Orthonotes Logo
Orthonotes
by the.bonestories

Orthopaedic Wiki

Solitary Plasmacytoma

Localized malignant proliferation of plasma cells in bone or soft tissue without systemic myeloma. Common in vertebrae, pelvis, ribs, femur. Symptoms: pain, swelling, pathological...

Tumor | 👁 2 | 2 weeks ago

Allman / Neer Distal Third — Clavicle

Allman: Type I midshaft; Type II distal; Type III medial third. Neer distal clavicle: Type I stable; IIA/IIB unstable (CC ligaments disrupted); Type III intra-articular; V epiphyse...

Trauma | 👁 4 | 2 weeks ago

Rockwood Classification — AC Joint Injuries

I: sprain; II: AC torn, CC intact; III: AC+CC torn with superior displacement. IV: posterior displacement; V: marked superior displacement; VI: inferior displacement (rare). I–II n...

Trauma | 👁 2 | 2 weeks ago

Ideberg Classification — Glenoid Fractures

Types I–V: rim (anterior/posterior), transverse, and complex intra-articular patterns. Large articular fragments or instability need ORIF; small rim fractures stable may be non-op.

Trauma | 👁 3 | 2 weeks ago

Patellofemoral Instability

Common in young females; often after acute lateral dislocation. Risk factors: trochlear dysplasia, patella alta, increased TT-TG distance, ligamentous laxity. Clinical: recurrent d...

General | 👁 5 | 2 weeks ago

Shoulder Stiffness — Adhesive Capsulitis

Idiopathic or secondary; painful stiffness with capsular pattern (ER most limited). Stages: painful freezing → frozen → thawing; natural history 1–3 years. Nonopera...

Sports | 👁 6 | 2 weeks ago

CRPS — Budapest Criteria

Define CRPS — Budapest Criteria with common etiologies and pathoanatomy. List key classifications or staging systems used in exams. Clinical features and focused examination; speci...

Sports | 👁 5 | 2 weeks ago

Madelung Deformity

Congenital or developmental deformity due to premature closure of ulnar volar physis of distal radius. More common in adolescent females; associated with Léri-Weill dyschondrosteos...

General | 👁 3 | 2 weeks ago

ACL Injury — Workup & Reconstruction

ACL is critical stabilizer against anterior translation and rotational instability. Mechanism: non-contact pivoting injury; pop and immediate swelling (hemarthrosis). Clinical: Lac...

General | 👁 4 | 2 weeks ago

PCL Injury

PCL prevents posterior tibial translation; stronger than ACL. Mechanism: dashboard injury (posterior force on tibia), hyperflexion. Clinical: posterior sag sign, posterior drawer t...

General | 👁 8 | 2 weeks ago

Multi-ligament Knee Injury

Involves disruption of ≥2 major knee ligaments; often from high-energy trauma. Common patterns: ACL + PCL ± collateral injuries. Associated with vascular (popliteal artery) and ner...

General | 👁 3 | 2 weeks ago

Morton’s Neuroma

Perineural fibrosis of the common plantar digital nerve—classically in the 3rd webspace—causing burning plantar forefoot pain. Provocative tests: web‑space compression, Mulder’s cl...

Sports | 👁 4 | 2 weeks ago