<prompt> Frozen pelvis is seen in -OsteoarthritisPotts diseaseActinomycosisReiters disease  <response>: Ans. is b i.e., Potts disease o A term for significant involvement of the pelvic floor by malignancy, usually carcinoma, or ttuberculosis; in which there is massive extension of pathology to the urinary bladder, female genital tract, and sigmoid colon. Adequate resection of a frozen pelvis is virtually impossible; chemotherapy and radiation therapy are palliative at best. 