Two cases of dorsal defect of the patella with arthroscopically visible cartilage surface perforations.

@article{Sueyoshi1993TwoCO,
  title={Two cases of dorsal defect of the patella with arthroscopically visible cartilage surface perforations.},
  author={Y Sueyoshi and E. Shimozaki and T Matsumoto and Katsurou Tomita},
  journal={Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association},
  year={1993},
  volume={9 2},
  pages={
          164-9
        }
}
Dorsal defect of the patella is an approximately 1-cm, circular, radiolucent, well-marginated benign lesion invariably located in the superlateral aspect of the patella. Only approximately 50 cases have been described in the world literature, of which < 10 cases have been studied histologically. We report two patients with bilateral, virtually symmetrical, dorsal defects of the patella and describe the arthroscopic and histologic findings. Case 1 was a 14-year-old girl and case 2 was a 35-year… CONTINUE READING