Question:

What is the typical signal of granulomatous epididymitis on color Doppler sonography? (more than one answer can apply)
1. Diffuse Doppler signal within the epididymis.
2. Focal linear signal at the periphery of the epididymis.
3. Focal Doppler signal at the periphery of the epididymis.
4. No Doppler signal within the epidymis.
5. Normal Doppler signal within the epididymis.





Answer:

The correct answers for the question "What is the typical signal of granulomatous epididymitis on color Doppler sonography? (more than one answer can apply)" are:

2. Focal linear signal at the periphery of the epididymis.

3. Focal Doppler signal at the periphery of the epididymis.



Explanation
1. Diffuse doppler signal within the epididymis is characteristic of non-granulomatous epididymitis. [On color Doppler sonography, non-granulomatous epididymitis usually shows Doppler signal within the affected epididymis whereas granulomatous epididymitis may show linear or focal Doppler signal at the periphery of the epididymis.]

2 and 3. Focal linear signal at the periphery of the epididymis is characteristic of granulomatous epididymitis. [On color Doppler sonography, non-granulomatous epididymitis usually shows Doppler signal within the affected epididymis whereas granulomatous epididymitis may show linear or focal Doppler signal at the periphery of the epididymis.]

4. Does not apply.

5. Does not apply.



From the manuscript:
"BCGitis": A rare case of tuberculous epididymo-orchitis following intravesical Bacillus Calmette-Guérin therapy
Radiology Case. 2012 Nov; 6(11):16-21


This article belongs to the GU section.




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From the manuscript

"BCGitis": A rare case of tuberculous epididymo-orchitis following intravesical Bacillus Calmette-Guérin therapy

Free full text article:

Abstract
Tuberculous epididymo-orchitis is a rare complication of intravesical Bacillus Calmette-Guérin (BCG) therapy for urothelial cancer of the bladder. We present such a case, describe its sonographic appearance and review the literature. The difficulties in diagnosing this condition based on imaging alone, given the extensive overlap with the appearance of bacterial epididymo-orchitis, malignant testicular disease and testicular torsion, are discussed. Adequate knowledge of tuberculous epididymo-orchitis is of capital importance in order to ensure a proper diagnosis and treatment.






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