ConditionBones, joints & muscles

Osteochondrosis

Osteochondrosis is a family of conditions affecting growing bones in children and teenagers, in which the bone and cartilage at a growth center or joint surface are disrupted, often by repeated stress or a temporary loss of blood supply. Common examples are Osgood-Schlatter disease (below the knee), Sever's disease (heel) and Legg-Calvé-Perthes disease (hip). Most cause activity-related pain and heal as the child grows, with rest and activity changes. A few, such as Perthes disease and osteochondritis dissecans, need specialist care.

Also called: Osteochondritis, juvenile osteochondrosis, growth plate disorder, apophysitis

At a glance

What it is
Disorders of growing bone and cartilage at growth centers or joint surfaces in children and teens.
Common types
Osgood-Schlatter (knee), Sever's (heel), Sinding-Larsen-Johansson (kneecap), Perthes (hip), Köhler's (foot), Scheuermann's (spine), osteochondritis dissecans (joints).
Causes
Repetitive stress during growth spurts, and interrupted blood supply in some types.
Symptoms
Activity-related pain, tenderness, swelling, limp, stiffness.
Treatment
Activity changes, ice, stretching, supportive footwear. Bracing or surgery for some hip and joint forms.

When to get help

See a doctor within a day or two

  • A child who suddenly cannot bear weight, or has hip or knee pain with fever
  • A limp with hip, groin or thigh pain in a child aged 4 to 10, especially lasting more than a few days
  • Hip or knee pain in a child aged 10 to 16 with limping or an outward-turned foot (possible slipped capital femoral epiphysis)
  • A knee that locks, catches or gives way

Book a routine appointment

  • Pain below the kneecap or at the heel in an active child that persists despite rest
  • Pain that wakes the child at night or affects school activities
  • A rounded upper back or back pain in a teenager

Usually safe to manage at home

  • Mild activity-related pain at the bump below the knee or at the heel in an active, growing child, improving with rest and ice

What osteochondrosis means

Growing bones have growth plates (physes) near their ends and apophyses, growth centers where tendons attach. Some joint surfaces also grow from secondary ossification centers. During growth spurts, these areas are vulnerable to:

  • traction stress from tight, strong tendons pulling repeatedly (traction apophysitis)
  • compression stress at joint surfaces
  • interrupted blood supply, causing bone to soften and fragment, then gradually heal and remodel

Common types

ConditionLocationTypical ageKey features
Osgood-Schlatter diseaseTibial tubercle (bump below the knee)10 to 15Painful bump, worse with running and jumping
Sinding-Larsen-JohanssonLower edge of kneecap10 to 13Pain at the bottom of the kneecap
Sever's disease (apophysitis)Back of the heel8 to 12Heel pain with running, squeezing the heel hurts
Legg-Calvé-Perthes diseaseBall of the hip4 to 10Painless or painful limp, groin, thigh or knee pain
Köhler's diseaseNavicular bone in the foot4 to 7Pain in the arch, limp
Freiberg's diseaseSecond metatarsal headTeen girlsForefoot pain
Panner's diseaseElbow (capitellum)Under 10Elbow pain, throwing sports
Scheuermann's diseaseThoracic spineTeensRounded upper back (kyphosis), back pain
Osteochondritis dissecansKnee, ankle, elbow joint surfaceTeensPain, swelling, catching or locking

Causes and risk factors

  • rapid growth spurts
  • high-volume sports, especially running, jumping and kicking (soccer, basketball, gymnastics, dance)
  • tight muscles and tendons around growing joints
  • repetitive throwing (elbow)
  • in Perthes disease: temporary loss of blood supply to the hip ball, more common in boys and small-for-age children

Symptoms

  • pain during and after activity that eases with rest
  • tenderness and sometimes swelling over the growth center
  • a visible bump (Osgood-Schlatter)
  • limping
  • stiffness or reduced movement, especially hip rotation in Perthes
  • catching, locking or giving way in osteochondritis dissecans

Hip problems often cause pain felt in the knee. Any child with knee pain and a limp should have the hip examined.

Diagnosis

  • history and examination: location, activities, growth
  • X-rays: confirm many types and rule out fractures or tumors
  • MRI: for osteochondritis dissecans and early Perthes disease
  • blood tests if infection or inflammatory arthritis is possible

Treatment

Traction apophysitis (Osgood-Schlatter, Sever's, Sinding-Larsen-Johansson)

  • reduce, not necessarily stop, aggravating activities
  • ice after activity
  • stretching of the quadriceps, hamstrings and calves
  • heel cups for Sever's disease
  • knee straps for Osgood-Schlatter
  • acetaminophen (paracetamol) or ibuprofen, following the label dose for the child's age and weight
  • symptoms settle as growth plates close

Perthes disease

  • managed by a pediatric orthopedic specialist
  • observation and activity modification for younger children with mild disease
  • physical therapy to maintain hip motion
  • bracing or surgery (osteotomy) in older children or more severe cases

Osteochondritis dissecans

  • stable lesions in young patients: rest from impact sports for 6 to 12 weeks or longer
  • unstable or loose fragments: arthroscopic surgery to fix or remove them

Scheuermann's disease

  • exercise and physical therapy
  • bracing for significant curves in growing teens
  • surgery rarely

Outlook

Most traction apophysitis conditions resolve completely once growth finishes, though a bump below the knee may remain. Perthes disease outcomes depend on age at onset and severity, with younger children doing better. Untreated unstable osteochondritis dissecans can lead to early arthritis.

Frequently asked questions

What is osteochondrosis?

Osteochondrosis is a group of conditions affecting growing bones in children and teens, where bone and cartilage at a growth center or joint surface become inflamed, damaged or temporarily lose blood supply. Common examples are Osgood-Schlatter, Sever's and Perthes disease.

What causes osteochondrosis?

Repetitive stress on growth centers during growth spurts, especially in active children, is the main cause of the traction types. Some types, such as Perthes disease, result from a temporary loss of blood supply to the bone.

Is osteochondrosis serious?

Most types, such as Osgood-Schlatter and Sever's disease, are not serious and resolve with growth. Perthes disease and osteochondritis dissecans can affect long-term joint health and need specialist management.

Can my child keep playing sports with osteochondrosis?

Often yes, with modified training. Children with traction apophysitis can usually play within pain limits. Hip conditions and osteochondritis dissecans may need a longer break. A doctor can advise based on the type.

Does osteochondrosis go away?

Traction types usually go away when the growth plates close in the mid to late teens. Perthes disease heals over 2 to 4 years. Osteochondritis dissecans may heal with rest or need surgery.

Sources

This guide was written from current patient and clinical guidance, including:

  • American Academy of Orthopaedic Surgeons (OrthoInfo): Osgood-Schlatter disease; Perthes disease; Osteochondritis dissecans
  • Pediatric Orthopaedic Society of North America (POSNA): OrthoKids conditions
  • American Academy of Pediatrics: Sports medicine resources
  • NHS: Perthes' disease
  • MedlinePlus: Osteochondrosis