This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Orthopaedics
The frozen pelvis is seen in 
Select and explain. 
A. Osteoahritis, B. Potts disease, C. Actinomycosis, D. Reiters disease
B: Potts disease
Answer: B: Potts disease 
Explanation: A term for significant involvement of the pelvic floor by malignancy, usually carcinoma, or tuberculosis; in which there is a massive extension of pathology to the urinary bladder, female genital tract, and sigmoid colon. Adequate resection of a frozen pelvis is viually impossible; chemotherapy and radiation therapy are palliatives at best(Refer: Mohindra's Fundamentals of Ohopedics, 2nd edition, pg no. 300)