Weekly Case

Title : Case 139

Age / Sex : 25 / M



Age / Sex :  25/M


Chief complaint : palpable mass at the proximal tibia





1) What is your impression?

Two weeks later, you can see the final diagnosis with a brief discussion of this case.

* Send Application Answers to Ja-Young Choi, MD (drchoi01@gmail.com)

Courtesy : Kyung Nam Ryu, MD., Kyung Hee University Medical Center


Diagnosis:

tibial and pretibial ganglion cyst



Discussion


Finding:
Bone erosion of tibial tunnel for ACL reconstruction,


cystic lesion at the tibial tunnel and pretibial space


 


Differential Diagnosis: mucoid degeneration of graft


 


Diagnosis: pretibial and tibial ganglion cyst


 


Discussion: pretibial cysts may be caused by necrosis of tendons during the process of incorporation into the osseous tunnel at 6 to 12 months after ACL reconstruction


 


References:


Martinek V, Friederich NF (1999) tibial and pretibial cyst formation after anterior cruciate ligament reconstruction with bioabsorbalbe interference screw fixation. Arthroscopy 15:317-320

Sekiya JK, Elkousy HA, Fu FH (2004) Recurrent pretibial ganglion cyst formation over 5 years after anterior cruciate ligament reconstruction, Arthroscopy 20:317-321



Correct Answer
Name Institution
Total Applicants (7)
Correct Answer (3)
이승훈: 고대구로병원
채지원: 보라매병원
임효진: 강북삼성병원(전공의0
Semicorrect Answer (3)
김혜린: 부천순천향병원 (전공의)
김완태: 서울보훈병원
박희진: 명지병원

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