1105 Index A osteophytes 950 cervical spinous processes 631 atelosteogenesis 6 productive bone changes 69 cervical vertebrae 599, 626, 629, atheroma, calcified of calvarium 405 Abt—Letterer—Siwe disease 400 sesamoid bones 1091 631, 632 athyrosis, sella turcica 453 accessory bones 4 acromioclavicular joint 287–91 double trolley back 704 atlanto-occipital joint 572 acetabular index 816 anomalies 287–8 lumbar vertebrae 702–6 arthritis 599 depth-to-width 817, 818 calcification 287, 290 occipitoatlantoaxial joints 600 dislocation 596, 597 acetabulum degenerative change 290 sacroiliitis 755–6 dysplasia 622 accessory bones 821–2, 823 dislocation 280, 288, 289 thoracic vertebrae 662, 663 motion 573 accessory fossa 824 fractures 288, 289 triple trolley back 704 osteoarthritis 601 anatomy 811, 813, 814 inflammation 290 ankylosis synostosis 435, 588–9 apophyses joint space widening 290, 302 acquired bony 27–8 atlanto-occipital membrane, anterior marginal 804, 806–7 necrosis 289–90 apophyseal joint spaces 612, 613 603 persistence 821–2 normal variants 287–8 carpal inflammatory 131 atlantoaxial joint persistent accessory 807 osteoarthritis 290, 291 cervical spine 629, 630 fusions 589 bony defect 824 posttraumatic ossification 289 sacroiliac joint 758 osteoarthritis 601, 602 center—edge angle of Wiberg 817, pseudodislocation 288, 289 thoracic vertebrae 662–3 rotational analysis 574 818 rheumatic disorders 290 annulus fibrosus 558 atlantoaxial segmentation, irregular components 804 subluxation 288, 289 calcification 721, 722, 723 590 congenital dislocation of hip 825, Tossy classification of dislocations anorexia nervosa 880 atlantoaxial subluxation 597–8, 599, 826 288 anotia 468 600, 631 constitutional flat 825 tumors 290 AO classification of spinal injuries 659 rotary 597, 598 CT imaging 818, 819 acromioclavicular ligament 287 aorta atlantodental distance 567 epiphysis persistence 821–2 acromion 264, 265, 270, 273 coarctation 348 atlantodental joint, osteoarthritis 602 eyebrow sign 808, 809 arch shape variation 272, 273–4 ectasia 668 atlas 558, 564–604 false-profile view and VCA angle isolated bony element 2–3, 277–8 aortic aneurysm 668, 710 accessory joint 575, 576 817–18, 819 morphological types 272–4 Apert syndrome see acrocephalosyn- accessory ossicles 590–2 fractures 829–30, 831 ossification centers 264, 278, 287 dactyly anatomy 564, 566 stress 834 persistence 276, 277 apical ligament of dens 558 anomalies 575–83 growth 804–7 stress fracture 277, 278 aplasia, hereditary 27 anterior displacement 597 HTE angle 817, 818 actinomycosis apophyseal joints anterior tubercle fracture 592 labrum 811, 813, 814 cervical spine 629 ankylosis 631 arch 567–8, 569 lesion classification 815 mandible 545 spaces in cervical spine 612, 613 anterior 575, 576, 577, 579–83 tears 811, 813, 815 skull base 442 apophyseal ring 562 aplasia 577, 578 measurements after puberty 817–18 adamantinoma, tibial 965, 967 apple core sign 845, 846 clefts 579, 593 ossification centers 804, 807 agger nasi 520, 531 arachnodactyly 34 hemiaplasia 577, 578 osteochondritis dissecans 837, 840 Ahlbäck disease 885, 887 arachnoid cysts 428–9 posterior 575–8, 592, 593 pressure-bearing zone 808 Ainhum syndrome 1102 arachnoid villi 371 pseudofractures 569 primary protrusio acetabuli 824 air cells 464–77 arhinencephaly 524 arcuate foramen 581 rim fractures 830 clouding 471, 472 arm see forearm assimilation 435, 588–90 secondary 825 maxillary sinus 520–1 arm, upper bipartite 579 subchondral synovial cyst 846, 847 osteomyelitis 475 diaphysis 238–44 burst fracture 592 tear drop figure 804, 808, 809 sigmoid sinus 465 see also humerus; humerus, distal; cleft variants 821–4 Albers—Schönberg marble bone dis- humerus, proximal paramedian 593 villonodular synovitis 845 ease see osteopetrosis Arnold—Chiari malformation 438 posterior arch 575, 576, 577 Achilles tendon algodystrophies 1084, 1085 arthritis duplication of anterior arch 580 calcaneal tuberosity avulsion 1034 alkaptonuria 639 bacterial epitransverse process 581, 582, 583 fat triangle 1001 ochronosis 721, 758 acromioclavicular joint 290 fractures 592–8 achillobursitis defect 1038, 1039 allocephaly 368 joint erosions 57, 58 infratransverse process 582, 583 achondrogenesis 6 alveolar canal manubrioclavicular joint 313 Jefferson fracture 592, 593 achondroplasia 6 mandible 547 carpal 130, 131 Kimmerle variant 580 axial deviations 28, 37 posterior superior 521 proximal phalanges (finger) 90 lateral bending 573 cervical spine 621 ameloblastoma, mandible 545–6, 547 psoriatic 57, 59, 60, 61 lateral displacement 597 foramen magnum 438 amyloid deposits, 2-microglobulin bamboo spine 706 lateral ponticulus 580 humerus varus 253 64, 65, 846 carpal 131 line 573 lumbar canal narrowing 698, 699 amyloidosis, intervertebral disk calci- cervical spine 631 notch-shaped lucencies 568, 570 nasal bone congenital hypoplasia fication 639 distal phalanges (finger) 83 os suboccipitale 591 513 anal atresia 653 distal phalanges (toe) 1102 ossification 565 short ulna 194 anatomic snuffbox, scaphoid contu- lumbar vertebrae 704, 705 paracondylar mass 582 acoustic neurinoma 484, 489 sion 154 metacarpal 101 paracondylar process 581, 582, 583 acro/acro-mesomelic dysplasias 8 Andersson lesions 702 metatarsal bones 1082 plane 572 acro-osteolysis 44, 56–7, 73, 77, 78 anemia occipitoatlantoaxial abnormali- pneumatization 580 clavicle 289 congenital 36, 38 ties 600 ponticulus 581 distal phalanges (finger) 76, 77, 80, hair-on-end appearance 379, 380 sacroiliac joint 756–7 posterior 580, 581 81 skull 369 sympathetic 130, 131 posterior arch hyperparathyroidism 81, 88 see also sickle cell disease carpal 163 cleft 575–8, 576, 577 middle phalanges (finger) 88 angel wing syndrome 453 tarsal bones 997 fracture 592, 593 ribs 350 angiodysplasia temporomandibular joint 551, 552 pseudo-Jefferson fracture 593 scapula 281 hypertrophic osteoarthropathy 81 uncovertebral joints 624 pseudodislocation 597 syndrome 289 Klippel—Trenaunay type 34, 36 see also osteoarthritis; rheumatoid pseudotumor 579 thumb 93 Servelle—Martorell-type 36 arthritis rotary subluxation 597, 598 toes 1101 tibia 959, 961 arthrography rotation 573–5 acrocephalosyndactyly 468, 506 Weber-type 34, 35, 36 three-compartment 111 spina bifida 575, 576, 577 delta phalanges (finger) 26 angioma, orbital 508 arthro-osteitis spinous process thumb 91 ankle impingement syndrome, poste- scapula 281–2 frictional sclerosis 603 acrocephaly 391 rior 1007 see also pustulotic arthro-osteitis joint formation with axis 584 acromegaly 70 ankle joint see talocrural joint arytenoid cartilage 493 split 579 distal phalanges (finger) 78 ankylosing hyperostosis see DISH syn- aspergillosis stenosis 575, 576 intervertebral disk calcification 639 drome calcification 517 styloid process 582, 583 lumbar canal narrowing 698 ankylosing spondylitis 317 nasal cavity 515, 516, 517 transverse foramen lumbar vertebrae 710 bamboo spine 704, 705 asterion/asterion process 407 absence 580 mandible 547 calcaneus 1039 astragalus see talus asymmetry 568, 570 1106 Index transverse process anomalies 580–3 craniometric measurements 431, Caffey syndrome 206 neurocysticercosis 384–5 tumors 600–1 432 calcaneal-first metatarsal angle 989, nuchal ligament 626, 638, 639 unilateral irregular segmentation basilar processes 434, 435 991 nucleus pulposus 640, 668, 721, 722 590 bathrocephaly 368, 394 calcaneocuboid coalition 999 occipitoatlantoaxial region 603 auditory canal, external 459, 464–77 battered child syndrome 206, 207 calcaneocuboid—fourth metatarsal parahippocampal gyrus 453 aneurysmal bone cyst 476 Bergmann ossicle see terminal ossicle coalition 1032, 1033 pectineal ligament 771 atresia 468 Bernageau view 299 calcaneonavicular coalition 998–9 pelvic soft tissues 768, 770–2 bleeding 470 bilharzial arthropathy, sacroiliac joint calcaneus 985, 1020–39 petrosellar ligament 449, 482 foreign bodies 476 757 accessory bones 1026, 1028–32 pineal 380–1 growth 478 Binder syndrome 524 anatomy 1020–5 retina 510 auditory canal, internal 459–64, 479, birth trauma ankylosing spondylitis 1039 sacrococcygeal intervertebral disk 480 clavicular fractures 310 apophysis 1020, 1021, 1022 745 growth 478 distal femoral fractures 880 bifid 1032 sacroiliac ligaments 755–6, 758, transverse crest 479, 482 bite abnormalities 550 bone cyst 1035, 1036, 1038 759 auditory ossicles 360, 457, 468 blastomycosis, nasal cavity 516 bone spurs 1025 sacrospinal ligament 745, 746 dislocation 470 Blount disease 921–3, 930, 935 bony process on anterior articular sacrotuberal ligament 745 petrous bone fracture 469 Boeck disease 515 side 1025, 1026, 1027 sagittal sinus 382 rupture 470 bone 67, 68 coalitions 1032, 1033 shoulder joint 299–302 auricle 459 cortex 5 deformities 1032–3 bursae 299, 300, 301 avascular necrosis cystic tuberculosis 60 diabetic osteoarthropathy 1035 soft-tissue 71–5 coccygodynia 743 density 4, 18, 20–1 dislocation 1033–4 Sturge—Weber disease 384, 385 femoral head 840, 841–3 acquired generalized increase 38, fibro-ostosis 1038, 1039 stylohyoid ligament 496 humerus head 253, 256 39, 40 fracture 1033–4, 1035 supraspinous ligament 638, 639 sesamoid bones 1090–1 generalized loss 47 chip 1031 tentorial 382, 383 axis 558, 564–604 pelvis 773, 774, 775 stress 1034 thyroid cartilage 493, 611, 612 accessory ossicles 590–2 periosteal processes 44 inflammation 1035 trapezium 135 anatomy 564–5, 566 detached fragment 4 lucent area 1020, 1022, 1023–5, triangular fibrocartilage 132 anomalies 584–8 felon 59, 62, 84 1035 triquetrum 179 assimilation 589 formation of periosteal new 46 necrosis 1034–5 tuberculosis