Table 2.
Detailed location of PET-positive inguinal LN at primary diagnosis of anal cancer
| Pat. No | LN No | LN station | Cranio-caudal distance in cm | Vessels radial distance in cm | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| LN Diameter | Saphenous junction (RTOG) | Anal verge | Lesser tuberosity (AGITG) | Lesser trochanter (BNG) | Fem. | Saph. | Skin | |||
| 1 | 1 | inferior | 1.2 | −1 | + 2.1 | + 2.4 | + 3 | 1.2 | 0.6 | 0.8 |
| 2 | inferior | 1.4 | -1 | + 2.1 | + 2.4 | + 3 | 1.4 | 0.7 | 1.1 | |
| 2 | 3 | superomedial | 1.7 | 0 | + 0.9 | + 1.5 | + 2.4 | 2.1 | – | 0.9 |
| 4 | superomedial | 1.6 | −3 | −0.5 | 0 | + 1.0 | 2.4 | 0.8 | 1.2 | |
| 5 | inferior | 1.5 | −4 | −1.5 | − 0.5 | 0 | 1.4 | 0.9 | 1.2 | |
| 6 | inferior | 1.3 | −3 | −0.5 | + 0.5 | + 1.0 | 2.1 | 1.0 | 0.7 | |
| 7 | inferior | 1.0 | −1 | + 1.0 | + 1.5 | +4.0 | 0.8 | 0.9 | 1.6 | |
| 3 | 8 | superomedial | 1.0 | −0.3 | 3.3 | 3.3 | 3.9 | 1.1 | 0.5 | 0.9 |
| 4 | 9 | inferior | 1.2 | −5.5 | −2.5 | −2.5 | −0,5 | 1.8 | 0.7 | 1.6 |
| 10 | inferior | 2.6 | −3 | 0 | 0 | + 2 | 2.4 | 1.0 | 2.1 | |
| 11 | inferior | 1.0 | -3 | 0 | 0 | + 2 | 1.7 | 0.7 | 2.5 | |
| 12 | inferior | 1.0 | −2.5 | + 1.0 | + 0.5 | + 2.5 | 0.8 | 0.6 | 2.9 | |
| 13 | profound | 2.6 | 0 | +4 | + 3 | +4.5 | 1.7 | 1.3 | 1.2 | |
| 14 | superolateral | 2.1 | + 1.5 | + 5 | +4 | + 6 | 2.6 | – | 0.8 | |
| 15 | superolateral | 0.8 | +4.5 | + 7 | + 6.0 | + 7.5 | 2.8 | – | 0.6 | |
| 16 | inferior | 1.0 | −2 | + 3 | + 1.5 | +4.0 | 0.7 | 1.1 | 2.9 | |
| 17 | superomedial | 2.3 | −1.2 | + 3.6 | + 4.1 | + 5.7 | 1.4 | 1.3 | 1.1 | |
| 18 | profound | 0.6 | + 3.3 | + 6.3 | + 7.2 | + 8.9 | 0.4 | – | 3.9 | |
| 19 | profound | 1.0 | +4.5 | + 7.5 | + 7.8 | + 9.3 | 0.8 | – | 4.5 | |
| 20 | profound | 0.6 | + 1.3 | +4.3 | +4.8 | + 6.7 | 0.4 | – | 2.8 | |
| 21 | profound | 1.0 | + 2.9 | + 5.4 | + 5.4 | + 7.3 | 0.6 | – | 3.0 | |
| 22 | profound | 0.9 | + 3.2 | + 6.4 | + 7.3 | + 8.9 | 0.7 | – | 2.4 | |
| 5 | 23 | superomedial | 0.9 | −1.4 | + 5.5 | + 3.4 | + 5.4 | 0.7 | 0.7 | 2.7 |
| 6 | 24 | superomedial | 1.1 | + 1,4 | + 7.5 | + 5.1 | + 6.6 | 0.7 | 0.7 | 0.9 |
| 7 | 25 | superomedial | 1.4 | + 2.5 | + 7.4 | + 6.3 | + 6.4 | 2.5 | – | 2.8 |
| 8 | 26 | superomedial | 1.3 | −1.6 | + 3,6 | + 3,6 | + 3,6 | 1.4 | 0.6 | 2.9 |
| 27 | profound | 1.9 | −1.8 | + 3.9 | + 3.9 | + 3.7 | 1.3 | 1.0 | 1.6 | |
| 28 | profound | 2.1 | 0 | +4.3 | +4.5 | +4.4 | 1.1 | 1.5 | 3.1 | |
| 29 | profound | 1.2 | 0 | + 5.2 | + 5.2 | + 5.3 | 1.9 | 1.5 | 2.4 | |
| 30 | superolateral | 1.4 | + 2.3 | + 5.5 | + 5.4 | + 5.4 | 1.7 | – | 2.1 | |
| 31 | profound | 1.0 | + 2.0 | + 5.3 | + 5.3 | + 5.4 | 0.6 | – | 5.5 | |
| 9 | 32 | superomedial | 1.3 | + 2.1 | + 5.1 | + 5.6 | + 7.0 | 0.7 | – | 0.7 |
| 33 | profound | 1.6 | + 1.6 | + 5.6 | + 5.0 | + 6.4 | 0.9 | – | 0.9 | |
| 10 | 34 | inferior | 1.4 | −5.7 | −2.6 | −0.7 | −0.2 | 2.8 | 0.8 | 1.3 |
| 35 | inferior | 1.3 | −5.6 | −2.6 | −0.6 | 0 | 2.3 | 0.7 | 1.5 | |
| 36 | inferior | 1.5 | −2.8 | −0.7 | + 1.3 | 3.2 | 1.3 | 0.8 | 1.3 | |
| 37 | inferior | 1.2 | −2.8 | −0.7 | + 1.4 | + 3.3 | 1.4 | 0.8 | 1.5 | |
| 38 | superomedial | 0.9 | −1.9 | + 1.3 | + 3.4 | +4.3 | 1.7 | 0.4 | 1.3 | |
| 39 | superolateral | 1.2 | − 0.6 | + 3.1 | + 5.1 | + 6 | 1.3 | – | 0.7 | |
| 40 | profound | 1.0 | + 1.5 | + 3.9 | + 5.8 | + 6.9 | 0.7 | – | 0.8 | |
| 41 | profound | 1.0 | + 2.5 | +4.9 | + 6.8 | + 7.9 | 0.6 | – | 1.5 | |
| 42 | inferior | 0.8 | −1.9 | + 1.4 | + 3.4 | +4.3 | 0.7 | 0.4 | 1.0 | |
| 43 | profound | 1.2 | −1.6 | + 2.1 | +4.1 | + 5.1 | 0.8 | 1.0 | 3.0 | |
| 44 | superomedial | 1.0 | + 1.5 | + 3.9 | + 5.9 | + 7.0 | 1.5 | – | 1.4 | |
| 45 | superomedial | 0.9 | + 2.4 | +4.9 | + 6.9 | + 7.8 | 1.4 | – | 1.1 | |
| 46 | profound | 0.8 | + 2.4 | +4.9 | + 6.9 | + 7.9 | 1.5 | – | 0.8 | |
| 47 | profound | 0.7 | + 2.3 | +4.8 | + 6.8 | + 7.8 | 1.3 | – | 0.3 | |
| 48 | superolateral | 0.7 | + 3.4 | + 5.3 | + 7.3 | + 8.3 | 0.9 | – | 0.6 | |
| 49 | superolateral | 0.8 | + 3.9 | 5.9 | + 7.8 | + 8.9 | 1.1 | – | 0.6 | |
LN = Lymph node, Pat. = Patient, No = number, cm = centimetre, Saph. = great saphenous vein, Fem. = femoral vessels. RTOG = Radiation Oncology Group, AGITG = Australasian Gastrointestinal Trials Group, BNG = British National Guidance. + = cranial distance, − = caudal distance. Red = LN mainly outside elective CTV.