... extremity #msk #physicalexam
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
Can get chondral fractures ... Differential diagnosis ... : • Patella fracture ... with or without a fracture ... knee #clinical #mri