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 | 26 | 19 | 5 | 2 | 75 | 24 | 51 | 62 |
| 2 | Bayer LeverkusenB. Leverkusen | 26 | 16 | 8 | 2 | 59 | 33 | 26 | 56 |
| 3 | Mainz 05Mainz | 26 | 13 | 6 | 7 | 44 | 28 | 16 | 45 |
| 4 | Eintracht FrankfurtFrankfurt | 26 | 13 | 6 | 7 | 54 | 40 | 14 | 45 |
| 5 | RB Leipzig | 26 | 11 | 9 | 6 | 41 | 33 | 8 | 42 |
| 6 | Freiburg | 26 | 12 | 6 | 8 | 36 | 38 | -2 | 42 |
| 7 | Borussia MonchengladbachBorussia M'bach | 26 | 12 | 4 | 10 | 43 | 40 | 3 | 40 |
| 8 | Wolfsburg | 26 | 10 | 8 | 8 | 49 | 40 | 9 | 38 |
| 9 | Augsburg | 26 | 10 | 8 | 8 | 29 | 35 | -6 | 38 |
| 10 | Stuttgart | 26 | 10 | 7 | 9 | 47 | 43 | 4 | 37 |
| 11 | Borussia DortmundDortmund | 26 | 10 | 5 | 11 | 45 | 41 | 4 | 35 |
| 12 | Werder Bremen | 26 | 9 | 6 | 11 | 40 | 53 | -13 | 33 |
| 13 | Union BerlinUnion Berlin | 26 | 7 | 7 | 12 | 24 | 38 | -14 | 28 |
| 14 | Hoffenheim | 26 | 6 | 8 | 12 | 32 | 48 | -16 | 26 |
| 15 | St Pauli | 26 | 7 | 4 | 15 | 20 | 30 | -10 | 25 |
| 16 | Heidenheim | 26 | 5 | 4 | 17 | 31 | 52 | -21 | 19 |
| 17 | VfL BochumVfL Bochum | 26 | 4 | 6 | 16 | 26 | 53 | -27 | 18 |
| 18 | Holstein Kiel | 26 | 4 | 5 | 17 | 38 | 64 | -26 | 17 |
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