Widening of the diploic space
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Widening of the diploic space
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Widening of the diploic space refers to expansion of the spongy or cancellous bone between the inner and outer tables of the calavariumcalvarium. The diploic space is the medullary cavity of the skull, and a location of normal physiologic hematopoiesis in adults. Thus, expansion of this structure most commonly occurs in the setting of chronically increased intramedullary hematopoiesis. The widened appearance is most commonly bilateral.
Causes
Most commonly caused by systemic underlying pathologies such as:
- chronic haemolytic disorders: may be associated with vertical striations running in diploic space giving rise to the characteristic hair on end sign
- sickle cell disease
- thalassaemia
- iron deficiency anaemia
- and other chronic severe anaemias
- metabolic disorders
- overgrowth
- medication
- phenytoin
-<p><strong>Widening of diploic space </strong>refers to expansion of the spongy or cancellous bone between the inner and outer tables of the calavarium. The diploic space is the medullary cavity of the skull, and a location of normal physiologic hematopoiesis in adults. Thus, expansion of this structure most commonly occurs in the setting of chronically increased intramedullary hematopoiesis. The widened appearance is most commonly bilateral.</p><h4>Causes</h4><p>Most commonly caused by systemic underlying pathologies such as:</p><ul>- +<p><strong>Widening of the diploic space </strong>refers to expansion of the spongy or cancellous bone between the inner and outer tables of the calvarium. The diploic space is the medullary cavity of the skull, and a location of normal physiologic hematopoiesis in adults. Thus, expansion of this structure most commonly occurs in the setting of chronically increased intramedullary hematopoiesis. The widened appearance is most commonly bilateral.</p><h4>Causes</h4><p>Most commonly caused by systemic pathologies such as:</p><ul>
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