Situs solitus
Updates to Article Attributes
Situs solitus refers to the normal position of the thoracic and abdominal organs.
Radiographic features
Plain film
On plain film, careful attention should be directed at the location of the aortic arch, gastric fundus, cardiac apex, pulmonary fissures and the branching pattern of the bronchi, in order the ensure that the situs is solitus.
The aortic arch, gastric fundus, cardiac apex and splenic shadow should all be left-sided. The bronchi branching pattern should not be symmetrical; the right main bronchus should be shorter and more vertically oriented than the left main bronchus. The minor fissure should be only visible on the right side. The liver shadow should be right-sided.
Ultrasound, CT and MRI
The above findings also apply to these modalities, albeit seen with more precision than on plain film.
See also
-<p><strong>Situs solitus</strong> refers to the normal position of the thoracic and abdominal organs.</p><h4>Radiographic features</h4><h5>Plain film</h5><p>On plain film, careful attention should be directed at the location of the <a href="/articles/aortic_arch" title="Aortic arch">aortic arch</a>, <a href="/articles/gastric-fundus" title="gastric fundus">gastric fundus</a>, <a href="/articles/cardiac-apex" title="cardiac apex">cardiac apex</a>, <a href="/articles/pulmonary-fissures" title="pulmonary fissures">pul</a><a href="/articles/pulmonary-fissures" title="pulmonary fissures">monary fissures</a> and the branching pattern of the <a href="/articles/bronchi" title="bronchi">bronchi</a>, in order the ensure that the situs is solitus.</p><p>The aortic arch, gastric fundus, cardiac apex and splenic shadow should all be left-sided. The bronchi branching pattern should not be symmetrical; the right main bronchus should be shorter and more vertically oriented than the left main bronchus. The minor fissure should be only visible on the right side. The liver shadow should be right-sided.</p><h5><strong>Ultrasound, CT and MRI</strong></h5><p>The above findings also apply to these modalities, albeit seen with more precision than on plain film.</p><h4>See also</h4><ul>-<li><a href="/articles/situs_inversus" style="color: rgb(45, 83, 154);">situs inversus</a></li>-<li><a href="/articles/heterotaxy-syndrome" title="Heterotaxy syndrome" style="color: rgb(45, 83, 154); font-family: Helvetica, Arial, sans-serif;">situs ambiguous</a></li>- +<p><strong>Situs solitus</strong> refers to the normal position of the thoracic and abdominal organs.</p><h4>Radiographic features</h4><h5>Plain film</h5><p>On plain film, careful attention should be directed at the location of the <a href="/articles/aortic-arch">aortic arch</a>, <a href="/articles/gastric-fundus">gastric fundus</a>, <a href="/articles/cardiac-apex">cardiac apex</a>, <a href="/articles/pulmonary-fissures">pul</a><a href="/articles/pulmonary-fissures">monary fissures</a> and the branching pattern of the <a href="/articles/bronchi">bronchi</a>, in order the ensure that the situs is solitus.</p><p>The aortic arch, gastric fundus, cardiac apex and splenic shadow should all be left-sided. The bronchi branching pattern should not be symmetrical; the right main bronchus should be shorter and more vertically oriented than the left main bronchus. The minor fissure should be only visible on the right side. The liver shadow should be right-sided.</p><h5>Ultrasound, CT and MRI</h5><p>The above findings also apply to these modalities, albeit seen with more precision than on plain film.</p><h4>See also</h4><ul>
- +<li><a href="/articles/situs-inversus">situs inversus</a></li>
- +<li><a href="/articles/heterotaxy-syndrome">situs ambiguous</a></li>
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