Radiology Signs

Short blog posts covering all the important signs in diagnostic radiology. Curated by Dr Andrew Dixon. http://radiologysigns.tumblr.com/
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Andrew Dixon
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Ian Bickle
The cockade sign is a classic appearance of an intraosseous lipoma of the calcaneus which presents as a well-defined lytic lesion with a central calcification resembling a cockade. It is named after a cockade, which is a badge, usually in the form of a rosette or knot, generally worn on the hat. https://radiopaedia.org/articles/cockade-sign-intraosseous-lipoma Leg Xray, Ankle Break, Ankle Cast, Broken Ankle Recovery, Ankle Recovery, Creepy Forest, Ankle Fracture, Calf Cramps, Broken Foot
Leg Xray
Ankle Break
Ankle Cast
Broken Ankle Recovery
Ankle Recovery
Creepy Forest
Ankle Fracture
Calf Cramps
Broken Foot
Intraosseous lipoma and fibular fracture | Radiology Case | Radiopaedia.org
The cockade sign is a classic appearance of an intraosseous lipoma of the calcaneus which presents as a well-defined lytic lesion with a central calcification resembling a cockade. It is named after a cockade, which is a badge, usually in the form of a rosette or knot, generally worn on the hat. https://radiopaedia.org/articles/cockade-sign-intraosseous-lipoma
an x - ray shows the bones of two legs and one leg that is broken
Imagination Images
Medical Images
Dr Ian
Radiology Imaging
Dr Ali
Interventional Radiology
Bone Diseases
Medical School Studying
Med Surg
Ankylosing spondylitis with dagger sign | Radiology Case | Radiopaedia.org
The dagger sign is a radiographic feature seen in ankylosing spondylitis as a single central radiodense line on frontal radiographs related to ossification of supraspinous and interspinous ligaments. https://radiopaedia.org/articles/dagger-sign-spine
an image of some kind of black and white photo
Bone Formation
Pagets Disease
Exercise Back
Differential Diagnosis
Skull Anatomy
Motivation Study
Medical School Motivation
Vertebral Paget disease with picture frame appearance | Radiology Case | Radiopaedia.org
Picture frame vertebral body is a radiologic appearance in which the cortex of the vertebral body is thickened. This sign can be seen in patients with Paget disease. It is a result of disorganised new cortical bone formation after excessive osteoclastic activity causes the resorption of normal bone. Vertebral Paget's disease with picture frame appearance | Radiology Case | Radiopaedia.org
an x - ray image of a person's hand and foot
Xray Pictures
Pediatric Radiology
Jeremy Jones
Mri Brain
College Homework
X Rays
Osteopetrosis - autosomal dominant | Radiology Case | Radiopaedia.org
https://radiopaedia.org/articles/bone-within-a-bone-appearance-1
an x - ray shows the bones and hand
X Ray Hand
Pie Sign
Bone Anatomy
Bone Fracture
Grey Scale
Rad Tech
Lunate dislocation | Radiology Case | Radiopaedia.org
The piece of pie sign refers to an abnormal triangular appearance of the lunate on a PA image of the wrist representing either lunate dislocation or perilunate dislocation 1,2. A lateral image will help differentiate whether there is lunate or perilunate dislocation, with lunate dislocation demonstrating a spilled teacup sign. Lunate dislocation | Radiology Case | Radiopaedia.org
an x - ray image shows the chest and lungs, as well as text on it
Rib Cage Xray
X Ray Positioning
Skull Xray Positioning
Gestational Trophoblastic Disease
X-ray Images Radiology
Ginkgo Leaf
Medical Students
Ginkgo leaf sign of surgical emphysema | Radiology Case | Radiopaedia.org
Ginko leaf of surgical emphysema | Radiology Case | Radiopaedia.org
the ct scan shows an abnormally large area
Wilms Tumor
Human Body Anatomy
The Claw
Central Nervous System
Wilms tumor | Radiology Case | Radiopaedia.org
The claw sign is useful in determining whether a mass arises from a solid structure or is located adjacent to it and distorts the outline. It refers to the sharp angles on either side of the mass, which the surrounding normal parenchyma forms when the mass has arisen from the parenchyma. As such, normal parenchyma extends some way around the mass. https://radiopaedia.org/articles/claw-sign-mass
the ct scan shows an image of a person's head
Doe Tattoo
Anatomy Medical
Informed Consent
Fitness Humor
Diagnostic Imaging
Joubert syndrome | Radiology Case | Radiopaedia.org
Joubert anomaly, also known as vermian aplasia or molar tooth midbrain-hindbrain malformation, is an autosomal recessive disorder where there is a variable degree of cerebellar vermal agenesis. Joubert syndrome (congenital vermian hypoplasia) | Radiology Case | Radiopaedia.org
an mri scan shows the brain and its structures
Med Illustration
Arterial Line
Subclavian Artery
Abdominal Aorta
Ct Scan
Adrenal Glands
The Liver
Multiple abdominal viscera thromboembolic infarcts | Radiology Case | Radiopaedia.org
The cortical rim sign is useful in distinguishing acute pyelonephritis from a segmental renal infarct and is seen on contrast enhanced CT or MRI. This sign seen as a result of cortical necrosis may also be seen in conditions like renal transplant rejection, intravascular haemolysis, shock, and as a consequence of obstetric complication. https://radiopaedia.org/articles/cortical-rim-sign
an x - ray image of a stair case in black and white
Medical Radiography
Radiologic Technologist
Radiology Technologist
3d Jewelry
Ivory vertebra sign | Radiology Case | Radiopaedia.org
Ivory vertebra sign | Radiology Case | Radiopaedia.org
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Mri brain
X ray
Diagnostic medical sonography
Pediatric radiology
Nuclear medicine
an x - ray shows the bones of two people's head and neck, in black and white
Patau Syndrome
Urinary Bladder
Latex Allergy
Pelvic Pain
Radiology
Weird And Wonderful
Jump Rope
Bladder exstrophy and ileal conduit stones | Radiology Case | Radiopaedia.org
The manta ray sign is a radiographic appearance in bladder exstrophy. It describes wide midline separation of the pubic bones simulating the appearance of a manta ray swimming towards you. Bladder exstrophy and ileal conduit stones | Radiology Case | Radiopaedia.org
an x - ray shows red and blue lines in the middle of the chest, while another image is black and white
Cranial Sacral Therapy
Internal Carotid Artery
Carotid Artery
Vascular Surgery
Close Proximity
X Ray
Retropharyngeal carotid arteries (kissing carotids) | Radiology Case | Radiopaedia.org
The term kissing carotids refers to tortuous and elongated vessels which touch in the midline. They can be be found in: retropharynx intra-sphenoid within the pituitary fossa within sphenoid sinuses within sphenoid bones https://radiopaedia.org/articles/kissing-carotids
an x - ray image of the head and neck of a human being shown in black and white
Occipital Bone Anatomy
Chest Xray Interpretation
Cervical Spine Xray
Lumbar Spine Xray
To The Bone
The Bone
Thalassemia: with hair on end sign | Radiology Case | Radiopaedia.org
Thalassaemia: with hair on end sign | Radiology Case | Radiopaedia.org
black and white photograph of flowers in the dark
Biliary System
Bunch Of Grapes
Vampire Queen
Grape Bunch
Case Study
Intraductal papillary mucinous neoplasm - side branch type | Radiology Case | Radiopaedia.org
IPMNs are one of a number of mucinous tumours of the pancreas and can be further divided both histologically and with respect to their macroscopic appearance 5. They are uncommon ductal epithelial tumours comprising approximately 10-15% of cystic pancreatic neoplasms. Intraductal papillary mucinous neoplasm (side branch type) | Radiology Case | Radiopaedia.org
an x - ray shows the chest and ribs
Chest Xray
Intracranial Hemorrhage
Intracranial Pressure
About Butterfly
Nuclear Medicine
Butterfly Collection
Non-cardiogenic pulmonary edema | Radiology Case | Radiopaedia.org
Bat's wing or butterfly pulmonary opacities refer to a pattern of bilateral perihilar shadowing. It is classically described on a frontal chest radiograph. https://radiopaedia.org/articles/bat-wing-opacities-lungs
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Radiology
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Signs
Brain Images
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