Question:

Concerning the non-neoplastic entities considered in the differential diagnosis of inflammatory urinary bladder pseudotumor, please choose the correct sentence:
1. Urinary bladder endometriosis may be excluded in women without history of pelvic surgery.
2. Endometriotic masses are non-enhancing masses.
3. Tuberculosis of the urinary bladder is a common disease in Europe and North America.
4. Fistulas or sinus tracts are demonstrated better on CT or MRI.
5. Urothelial carcinoma is the most frequent neoplasm associated to urinary bladder schistosomiasis.





Answer:

The correct answer for the question "Concerning the non-neoplastic entities considered in the differential diagnosis of inflammatory urinary bladder pseudotumor, please choose the correct sentence:" is:

4. Fistulas or sinus tracts are demonstrated better on CT or MRI.



Explanation
a. Urinary bladder endometriosis may occur spontaneously, even in women without history of pelvic surgery. [Urinary bladder endometriosis can occur spontaneously or following pelvic surgery.]
b. Endometriotic masses may enhance. [Endometriotic masses may enhance, either homogeneously or peripherally.]
c. Tuberculosis of the urinary bladder is rare in Europe and North America. [Tuberculosis of the urinary bladder is uncommon in western countries.]
d. CT and MRI are the most appropriate methods to demonstrate fistulas or sinus tracts. [Urinary bladder tuberculosis may be complicated by fistulas or sinus tract formation, although these complications are rare and are demonstrated better on CT or MRI.]
e. Squamous cell carcinoma is the most frequent neoplasm associated to urinary bladder schistosomiasis. [A mass may be secondary to inflammation or complicating carcinoma, typically squamous cell carcinoma.]



From the manuscript:
Inflammatory Pseudotumor of the Urinary Bladder
Radiology Case. 2015 Jan; 9(1):36-42


This article belongs to the GU section.




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From the manuscript

Inflammatory Pseudotumor of the Urinary Bladder

Free full text article: Inflammatory Pseudotumor of the Urinary Bladder

Abstract
We report a case of an inflammatory pseudotumor of the urinary bladder in a 31 year-old woman. She presented at the emergency room with low abdominal pain and urinary symptoms. Abdominal ultrasound, computed tomography and magnetic resonance imaging were performed and revealed asymmetric thickening of the urinary bladder wall. Cystoscopy with urinary cytology revealed a benign nature of the process. The patient underwent partial cystectomy and the pathologic examination of the specimen revealed an inflammatory pseudotumor. We reviewed the clinical, imaging and pathological features of the inflammatory pseudotumor of the urinary bladder and discussed its differential diagnosis.






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