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Radquarters

Radiology education. Simplified.

    • Lectures & Board Review
      • Thoracic Imaging
      • Ultrasound
      • Vascular Imaging
      • MSK Imaging
      • Head & Neck Imaging
      • Hepatic Imaging
      • Adrenal Imaging
      • Imaging of PID
      • Intro to GU Radiology
    • Follow-Up
      • Adrenal – ACR 2017
        • Algorithm – brief
        • Algorithm – details
      • Gallbladder – SRU 2022
      • Kidneys – ACR 2018
        • CT C-
        • CT C+
        • Cystic mass CT or MRI C-/C+
        • Solid mass CT or MRI C-/C+
        • Mass containing fat
        • *Algorithms – detail
        • Bosniak classification
        • *Bosniak 2019 Update with MRI – Radiology
      • Liver – ACR 2017
        • Algorithm – brief
        • Algorithm – details
        • Patient risk factors
      • Lymph nodes (abdomen) – ACR 2013
        • Algorithm
      • Ovaries
        • O-RADS US v2022
        • O-RADS MRI
        • Adnexal Masses (CT/MRI) – ACR 2020
      • Pancreas – ACR 2017
        • <0.5 cm
        • ≥0.5 cm, <1.5 cm
        • 1.5-2.5 cm yes MPD
        • 1.5-2.5 cm no MPD
        • >2.5 cm
        • ≥80 years
      • Pulmonary nodules – Fleischner 2017
      • Spleen – ACR 2013
        • Algorithm
      • Testicular Microlithiasis – AJR 2016
      • Thoracic CT – ACR 2018
        • Mediastinal LN
        • Mediastinal mass
        • Pericardial abnormality
        • *Algorithms – Details
        • Thoracic aortic aneurysm
        • Coronary artery Ca++
        • Pulmonary artery dilation
      • Thyroid
        • Thyroid (US) – ACR TI-RADS 2017
          • Algorithm
          • TI-RADS key points
        • Thyroid (CT/MRI) – ACR 2015
      • Vascular (AAA & Abdomen) – ACR 2013
        • Abdominal Aortic Aneurysm
        • Penetrating Aortic Ulcer
        • Iliac Artery Aneurysm
        • Splenic Artery Aneurysm
        • Renal Artery Aneurysm
      • Vascular (Pelvic Congestion Syndrome CT/MRI) – ACR 2017
      • Vascular (AAA) – SVS 2018
        • Surveillance Algorithm
    • I-RADS
      • C-RADS (CT Colonography)
      • LI-RADS (Liver)
      • Lung-RADS
      • NI-RADS (Head & Neck)
      • O-RADS (Ovarian-Adnexal)
      • PI-RADS (Prostate)
      • TI-RADS (Thyroid)
    • Anatomy
      • MSK
        • Freitas MSK MRI Anatomy
        • Stanford MSK MRI Atlas
        • Ultrasoundpaedia US MSK Anatomy
        • Radsource Hip Bursae
        • UCSD Normal MSK X-Ray By Age
      • General MRI Anatomy
      • Neuroanatomy
        • Neck
        • Skull Base
        • Temporal Bone
        • Sinus
    • US Resources
      • AIUM Practice Parameters
      • SRU Consensus Conferences
      • SRU Consensus – 1st Trimester US
        • SRU Consensus – Aunt Minnie
        • SRU Consensus – Radiographics
      • Jacobson – MSK US
      • ESSR – MSK US protocols
      • MSK Core Lecture Series – MSK US
      • International Contrast Ultrasound Society
      • UltrasoundCases.Info
    • Calculate
      • TI-RADS Calculator (Cheng)
      • TI-RADS Calculator
      • Thyroid Nodule Volume Calculator (ATA)
      • Adrenal CT Washout Calculator
      • Adrenal MRI Calculator
      • Hepatic steatosis MRI calculator
      • % Change Calculator
      • General volume calculator
      • Prostate volume calculator
      • ADPKD Volume Calculator (Mayo)
      • RadStage
    • Scales & Grading
      • AAST Injury Scoring Scale
      • Pedi Measurements – OHSU
      • Pedi Measurements – Radiology Assistant
      • Hydronephrosis – SFU Grading
      • Hydronephrosis – UTD Grading
      • SAR Disease Focused Panels
    • Articles
      • Chest
        • Chest – ILD
        • Chest – Cardiovascular
        • Chest – Miscellaneous
      • Contrast
        • FAQs
        • ACR Manual Contrast Media
        • CTISUS
      • GI
        • GI – Bowel
        • GI – Anorectal Staging
        • GI – Fluoroscopy
        • GI – Liver
        • GI – Biliary
        • GI – Spleen
        • GI – Pancreas
      • GU
        • GU – Adrenal
        • GU – Infection
        • GU – Renal Masses
        • GU – Trauma
        • GU – Collecting Systems, Ureters & Bladder
        • GU – Urethra
        • GU – Transplant
        • GU – Scrotum
        • GU – Prostate
      • GYN
        • GYN – Adnexa
        • GYN – Uterus
        • GYN – Pelvic Floor
        • GYN – Miscellaneous
      • MSK
        • MSK – Shoulder
        • MSK – Hip
        • MSK – Knee
        • MSK – Foot & Ankle
        • MSK – Miscellaneous
      • Neuro
        • Neuro – Brain
        • Neuro – Head & Neck
        • Neuro – Spine
      • Pediatrics
      • Physics (Body MRI)
      • Vascular
    Radquarters

    NI-RADS (Head & Neck)

    • ACR: General
    • ACR: White Paper
    • Click to print (Opens in new window) Print
    • I-RADS

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