Normal Carpometacarpal Joint Space Size on Radiography
Normal carpometacarpal joint space measures 1–2 mm on radiography; learn measurement technique, clinical significance, and common pathology.
Radiography
179 entries · Page 2 of 6
C
Normal Caton-Deschamps Index Size on Radiography
Normal Caton-Deschamps Index on lateral knee radiography ranges from 0.6 to 1.2, guiding diagnosis of patella alta and baja.
Normal Central Venous Catheter Tip Position on Radiography
Normal central venous catheter tip position on chest radiography is at the superior vena cava–right atrium junction, as per Critical Care Radiology guidelines.
Normal Cervical Basal Angle Size on X-ray, CT & MRI
Normal cervical basal angle ranges from 125–143° on lateral imaging; values outside this range may indicate platybasia or craniovertebral junction anomalies.
Normal Cervical Interspinous Distance Size on Radiography, CT, MRI
Normal cervical interspinous distance should be less than 1.5× the mean interspinous distance — a key radiologic marker for ligamentous injury.
Normal Cervical Posterior Line Alignment on X-ray, CT, MRI
Normal cervical posterior line displacement is less than 2 mm on lateral radiography, CT, and MRI — a key marker for detecting instability.
Normal Cervical Wedge Compression Fracture Size on X-Ray & CT
Normal cervical wedge compression fracture threshold: posterior-to-anterior vertebral height difference less than 3 mm on lateral radiography and CT.
Normal Chamay's Translation Index Size on Radiography
Normal Chamay's Translation index on posteroanterior wrist radiography ranges from 0.25 to 0.31, a key metric for assessing carpal ulnar translation.
Normal Chamberlain's Line Measurement: X-Ray, CT & MRI
Normal Chamberlain's line measures less than 3 mm odontoid tip projection on lateral radiography, CT, and MRI for craniovertebral junction assessment.
Normal Colon Diameter Size on Radiography and CT
Normal colonic diameter is less than 6 cm on radiography and CT; values above this threshold indicate significant dilation requiring prompt evaluation.
Normal Coracoclavicular Distance Size on Radiography
Normal coracoclavicular distance on AP radiography measures 11–13 mm, with a side-to-side difference of less than 5 mm indicating ligamentous integrity.
D
Normal Descending Right Pulmonary Artery Size on Radiography
Normal descending right pulmonary artery diameter on PA chest radiograph is up to 16 mm — a key landmark for detecting pulmonary hypertension.
Normal Diaphragm Flattening Size on Chest Radiography
Normal diaphragm flattening on PA chest radiography measures less than 1.5 cm, serving as a key indicator of pulmonary hyperinflation.
Normal Digastric Line Cervical Measurements on X-ray, CT, MRI
Learn normal digastric line thresholds for atlanto-occipital and odontoid distances on radiography, CT, and MRI in cervical spine assessment.
Normal Distal Tibial Angle Size on Radiography
Normal distal tibial angle on AP and mortise radiography ranges from 45–65°, a key measure for ankle alignment assessment.
Normal Djian-Annonier's Angle Size on Radiography
Normal Djian-Annonier's angle on lateral foot radiography measures 120–130°, a key reference for assessing foot arch morphology.
Normal Dublin's Distance Size: Radiography, CT & MRI
Normal Dublin's Distance ranges 2–5 mm (mandible–atlas) and 9–12 mm (mandible–axis) on lateral cervical imaging across radiography, CT, and MRI.
E
Normal Elbow Carrying Angle Size on Radiography
Normal elbow carrying angle on radiography measures 154–178°, with deviations indicating cubitus valgus or varus deformity in clinical practice.
Normal Elbow Joint Space Size on Radiography
Normal elbow joint space measures up to 3 mm on lateral radiography; values exceeding this threshold may indicate effusion or joint pathology.
Normal Endotracheal Tube Position on Chest Radiography
Normal endotracheal tube tip position on chest radiography is 3–5 cm above the carina, minimizing risks of endobronchial intubation or accidental extubation.
F
Normal Feeding Tube Position on Radiography
Normal nasogastric feeding tube tip should lie >10 cm beyond the gastroesophageal junction on radiography to confirm safe gastric placement.
Normal Femoral Angle Size on Radiography and MRI
Normal femoral angle at the knee measures 75–85° on AP radiography; learn measurement technique, clinical significance, and common pathologies.
Normal Femoral Intercondylar Sulcus Depth Size on Radiography
Normal femoral intercondylar sulcus depth on sunrise radiography measures greater than 5 mm; shallowing is a key marker of trochlear dysplasia.
Normal Femoral Neck Anteversion by Age: X-ray, CT, MRI
Normal femoral neck anteversion decreases from 30–50° at birth to ~18° in adults; learn measurement thresholds across radiography, CT, and MRI.
Normal Femoropatellar Joint Space Size on Radiography
Normal femoropatellar joint space measures greater than 5 mm on sunrise radiograph — a key threshold for detecting patellofemoral pathology.
Normal Fibular Angle Size on Radiography
Normal fibular angle on AP and mortise ankle radiographs ranges from 43° to 63°, a key measurement for assessing fibular length and ankle stability.
Normal First Metatarsal Declination Angle Size on Radiography
The normal first metatarsal declination angle is 21° on lateral radiography, a key measurement for evaluating forefoot biomechanics and deformity.
Normal Fischgold's Bimastoid Line Size on X-ray, CT, MRI
Normal Fischgold's bimastoid line measurement: the odontoid tip should lie less than 10 mm above this craniometric line on X-ray, CT, or MRI.
Normal Fowler-Philips Angle Size on Radiography
The normal Fowler-Philips angle measures 45–75° on lateral foot radiography, a key parameter for assessing Haglund deformity and heel pathology.
G
Normal Gastric Band Size on Fluoroscopy & Radiography
Learn the normal gastric band measurements on fluoroscopy and radiography, including the >5 mm threshold that signals clinically significant slippage or obstruction.
No entries match your filter.