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Clinical symptoms and signs of ovarian torsion are often nonspecific, and imaging studies have a crucial role in making an accurate timely diagnosis. Ultrasound with color Doppler is often the initial investigation. However, as illustrated in our case, a normal Doppler study cannot exclude the diagnosis of ovarian torsion, and MRI should be performed if a high degree of concern for ovarian torsion persists. We report a case of a case of an 18-year-old female who was diagnosed with ovarian torsion on MRI. To the best of our knowledge, "whirlpool sign on MRI" has not been reported previously. If this sign is present, a specific diagnosis of ovarian torsion can be made.

We report two adult patients with varied urologic symptoms who were found to have inflammatory pseudotumor on histopathology. The first patient had a large, solid, enhancing retroperitoneal mass lesion and presented with increased frequency of urination and recurrent urinary tract infections. The second patient had an obstructing left distal ureteric stricture and presented with painless hematuria. Though preoperative radiological diagnosis of this entity is not feasible, the present article illustrates the imaging findings in this unusual disease entity with review of the relevant literature.