RADD 2711 Lecture 2 Summer 2011

RADD 2711 Lecture 2 Summer 2011 - ROENTGEN SIGNS OF BONE...

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ROENTGEN ROENTGEN SIGNS OF BONE SIGNS OF BONE DISEASE DISEASE
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CATEGORIES OF BONE CATEGORIES OF BONE DISEASES DISEASES C.A.T.B.I.T.E.S. C - Congenital A - Arthritis T - Trauma B - Blood (hematological) I - Infection T - Tumor E - Endocrine,nutritional,metab S - Soft Tissue
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PRELIMINARY ANALYSIS PRELIMINARY ANALYSIS Clinical Data Remarks Age <20yoa vs >50yoa Sex Predominance, M vs F Race Predisposition History Familial, clinical Number of Lesions Monostotic vs Polyostotic Symmetry of Lesions Equal vs Haphazard Systems Involved Benign vs malignant
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BEHAVIOR OF LESION BEHAVIOR OF LESION 1. Osteolytic Lesion Geographic Motheaten Permeative 2. Osteoblastic Lesion 3. Mixed Lesion
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1a. GEOGRAPHIC LYTIC 1a. GEOGRAPHIC LYTIC LESION LESION Destructive lesion Sharp borders Less aggressive Slow growing, benign Narrow zone of transition
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1a. GEOGRAPHIC LYTIC 1a. GEOGRAPHIC LYTIC LESION LESION
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Geographic vs non- Geographic vs non- geographic? geographic?
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1a. GEOGRAPHIC LYTIC 1a. GEOGRAPHIC LYTIC LESION LESION
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1a. GEOGRAPHIC LYTIC 1a. GEOGRAPHIC LYTIC LESION LESION Examples: Non-ossifying fibroma Eosinophilic granuloma
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Ib. MOTH-EATEN LYTIC Ib. MOTH-EATEN LYTIC LESION LESION Destructive Ragged borders More rapid growth May be malignant 2-5mm diameter
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Ib. MOTH-EATEN LYTIC Ib. MOTH-EATEN LYTIC LESION LESION
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Ib. MOTH-EATEN LYTIC Ib. MOTH-EATEN LYTIC LESION LESION
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Ib. MOTH-EATEN LYTIC Ib. MOTH-EATEN LYTIC LESION LESION Examples: Myeloma Mets Lymphoma Ewing’s sarcoma
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Ic. PERMEATIVE LYTIC Ic. PERMEATIVE LYTIC LESION LESION Ill-defined “worm-holes” Wide zone of transition Implies aggressive malignancy <1mm diameter
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Ic. PERMEATIVE LYTIC Ic. PERMEATIVE LYTIC LESION LESION
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Ic. PERMEATIVE LYTIC Ic. PERMEATIVE LYTIC LESION LESION
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Ic. PERMEATIVE LYTIC Ic. PERMEATIVE LYTIC LESION LESION Examples: Lymphoma Ewing’s sarcoma Myeloma Osteomyelitis Neuroblastoma
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RADD 2711 Lecture 2 Summer 2011 - ROENTGEN SIGNS OF BONE...

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