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 | |
| C | Bayer LeverkusenB. Leverkusen | 32 | 26 | 6 | 0 | 82 | 23 | 59 | 84 |
| 2 | Bayern MunichBayern | 32 | 22 | 3 | 7 | 90 | 41 | 49 | 69 |
| 3 | Stuttgart | 32 | 21 | 4 | 7 | 73 | 39 | 34 | 67 |
| 4 | RB Leipzig | 32 | 19 | 6 | 7 | 74 | 36 | 38 | 63 |
| 5 | Borussia DortmundDortmund | 32 | 17 | 9 | 6 | 64 | 40 | 24 | 60 |
| 6 | Eintracht FrankfurtFrankfurt | 32 | 11 | 12 | 9 | 48 | 47 | 1 | 45 |
| 7 | Freiburg | 32 | 11 | 8 | 13 | 43 | 55 | -12 | 41 |
| 8 | Hoffenheim | 32 | 11 | 7 | 14 | 56 | 64 | -8 | 40 |
| 9 | Augsburg | 32 | 10 | 9 | 13 | 49 | 57 | -8 | 39 |
| 10 | Heidenheim | 32 | 9 | 11 | 12 | 45 | 53 | -8 | 38 |
| 11 | Werder Bremen | 32 | 10 | 8 | 14 | 43 | 52 | -9 | 38 |
| 12 | Wolfsburg | 32 | 10 | 7 | 15 | 40 | 51 | -11 | 37 |
| 13 | Borussia MonchengladbachBorussia M'bach | 32 | 7 | 12 | 13 | 55 | 62 | -7 | 33 |
| 14 | VfL BochumVfL Bochum | 32 | 7 | 12 | 13 | 41 | 65 | -24 | 33 |
| 15 | Union BerlinUnion Berlin | 32 | 8 | 6 | 18 | 29 | 54 | -25 | 30 |
| 16 | Mainz 05Mainz | 32 | 5 | 14 | 13 | 33 | 50 | -17 | 29 |
| 17 | FC Koln | 32 | 4 | 12 | 16 | 24 | 54 | -30 | 24 |
| R | SV Darmstadt 98Darmstadt | 32 | 3 | 8 | 21 | 30 | 76 | -46 | 17 |
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