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Table 4 Patterns of ovarian cancer tumor types in Tanzania compared with Alberta, Canada

From: Ovarian cancer: diagnostic accuracy and tumor types distribution in East Africa compared to North America

  Major categories
East Africa (n %) Mean age (±SE) Alberta (n %) Mean age (±SE)
Epithelial 127 (60.5) 52.0 (1.2) 1645 (89.9) 61.8 (0.4)
Germ cell tumor 27 (12.6) 24.2 (2.7) 58 (3.2) 31.2 (1.5)
Lymphoma 13 (6.2) 15.3 (3.7) NA NA
Sex cord stromal tumor 30 (14.3) 45.0 (2.9) 17 (0.92) 57.1 (4.1)
Sarcoma 5 (2.4) 50.3 (6.7) 5 (0.3) 62.2 (6.1)
Others 1 (0.5) 30.0 (13.4) 104 (5.7) 79.0(1.2)
Histotypes specific
Carcinoma (epithelia) N = 113 N = 1646
  HGSC 57 (50.4) 831 (50.5)
  EC 32 (28.3) 186 (11.3)
  CCC 4 (3.5) 132 (8.0)
  LGSC 2 (1.8) 15 (0.9)
  MC 10 (8.8) 120 (7.3)
  Others 8 (7.1) 362 (22.0)
Germ cell tumors N = 26 N = 58
  Dysgerminoma 5 (19.2) 17 (29.3)
  Yolk Sac Tumor 14 (53.8) 10 (17.2)
  Immature Teratoma 4 (15.4) 18 (31.0)
  Others 3 (11.6) 13 (22.4)
Sex cord stromal tumor N = 30 N = 17
  Adult granulosa Cell Tumor 24 (80.0) 12 (70.6)
  Sertoli Leydig Cell Tumor 2 (6.7) 4 (23.5)
  Juvenile Granulosa Cell Tumor 4 (13.3) 0
  Others 0 1 (5.9)