II. Definitions

  1. Apophysis
    1. Secondary ossification sites for tendon insertions
  2. Apophysitis
    1. Apophyseal inflammation prior to Growth Plate closure

III. Pathophysiology

  1. Bone grows faster than muscle and tendon during growth spurt in adolescents
  2. Results in a physiologic inflexibility at the apophyses

IV. Epidemiology

  1. Apophysitis is seen most commonly in young athletes
  2. Pelvis is the most common site of Apophyseal Fracture

V. Causes: Sites of Apophyseal Injury: General

VI. Causes: Sites of Apophyseal Injury: Pelvis

  1. Anterior Superior Iliac Spine
    1. Sartorius tendon insertion
  2. Anterior Iliac Spine
    1. Rectus Femoris tendon insertion
  3. Ischial tuberosity
    1. Hamstring tendon insertion
  4. Iliac Crest
    1. Transverse abdominis insertion
    2. External oblique insertion
    3. Internal oblique tendon insertion

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Ontology: Apophysitis (C0264110)

Concepts Disease or Syndrome (T047)
ICD10 M93.9
SnomedCT 268125000, 203422003, 156822009, 29321007
English Apophysitis NOS, apophysitis, Apophysitis NOS (disorder), Apophysitis, Apophysitis (disorder), Apophysitis, NOS, Apophysitis not specified as adult or juvenile, of unspecified site
Spanish Apofisitis, apofisitis, SAI (trastorno), apofisitis, SAI, apofisitis (trastorno), apofisitis
Portuguese Apofisite
Dutch apofysitis
French Apophysite
German Apophysitis
Hungarian Apophysitis
Czech Zánět apofýzy
Italian Apofisite
Japanese コツキブエン, コッキブエン, 骨基部炎