RADIOGRAPHIC ARTIFACTS

Slides:



Advertisements
Similar presentations
RADIOGRAPHIC GRIDS.
Advertisements

Technical Aspects: the machine the image
بسم الله الرحمن الرحيم Image Critique نقد صورة الاشعّه Lecture No.2.
Ch. 14 Four Radiographic Qualities Ch
IMAGE ARTIFACTS.
Artifact analysis.
X-ray films are generally mad of an emulsion-gelatin containing radiation sensitive silver halide. with a flexible, blue tented base X-ray films are sensitive.
Chapter 19 Radiographic Film.
Advanced Biomedical Imaging Lecture 4 Dr. Azza Helal A. Prof. of Medical Physics Faculty of Medicine Alexandria University.
Radiographic Quality Chapter 5.
Radiographic Film Artifacts n DMI 50B n Kyle Thornton.
4/30/20151 Presenter:Jitendra Thakur Moderator:Mr.Lalit K Gupta B.Sc.MIT(2007) BPKIHS,Dharan.
Radiology Artifacts.
QC/PACS Artifact Identification. Artifact Causes Image receptor/Hardware –Dirty –Foreign material –Failures Software –Algorithm –Enhancements/manipulations.
DARKROOM ,PROCESSING & Artifacts REVIEW
Week 10 a Artifacts.
Technical Artifacts and Errors
RADIOGRAPHIC ARTIFACTS
FILM ARTIFACT,ERROR&FAULT DR SAMY I ALAGHA A.PROFESSOR OF RADIOLOGY ALAZHAR-GAZA UNIVERCITY.
Chapter 19 Screen-Film Image Artifacts Usually TECHNOLOGIST dependant Patient Preparation – Clothes left on (zippers, jewelry, dentures – Positioning errors.
FILM ARTIFACTS.
Chapter 15 Radiographic Intensifying Screens And Cassettes
18 Identifying and Correcting Undiagnostic Radiographs.
RADIOGRAPHIC PROCESSING
X-Ray cassettes 3rd Lecture Alhanouf Alshedi
TIMERS.
Basic quality control tests in medical radiography
Chapter 11 The X-ray Darkroom.
FILM CASSETTES & INTENSIFYING SCREENS WEEK 9
Dental X-Ray Film Processing
Unit 4 Radiographic Exposures Chapters: 32,19,20&22
1 Components of Image Quality & Radiographic Artifacts Radiologic Technology A SPRING 2012.
IMAGE QUALITY REVIEW RT
Dr Mohamed El Safwany, MD.
Processing The Latent Image
FILM PROCESSING GOING BUT NOT OBSOLETE YET. LET’S REVIEW NAME SOME COMPONENTS OF THE STRUCTURE OF THE FILM NAME SOME COMPONENTS OF THE STRUCTURE OF THE.
Components of Image Quality & Radiographic Artifacts Radiologic Technology A Spring 2010 Final Final.
Image Receptor Systems
Components of Image Quality & Radiographic Artifacts
1 Possible Radiographic Errors Radiology. 2 During Exposure Film is bent during set up and exposure Causing distortion Film is bent during set up and.
Computed Radiography (CR), & Digital Radiography (DR) Images
Exposure Factors or Prime Factors
IMAGE QUALITY AND ARTIFACTS 1 2 WHY YOU SEE WHAT YOU SEE… The films or images have different levels of density – different shades of gray X-rays show.
1 ARTIFACTS: AN UNWANTED DENSITY ON THE FILM
Processing the latent Imaging. Processing the Latent Image The processing of the latent image produces the manifest image. The exposed silver ions in.
Image Quality Q&A. RAPHEX Diagnostic Question 2001 D9: The imaging system which is best for visualizing small high contrast objects is: A. Computed tomography.
Quality Assurance in the Dental Office
Analog Imaging III By Professor Stelmark.
FILM CASSETTES & INTENSIFYING SCREENS WEEK 9
Image Receptors Film Construction, Film Handling, Cassette Construction, DarkRoom, Digital Imaging 1.
Film Imaging Lavin: Chapter 5 CTVT: Ronnie’s snood
RAD 354 Chapt. 16 Image QUALITY
Course Title : Image Recording
TECHNICAL ARTIFACTS & ERRORS Lavin: pp CTVT: pp
22 Production and Evaluation of Dental Radiographs.
Analog X-ray Imaging Recommended Book: Walter Huda, REVIEW OF RADIOLOGIC PHYSICS By: Maisa Alhassoun
Troubleshooting Your Photos. Film Exposure problems Problem: Large areas of light or dark tones Possible reasons: Wrong ISO – too low Light meter malfunction.
Exposure Factors or Prime Factors
Image Evaluation Guidelines for Image Analysis Chapter 1.
AJADI ADETOLA DEPARTMENT OF VETERINARY MEDICINE AND SURGERY.
Resident Physics Lectures
Smart Grid Technology -
Processing Radiographs
Resident Physics Lectures
Dark Room Day Light Processing and Film Faults
Artifacts and Errors.
X-RAY FILM.
Moderator : DR.UMA MAHESWARI presentor : dr.a.p.jaganathan
Presentation transcript:

RADIOGRAPHIC ARTIFACTS

TYPES OF ARTIFACTS PROCESSING EXPOSURE HANDLING AND STORAGE

PROCESSING ARTIFACTS HYPORETENTION PI-LINES GUIDE SHOE MARK STATIC ENTRANCE ROLLER MARK CRINKLE MARK FINGER MARKS EMULSION PICK-OFF WATER STAIN

EXPOSURE ARTIFACTS MOTION IMPROPER POSITIONING POOR FILM SCREEN CONTACT DOUBLE EXPOSURE FOREIGN OBJECTS BACK-SCATTER CASSETTE UPSIDE-DOWN BROKEN CASSETTE IMPROPER USE OF GRID

HANDLING & STORAGE ARTIFACTS LIGHT FOG RADIATION FOG STATIC SCRATCHES HYPORETENTION

FILMS STUCK TO EACH OTHER DURING PROCESSING

HYPORETENTION

PI-LINE

GUIDE SHOE MARK

STATIC

STATIC

STATIC

ROLLER MARKS

FINGER MARKS

CRIMPING MARK

SCRATCHES CRIMPING

PICK-OFF

WATER STAIN

WATER STAIN

WATER STAIN

MOTION

POOR FILM SCREN CONTACT

ARTIFACT????

H.T. (High Voltage) CABLES

DOUBLE EXPOSURE

BACKSCATTER OR CASSETTE UPSIDE-DOWN

BACKSCATTER

BACKSCATTER OR CASSETTE UPSIDE-DOWN

WARPED CASSETTE-LIGHT LEAK

TWO FILMS IN THE CASSETTE UNDEREXPOSURE

POWDER

DEODORANT

HAIR BUN

CLOTHES RIBBING

TUBE

JEWELLERY

HEARING AID

LIGHTER IN THE POCKET

SCATTER FOG

SANDBAG

RING ??

AIR IN THE VENTRICLES?

PLASTER

DIRT ON THE SCREEN

PATHOLOGY

FOGGING

GRID CUT-OFF

MOIRE EFFECT

GRID CUT-OFF

GRID LINES

KYPHOSIS-CHIN

STRAP

HAIR BUN