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Enchondromas

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Enchondromas

Enchilada-Condiments
Mari_navia54360
11 KEY FACTS
Benign Cartilaginous Tumors
Benign-bunny Cartilage-cart

Enchondromas are benign cartilaginous tumors.

ORIGINS
Growth Plate Cartilage Remnants
Growing Plates

Enchondromas can arise from cartilage remnants in the growth plate.

Chondrocytes that Proliferate and Enlarge
Large Condiment

Another possible origin of enchondromas is, as the name implies, chondrocytes that multiply and enlarge.

LOCATION
Medullary Cavity
Medusa Cavities

Enchondromas grow in the medullary cavity, making them central lesions that can expand outwards.

Metaphysis
Metal Fist

Enchondromas arise primarily in the medullary cavity of the metaphysis of long bones.

Long Bones of the Hands and Feet
Hand Bones and Foot Bones

The primary location of enchondromas is the medullary cavity of the metaphysis of the long bones of the hands and feet. The epiphysis of the proximal humerus, distal femur, and proximal tibia are the most prevalent sites.

Humerus and Femur
Humerus and Femur

Enchondromas can also be found in the medullary cavity of the metaphysis of the humerus and femur.

CLINICAL FINDINGS
Small, Central Lesions
Central Leech

On imaging findings, they can be seen as small, well-defined, central lesions. They grow outwardly and can cause pathologic fractures.

Well-Circumscribed Nodules of Hyaline Cartilage
Well-circumscribed-helmet Nodule-knob of Hyaline-highlighter and Cartilage-cart

Histologically, they can be described as well-circumscribed nodules of hyaline cartilage.

Calcifications
Calcified-cow

A very important aspect that characterizes enchondromas is the presence of punctate calcifications of the chondroid matrix.

TREATMENT
Surgery
Surgeon

Treatment consists primarily of surgical removal of the tumor via curettage with bone grafting. Recurrence is uncommon after curettage and bone grafting. However, enchondroma lesions involving long bones are associated with a higher risk of recurrence.

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