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Handbook of MRI Technique. Catherine Westbrook
Читать онлайн.Название Handbook of MRI Technique
Год выпуска 0
isbn 9781119759461
Автор произведения Catherine Westbrook
Жанр Медицина
Издательство John Wiley & Sons Limited
Source: Catherine Westbrook and John Talbot, MRI in Practice, 5th ed., John Wiley & Sons, 2019.
1.5 T | 3T | |||
---|---|---|---|---|
CSE | CSE | |||
Short TE | Minimum–30 ms | Short TE | Minimum–15 ms | |
Long TE | 70 ms+ | Long TE | 70 ms+ | |
Short TR | 300–700 ms | Short TR | 400–800 ms | |
Long TR | 2000 ms+ | Long TR | 2500 ms+ | |
FSE/TSE | FSE/TSE | |||
Short TE | Minimum – 20 ms | Short TE | Minimum–15 ms | |
Long TE | 90 ms+ | Long TE | 90 ms+ | |
Short TR | 400–600 ms | Short TR | 400–600 ms | |
Long TR | 4000 ms+ | Long TR | 4000 ms+ | |
Short ETL/TF | 2–6 | Short ETL/TF | 2–6 | |
Long ETL/TF | 20+ | Long ETL/TF | 20+ | |
IR T1 | IR T1 | |||
Short TE | Minimum–20 ms | Short TE | Minimum–20 ms | |
Long TR | 3000 ms+ | Long TR | 3500 ms+ | |
TI | Short or null time of tissue | TI | Short or null time of tissue | |
Short ETL/TF | 2–6 | Short ETL/TF | 2–6 | |
STIR | STIR | |||
Long TE | 60 ms+ | Long TE | 60 ms+ | |
Long TR | 3000 ms+ | Long TR | 3000 ms+ | |
Short TI | 100–175 ms | Short TI | 210 ms | |
Long ETL/TF | 20+ | Long ETL/TF | 20+ | |
FLAIR | FLAIR | |||
Long TE | 80 ms+ | Long TE | 80 ms+ | |
Long TR | At least 4× TI | Long TR | At least 4× TI | |
Long TI | 1700–2500 ms | Long TI | 1700–2500 ms | |
Long ETL/TF | 20+ | Long ETL/TF | 20+ | |
Rewound GRE | Rewound GRE | |||
Long TE | 10–15 ms | Long TE | 10–15 ms | |
Short TR | <50 ms | Short TR | <50 ms | |
Flip angle | 30° to 45° | Flip angle | 30° to 45° | |
Spoiled GRE | Spoiled GRE | |||
Short TE | Minimum | Short TE | Minimum | |
Short TR | <50 ms | Short TR | <50 ms | |
Flip angle | 30° to 45° | Flip angle | 30° to 45° |