title: Papillae formation in parathyroid adenoma. A source of possible diagnostic error.
abstract: Parathyroid adenomas, the most common cause of hyperparathyroidism, display diverse histologic patterns. The majority of adenomas form solid masses or show nodular, trabecular, and acinar patterns. In a four-year review of data on 103 surgically resected parathyroid adenomas, we encountered only a single case that showed papillae formation. We report this case to illustrate occurrence of this unusual histologic pattern that might create a diagnostic problem.
authors.affiliation: Department of Pathology, College of Medicine, University of Iowa Hospitals and Clinics, Iowa City.
authors.forename: A
authors.initials: A
authors.lastname: Sahin
authors.forename: R A
authors.initials: RA
authors.lastname: Robinson
mesh_terms: D000368:Aged; D003537:Cystadenoma / Q000175:diagnosis / Q000473:pathology*; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D010282:Parathyroid Neoplasms / Q000175:diagnosis / Q000473:pathology*