Fichas
Nucs, MQSA, & Misc Trivia

Fichas del conjunto (117)
- 1Tc 99Synthesis: Generator
Decay: Internal conversion
Emit: Gamma photon
Half life: 6 hr
Energy: 140 - 2I 123Synthesis: Cyclotron
Decay: Electron capture
Emit: Photon
Half life: 13 hr
Energy: 159 - 3I 131Synthesis: Fission
Decay: Beta minus
Emit: Beta (some gamma)
Half life: 8 days
Energy: 364 - 4Ga 67Synthesis: Cyclotron
Decay: Electron capture
Emit: Photon
Half life: 78 hr
Energy: 90, 190, 290, 390 - 5In 111Synthesis: Cyclotron
Decay: Electron capture
Emit: Photon
Half life: 67 hr
Energy: 173, 247 - 6Tl 201Synthesis: Cyclotron
Decay: Electron capture
Emit: Photon
Half life: 73 hr
Energy: 69, 81
Critical organ: kidneys - 7Xe 133Synthesis: Fission
Decay: Beta minus
Emit: Gamma (some beta)
Half life: 5.3 d
Energy: 81
Critical organ: trachea - 8C 11Synthesis: Cyclotron
Decay: Annihilation
Emit: Positron
Half life: 20 min
Energy: 512 - 9N 13Synthesis: Cyclotron
Decay: Annihilation
Emit: Positron
Half life: 10 min
Energy: 512 - 10O 15Synthesis: Cyclotron
Decay: Annihilation
Emit: Positron
Half life: 2 min
Energy: 512 - 11F 18Synthesis: Cyclotron
Decay: Annihilation. Election capture.
Emit: Positron
Half life: 110 min
Energy: 512 - 12Ru 82Synthesis: Generator
Decay: Annihilation
Emit: Positron
Half life: 1 min
Energy: 512 - 13Radionuclide Purity0.15 uCi Mo per 1 mCi Tc
Dose calibrator - 14Radiochemical Purity< 5% free Tc (some say < 10%)
Thin layer chromatography - 15Chemical Purity< 10 ug Al per 1 mL Tc
Paper colorimetry (pH paper) - 16Nuclear Spills Major if > x1 mCi - I 131
10 mCi - Ga 67, In 111, I 123
100 mCi Tc 99, Tl 201 - 17MEN 1Pituitary adenoma
Pancreatic islet cell
Parathyroid adenoma/carcinoma - 18Men IIaPheochromocytoma
Medullary thyroid cancer
Parathyroid hyperplasia - 19Men IIbPheochromocytoma
Medullary thyroid cancer
Marfanoid habitus
Ganglioneuromas (mucosal) - 20VHLRenal cell carcinoma
Angiomyolipoma
Pheochromocytoma
Pancreatic cysts and cystic tumors
Liver cysts
Hemangioblastoma - 21Tuberous SclerosisCortical tubers
Subependymal nodules
Subependymal giant cell astrocytomas
Angiomyolipoma
Renal cell carcinoma
Lymphangioleiomyomatosis
Cardiac rhabdomyomas - 22NF 1Plexiform neurofibroma
Optic nerve glioma
Sphenoid wing dysplasia - 23—NaF 18
Sharp bones
- 24—FDG

- 25—Ga 67
Lacrimal glands
Fuzzy PET
- 26—Tc HDP/MDP
Fuzzy bones
- 27—I 123
Sharp thyroid
Glands, GI, GU, nasopharynx
- 28—I 131
Fuzzy thyroid
Glands, oral cavity, liver, bowel, bladder
- 29—MIBG
Myocardium, liver, salivary gland, thyroid
Bone = abnormal
- 30—Tc Sestamibi
Glands, thyroid, heart, liver
Critical organ: gallbladder
- 31—Octreoscan In 111
Liver, spleen, kidneys
- 32—Tc sulfur colloid
Liver > spleen
Critical organ: liver
FNH +; adenoma -; hemangioma -
- 33—Tc pertechnetate
Glands, thyroid, stomach, breast
Critical organ: colon
- 34—In 111 WBC
Spleen > liver
Critical organ: spleen
- 35—PSMA F 18
Lacrimal glands, salivary, liver, spleen, kidneys, bowel
- 36—DOTA Ga 68
Pituitary, uncinate, liver, spleen, GU
- 37—DTPA In 111
Normal
- 38—HMPAO Tc 99

- 39—FDG

- 40—DTPA In 111
Brain death
- 41—HMPAO Tc 99
Interictal
- 42—DTPA In 111
Cisternogram
Normal
- 43—DTPA In 111
Cisternogram
NPH (in vents)
- 44—FDG
Normal
- 45—Florbetapir F 18
Normal white matter uptake
No gray matter uptake to suggest plaque
- 46—DAT scan - Ioflupane I 123
Normal comma shaped caudate
Absence = Parkinson
- 47—Florbetapir F 18
Alzheimer
Loss of gray white
Abnormal uptake in gray matter
- 48—FDG F 18
Alzheimer
Posterior cingulate
Temporo-parietal
Spares motor strip
Spares visual cortex
- 49—FDG F 18
Pick's
Frontotemporal
- 50—FDG F 18
Lewy Body
Does not spare occipital
- 51—Uniformity
Intrinsic (collimator off)
Extrinsic (collimator on)
Co 57
Daily
- 52—Spatial resolution & Linearity
Weekly
- 53—Energy spectrum
Daily or automatic with each use
- 54—Jaszczak phantom
Spatial resolution & Linearity
Weekly
- 55—Energy resolution & linearity
Annually
- 56—Center of rotation test
Monthly
- 57MQSA: - Education hours - CME - CME for new modality - Case volume as trainee - Case volume in practiceEducation - 60 hours
CME - 15 credits in 3 years
New modality - 8 credits
Cases - 240 w/in 6 months, 2 yr prior to graduating
Continue in practice - 960 in 2 yrs - 58MQSA Audit Frequency12 month
- 59MQSA QC: ProcessorDaily
- 60MQSA: Darkroom cleanlinessDaily
- 61MQSA QC: Phantom evaluationWeekly
- 62MQSA QC: Viewbox conditionsWeekly
- 63MQSA QC: Repeat analysisQuarterly
- 64MQSA QC: Screen film contactSemi-annually
- 65MQSA QC: Darkroom fogSemi-annually
- 66MQSA QC: Compression testSemi-annually
- 67—Breast QC
Density difference & background density
Background must be < 0.2 OD of baseline
Density diff must be < 0.05 OD of baseline
- 68MQSA phantom, how many: - Fibers - Speck groups - Masses2018 MQSA says:
>= 2 fibers
>= 3 speck groups
>= 2 masses
- 69—Spatial resolution test
(breast)
> 11 or 13 line pairs per mm
- 70MQSA Audit: Cancers detected (per 1,000)> 2.5
- 71MQSA Audit: Recall rate5-12%
- 72MQSA Audit. Define: - PPV1 - PPV2 - PPV3- PPV1: #cancer/#recall
- PPV2: #cancer/#biopsies recommended
- PPV3: #cancer/#biopsies performed - 73MQSA Audit: PPV13-8%
PPV1 = # cancer / # recalls - 74MQSA Audit: PPV2Screening: 15-40%
Palpable lump: 25-50%
PPV2 = #cancer / #biopsies recommended - 75MQSA Audit: PPV3Screening: 20-45%
Palpable lump: 30-55%
PPV3 = #cancer / #biopsies performed - 76MQSA: Notify pts of results in ___ days. If suspicious, then ___ days.30 days. 5 days.
- 77MQSA: Mammograms must be retained for how long?5 years (default)
OR
10 years if no priors - 78Occupational Max Radiation Dose: Whole body50 mSv = 5,000 mrem
- 79Occupational Max Radiation Dose: Eye lens150 mSv = 15,000 mrem
- 80Occupational Max Radiation Dose: Extremity500 mSv = 50,000 mrem
- 81Occupational Max Radiation Dose: Pregnant5 mSv from declaration date
- 82Max Radiation Dose: Member of public1 mSv = 100 mrem per year
- 83Radiation Deterministic Effect: Transient erythema3-6 Gy
- 84Radiation Deterministic Effect: Epilation (hair loss)4 Gy
- 85Radiation Deterministic Effect: Cataract0.5 Gy (new number)
5 Gy (old literature) - 86Radiation Deterministic Effect: Sterility3.5 Gy (male), 2.5 Gy (female)
- 87Radiation Deterministic Effect: Bone marrow suppression0.5 Gy
- 88Radiation Deterministic Effect: Cognitive effects1-2 Gy (adult), 0.1-0.2 Gy (infant)
- 89Radiation Deterministic Effect: Lethal dose5 Gy
- 90Radiation Stochastic Effect: Excess relative risk of cancer (% per Sv)4-5% per Sv in adults
5.5-6.0% per Sv all comers - 91Radiation Stochastic Effect: 1) Fetus threshold 2) Effect by weeks1) > 100 m Gy
2) - weeks 0-2 = death
- weeks 3-8 = organogenesis problems
- weeks 8 - 15= cognitive problems - 92I 123 Thyroid 24 hr Uptake: - Normal range - Graves rangeNormal 10-30%
Graves 40-70% - 93I 131 Dose: Graves Multinodular goiter Post-surgical thyroid remnant MetastasisGraves 10 - 15 mCi
Goiter 20 - 30 mCi
Thyroid remnant 75 - 150 mCi
Metastasis 200 mCi - 94After I 131, send patient home when:- If dose < 33 mCi
- Pt < 7 mrem/hr at 1 meter
- Dose to family < 500 mrem - 95VQ perfusion scan - Number beads - Size beads - Decrease dose for these populationsNormal: 200,000-600,000 beads
100,000-200,000 if infant, R->L shunt, pregnant, or pulm HTN
Size 30 - 50 um - 96—Tc 99 RBC scan
Sensitivity 0.2 mL/min (0.04 in some studies)
Critical organ: colon & heart
- 97—Meckel Scan
Tc pertechnetate
Critical organ: thyroid
- 98HIDA (DISIDA) CCK (sincalide) dose0.02 mcg/kg over 15 - 60 min
- 99HIDA (DISIDA) morphine dose0.04 mg/kg (over 3 min)
- 100HIDA (DISIDA) phenobarbital dose5 mg/kg/day for 5 days
- 101Gallbladder EF < ___ = chronic cholecystitis / biliary dyskinesia35%
- 102Gastric emptying: Delayed if ___ residual at 1 hr or ____ at 4 hr90%, 10%
- 103Diuretic renography. Lasix dose?40 mg
- 104Renograph for obstruction. Normal half time? Abnormal half time?< 10 min = normal
10 - 20 min = indeterminate
> 20 min = obstruction
(somewhat related, normal time to peak is 3-5 min) - 105Radiation dose limit for unrestricted area2 mrem/hr = 0.02 mSv/hr
- 106Surface dose limit? 1 meter?I
- surface 0.5 mrem/hr (5 uSv)
II
- surface 50 mrem/hr (0.5 mSv)
- 1 meter 10 mrem/hr (0.1 mSv)
III
- surface 200 mrem/hr (2 mSv)
- 1 meter 10 mrem/hr (0.1 mSv)
- 107Fission produced radioisotopesI 131, Xe 133, (Mo 99)
- 108Cyclotron produced radioisotopesI 123, F 18, Ga 67, In 111, Tl 201, Mo 99
- 109Nuclear gastroesophageal reflux study threshold> 4% is abnormal
Tc sulfur colloid study - 110Mammogram anode/target k-edge: - Molybdenum - Rhodium - Tungsten (Iodine, silver, and barium for fun)Molybdenum 20 keV
Rhodium 23
Tungsten 70
(Iodine 33, Silver 25, Barium 37) - 111Fluoro: leakage from x-ray tube housing must be less than...1 mGy/h at 1 m
- 112Sentinel event = _____ unintended cumulative dose (according to Joint Commission)15 Gy
= root cause analysis
&
Joint Commission inspector visit - 113Fluoro: max entrance air kerma (according to FDA)100 mGy/min
- 114Gamma camera QC tests and timing- Extrinsic uniformity (daily)
- Photopeaking (daily)
- Intrinsic uniformity (weekly)
- Bar phantom (weekly)
- Center of rotation (monthly)
- Jascszak phantom (quarterly) - 115Dose calibrator tests and timingCLAG
- Constancy (daily)
- Linearity (quarterly)
- Accuracy (annually)
- Geometry (at installation/repair) - 116K space (contrast vs sharpness): - Central = - Peripheral =Central = contrast
Peripheral = sharpness - 117Radiation deterministic effects: - Erythema - Epilation - Desquamation - Atrophy/necrosis- Erythema 2-5 Gy
- Epilation 5-10 Gy
- Desquamation 10-15 Gy
- Atrophy/necrosis >15 Gy
Información
- Descripción
- Fichas sobre Nucs, MQSA, & Misc Trivia, creado por the saggiest el 16/01/2021.
- Creado por
- the saggiest
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