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What is this?
Intraosseous Abscess
What is this?
Syndactyly
What is this?
Craniostynostosis
What is this showing?
Fractures-found in osteogenesis imperfecta
What is this? What disease?
Blue sclera-found in osteogenesis imperfecta
What disease?
Achondroplasia
What does this histo slide show?
Osteopetrosis
What disease?
Osteopetrosis
What does this histo slide show?
curvilinear shapes of the trabeculae mimic alphabet characters
Found in Fibrous Dysplasia
What does this X-ray show?
Fibrous Dysplasia
What does this histo slide show?
Haphazard Spicules found in Fibrous Dysplasia
What are the brown spots? What disease?
Cafe au lait spots found in McCune-Albright Syndrome- associated with Polyostotic Fibrous Dysplasia
What disease?
Craniofacial involvement with polyostotic disease -Fibrous Dysplasia
What does this xray show?
Fibrous Dysplasia of the Proximal femur with Shepherd’s Crook Deformity
What does this xray show?
Polyostotic Fibrous Dysplasia
What does this histo slide show?
Osteitis Deformans - Jigsaw puzzle-like mosaic pattern appearance to lamellar bone
Sclerotic phase- prominent cement lines
What disease is this found in?
Left: normal Right: Paget’s Disease
Osteitis Deformans
What disease?
Cause of Headaches in Osteitis Deformans
What is this xray showing? What disease?
Bowing of weakened Pagetoid Bone
Sclerotic, irregular thickening of both cortical and cancellous bone - found in Osteitis Deformans
What is this xray showing?
Pagetic Tibia- Osteitis Deformans
What is this showing?
Myostitis Ossificans-bone formation in muscle
What is this?
Femoral Head with wedge shaped infarct- Osteonecrosis
What is this xray showing?
Legg-Calve-Perthes Disease
Idiopathic Avascular Necrosis of the hip
What does this histo slide show?
Synovial Chondromatosis
What is this showing?
Slipped Capital Femoral Epiphysis
What does this histo slide show?
Acute Osteomyelitis
What is this?
Acute Osteomyelitis
What is this?
Brodie Abscess found in Acute Osteomyelitis
What is this?
Intraosseous Abscess (Brodie Abscess) found in Acute Osteomyelitis
What is this xray showing?
Acute Osteomyelitis - Long bones showing radiolucencies
What is this? What is the green pigment called?
Pseudomonas Aeruginosa Osteomyelitis
Shows Green pigment - Pyocyanin
What is this showing? What disease is associated with this?
shows a draining sinus tract
Chronic Osteomyelitis
What is this xray showing and what disease is this associated with?
Osteomyelitis- Characteristic Xray: lytic focus of bone destruction surrounded by a zone of sclerosis
What is the arrow pointing at? What disease is this associated with?
Osteoporosis
Arrow = increased risk of fracture
What is this showing and what disease is this associated with?
Osteoporotic Vertebral Body-Osteoporosis
What does this histo slide show?
Osteoporotic Bone
What does this histo slide show?
Fracture
What is this showing?
Fracture
What does this histo slide show?
Rickets - Showing loss of normal cartilage palisades at costochondral junction
What does this histo slide show?
Normal bone matrix
What is this picture showing? What disease is this associated with?
Leg bowing due to poor mineralization - Rickets
What is this X-ray showing? What disease is it associated with?
Rickets- Epiphyses are open, mottled and overgrown
What is this X-ray showing? What disease is it associated with?
Adult with Osteomalacia and pseudofractures
What does this histo slide show?
Rickets- enlarged mass of uncalcified cartilage at costchondral junction
What is this X-ray showing? What disease is it associated with?
Rickets- Rachitic Rosary: beadlike prominences at junction of a rib and its cartilage
What disease does this child have?
Rickets- child has Rickets secondary to gluten sensitive enteropathy
Can also see Harris Sulcus groove (the arrow)
Frontal Bossing/squared head is prominent
What is this X-ray showing? What disease is it associated with?
Arrow shows Milkman Fracture
Aka: Looser Zone
What disease is this associated with?
Osteomalacia
What disease is this xray showing?
Osteomalacia
What does this histo slide show?
Von Kassa Stain (calcium) - Osteomalacia
surfaces of the bony trabeculae (black) are covered by a thicker than normal layer of osteoid (pink/purple)
Exaggeration of Osteoid Seams
What is the arrow on left showing? on the right?
Arrow on left hand: Subperiosteal bone resorption
Arrow on right hand: Bulbous bulging from Brown Tumors
What does this histo slide show?
Hyperparathyroidism
What does this histo slide show?
Hyperparathyroidism
What is this gross path showing?
histologic changes of hyperparathyroidism are known as osteitis fibrosa (refers to accelerated bone remodeling)
This can progress to cystica
What area in bone is this called?
Diaphysis
what area in the bone is this called?
Metaphysis
what area in the bone is this called?
Epiphysis
What does this histo slide show?
Osteoid Osteoma
What is this showing?
Osteoid Osteoma- Well-circumscribed lesion characterized by radiolucency with mineralized nidus (usually <1 to 1.5 cm)
What is this showing?
Osteoid Osteoma
What is this showing?
Osteoblastoma
What is this showing?
Osteoblastoma - Lucent, expansile mass involving spinous process at C5
What is this showing?
Osteosarcoma
What is this showing?
Osteosarcoma
What is this showing?
Osteosarcoma-
Arrow: Radiographs show “sunburst” pattern, disruption of the cortex and lifting of periosteum forming “Codman triangle”
What is this showing?
Osteosarcoma
What is this showing?
Osteosarcoma
What is this showing?
Osteosarcoma
What is this showing?
Osteochondroma
What is this showing?
Osteochondroma
What is this showing?
Benign cartilage Cap- Osteochondroma
What is this showing?
Chondroma- Histologically comprised of well-circumscribed nodules of hyaline cartilage
What is this showing?
Chondroma
What is this showing?
Chondroma
What is A showing? B?
Maffucci Syndrome
A: multiple soft tissue masses and calcified thrombi
B: Contrast material filling cavernous hemangiomas of the soft tissues
What disease is this showing?
Chondrosarcoma
What disease is this showing?
Histology of grades 1, 2, 3 chondrosarcoma
What is this? What disease is this showing?
Cartilage growing within medullary cavity and through the cortex
Chondrosarcoma
What is this? What disease is this showing?
Malignant cells producing cartilage
Chondrosarcoma
What disease is this showing?
Chondrosarcoma - “cotton wool" appearance characteristic plain film radiograph finding
“popcorn” appearance on CT
What disease is this showing?
“cotton wool" appearance characteristic plain film radiograph finding - Chondrosarcoma
What disease is this showing?
Chondrosarcoma- Tumor arising from pelvic bone
What disease is this showing?
Chondrosarcoma- Tumor destroying bone
What disease is this showing?
Giant Cell Tumor of bone
Soap Bubble Appearance
What disease is this showing?
Giant Cell Tumor of Bone Histology
What disease is this showing?
Giant Cell Tumor of Bone- Gross Path Image
What disease is this showing?
Ewing Sarcoma
What disease is this showing?
Ewing Sarcoma Histology
What disease is this showing?
Ewing Sarcoma Histology
What disease is this showing?
Ewing Sarcoma
What disease is this showing?
Aneurysmal Bone Cyst
What disease is this showing?
Aneurysmal Bone Cyst
What disease is this showing?
Aneurysmal Bone Cyst
What disease is this showing?
Aneurysmal Bone Cyst
What disease is this showing?
Aneurysmal Bone Cyst
What disease is this showing?
Chordoma
What disease is this showing?
Chordoma
What disease is this showing?
Metastatic Tumor
What disease is this showing?
Metastatic Prostate Carcinoma
What disease is this showing?
Metastatic Breast Carcinoma to vertebral body
Note 
Flashcard (60)