Table 1 Morphological characteristics in 73 cases of ovarian clear cell carcinoma
Morphology | Cases (%) |
|---|---|
Growth pattern | |
 Tubulocystic | 5 (6.8) |
 Solid | 2 (2.7) |
 Tubulocystic/Solid | 6 (8.2) |
 Papillary | 25 (34.2) |
 Papillary/Tubulocystic | 20 (27.4) |
 Papillary/Solid | 6 (8.2) |
 Tubulocystic/Solid/Papillary | 9 (12.3) |
 at least focal papillary componen | 60 (82.2) |
Cell type | |
 Clear cell | 11 (15.1) |
 Oxyphil cell | 5 (6.8) |
 Mixed with Clear and oxyphil cell | 57 (78.1) |
 Hobnailing | 41 (56.2) |
 Columnar cell | 2 (2.7) |
Mitotic figures (/10 HPF) | |
 0–9 | 65 (89.0) |
 10–19 | 8 (11.0) |
Stroma | |
 Hyalinized only | 4 (5.5) |
 Myxoid only | 1 (1.4) |
 Fibroblastic only | 23 (31.5) |
 Fibroblastic/Hyalinized | 20 (27.4) |
 Fibroblastic/Myxoid | 4 (5.5) |
 Hyalinized/Myxoid | 1 (1.4) |
 Fibroblastic/Hyalinized/Myxoid | 20 (27.4) |
Other miscellaneous characteristics | |
 Focal or patchy necrosis | 29 (39.7) |
 Targetoid bodies | 3 (4.1) |
 Psammoma bodies | 8 (11.0) |
 Mucin secretion | 8 (11.0) |
 Open tumor rings | 6 (8.2) |
 Nuclear pseudoinclusions | 6 (8.2) |