Case Study I

Young patient presents with acute pain and locking of the knee.

MRI examination revealed a mass lession in the parapatellar pouch.

Case was successfully treated by all arthroscopic resection

Arthroscopy view of the mass

Gross Specimen- a large mass 5 cm* 3 cm *1.5 cm , but successfully removed with arthroscopy

Histopathological view of the mass showing features of PVNS