TBX19 and ACTH-producing pituitary gland adenoma: Among the corticotroph tumors (n = 10) derived from the TPit transcription factor lineage, the following were found: SGCT (sparsely granulated corticotroph tumor)—4 (40.0%); Crooke’s cell tumor—3 (30.0%), silent corticotroph adenomas—2 (20.0%); TPit positive expression but no ACTH expression, missing data—1 (10.0%).