29 results
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Posterior hip dislocation ... • Anterior hip dislocation ... injury -> Ligaments tear ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
pupil - Light-near ... dissociation (accommodation ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology ... #physicalexam
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
upgaze - Light-near ... dissociation - ... Parinauds #Syndrome #diagnosis ... #pineal #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... in the lunate ("tea ... sit in lunate "tea ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
6mm); • Light-near ... females Differential Diagnosis ... dissociation • ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
glenohumeral joint dislocation ... of anterior GH dislocations ... repair Differential diagnosis ... clinical #Radiology #diagnosis ... #msk
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
• Light-near dissociation ... Parinauds #syndrome #neurology ... #diagnosis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Trauma • Strains/ tears ... Fracture • Hip dislocation ... symptoms #signs #diagnosis ... #msk
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
with a capsule tear ... anterior shoulder dislocation ... Differential diagnosis ... No tear of the labrum ... #msk
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
accommodation (i.e., light-near ... dissociation). ... #Adies #Pupil #PhysicalExam ... ophthalmology #neurology