Loosers zone are seen in which of the following conditions ?
Correct Answer: Osteomalacia
Description: Ans. is 'b' i.e., Osteomalacia Loosers zones/pseudofractureo These may be defined as areas of unmineralized bone that are typically seen at sites of mechanical stress (incomplete stress fractures) or at sites of nutrient vessel pulsationso Typical features include:-i) Narrow radiolucent bands (2-3mm) lying perpendicular to cortex (Right angle to cortex)ii) Usually Bilateraliii) Usually symmetricaliv) At a later stage sclerosis develops around these lesions mature them more prominentConditions where Milkman's fracture may be seeno Ricketso Osteomalacia(most characteristic)o Fibrous dysplasiao Renal osteodystrophyo Paget's diseaseCommon locationso Scapulao Medial femoral neck & shafto Pubic & Ischial ramio Lesser trochantero Ribs & clavicleo Proximal ulna & radiuso Phalanges, metacarpals & metatarsals
Category:
Orthopaedics
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