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Table 1 Histologic subtypes of hypophysitis and patient characteristics

From: Hypophysitis: Evaluation and Management

  Gender predominance Association with pregnancy Mean age of presentation
Lymphocytic Female, ~3:1 Yes 4th decade
Granulomatous Female, ~3:1 No 5th decade
Xanthomatous Female, ~3:1 No 4th decade
Plasmacytic (IgG4-related) Male, ~2:1 No 7th decade
  1. Mixed histology is observed occasionally, and necrotizing hypophysitis has been proposed as an additional category. Data abstracted from references [20, 23, 25, 27, 66]