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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Magn Reson Med. 2010 May;63(5):1376–1382. doi: 10.1002/mrm.22272

Figure 5.

Figure 5

Arthroscopic photographs and T1ρ relaxation maps from a 76 year old female (patient 6). This patient was observed at arthroscopy to have grade 1 chondromalacia of the lateral patellar facet and grade 2 chondromalacia of the medial patellar facet. At MRI, both the medial and lateral patellar facets had focal T1ρ lesions (T1ρ = 49.6–56.5 and 53.4–62.3 ms, respectively). Grade 2 chondromalacia was observed in the medial femorotibial compartment at arthroscopy and elevated T1ρ = 43.8–45.3 ms was observed laterally.