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Dublin Quayside on the river Liffey

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User Cases

Individual cases from Radiolopolis citizens

Esophageal web
Author: Wael Nemattalla
Hits: 498
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Description: Esophageal web is anterior persistent shelf-like indentation and is differentiated from prominent cricopharyngeus muscle which is always posterior [C5-C6 level] and may be transient. Prominent esophageal venous plexus is seen indenting esophagus anteriorly and superior to the aforementioned lesions.

Retrosternal goiter with left vocal cord paralysis
Author: Wael Nemattalla
Hits: 443
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Description: Elderly male with hoarseness of voice and anterior neck swelling. CT shows asymmetric pyriform sinuses with thickened left aryepiglottic fold suggestive of vocal cord paralysis. More caudal CT cuts shows large right thyroid goiter with heterogeneous enhancement. Involvement of left recurrent laryngeal nerve was suggested. In elderly we can suggest anaplastic thyroid cancer and in our patient extension into aorto-pulmonary window is possible.

Retrosternal goiter with left vocal cord paralysis
Author: Wael Nemattalla
Hits: 412
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Description: Elderly male with hoarseness of voice and anterior neck swelling. CT shows asymmetric pyriform sinuses with thickened left aryepiglottic fold suggestive of vocal cord paralysis. More caudal CT cuts shows large right thyroid goiter with heterogeneous enhancement. Involvement of left recurrent laryngeal nerve was suggested. In elderly we can suggest anaplastic thyroid cancer and in our patient extension into aorto-pulmonary window is possible.

$Stress fracture$

Stress fracture
Author: Wael Nemattalla
Hits: 342
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Description: Stress fractures are either fatigue fractures or insufficiency fractures. In our elderly female patient with history of trauma a transverse femoral shaft fracture is seen involving lateral cortex. Other incidental finding is small fracture involving concave surface of upper medial femur. I think about insufficiency fractures because of transverse and incomplete nature of femoral shaft fracture and involvement of concave surface of femur as stress fractures are common at concave surfaces of bones.

Pars defect
Author: Wael Nemattalla
Hits: 475
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Description: Pars defect is seen at L5 level. Pars defect can be apparent from lateral radiographic view of spine and if large enough can be apparent from AP view; however confident diagnosis is either form oblique views or axial CT. Bilateral pars defects is usually associated with spondylolisthesis unlike unilateral pars defect. Only 50% of spondylolisthesis is associated with pars defect.

Mediastinal shift due to chest wall deformity
Author: Wael Nemattalla
Hits: 367
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Description: This elderly female patient 90 years old presented with non-specific symptoms. No significant past medial or surgical history referable to chest. Note the chest wall deformity and rightward mediastinal shift. Of note is an incidental finding of large hiatus hernia. Note right-sided aorta inferiorly because of tortuousity and mass effect from hernia.

Enlarged nasopharyngeal tonsils[adenoid]
Author: Wael Nemattalla
Hits: 909
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Description: The first row CT in this child reveals soft tissue enlargement at upper posterior nasopharynx typical for adenoid; it should not be mistaken for mass lesion. In elderly this appearance is suspicious for nasopharyngeal carcinoma.

Simple pneumonectomy
Author: Wael Nemattalla
Hits: 348
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Description: 64-year-old man with right pneumonectomy for bronchogenic carcinoma. This is normal post-op findings. Pleural sac is filled by clear fluid. Pleura is thin.