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147 Cards in this Set
- Front
- Back
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Bubbly Lesions of the Bones
FEGNOMASHIC |
Fibrous Dyspaslia
Fibrous Cortical Defect EG, Endchondroma GCT NOF Osteoblastoma Mets, Myeloma ABC (always eccentric) Simple bone cyst (always central) Hyperparathyroidism, Hemophilia Infection Chondroblastoma |
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Malignant Bone Tumors by Age
Up to Age 10 |
Ewings
OSA Leukemia , lymphoma |
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Malignant Bone Tumors by Age
10-20 |
OSA
Ewings Lymphoma, Leukemia |
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Malignant Bone Tumors by Age
20-30 |
OSA
Lymphoma Ewings MFH |
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Malignant Bone Tumors by Age
Over 30 |
Myeloma
Mets Lymphoma Chondrosarcoma MFH,Fibrosarcoma OSA |
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Lytic Epiphyseal Lesions
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TUMOR
GCT EG Chondroblastoma Mets (rare) INFECTION Osteomyelitis, TB SUBCHONDRAL CYST Arthropathy (CPPD, OA, RA, hemophilia) Intraosseous ganglion |
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Sclerotic METS
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Prostate
Breast Hodgkins Other Primaries Carcinoid Medulloblastoma Bladder Lung |
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Permeative Lesions in Children
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Round Cells
Infection EG |
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Permeative Lesions in Adults
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Mets
Myeloma Lymphoma, Leukemia |
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Boney Sequestrum
(Calcified nidus in Bone Lesion) |
Osteomyelitis
EG (button sequestrum) Osteoid Osteoma |
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Malignant Transformation of Bone Lesions
Fibrous Dysplasia Pagets Osteomyelitis with draining sinus Radiation Bone Infarct Olliers Disease Maffici's Syndrome Hereditary Osteochondromatosis |
Fibrosarcoma, OSA, MFH
OSA>> chondrosarcoma, fibrosarcoma Squamous cell carcinoma OSA, Condrosarchoma, MFH Chondrosarcoma Chondrosarcoma Chondrosarcoma |
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Osteonecrosis
ASEPTIC |
Anemias
Steoids Ethanol Pancreatitis, pregnancy Trauma Idiopathic Caisson disease, collagen vascular disease |
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Jaccouds Arthropathy
Ulnar and Volar Subluxation of the Metacarpals |
SLE
RA Scleroderma |
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Periarticular Osteopenia
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RA
Scleroderma Hempohilia Osteomyelitis |
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New Bone Formation in Arthritis
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Periostial New Bone Formation
Psoriasis Reiter's Syndrome Osteophytes OA CPPD |
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Acroosteolysis
PINCHFO |
Psoriasis
Injury Neuropathy DM, Leprosy Collagen Vascular Dx scleroderma, Raynauds dx Hyperparathyroidism Familial Hadju-Cheney Other PVC, snake and scorpion venom |
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Periostial New Bone Formation in Arthritis
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Periostial New Bone Formation
Psoriasis, Reiter's Osteophytes OA, CPPD |
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Calcifications and Arthropathy
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Periarticular
scleroderma Articular CPPD, Chondrocalcinosis Joint Space related Neuropathic, Osteochondritis dissecans |
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Chondrocalcinosis
HOGWASH |
Hyperparathyroidism
Ochronosis (Alkaptonuria) Gout Wilsons Disease Arthritides (any) (P)seudogot CPPD Hemochromatosis |
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Differential diagnosis of Athritides By Distribution
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DISTAL
OA, Psoriasis, Reiter's Syndrome PROXIMAL (MCP, Carpus) RA, CPPD, Hemochromatosis, Wilson's ULNAR STYLOID RA |
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Acroosteolysis
PINCHFO |
Psoriasis
Injury Neuropathy DM, Leprosy Collagen Vascular Dx scleroderma, Raynauds dx Hyperparathyroidism Familial Hadju-Cheney Other PVC, snake and scorpion venom |
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New Bone Formation in Arthritis
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Periostial New Bone Formation
Psoriasis, Reiter's Osteophytes OA, CPPD |
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Calcifications and Arthropathy
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Periarticular
scleroderma Articular CPPD, Chondrocalcinosis Joint Space related Neuropathic, Osteochondritis dissecans |
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Chondrocalcinosis
HOGWASH |
Hyperparathyroidism
Ochronosis (Alkaptonuria) Gout Wilsons Disease Arthritides (any) (P)seudogot CPPD Hemochromatosis |
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Differential diagnosis of Athritides By Distribution
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DISTAL
OA, Psoriasis, Reiter's Syndrome PROXIMAL (MCP, Carpus) RA, CPPD, Hemochromatosis, Wilson's ULNAR STYLOID RA |
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Monoarticular Arthritis
CHRIST |
Crystal Arthropathies
Hemophilia RA (atypical) Infection (excluding Lyme's Dx and gonorrhea) Synvial PVNS, synovial osteochondromatosis Trauma |
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Neuropathic Joint
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COMMON
DM, Spinal Cord Injury, Myelomeningocele, Syringiomyelia, Alcohol Abuse UNCOMMON Syphilis (tabes dorsalis) Congenital iddiference to pain Neuropathies Amyloidosis |
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Phemister's Triad
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(TB Arthritis)
Osteoporosis Marginal Erosions Slow Cartilage Destruction |
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Still's Disease
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JRA
hepatosplenomegaly lymphadenopathy |
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Felty's Syndrome
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RA
Splenomegaly neutropenia |
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Diffuse Osteosclerosis (Dense Bones)
3Ms Proof |
Mets
Myelofibrosis Mastocytosis Sickle cell anemia Pyknodysosis, Paget's Renal Osteodystrophy Osteopetrosis Other (hypothyroidism Fluorosis |
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CREST Syndrome
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calcinosis
Raynauds esophageal dymotility sclerodactyly telangiectasia |
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Atlantoaxial Subluxation
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JRA, RA
Seronegative Spondylarthropathies SLE Downs Moriquio's Trauma |
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OSTEOPENIA
LOCALIZED OSTEOPENIA |
Dissuse osteopenia-pain, immobiliztion
Arthritis Sudek's Atrophy Reflex Sympathetic Dystrophy Paget's Dx (lytic phase) Transient osteoporosis (hip) Regional Migratory Osteoporosis |
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OSTEOPENIA
DIFFUSE OSTEOPENIA |
Primary Osteoporosis
Secondary Osteoporosis Endocrine Deficiencies Nutritional Deficiencies Medications Osteomalacia Vit D deficiency, GI absorbtion, Renal Dx HYPERPARATHYROIDISM Marrow Replacement Malignacy (Myeloma) Marrow Hyperplasia (hemaglobinopathy) Lysosomal storage dx Gaucher's |
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Diffuse Osteosclerosis (Dense Bones)
3Ms Proof |
Mets
Myelofibrosis Mastocytosis Sickle cell anemia Pyknodysosis, Paget's Renal Osteodystrophy Osteoporosis Other (hypothyroidism Fluorosis |
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CREST Syndrome
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calcinosis
Raynauds esophageal dymotility sclerodactyly telangiectasia |
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Atlantoaxial Subluxation
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JRA, RA
Seronegative Spondylarthropathies SLE Downs Moriquio's Trauma |
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OSTEOPENIA
LOCALIZED OSTEOPENIA |
Dissuse osteopenia-pain, immobiliztion
Arthritis Sudek's Atrophy Reflex Sympathetic Dystrophy Paget's Dx (lytic phase) Transient osteoporosis (hip) Regional Migratory Osteoporosis |
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OSTEOPENIA
DIFFUSE OSTEOPENIA |
Primary Osteoporosis
Secondary Osteoporosis Endocrine Deficiencies Nutritional Deficiencies Medications Osteomalacia Vit D deficiency, GI absorbtion, Renal Dx HYPERPARATHYROIDISM Marrow Replacement Malignacy (Myeloma) Marrow Hyperplasia (hemaglobinopathy) Lysosomal storage dx Gaucher's |
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Periostium
Asymmetric Periostial Reaction |
Tumor
Infection (osteo, congenital, soft tissue) Inflammation (psoriatic, reiter's, JRA) Trauma (fractures) Vascular (subperiostial hemorrhage) |
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Periostium
Symmetric Periostial Reaction in Adults |
Vascular Insufficiency (venous > arterial)
Hypertrophic Pulmonary Osteoarthropathy (HPOA) Pachydermoperiostitis Fluorosis Thyroid Acropachy |
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Hypertrophic Pulmonary Osteoarthropathy (HPOA)
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Intrathoracic Tumor
Bronchogenic Ca Benign fibrous tumor of the pleura Mets Mesothelioma Chronic Pulmonary Infection bronchiectasis, abcess Other but more associated with clubbing IBD, Cirrhosis, Cyanotic Heart Disease |
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SKULL
Solitary Lytic Lesion |
TUMOR
Mets Multiple Myeloma EG Epidermoid Hemangioma Infection, inflammtion Osteomyelitis Sarcoidosis Metabolic Paget's HPT Trauma leptomeningeal cyst |
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SKULL
Diffuse skull lesions |
Sickle cell anemia, thalasaemia (hair on end)
HPT (salt and pepper skull) Paget's (cotton wool) Fibrous Dysplasia (outer table) Tuberous sclerosis (increased density both sides) |
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SKULL
Multiple Lytic Lesions POEMS |
Paget's HPT
Osteomyelitis EG Mets, Myeloma Sarcoidosis |
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SKULL
Basilar Invagination |
CONGENITAL
Osteogenesis Imperfecta Klippel Feil syndrome Achondroplasia Chiari Malformation Cleidocranial dysplasia Acquired bone softening Pagets dx HPT Osteomalacia, rickets |
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Spine
Vertebral bodies Abnormal density PICTURE FRAME |
Paget's (cortex too prominent)
Osteoporosis (center too lucent) |
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Spine
Vertebral bodies Abnormal density IVORY VERTEBRAL BODY |
Mets
Pagets Lymphoma Infection |
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Vertebral bodies
Abnormal density STRIATED VERTEBRAL BODY |
Myeloma
Hemangioma Osteoporosis Pagets |
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Spine
Vertebral Bodies Shape abnormalities |
Fish Vertebra
Sickle cell dx thalasemia Squared vertebra AS Pagets psoriasis, Reiters |
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Vertebral Outgrowths
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Syndesmophytes
AS Flowing paraspinal ossification DISH Small osteophytes DJD Large osteophytes Psoriasis (common) Reter's (uncommon) |
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Spine
Posterior Spinal Fusion |
Congenital
Klippel Feil Synd Surgical Fusion Athritides JRA AS Psoriasis Reiters |
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Vertebral Body lesion
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Mets
Myeloma Lymphoma BENIGN EG GCT hemangioma |
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Posterior Element Vertebral Lesions
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Osteoid osteoma
Osteoblastoma ABC |
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Solitary Vertebral Lesions
A HOG |
ABC
Hemangioma Oseoblastoma GCT |
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Posterior Vertebral Scalloping
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INCREASED I(NTRASPINAL PRESSURE
Spinal canal tumours Syrinx Communicationg hydrocephalus DURAL ECTASIA Neurofibromatosis Marfan Synd Ehlers-Danlos Synd CONGENITAL Achondroplasia Muchopolysacharidoses Osteogenis Imperfecta BONE RESORBTION Acromegaly |
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Anterior Vertebral Scalloping
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Aortic Aneurysm
Lymphadenopathy TB spondylitis |
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Anterior Vertebral Beak
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Moriquio (central beak)
(all others inf. beak) Hurlers Achondroplasia Cretinism Dowms |
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Platysponyly
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DIFFUSE
Thanotropic Dwarf Osteogenesis Imperfecta Solitary or Multifocal Leukemia EG Met/myeloma Sickle cell disease |
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Pelvis
Protrusio Acetabuli |
RA
Pagets Osteomalacia, Rickets Trauma AS |
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Sacroiliitis
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BILATERAL SYMMETRIC
AS Enteropathic Psoriatic HPT BILATERAL ASYMMETRIC Reter's Psoriasis UNILATERAL Infection DJD trauma |
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Lytic Lesions of the Sacrum
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Mets
Chordoma Plasmycytoma Chondrosarcoma GCT |
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Lytic lesion of the Ilium
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Fibrous Dysplasia
ABC UBC Hemophilic Tumor MALIGNANT Lesions Mets Lymphoma Plasmycytoma Chondrosarcoma Ewings |
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Widened Pubic Symphyis
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CONGENITAL
Bladder Extrophy Epispadius Cleidocranial Dysplasia BONE RESORPTION / DESRUCTION Pregnancy Osteitis Pubis Infection Mets HPT |
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Lower Extremity
Erlenmyer Flask Deformity CHONG |
Craniometaphaseal dysplasias
Hemaglobinopathies Thalasemia Sickle Cell (often with AVM) Osteopetrosis Nieman Pick disease Gaucher's |
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Gracile Bones
NIMROD |
Nerofibromatosis
Immobilization Muscular dystrophies JRA Osteogenesis imperfecta Dysplasia (Marfan, homocystinurea) |
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Femoral Head AVN
ASEPTIC LEG |
Alcoholism
Sickle Cell Exogenous steroids Pancreatitis Trauma SCFE/ # dislocation Infection Caisson Disease Legg-Calve Perthe Epiphyseal dyslplasia Gaucher's |
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Medial Tibial Spur
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Osteochondroma
Blount Disease Turner Syndrome Post traumatic lesion |
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Tibial Diaphyseal Cortical Lesion
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Adamantinoma
Ossifying Fibroma Fibrous Dysplasia EG Mets |
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Heal Pad Thickness
MAD COP |
Criteria > 25 mm
Myxedema (hypothyrodism) Acromegaly Dilantin Callus Obesity Peripheral edema |
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Lytic Lesion of the Finger
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Enchondroma
Glomus tumor Foreign body reaction Mets (lung) Sarcoid Infection Errosive Arthropathy |
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Radial Hypoplasia
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VACTERL
Thrombocytopenia absent radius Holt Oram Fanconi's anemia |
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Short 4th/5th Metacarpal
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Pseudohypoparathyroidism
Pseudopseudohypoparathyroidism Chromasomal Anomalies (Turner's, Klinefelter's) |
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Madelung Deformity
Premature Fusion of the ulnar aspect of the radial epiphysis resulting in: |
Ulnar angulation of the distal radius
Decreased carpal angle Dorsal subluxation of the ulna Unilateral or bilateral |
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Madelung Deformity
HIT DOG |
Hurler Synd
Infection Trauma Dyschondosteosis Chromasomal XO |
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Missing Distal Clavicle
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Erossive RA
HPT post traumatic osteolysis Infection Mets/ Myeloma Absent Cleidocarial Dysplasia Pyknodysostosis |
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High Riding Shoulder
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RA
CPPD Rotator Cuff Tear |
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Soft Tissue Cacification
TIC MTV |
TUMOR
Tumoral Calcinosis Soft tissue tumor Inflammation, Infection Dermatomyositis Scleroderma Parasites Leprosy Congenital Ehrlers-Danlos Myositis Ossificans Progressiva Metabolic HPT CPPD Calcium hydroxyapetit Tauma Myositis ossificans Burns Hematoma Vascular Calcification |
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Soft tissue Masses
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Tumor
MFH Fatty tumor lipoma, liposarcoma Vascular Tumor hemangioma Nerve Tumors Schanoma, Neurofibroma Mets Burns Hematoma Muscle Rhabdomyosarcoma, leiomyosarcoma Aneurysm Abscess |
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Lucent bone lesions in the Medulla, Well defined, Marginal Sclerosis, No expansion
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Geode
Healing benign or malignant bone lesion Brodie's Abcess Benigh Bone Neoplasms UBC, Enchondroma, Chondroblastoma Fibrous dysplasia |
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Lucent bone lesions in the Medulla, Well defined, NO marginal Sclerosis, No expansion
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Mets
Myeloma EG Browns Tumor Benigh Bone Neoplasms UBC, Enchondroma |
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Lucent bone lesions in the Medulla-Ill Defined
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Mets
Myeloma Osteomyelitis Lymphoma of the bone Long Bone sarcoma Osteosarcoma Ewings Central Chondrosarcoma Fibrosarcoma , MFH |
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Lucent bone lesions in the Medulla, Well defined, Eccentric Expansion
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GCT
ABC Enchondroma NOF Chodromyxoid Fibroma |
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Lucent bone lesions - Grossly Expansile
Malignant Bone Neoplasms |
Mets
Plasmacytoma Central chondrosarcoma/lymphoma Telangiectasia Osteosarcoma |
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Lucent bone lesions - Grossly Expansile
Benign Bone Neoplasms |
ABC
GCT Enchondroma |
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Lucent bone lesions - Grossly Expansile
Non Neoplastic |
Fibrous Dysplasia
Hemophilic Tumor Brown's Tumor Hydatid |
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Pseudoarthrosis
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non-union of a fracture
Congenital (in the middle to lower third of the fibula and tibia) Neurofibromatosis Osteogenesis imperfecta Cleidocranial dysplasia Fibrous dysplasia Ankylosing Spondylitis |
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Irregular or Stippled Epiphysis
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Normal (distal femur)
AVNCongenital Hypothyroidism Multiple Epiphyseal dysplasia Trisomy 18 21 Prenatal infections Warfarin Embyopathy Zellwegers Synd (cerebrohepatorenal syn) Fetal Alcohol Syndrome |
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Solitary Metaphyseal Radiolucent Band
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Any severe ilness
Metaphyseal # Healing Rickets Leukemia, Lymphoma Congenital Infections Scurvy |
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Alternating radiolucent and Dense Metaphyseal bands
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Growth arrest or park's lines
Rickets treated Osteopetrosis Chemotherapy Chronic anemia SC/thalasemia Treated Leukemia |
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Solitary Dense Metaphyseal Band
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Lead Poisining
(dense line in the proximal femur delineates this from other poisining including biemuth, arsenic, fluoride Congenital hypothyroidism Osteopetrosis Hypevitaminosis D |
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Dense vertical Metaphyseal Lines
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Congenital Rubella (cellary stalk)
Osteopathia striata Hypophosphotasia |
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Fraying of the Metaphyses
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Rickets
Hypophosphotasia Chronic Stress in the wrist of young gymnasts Copper deficiency |
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Cupping of Metaphyses
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Rickets
Trauma Bone Dysplasias eg achondroplasia Scurvy |
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Erosions of the Medial Metaphyses of the Proximal Humerus
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Normal
Leukemia Metastatic neuroblastoma Gaucher HPT RA |
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Erosions of the Outer End of the Clavicle
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RA
HPT Myeloma Meys post traumatic Cleidocranial Dysplasia Pyknodysostosis |
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Focal Rib Lesion
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METS
Adult male lung, kidney prostae Adult female breast Primary Malignant Myeloma/plasmacytoma Chondrosarcoma Ewings child Askin tumor of intercostal nerve Benign Osteochondroma Enchondroma LCH Non neoplastic Healed rib # Fibrous dysplasia Pagets Disease Brown's Tumor Osteomyelitis |
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Rib Notching Inferior Surface
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ARTERIAL
Coarctation of the aorta Aortic thrombosis Subclavian Obstruction pulmonary Oligemia VENOUS SVC obstruction Arteriovenous Pulmonary AVM Chest wall AVM Neurogenic Neurofibromatosis |
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Rib Notching Superir Surface
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CONNECTIVE TISSUE DISEASE
RA, SLE, Scleroderma, Sjorgen METABOLIC HPT MISC Neurofibromatosis, osteogenesis imperfecta, progeria |
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Wide or Thick Ribs
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Chronic Anemias
Fibrous Dysplasia Paget's disease Healed # with callus Achondroplasia |
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Carpal Fusion
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ISOLATED
triquetral lunate 1% of pop. Capitate hamate trapezium trapezoid Syndrome related Turner Aperts Holt Oram Acquired RA and JRA Pyogenic Arthritis Chronic TB arthritis Post traumatic or sx |
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Arachnodactyly
Elongated and slender tubular bones of the hands and feet |
Marfans Syndrome
Homocystinuria |
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Distal Phalangeal Destruction
Resorbtion of the Tuft |
Scleroderma
Raynauds Dx Psoraitic arthropathy Neuropathic Dxs (DM, Leprosy, syringiomyelia) Thermal injuries Trauma HPT |
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Distal Phalangeal Destruction
Resorption of the Mid-Portion |
PVC
Acro-osteolysis of Hadju Cheney HPT |
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Distal Phalangeal Destruction
Periarticular (erosion at the distal interphlangeal joint) |
Psoriasis
Erosive arthropathies HPT Thermal Injuries Scleroderma |
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Distal Phalangeal Destruction
Poorly Defined Lytic Lesions |
Osteomylitis
mets Myeloma ABC rare GCT Leprosy |
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Distal Phalangeal Destruction
Well defines Lytic Lesion |
Implantation dermoid or epidermoid cyst
Enchondroma glomus tumor osteoid osteoma Fibrous dysplasia |
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Fluid - fluid levels in Bone Lesions on CT and MRI
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BENIGN
ABC Chondroblastoma GCT UBC MALIGNAT Telangiectatic Osteosarcoma MFH Any necrotic Bone Tumor |
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Increased Uptake on Bone Scans
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Mets
Joint Dx traumatic #s Post SX jnt replacement Padgets Superscan (absent renal outline) Metabolic bone disease (same as superscan) Infection (increased uptake in vascular and blood pool) |
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Photopenic Areas on Bone Scans
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Artefacts (coins, buckles)
Avascular Lesions (cysts) Myeloma (may show increased uptake) Leukemia (may show increased uptake) Radiotherapy fields Spina Bifida Advanced Ca (breast possibly due to breast Ca) |
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Abnormal Bone Scan with Normal or Minimal Radiographic Changes
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EARLY DISEASE
Mets, Pagets, Osteomyelitis AVN Primary HPT, Osteodystrophy (pulmonary/ renal) |
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Scoliosis
IDIOPATHIC |
Infantile ( up to age 4)>90% thoracic and concave to the right > boys resolve spontaneously
Juvenile (4-9) > girls almost always progressive Adolescent (after age 10) > females. Majority concave to the left. |
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Scoliosis
CONGENITAL |
NEUROPATHIC
tethered cord, syryngiomyelia, Chiari malformation, disteatomyelia, myelomeningocele NEUROMUSCULAR DISEASE myelomeningocele, muscular dystrophy, cerebral palsy MESODERMAL AND NEUROECTODERMAL DISEASES Neurofibromatosis, Marfans Synd, Homocystinuria POST RADIOTHERAPY LEG LENGTH DISPARITY PAINFUL SCOLIOSIS Osteoid osteoma, osteoblastoma, intraspinal tumor, Infection |
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Erosion, Destruction or Absence of a Pedicle
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Mets, Myeloma
Neurofibroma TB Benign bone tumor Congenital Absence |
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Solitary Dense Pedicle
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Osteoblastic Met
Osteoid Osteoma Osteoblastoma Secondary to spondlolysis Secondary to congenitally absent or hypoplastic controlateral posterior elements |
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intervertebral disc Calcification
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Degenerative Spodylysis
Alkaptonuria CPPD Ankylosing Spondylitis JRA Hemochromatosis DISH (diffuse idiopathix skeletal hyperostosis) Gout Idiopathic Following Spinal Fusion |
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Widened Interpeduncular Distance
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Myelomeningocele
Intraspinal Mass Diastematomyelia |
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Intraspinal Masses
EXTRADURAL MASSES |
Proloapsed or sequestrated intervertebral disc
Mets, myeloma, lymphoma deposits Neurofibroma and Ganglioneuroma Menigioma hematoma Abscess Arachnoid cyst (uncommon) |
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Intraspinal Masses
INTRADURAL MASSES |
Menigioma
Neurofibroma Mets Subdural Empyema |
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Intraspinal Masses
INTRAMEDULLARY MASS |
Ependymoma
Astrocytoma Dermoid (lipoma, teratoma) Infarct Hematoma |
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Monoarthritis
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Trauma
Osteoarthritis Crystal induced arthritis RA TB PVNS (knee most common) sympathetic neuropathic arthropathy |
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Non Septic Monoarthritis
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Gout Synovial Chondromatosis
Amyloidosis PVNS Neuropathic Shoulder Milwaukee Shoulder (Ca hydroxyapetie/ca pyrophosphate deposition Rapid destructive Arthritis of the Hip |
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Arthritis with Osteoporosis
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RA
JRA SLE Pyogenic Arthritis Reters Synd.(acute phase) Scleroderma Hemophilia |
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Arthritis with Preservation of Bone Density
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Osteoarthritis
CPPD Gout Psoriatic Arthritis Ankylosing Spondylitis Reiter's Synd.(chronic or recurrent dx) Neuropathic Arthropathy PVNS Neuropathic A |
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Arthritis with a Periostial Reaction
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JRA
Reiter's Pyogenic arthritis Psoriatic RA (in less than 5%) HPOA Hemophilia |
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Arthritis with Preserved or Widened Joint Space
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Early infective or inflammatory arthritis
Psoriatic Arthropathy Acromegaly Gout PVNS |
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Arthritis with Soft Tissue Nodules
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GOUT
RA PVNS Amyloid Sarcoid |
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Arthritis Mutilans
(pencil in cup) |
RA
JRA Psoriatic Diabetes Leprosy Neuropathic Arthropathy Reiter's (in feet) |
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Diffuse Terminal Phalangeal Sclerosis
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Normal Variant 10%
RA Scleroderma SLE Sarcoid |
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Calcified Loose Body
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Detached Osteophyte
Osteochondral fracture Neuropathic arthropathy |
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Calcification of Articular (hyaline) cartilage also called Chondrocalcinosis
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CPDD
HPT Hemochromatosis Alkaptonuria Acromegaly Gout Wilson's Dx |
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Sacroiliitis
BILATERAL SYMMETRICAL (changes initially to the lower and middle third of the joint and iliac side is more affected) |
Ank Spond
IBD HPT Paraplegia Psoriatic Osteitis Condensans ilii (triangular segment on the inferior aspect of the iliac side of the joint multipareous young women) |
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Sacroiliitis
BILATERAL ASYMMETRICAL |
reter's
Psoriasis RA rare Gout Osteoarthriris |
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Sacroiliitis
UNILATERAL |
Infection
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Protrusio Acetabuli
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RA
Osteoporosis Marfans Osteomalacia and Rickets Pagets Ank spond |
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Widening of the Symphysis Pubis
Acquired > 10mm in newborn > 9mm at age 3 > 8 mm at 7 years |
Pregnancy
Trauma Osteitis Pubis Osteolytic mets Infection Ank Spond RA early disease HPT |
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Widening of the Symphysis Pubis
Congenital (normal Ossification) |
Extrophy of Bladder
Epispadius Hypospadius Prune Belly |
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Widening of the Symphysis Pubis
Congenital (poorly ossified cartilage) |
Achondrogenesis
Chondroplasia Punctata |
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Fusion or Bridging of the Symphysis Pubis
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Post traumatic
post infectious Osteitis pubis OA Ank Spond Alkaptonuria Fluorosis |
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Femoral Head and Neck Anomalies
Coxa Magna (remodlled femoral head becomes wider and flatter) |
DDH
Perthes Dx Septic Arthritis |
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Femoral Head and Neck Anomalies
Coxa Plana (flattened femoral head) |
AVN
ASEPTIC DD |
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Femoral Head and Neck Anomalies
Coxa Valga |
IDIOPATHIC
DEVELOPMENTAL Neuromauscular Abductor muscle weakness Diaphyseal Aclasia (multiple metaphyseal exostoses point away from the joint cartilagenous cap may show punctate calcification) INFLAMMATORY JRA Poliomyelitis TRAUMATIC femoral neck # |
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Femoral Head and Neck Anomalies
Coxa Vara (to midline) |
DEVELOPMENTAL
Neuromuscular Dis. DDH Fibrous Dysplasia INFLAMMATORY RA VASCULAR Perthes Dx AVN METABOLIC Renal Osteodystrophy Rickets Pagets Dx |
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Erosion (Enlargement) of the Intercondylar notch of the Distal Femur
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JRA
Hemophilia Psoriatic Arthritis TB arthritis RA |
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Plantar Calcaneal Spur
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Idiopathic
DISH Ank Spond Psoriatic reter's RA |
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Intrameniscal Signal Changes on Knee MRI
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Myxoid Degeneration
Meniscal Tear Post operative scar tissue |
