ARRT Radiation Therapy case studies
ARRT Radiation Therapy · Put your knowledge to work in context.
The ARRT Radiation Therapy credential - R.T.(T) - is a national certification and registration offered by the American Registry of Radiologic Technologists for technologists who perform radiation therapy. ARRT describes itself as a leading credentialing organization offering certification and registration across radiologic disciplines, and radiation therapy is listed among its primary credentials. The ARRT Radiation Therapy case studies are 5 cases and about 3,209 words.
1The Mask That Closes In: Anxiety vs. an Airway Problem in Week 2 of Head-and-Neck RT
R, 67, has T3N2b base-of-tongue carcinoma and is receiving 70 Gy/35 fractions with concurrent cisplatin. She completed 8 fractions but today arrives tearful and diaphoretic.
646 words, about 3 min2Pacemaker in the Beam Path: Starting VMAT Before the Physicist Returns
K, 74, has a right upper-lobe NSCLC (T2N2) and a dual-chamber Medtronic pacemaker implanted 3 years ago, last interrogated 6 months ago. The device sits in the right infraclavicular region; the 60 Gy/30-fraction VMAT PTV lies within 2.5 cm of the generator.
607 words, about 3 min3Left Breast Plan Above the Cardiac Constraint: Is DIBH the Right Answer?
L, 54, has stage I left breast cancer after lumpectomy and will receive whole-breast 42.56 Gy/16 fractions plus a 10.64 Gy/4-fraction boost. The free-breathing planning CT gives a mean heart dose of 7.9 Gy and LAD V2Gy of 62%.
617 words, about 3 min4Mid-Course Weight Loss and a Loose Mask: Treat or Hold?
D, 61, has T4N2 oropharyngeal carcinoma and is at fraction 18 of 35 (70 Gy) with concurrent cisplatin. He has lost 8 kg in three weeks (84 to 76 kg) and his mask is visibly loose.
643 words, about 3 min5Patient-Specific IMRT QA Fails at 87%: What Do You Do Before Treating?
A 78 Gy/39-fraction prostate IMRT plan (7 fields, 10 MV) fails patient-specific QA: the 2D detector array gives an 87.4% gamma pass rate at 3%/3 mm with a 10% threshold, below your department's 95% action limit. The ion chamber point measurement in the high-dose region agrees with the TPS within 1.1%.
696 words, about 3 min