X-ray
Lateral
Modality: X-ray (Lateral)

- “ Histiocytosis X is most often seen in children ages 1 to 15  with the peak incidence at 1-4years of age. The rate peaks among children ages 5 to1...”

Used in the following article:

  • Langerhans cell histiocytosis (skeletal manifestations) - “ The skeleton is the most commonly involved organ system in Langerhans cell histiocytosis (LCH) and is by far the most common location for single-l...”
  • Hole within a hole sign - “ The hole within a hole sign or bevelled edge sign describes one classic appearance of lytic skull lesions in patients with eosinophilic granuloma....”
  • Skeletal sarcoidosis - “ Skeletal sarcoidosis is an uncommon manifestation of sarcoidosis. Epidemiology Skeletal involvement is thought to occur in ~1-13% of patients wi...”
  • Lucent/lytic skull lesions (mnemonic) - “ A mnemonic to remember the causes of lucent/lytic skull lesions is: MEL TORME Mnemonic MEL TORME M: metastasis E: eosinophilic granuloma L: ...”
  • Geographic skull - “ A geographic skull is a radiographic appearance which is seen in eosinophilic granuloma (EG) and characterized by destructive lytic bone lesions, ...”

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