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Osteoarthritis:...nds

Osteoarthritis: Heberdenís Nodes, Inflammation, Hands

Heberdenís nodes are present on all the distal interphalangeal joints. The distal joint of the middle finger is red and inflamed. Inflammatory changes consisting of tenderness and soft-tissue swelling may occur in the early stages of Heberdenís node form

Osteoarthritis:...and

Osteoarthritis: Heberdenís Node, Synovial Cyst, Hand

A synovial cyst is seen on the dorsal surface of the distal interphalangeal joint of the extended middle finger. Synovial cysts contain gelatinous material and may be associated with Heberden's node.

Osteoarthritis:...des

Osteoarthritis: Heberdenís and Bouchardís Nodes

Bony enlargement can be seen in distal and proximal interphalangeal joints. The changes in proximal interphalangeal joints (Bouchardís nodes) and distal interphalangeal joints (Heberdenís nodes) are common findings in degenerative joint disease of the han

Osteoarthritis:...and

Osteoarthritis: Heberdenís and Bouchard's Nodes, Hand

In this patient with osteoarthritis of the hand, note the large Heberdenís and Bouchardís nodes, and constriction caused by the wedding ring proximal to the Bouchardís node.

Osteoarthritis:...oot

Osteoarthritis: Hallux Valgus and Cock-up Toe Deformities, Foot

Note hallux valgus and cock-up toe deformities, characteristic of osteoarthritis in the foot.

Osteoarthritis:...ees

Osteoarthritis: Knees

This arthroscopic view (left) shows early loss of articular cartilage of the femoral condyle. There is fibrillation of the patellar cartilage (right).

Osteoarthritis: Knee

Osteoarthritis: Knee

The left image shows fraying of the retro-patellar cartilage with the normal appearing trochlear cartilage below. The right image demonstrates loss of articular cartilage and exposure of underlying subchondral bone of the femoral condyle.

Osteoarthritis: Knee

Osteoarthritis: Knee

The knee joint has been opened anteriorly and the patella turned downward. Large eroded areas of articular cartilage are present on the intercondylar and condylar femoral surfaces and on the patella. The cartilage erosion is more extensive on the medial c

Diffuse Idiopat...ine

Diffuse Idiopathic Skeletal Hyperostosis: Dorsal Spine

This slide shows a frontal view of a specially prepared specimen of a thoracic spine. Irregular excrescences are present along the right lateral aspect, resulting in an undulating osseous contour. Note the interdigitation of the bony outgrowths.

Osteoarthritis:...ode

Osteoarthritis: Heberden's Node

A sagittal section through a distal interphalangeal joint demonstrates irregular bony hypertrophy at the articular margin of the distal phalanx. No active inflammation is present, and the articular cartilage is intact. (hematoxylin-eosin, low power)

Osteoarthritis: Toe

Osteoarthritis: Toe

This section of the first metatarsophalangeal joint shows partial erosion on both surfaces of the articular cartilage. Condensation of subchondral bone has developed adjacent to areas of cartilage erosion, being more marked in the phalanx than in metatars

Cartilage: Norm...tis

Cartilage: Normal and Osteoarthritis

The section of normal hip articular cartilage (top) is stained with brilliant red and shows an abundance of acid mucopolysaccharide diffusely distributed except for the superficial zone (lamina splendans). Degenerative changes are seen in the articular c

Osteoarthritis:...ion

Osteoarthritis: Cartilage, Clefts and Fibrillation

Early degenerative changes are present in this articular cartilage. Small tangential clefts are seen on the surface of the already altered hyaline cartilage. A deeper vertical cleft has appeared, and the splitting process of fibrillation is already under

Osteoarthritis:...sis

Osteoarthritis: Articular Rice Body, Synovial Chondromatosis

This photomicrograph (hematoxylin and eosin) of an intraarticular ďrice bodyĒ reveals the characteristic appearance of synovial chondromatosis with chondrocytes in cartilage-like collagen matrix

Osteoarthritis:...ine

Osteoarthritis: Cervical Spine

Disc space narrowing from C4 to C7 is present on this lateral view.

Osteoarthritis:...sis

Osteoarthritis: Cervical Spine, Spondylosis

There is narrowing of the interspace between C5 and C6, with osteophytes arising from adjacent bony margins both anteriorly and posteriorly. The remaining intervertebral spaces and posterior articulations are normal. These findings are associated with ost

Osteoarthritis:...ent

Osteoarthritis: Cervical Vertebrae, Foraminal Encroachment

This oblique view of the cervical spine shows large osteophytes projecting posteriorly from the vertebral bodies into the intervertebral foramina between the third and fourth, fifth and sixth, and sixth and seventh vertebrae. This can cause irritation or

Osteoarthritis:...ine

Osteoarthritis: Cervical Spine

This oblique view shows osteophytes due to Luschka (uncovertebral) joint hypertrophy encroaching on the neural foramina on the left at C4-5 (arrow), C5-C6 , and C6-C7.

Osteoarthritis:...ine

Osteoarthritis: Cervical Spine

In the T1-weighted sagittal image, an osteophyte (arrow) arises from the posterior aspect of C5 and impinges on the spinal cord at the C5-6 interspace. See image 99-04-0020 for axial view.

Osteoarthritis:...ine

Osteoarthritis: Cervical Spine

The axial image shows that at C5-6, the patient in image 99-04-0019 had severe spinal stenosis (arrow) secondary to a hypertrophic spur on the left and arising from the posterior aspect of the vertebral end plate.

 
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