The 27-year-old has been suffering with the problem for a number of months and will go under the knife at the end of the season.
Piszczek will then be expected to miss the start of the 2013-14 campaign as he could be out of action for five months.
The Poland international right-back has been at Dortmund since 2010.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Bayern MunichBayern | 16 | 12 | 3 | 1 | 48 | 13 | 35 | 39 |
| 2 | Bayer LeverkusenB. Leverkusen | 16 | 10 | 5 | 1 | 40 | 23 | 17 | 35 |
| 3 | Eintracht FrankfurtFrankfurt | 16 | 9 | 3 | 4 | 36 | 23 | 13 | 30 |
| 4 | RB Leipzig | 16 | 9 | 3 | 4 | 28 | 22 | 6 | 30 |
| 5 | Mainz 05Mainz | 16 | 8 | 4 | 4 | 30 | 20 | 10 | 28 |
| 6 | Freiburg | 16 | 8 | 3 | 5 | 24 | 26 | -2 | 27 |
| 7 | Stuttgart | 16 | 7 | 5 | 4 | 30 | 25 | 5 | 26 |
| 8 | Borussia DortmundDortmund | 16 | 7 | 4 | 5 | 30 | 25 | 5 | 25 |
| 9 | Werder Bremen | 16 | 7 | 4 | 5 | 28 | 29 | -1 | 25 |
| 10 | Wolfsburg | 16 | 7 | 3 | 6 | 33 | 28 | 5 | 24 |
| 11 | Borussia MonchengladbachBorussia M'bach | 16 | 7 | 3 | 6 | 25 | 21 | 4 | 24 |
| 12 | Union BerlinUnion Berlin | 16 | 4 | 5 | 7 | 14 | 21 | -7 | 17 |
| 13 | Augsburg | 16 | 4 | 4 | 8 | 17 | 33 | -16 | 16 |
| 14 | St Pauli | 16 | 4 | 2 | 10 | 12 | 20 | -8 | 14 |
| 15 | Hoffenheim | 16 | 3 | 5 | 8 | 20 | 29 | -9 | 14 |
| 16 | Heidenheim | 16 | 4 | 1 | 11 | 20 | 33 | -13 | 13 |
| 17 | Holstein Kiel | 16 | 2 | 2 | 12 | 21 | 41 | -20 | 8 |
| 18 | VfL BochumVfL Bochum | 16 | 1 | 3 | 12 | 13 | 37 | -24 | 6 |
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