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Ebel
Differential Diagnosis in Pediatric Radiology

Table of Contents


Table of Contents

1 The Thorax
Trachea
Lungs
The hilum
The chest wall (bony thorax including the clavicle and scapula)

2 The Mediastinum
Measurements
General comments
Imaging techniques
The "empty" or narrow mediastinum
Mediastinal shift (Holzknecht-Jacobson phenomenon)
Dynamic Mediastinal motion
Mediastinal calcifications

3 The Abdomen and Gastrointestinal Tract
Ultrasound imaging
The liver and biliary tract
The spleen
The Pancreas
The gastro-intestinal tract
Conventional radiography
The pharynx
Anorectal anomalies
Pneumoperitoneum
Retroperitoneal air
Displacement, alterations in shape and extrinsic impressions

4 The Urinary Tract

Measurements and calculations
Anomalous renal size
Abnormal renal contour
Anomalous renal position
The pathological nephrogram
Renal cystic disease
The pelvocalyceal system
The ureter
The urinary bladder
The urethra
The scrotum and testes
The adrenal glands
The female genitalia

5 The Skull and Intracranial Space

Contents (List of Tables)

The Skull as a Whole
Biometry
Cranial Measurements by the Bergerhoff Method
Cranial Index of Cronqvist and Summation Index of Austin and Gooding
Cranial Measurements by Computed Tomography
Intracranial Measurements with Ultrasound
Abnormalities of Cranial Size
Macrocephaly
Brain Atrophy, Microcephaly
Abnormalities of Cranial Shape
Cranial Asymmetry
Craniosynostosis (Craniostenosis)

Calvarium
Localized Deformities (Bulging, Flattening, Hollowing) in the Neonate
Localized Calvarial Deformities in Older Children
Abnormalities of Calvarial Thickness and Density
Generalized Thickening of the Calvarium
Localized Thickening of the Calvarium
Generalized Thinning of the Calvarium
Localized Thinning of the Calvarium
Sutures and Fontanelles
Abnormalities of Bone Structure
Linear Lucencies
Nonlinear Lucencies, Single or Multiple (Ulcerations, Defects, Osteolytic Foci)

Intracranial Abnormalities
Imaging Procedures
Ultrasound Findings
Intracranial Calcifications (Skull Films and CT)
CT and MRI Features of Brain Tumors

Skull Base
Abnormalities of Shape
Sclerosis and Hyperostosis of the Skull Base
Orbit
Imaging Procedures
Biometry
Orbital Size Abnormalities
Abnormal Interorbital Distance
Orbital Calcifications
Sella
Imaging Procedures
Biometry
Abnormalities of Shape and Size
Clivus and Foramen Magnum
Petrous and Mastoid
Imaging Procedures

Facial Bones
Biometry
Nasal Passages and Paranasal Sinuses
Paranasal Sinus Clouding
Paranasal Sinus Clouding with Bone Destruction
Clouding of the Nasal Passages
Pharynx
Soft-Tissue Densities without Bone Involvement
Tumors Involving the Pharynx
Jaws and Teeth
Imaging Procedures
Biometry
Abnormalities of Size
Abnormalities of Shape and Structure
Dental Abnormalities
Soft-Tissue Abnormalities
References

6 The Spine

Contents (List of Tables)

Imaging Procedures

Biometry

Abnormalities of Vertebral Body Shape and Size
Reduced Height
Generalized (Platyspondyly) or Multiple
In Newborns
In Older Children
Reduced Height of One or More Vertebral Bodies
Vertebral Body Enlargement
Shape Abnormalities Involving One or More Vertebrae
Wedged Vertebrae
Wedging with an Anterior Hook or Beak
Vertebral Body Clefts
Transverse Clefts
Sagittal Clefts
Coronal Clefts
Vertebral Scalloping
End Plate Scalloping
Partial End Plate Scalloping
Anterior Scalloping
Posterior Scalloping
Anterior and Posteror Scalloping (Fusiform or Hourglass Deformity)
Biconvex Vertebral Bodies
Fused Vertebrae
Malformations
Acquired Vertebral Fusion
Cervical Vertebrae
Absent Vertebrae

Abnormalities of the Spinal Canal and Vertebral Arches
Narrow Spinal Canal (Spinal Stenosis)
Enlarged Spinal Canal
Abnormalities of the Intervertebral Foramina
Large Intervertebral Foramen
Small Intervertebral Foramen
Fusion of Arch Structures
Arch Discontinuities (Clefts, Defects, Fractures)
Enlarged Vertebral Arch
Abnormal Pedicle Shape
Destruction, Sclerosis, or Absence of Pedicles
Abnormal Spinal Curvature (Scoliosis, Kyphosis, Lordosis) and Vertebral Body Displacement
Scoliosis
Bony Scoliosis
Spinal and Neuromuscular Causes
Causes Extrinsic to the Spine
Malformation Syndromes, Skeletal Dysplasias
Kyphosis
Hyperlordosis
Abnormal Spinal Straightness
Vertebral Body Displacement
Atlantoaxial Subluxation
Other Vertebral Displacements

Abnormalities of Bone Structure
Increased Bone Density
Generalized Density Increase
Bandlike Density Increases
Localized Density Increases
Decreased Bone Density
Generalized Decrease
Localized Decrease (Defects, Osteolysis)

The Spinal Canal and Its Contents
Localized Narrowing of the Spinal Canal by Bony Abnormalities
Mass Lesion within the Spinal Canal
Spinal Cord Abnormalities, with and without Bony Abnormalities

Abnormalities of the Disks and Disk Spaces
Narrowed Disk Space
Widened Disk Space
Disk Calcification
Vacuum Effect
Magnetic Resonance Imaging of the Vertebral Bodies

Sacral and Soft-Tissue Abnormalities
Sacrum and Sacroiliac Joints
Paravertebral and Presacral Soft-Tissue Abnormalities
References

7 The Bones and Soft Tissues
R. Schumacher

Contents (List of Tables)

Biometry
Length Ratios of the Long Bones
Relative Dimensions of the Distal Femoral Epiphysis
Genu Varum and Valgum Evaluated by the Femorotibial Angle
Maturation of the Pelvic Bones
Pelvimetry
Sonographic Measurements of the Hip Joint
Radiographic Measurements of the Hip Joint
Iliac Measurements
Femoral Neck Angle (k)
Tilt and Rotation Index in Pelvic Radiographs
Width of the Pubic Symphysis

Pelvis
Abnormal Maturation
Accelerated Skeletal Maturation
Delayed Skeletal Maturation
Abnormal Density
Abnormal Size and Shape
Hemihypertrophy, Hemihypotrophy
Ilium
Small Ilium
Narrow Base of Iliac Wing
Dysostosis Multiplex
Flat, Rotated Ilium
Small Sciatic Notch
Serrated Iliac Border
Iliac Horns
Acetabulum
Increased Acetabular Angle
Peaking of the Medial and Lateral Acetabular Margins ("Trident Acetabulum")
Ischium and Pubis
Pubic Symphysis

Joint Abnormalities
Widened Joint Space
Joint Effusion
Dislocation, Subluxation
Narrowed Joint Space
Ankyloses and Synostoses

Epiphyseal Abnormalities
Large Epiphyses
Solitary Epiphyseal Enlargement
Generalized Epiphyseal Enlargement
Small Epiphyses
Solitary Smallness
Generalized Smallness
Supernumerary Ossification Centers in the Epiphyses
Stippled and Irregular Epiphyses and Apophyses
Cone-Shaped Epiphyses
Epiphyseal Defects
Ringed Epiphyses

Epiphyseal Lines
Narrowing and Premature Closure of Epiphyseal Lines
Widened Epiphyseal Lines

Metaphyses
Metaphyseal Flaring Without Cupping (Erlenmeyer Flask Deformity)
Erlenmeyer Flask Deformity Due to Expansile Lesions
Erlenmeyer Flask Deformity Due to Defective Modeling
Metaphyseal Flaring With Cupping and Irregular Margins
Acquired
Skeletal Dysplasias
Metaphyseal Neck Fracture, Metaphyseal Beaking
Metaphyseal Bands and Lines
Radiolucent Metaphyseal Bands
Alternating Transverse Radiodense and Radiolucent Bands
Transverse Radiodense Metaphyseal Bands or Lines
Vertical Radiodense and Radiolucent Metaphyseal Lines

Long Bones -- Diaphyses
Hypoplasia and Aplasia of the Long Bones
General
Dysmelias
Fibular Hypoplasia and Aplasia
Radial Hypoplasia and Aplasia
Femoral Hypoplasia
Ulnar Hypoplasia and Aplasia
Humeral Hypoplasia
Tibial Hypoplasia and Aplasia
Abnormalities of Shaft Width
Thin Diaphyses
Widened Diaphyses
Abnormalities of Bone Density
Osteosclerosis
Diffuse Osteopenia
Bowing of Long Bones, Acquired
Localized Bone Lesions and Tumors
Maplike Lesion
Motheaten and Permeative Lesions
Cortical Bulging
Types of Periosteal Reaction

Lethal Skeletal Dysplasias in the Perinatal Period and Early Infancy

Soft Tissues
Soft Tissue Masses
Calcifications
Skin and Subcutaneous Tissue
Subcutaneous Tissue and Muscles
Generalized Muscular Disorders

Hands and Feet

Biometry
Hand and Foot Deformities
Size, Shape, Contour and Structural Abnormalities of the Phalanges
Distal Phalanges
Middle Phalanges
Proximal Phalanges
Thumb and Great Toe
Fifth Finger
Metacarpals and Metatarsals
Carpal and Tarsal Bones
Metaphyses
Epiphyses of the Hands and Feet
Epiphyseal Lines
Soft-Tissue Calcifications in the Hand and Foot
Acceleration and Retardation Syndromes
References
Additional References

Subject Index

 
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