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Ultrasonography of the Eye and Orbit.
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Otros Autores: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Philadelphia :
Wolters Kluwer Health,
2005.
|
| Edición: | 2nd ed. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Ultrasonography of the Eye and Orbit; PREFACE; CONTENTS; 1 Physics of Ultrasound; GENERATION AND DETECTION OF ULTRASOUND; PROPAGATION OF ULTRASOUND; REFLECTION AND SCATTERING OF ULTRASOUND; ATTENUATION OF ULTRASOUND; REFRACTION OF ULTRASOUND; AXIAL RESOLUTION; LATERAL RESOLUTION; COMPOSITE RESOLUTION; BIOLOGIC EFFECTS OF HIGH-INTENSITY ULTRASOUND; FDA EXPOSURE INDICES; MEASUREMENT OF ULTRASONIC BEAM PARAMETERS; 2 Ultrasonic Systems; SYSTEM COMPONENTS; PROBE; SERVO; PULSER; RECEIVER; SCAN CONVERTER AND DISPLAY; BANDWIDTH; A-MODE SYSTEMS; B-MODE SYSTEMS; B-MODE IMAGE GENERATION; SCAN PATTERNS.
- B-MODE IMAGE QUALITYREAL-TIME IMAGING; B-MODE ARTIFACTS; DIGITAL IMAGE PROCESSING; THREE-DIMENSIONAL IMAGING; VERY HIGH FREQUENCY ULTRASOUND/ULTRASOUND BIOMICROSCOPY; M-MODE; SWEPT-MODE; LINEAR ARRAY SYSTEMS; OTHER SCAN MODES; DOPPLER MODES; TISSUE HARMONIC IMAGING; SPECTRAL PARAMETER IMAGING; 3 Ocular Diagnosis; HISTORICAL BACKGROUND; OCULAR DIAGNOSTIC TECHNIQUES; Synopsis; DIAGNOSTIC PARAMETERS; TYPES OF DIAGNOSTIC INFORMATION; Synopsis; INDICATIONS FOR OCULAR ULTRASOUND; THE NORMAL EYE; A-SCAN ULTRASONOGRAPHY; B-SCAN ULTRASONOGRAPHY; ARTIFACTS ENCOUNTERED IN OCULAR ULTRASONOGRAPHY.
- ELECTRONIC ARTIFACTSREDUPLICATION ECHOES; REFRACTION ARTIFACTS; ABSORPTION EFFECTS (SHADOWING); ABNORMALITIES OF OCULAR SIZE AND SHAPE; ANAMORPHIC DISPLAY; VERY HIGH FREQUENCY ULTRASOUND AND ULTRASOUND BIOMICROSCOPY; ANTERIOR SEGMENT ABNORMALITIES; Synopsis; CORNEA; ANTERIOR SEGMENT ULTRASOUND; ANTERIOR CHAMBER DEPTH; POSTERIOR SEGMENT ULTRASOUND; Synopsis; EXTENT AND DENSITY OF VITREOUS HEMORRHAGE; LOCATION AND SOURCE OF VITREOUS HEMORRHAGE; VITREOUS VEILS (MEMBRANES); PROLIFERATIVE DIABETIC RETINOPATHY WITH VITREOUS HEMORRHAGE; MISCELLANEOUS VITREOUS ABNORMALITIES.
- ULTRASONOGRAPHY AND VITREOUS SURGERYRETINAL ABNORMALITIES; POSTOPERATIVE SITUATIONS; POSTOPERATIVE EVALUATION OF THE VITREOUS SUBSTITUTE; UVEAL TRACT ULTRASOUND AND TUMORS; OCULAR TUMORS; OCULAR TRAUMA; Synopsis; NEWER IMAGING MODES; Synopsis; 4 Very High Frequency DigitalUltrasound Scanning in LASIKand Phakic Intraocular Lenses; ARTEMIS TECHNOLOGY; CLINICAL USE; PREOPERATIVE ASSESSMENT; POSTOPERATIVE ASSESSMENT: TRUE DIAGNOSIS AFTER LASIK AND OPTIMAL TREATMENT PLANNING WITH ARTEMIS TECHNOLOGY; A NOTE ON PHAKIC INTRAOCULAR LENS SURGERY; CONCLUSION; 5 Orbital Diagnosis; TECHNIQUES.
- Diagnostic parameterstypes of diagnostic information; indications for orbital ultrasound; b-scan; horizontal scan plane throughthe optic nerve; horizontal scan plane above or below the optic nerve; vertical and meridional scan planes; variations with positions of gaze; variations with age; extraocular muscles and orbital wall; frequency-related variation; artifacts encountered in orbital ultrasonography; reduplication artifacts; absorption defects; general classification of orbital abnormality; mass lesions; inflammatory and congestive changes; orbital tumors; acoustically "cystic" tumors.