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. 2006 Dec;59(12):1245–1253. doi: 10.1136/jcp.2005.031187

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Figure 7 Keratin patterns in somatotroph adenomas. (A) Densely granulated somatotroph and mammosomatotroph adenomas show a perinuclear pattern of keratin identified with the Cam 5.2 antibody. (B) Sparsely granulated somatotroph adenomas have a unique pattern of staining that identifies globular “fibrous bodies”.