Orthonotes
by the.bonestories
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Congenital variant where meniscus is thickened and disk-shaped. Most common in lateral meniscus (incidence 1–3%). Clinical: snapping, pain, locking in children/young adults. Imagin...
General | 👁 3 | 2 weeks agoFocal subchondral bone necrosis leading to cartilage instability. Common site: lateral aspect of medial femoral condyle. Clinical: pain, swelling, catching, locking in adolescents....
General | 👁 6 | 2 weeks agoCartilage defects cause pain, swelling, mechanical symptoms; poor intrinsic healing. ACI: two-stage procedure — harvest cartilage → culture chondrocytes → reimplant under periostea...
General | 👁 4 | 2 weeks agoAvulsion of flexor digitorum profundus (FDP) tendon from distal phalanx. Mechanism: forced extension of DIP during active flexion (grabbing opponent’s jersey). Clinical: inability...
General | 👁 5 | 2 weeks agoFlexion of PIP joint with hyperextension of DIP joint. Caused by central slip rupture of extensor tendon at PIP. Mechanism: forceful blow, RA, laceration. Clinical: inability to ex...
General | 👁 6 | 2 weeks agoHyperextension of PIP with flexion of DIP joint. Caused by RA (most common), trauma, chronic mallet finger, spasticity. Clinical: finger looks like swan neck, loss of grip strength...
General | 👁 3 | 2 weeks agoFibroproliferative disorder of palmar fascia causing fixed flexion deformity of fingers. Risk factors: male, >40 years, northern European descent, diabetes, alcoholism, smoking. Co...
General | 👁 4 | 2 weeks agoInjury to ulnar collateral ligament (UCL) of thumb MCP joint. Mechanism: valgus stress from fall on abducted thumb (ski pole). Clinical: pain, swelling, instability at MCP; Stener...
General | 👁 3 | 2 weeks agoMenisci are fibrocartilaginous structures aiding load transmission, stability, and lubrication. Types: longitudinal, horizontal, radial, flap, bucket handle, complex. Clinical: joi...
General | 👁 7 | 2 weeks agoMost common carpal instability; due to disruption of scapholunate ligament. Clinical: wrist pain, weakness, clicking; positive Watson’s test. Radiology: gap >3 mm (‘Terry Thomas si...
General | 👁 3 | 2 weeks agoAvascular necrosis of lunate; affects young adults, more in men. Risk factors: negative ulnar variance, trauma, vascular anomalies. Lichtman staging I–IV guides management. Symptom...
General | 👁 3 | 2 weeks agoAvulsion of extensor tendon at DIP joint; may involve bony fragment. Mechanism: sudden forced flexion of extended DIP (e.g., ball injury). Clinical: inability to extend DIP; distal...
General | 👁 3 | 2 weeks ago