Sutural diastasis
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Sutural diastasis is an abnormal widening of the skull sutures. It may be physiological in a neonate in growth spurt.
Pathology
In non traumatic scenario accelerated growth of the sutural connective tissue without concurrent ossification is the underlying pathology.
Causes
- traumatic
- raised intracranial pressure such as intracerebral tumor, hydrocephalus ,subdural collection
- infiltration of the sutures example leukemia, lymphoma, neuroblastoma
- metabolic like hypoparathyroidism, rickets and hypophospahatasia
Radiological findingRadiographic features
- widening of the sutures may be appreciated on plain radiograph and is better still appreciated on CT.
- the suture width of > 10 mm at brith, > 3mm at 2 years and >2mm at 3 years are considered to be diagnostic of sutural diastasis.
- in case of trauma, it may be associated with or without fractures
- in case of mass lesions or elevated intracranial pressure, secondary evidence of the same would be demonstrated
Causes
traumaticraised intracranial pressure such as intracerebral tumor, hydrocephalus ,subdural collectioninfiltration of the sutures example leukemia, lymphoma, neuroblastoma-
metabolic like hypoparathyroidism, rickets and hypophospahatasia.
See also
-<p><strong>Sutural diastasis</strong> is an abnormal widening of the skull sutures. It may be physiological in a neonate in growth spurt. </p><h4>Pathology</h4><p>In non traumatic scenario accelerated growth of the sutural connective tissue without concurrent ossification is the underlying pathology. </p><h4>Radiological finding</h4><ul>-<li>widening of the sutures may be appreciated on plain radiograph and is better still appreciated on CT.</li>-<li>the suture width of > 10 mm at brith, > 3mm at 2 years and >2mm at 3 years are considered to be diagnostic of sutural diastasis.</li>-<li>in case of trauma, it may be associated with or without fractures</li>-<li>in case of mass lesions or elevated intracranial pressure, secondary evidence of the same would be demonstrated</li>-</ul><h4>Causes</h4><ul>- +<p><strong>Sutural diastasis</strong> is an abnormal widening of the skull sutures. It may be physiological in a neonate in growth spurt. </p><h4>Pathology</h4><p>In non traumatic scenario accelerated growth of the sutural connective tissue without concurrent ossification is the underlying pathology. </p><h5>Causes</h5><ul>
- +</ul><h4>Radiographic features</h4><ul>
- +<li>widening of the sutures may be appreciated on plain radiograph and is better still appreciated on CT.</li>
- +<li>the suture width of > 10 mm at brith, > 3mm at 2 years and >2mm at 3 years are considered to be diagnostic of sutural diastasis.</li>
- +<li>in case of trauma, it may be associated with or without fractures</li>
- +<li>in case of mass lesions or elevated intracranial pressure, secondary evidence of the same would be demonstrated.</li>
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