Widening of the diploic space
Updates to Article Attributes
Title
was changed:
Widening of diplocdiploic space
Body
was changed:
Widening of diplocdiploic space refers to diffuse, most commonly bilateral, calvarium widening secondary to extra-medullaryextramedullary hematopoiesis within the skull.
Causes
Most commonly caused by systemic underlying pathologies such as:
- chronic haemolytic disorders
including: may be associated with vertical striations running in diploic space giving rise to the characteristic hair on end signSickle cell disease,Thalassaemia,Iron deficiency anaemiaand other chronic severe anaemias. In those cases it(mnemonic) -
sickle cell disease
. - thalassaemia
- iron deficiency anaemia
- and other chronic severe anaemias
-
sickle cell disease
- metabolic disorders
including - overgrowth
secondary to-
Microcephalymicrocephalyor chronicHydrocephalus
-
- medication
including PhenytoinPhenytoin cerebellar degeneration- phenytoin
-<p><strong>Widening of diploc space </strong>refers to diffuse, most commonly bilateral, calvarium widening secondary to extra-medullary hematopoiesis within skull.</p><h4><strong>Causes</strong></h4><p>Most commonly caused by systemic underlying pathologies such as:</p><ul>-<li>chronic haemolytic disorders including <a href="/articles/sickle-cell-disease">Sickle cell disease</a>, <a href="/articles/thalassaemia">Thalassaemia</a>, <a href="/articles/iron-deficiency-anaemia">Iron deficiency anaemia</a> and other chronic severe anaemias. In those cases it may be associated with vertical striations running in diploic space giving rise to characteristic <a href="/articles/hair-on-end-sign-mnemonic">Hair on end sign (mnemonic)</a>. </li>-<li>metabolic disorders including <a href="/articles/renal-osteodystrophy">Renal osteodystrophy</a>, <a href="/articles/hyperparathyroidism">Hyperparathyroidism</a>- +<p><strong>Widening of diploic space </strong>refers to diffuse, most commonly bilateral, calvarium widening secondary to extramedullary hematopoiesis within the skull.</p><h4><strong>Causes</strong></h4><p>Most commonly caused by systemic underlying pathologies such as:</p><ul>
- +<li>chronic haemolytic disorders: may be associated with vertical striations running in diploic space giving rise to the characteristic <a title="Hair on end sign (mnemonic)" href="/articles/hair-on-end-sign-mnemonic">hair on end sign</a>
-<li>overgrowth secondary to <a href="/articles/microcephaly">Microcephaly</a> or chronic <a href="/articles/hydrocephalus">Hydrocephalus</a>- +<li><ul>
- +<li><a href="/articles/sickle-cell-disease">sickle cell disease</a></li>
- +<li><a href="/articles/thalassaemia">thalassaemia</a></li>
- +<li><a title="Iron deficiency anaemia" href="/articles/iron-deficiency-anaemia">iron deficiency anaemia</a></li>
- +<li>and other chronic severe anaemias</li>
- +</ul></li>
- +<li>metabolic disorders<ul>
- +<li><a href="/articles/renal-osteodystrophy">renal osteodystrophy</a></li>
- +<li><a href="/articles/hyperparathyroidism">hyperparathyroidism</a></li>
- +</ul>
-<li>medication including Phenytoin <a href="/articles/phenytoin-cerebellar-degeneration">Phenytoin cerebellar degeneration</a>- +<li>overgrowth<ul><li><a href="/articles/microcephaly">microcephaly</a></li></ul>
- +</li>
- +<li>medication<ul><li>phenytoin</li></ul>