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Table 2 Endocrine diagnosis and immunohistochemical subtypes of patients (n = 36)

From: Analysis of operative efficacy for giant pituitary adenoma

Classification Number Proportion (%)
Clinical endocrine diagnosis a   
Non-functioning adenoma 26 72.2
Prolactin-secreting adenoma 7 27.8
Thyrotropin-secreting adenoma 2 5.6
Growth hormone-secreting adenoma 1 2.8
Immunohistochemical classification   
Gonadotropin-secreting adenoma 14 38.9
Null cell adenomas 12 33.3
Prolactin-secreting adenoma 6 16.7
Thyrotropin-secreting adenoma 3 8.3
Multi hormone-secreting adenoma 1 2.8
  1. Note: aClinical endocrine diagnosis was in accordance with WHO Classification, 2004[12].