14 results
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
caused by disruption ... : Hyperflexion injury ... that is fixed in flexion ... #Radiology #XRay ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
) Finger: • Mexion ... Supinator - C5, C6 • Finger ... characteristic "waiter's tip ... spared in this injury ... sensory #motor #arm
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
PIP joints are ... ligaments (prevent radial ... Hyperextension injury ... #Hand #Orthopedics ... #MSK
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... are a possible ... (save $$) Differential ... Salter Harris injury ... #diagnosis #msk
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... syndrome, ligamentous injury ... Posterior long arm ... Forearm #Ulnar #Radiology ... Orthopedics #Proximal #MSK
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
Cortical Desmoid - MSK ... Radiology Imaging ... Case description ... related to avulsive injury ... Differential diagnosis
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Management Summary ... Causes of Rhabdomyolysis ... Infection - Viral (HIV ... #causes #treatment
Gaenslen's Test (Gaenslen's maneuver) for Sacroiliac Joint Injury

The patient dangles the symptomatic leg over the side
the side of the table ... body with both arms ... positive for SIJ lesion ... sacroiliitis #clinical #video ... #physicalexam #msk
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... extensors of the arms ... compressive cord lesion ... Myelitis #diagnosis #management ... #neurology #differential
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
Case description ... surgical repair Differential ... Similar injury to ... mri #clinical #Radiology ... #diagnosis #msk