Question:

What is correct in regard to tracheal agenesis?
1. Most patients survive.
2. Tracheal agenesis is usually not combined with other anomalies.
3. It is a ratio 2:1 male/female.
4. Weak audible cry after birth is one clinical sign of tracheal agenesis.
5. Tracheal agenesis is a quite common anomaly





Answer:

The correct answer for the question "What is correct in regard to tracheal agenesis?" is:

3. It is a ratio 2:1 male/female.



Explanation
"The incidence of tracheal agenesis is approximately 1:50 000 with a male/female ratio of 2:1." There are some reports about a few long term survivors, but most patients die right after birth. It is a rare anomaly usually combined with other anomalies like cardiovascular and gastrointestinal anomalies. One clinical sign is the lack of crying.



From the manuscript:
Tracheal agenesis - a report of two cases
Radiology Case. 2009 Jul; 3(7):11-16


This article belongs to the Pediatric section.




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From the manuscript

Tracheal agenesis - a report of two cases

Free full text article: Tracheal agenesis - a report of two cases

Abstract
Tracheal agenesis is a rare and in most cases lethal anomaly. It may be suspected because of lack of audible crying, and is often diagnosed right after birth with water soluble contrast medium injected into the oesophagus. We report two cases which were identified at our institution in the last 10 years. Imaging studies and medical records were reviewed in both cases. Patient number one was studied with a single slice computed tomography, patient number two with multislice detector computed tomography (MDCT) with 64 rows. The advantage of MDCT in demonstrating the rare condition of tracheal agenesis and with the same examination showing other coexisting anomalies is discussed. Conclusion: MDCT with 64 rows is an excellent diagnostic tool in diagnosing tracheal agenesis and showing other coexisting anomalies at the same time.






References



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