At  A Glance
RADIOLOGY

*IOC (Investigation Of Choice) for Fat embolism CT scan

*IOC (Investigation Of Choice) for Vesico-uereteric reflux  Micturition cystourethrogram

*IOC (Investigation Of Choice) for Congenital hypertrophic pyloric stenosis  USG

*IOC (Investigation Of Choice) for assessing atheromatous plaque  Intravascular USG

*IOC (Investigation Of Choice) to diagnose renal & ureteric stones   Non-contrast CT scan

*IOC (Investigation Of Choice) for Recurrent sinusitis CT scan

*IOC (Investigation Of Choice) for Brochogenic carcinoma CT scan

*IOC (Investigation Of Choice) for Acoustic neuroma  Gadolinium enhanced MRI

*IOC (Investigation Of Choice) for Intramedullary SOL MRI

*IOC (Investigation Of Choice) for Multiple sclerosis  MRI Brain

*IOC (Investigation Of Choice) for advanced renal TB  — CT scan

*Investigation used to see viability (reversibility) of myocardium Thallium scan

*String of beads sign is seen in — Small bowel obstruction

*Signet ring sign on CT Chest is seen in — Bronchiectasis

*Neonate triangular cord sign on usg is seen in — Biliary atresia

*Double track sign is seen in — Congenital hypertrophic pyloric stenosis

*Double bubble sign is seen in —  Duodenal atresia

*Boot-shaped heart (Cour en sabot) on X-ray is seen in —  TOF (Tetralogy Of Fallot)

*Box shaped heart on x-ray seen in — Tricuspid atresia

*Egg on side appearence of heart seen in — D-TGA

*Egg on cup appearence of heart seen in — Constrictive pericarditis

*Jug handle appearence  Primary pulmonary hypertension

*Tiger eye sign on MRI is seen in —  Halloverden spartz disease

*Rat-tail appearance on barium swallow is seen in —  Carcinoma of esophagus

*Bird’s beak sign seen in — Achalasia cardia

*Sigmoid esophagus is seen in — Achalasia cardia

*Corkscrew appearance of esophagus is seen in — Diffuse esophageal spasm

*Onion peel appearance  is seen in — Ewing’s sarcoma

*Bone within bone appearance  is seen in — Osteopetrosis

*Sunray appearance on X-ray is suggestive of  — Osteosarcoma

*Snowman appearance on X-ray is seen in — Supracardiac TAPVC

*Figure of 8 appearence seen in — Supracardiac TAPVC             

*Cottage leaf appearence seen in —  Supracardiac TAPVC

*Salt n pepper appearence of skull is seen in — Hyperparathyroidism

*Trident hand is seen in — Achondroplasia

*HU is measure of — CT

* 1 Gray = 100 Rad

*Flask shaped heart is seen in — Pericardial effusion

*Nonionic dye is — Iohexol

*Fraenkel’s line is seen in — Scurvy

*Calcification of intervertebral disc is seen in — Gout & Alkaptonuria

*Pseudofracture or looser’s zone is seen in — Osteomalacia

*Codman’s triangle is characteristically seen in — Osteosarcoma

*Von Rosen’s view is for — Congenital dislocation of Hip

*Ground glass ventricular septum is seen in — HOCM

*Popcorn calcification in lung seen in — Pulmonary Hamartoma

*Renal cortical imaging is done by — DMSA

*Cystine stones are — Radio-opaque

*Osteoblastic metastasis is seen in  — Prostatic carcinoma

*PET scan uses  — 2-Fluorodeoxyglucose

*View taken for aortic window Left anterior oblique (LAO) view

*Half life of Iodine 131 is  —  8 days

*USG is based on — Piezoelectric effect

*MRI is based on — Gyeromagnetic property of Proton (H+)

*Right border of the heart is formed by — SVC (Superior Vena Cava)

                                                                    Right atrium

                                                                    IVC (Inferior Vena Cava)

*Left border of the heart is formed by  —   Aortic knuckle

                                                                   Pulmonary trunk

                                                                   Left auricle

                                                                   Left ventricle

*Capsule endoscopy is useful in obscure GI Bleeding

*Beaded lumen with fimbrial fluid is seen in — TB of fallopian tube

*Which is produced by linear accelerator Electron

*Maximum scattering in X-Ray plate occurs in — H+

*X-Ray view for supraorbital fissure Caldwell view

*Tracheal bifurcation on X-ray corresponds to  —  T4T5 (Posteriorly)

                                                                                 Sternal angle (Anteriorly)

*In cerebral angiography dye is injected through  — Femoral Artery

*PACS in medical imaging stands for — Picture Archieving Communication System

*Lateral decubitus view is best view to detect — Minimal pleural effusion

*Best view to diagnose pneumothoraxPA view in full expiration

*Apex of lung is best assessed by  —  Lordotic view

*Right dome of diaphragm is higher than left dome

*Kerley’s B line Transverse (horizontal) lines at lung base

*Bat wing appearence seen in — Pulmonary edema

*Common causes of Honeycomb lung  ILD

                                                                                   Scleroderma

                                                                                   Sarcoidosis/Pneumoconiosis

                                                                                   Tuberculosis

*Common causes of Air bronchogram  —  Consolidation, Pulmonary edema, HMD

*Most common cause of interstitial pneumoia in Renal transplant patient CMV

*Reid’s line

line between Infraorbital margin & upper margin of External auditory meatus (auricluar point)

*Tritium has a half life of — 12 years

*Medusa head colonies on CT — Round worm

*Thumb printing  appearence Ischemic colitis

*Lead pipe appearence Ulcerative colitis

*Coffee bean sign Sigmoid volvulus

*String of kantor sign Crohn’s disease

*Apple core appearence Carcinoma of colon

*Sentinel loop sign Acute pancreatitis

*Colon cut-off sign Acute pancreatitis

*Chains of lake appearenceChronic pancreatitis

*Drooping lily sign Complete duplication of ureter

*Empty delta sign is seen in — Superior saggital sinus thrombosis

*Signs of pulmonary embolism on chest x-ray —

Hampton’s hump (wedge shaped opacity above the diaphragm)

Westermark’s sign (Focal oligemia)

Palla’s sign (Enlarged right descending pulmonary artery)