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  • Data from Head and Neck Cancer CT Atlas (Head-Neck-CT-Atlas)
Data CategoryDescription
SUBJECT_IDPatient ID number randomly assigned to each patient prior to anonymizing the DICOM PHI tag (0010,0020)
SexPatient sex, male or female
AgePatient age, years
Date of BirthDate of birth, redacted
DiagCancer diagnosis.
SitePrimary cancer subsite. CUP = cancer of unknown primary
HistologyCancer histopathology. SCC=squamous cell carcinoma
GradeHistopathologic grade.
TAJCC 7th edition T stage
NAJCC 7th edition N stage
MAJCC 7th edition M stage
StageAJCC 7th edition summary stage
HPV statusResults of ISH testing for high risk HPV. Blank cell indicates no data available.
Date of DiagnosisDate of cancer diagnosis, with date offset applied
Last Contact DateMost recent date of contact at which clinical outcomes were updated, with date offset applied.
Follow up duration (day)Duration of follow up from diagnosis to last contact date in days.
Follow up duration (year)Duration of follow up from diagnosis to last contact date in years.
Follow up duration (month)Duration of follow up from diagnosis to last contact date in months.
Date of DeathDate of death, with date offset applied
Survival (months)Overall survival in months from diagnosis to death or last contact date, if still alive
Alive or DeadBinary indicator of vital status at last contact date.
Cause of DeathCause of death (if applicable)
Date of recurrenceDate of cancer recurrence (if applicable) or last contact date, with date offset applied.
Disease-free interval (months)Duration, in months, between RT completion and disease recurrence.
Site of recurrence (Distal/Local/ Locoregional)Site of recurrence, coded as local (within or adjacent to primary tumor), locoregional (includes local or regional nodal recurrence), or distal (metastatic to distal organs or non-regional lymph nodes)
Overall Survival CensorOverall survival Kaplan-Meier censor code: 0=censored; 1=event
Disease Specific Survival CensorDisease specific survival Kaplan-Meier censor code: 0=censored; 1=event
Loco-regional Control CensorLoco-regional Control Kaplan-Meier censor code: 0=censored; 1=event
Oncologic Treatment SummarySummary of oncologic treatment administered to patient. List indicates sequence of treatments. CCRT=concurrent chemoradiotherapy, ERT=external beam radiotherapy, CMT=chemotherapy
Induction ChemotherapySummary of induction chemotherapy schema
Chemotherapy RegimenConcurrent chemotherapy regimen used during radiotherapy.
Platinum-based chemotherapyWhether the patient receved platinum-based chemotherapy during treatment (inclusive of induction, concurrent, or adjuvant)
Received Concurrent Chemoradiotherapy?Yes=received concurrent chemoradiotherapy, No=did not receive concurrent chemoradiotherapy
CCRT Chemotherapy RegimenChemotherapy regimen used during CCRT
Surgery SummaryDescription of surgical treatment applied.
RT Total Dose (Gy)Total RT dose delivered during radiotherapy.
Dose/Fraction (Gy/fx)Dose delivered to prescription target volume (gross disease or post-operative tumor bed)
Number of FractionsNumber of RT fractions delivered.
Unplanned Additional Oncologic TreatmentDescription of any unplanned oncologic treatment that followed intial treatment schema.
Smoking HistorySmoking history coded: 0=never smoker, 1= fewer than 10 pack-years, 2= 10 or more pack-years
Current SmokerCurrent smoker: 0=no, 1=yes
Received Feeding Tube (Y/N)Receipt of feeding tube during RT
Type of feeding tubeType of feeding tube placed.
Date Feeding tube placedDate feeding tube was placed, with date offset applied.
Date Feeding tube removedDate feeding tube was removed, with date offset applied.
Feeding tube duration (months)Duration, in months, between placement and removal of feeding tube.
Feeding tube noteFree entry field with notes related to feeding tube placement or removal.
Height (cm)Patient height, in centimeters
BW Start tx (kg)Patient body mass at the start of radiotherapy, in kilograms
BW stop treat (kg)Patient body mass at the completion of radiotherapy, in kilograms
Height (m)Patient height, in meters
BMI start treat (kg/m2)Patient BMI at the start of radiotherapy.
BMI stop treat (kg/m2)Patient BMI t the completion of radiotherapy.
Date Start RTDate of first radiotherapy fraction, with date offset applied
Date Stop RTDate of final radiotherapy fraction, with date offset applied.
Total RT treatment time (days)Total number of days from RT start to completion
Time between pre and post image (months)Interval, in months, between pre-RT PET/CT and post-RT PET/CT used to determine body composition
Time from preRT image to start RT (month)Interval, in months, between pre-RT PET/CT and RT start date
Time from RT stop to follow up imaging (months)Interval, in months, between RT completion and post-RT PET/CT
Pre-RT L3 Skeletal Muscle Cross Sectional Area (cm2)Skeletal muscle cross sectional area at the L3 level calculated from pre-RT PET/CT imaging
Post-RT L3 Skeletal Muscle Cross Sectional Area (cm2)Skeletal muscle cross sectional area at the L3 level calculated from post-RT PET/CT imaging
Pre-RT L3 Adipose Tissue Cross Sectional Area (cm2)Adipose tissue cross sectional area (in cm2) at the L3 level calculated from pre-RT PET/CT imaging
Post-RT L3 Adipose Tissue Cross Sectional Area (cm2)Adipose tissue cross sectional area (in cm2) at the L3 level calculated from post-RT PET/CT imaging
Pre-RT L3 Skeletal Muscle Index (cm2/m2)Skeletal muscle index, in cm2/m2, calculated by dividing pre-RT skeletal muscle cross-sectional area by the square of patient height, in meters
Post-RT L3 Skeletal Muscle Index (cm2/m2)Skeletal muscle index, in cm2/m2, calculated by dividing post-RT skeletal muscle cross-sectional area by the square of patient height, in meters
Pre-RT L3 Adiposity Index (cm2/m2)Adipose tissue index, in cm2/m2, calculated by dividing pre-RT skeletal muscle cross-sectional area by the square of patient height, in meters
Post-RT L3 Adiposity Index (cm2/m2)Adipose tissue index, in cm2/m2, calculated by dividing post-RT skeletal muscle cross-sectional area by the square of patient height, in meters
Pre-RT CT-derived lean body mass (kg)Lean body mass, in kilograms, calculated based on pre-RT CT imaging using the formulae of Mourtzakis, et al.
Post-RT CT-derived lean body mass (kg)Lean body mass, in kilograms, calculated based on post-RT CT imaging using the formulae of Mourtzakis, et al.
Pre-RT CT-derived fat body mass (kg)Fat mass, in kilograms, calculated based on pre-RT CT imaging using the formulae of Mourtzakis, et al.
Post-RT CT-derived fat body mass (kg)Fat mass, in kilograms, calculated based on post-RT CT imaging using the formulae of Mourtzakis, et al.
PreRT Skeletal Muscle statusSkeletal muscle status, dichotomized as depleted vs non-depleted, based on skeletal muscle index calculated from pre-RT imaging
PostRT Skeletal Muscle statusSkeletal muscle status, dichotomized as depleted vs non-depleted, based on skeletal muscle index calculated from post-RT imaging
Pre-RT Imaging DateDate of pre-RT diagnostic imaging, with date offset applied
Pre-RT Imaging ModalityModality of pre-RT diagnostic imaging
CT sim dateDate of RT treatment planning simulation scan, with date offset applied
post-RT imaging dateDate of post-RT diagnostic imaging (used for body composition analysis), with date offset applied. May precede or follow or function as recurrence diagnostic imaging.
post-RT imaging modalityModality of post-RT diagnostic imaging
Recurrence imaging dateDate of imaging used to confirm or diagnose recurrence/metastasis, with date offset applied
Recurrence imaging modalityModality of imaging used to confirm or diagnose recurrence/metastasis
Additional imaging dateDate of additional imaging included in collection, with date offset applied
Additional imaging modalityModality of additional imaging included in collection
Additional imaging notesNotes regarding inclusion of additional imaging